Loading...
20-102338-Administrative Building Hazmat Report-02-21-2020_V1 HAZARDOUS BUILDING MATERIALS SURVEY Demolition Specific Lakehaven Administrative Building 31627 1ST Avenue South Federal Way, Washington Prepared for Mr. Erik Prestegaard Helix Design Group, Inc. 6021 12th Street East, Suite 201 Tacoma, Washington 98424 Prepared by Med-Tox Northwest Post Office Box 1446 Auburn, Washington 98071-1446 Telephone: 253-351-0677 Project No. A-8792.3 Kimberly Riche AHERA BI #173932 Exp. 07/9/2020 February 2020 Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 i Helix Design Group, Inc. Contents Acronyms ........................................................................................................................ iii Survey Summary ............................................................................................................. 1 Building Information .................................................................................................. 1 General and Structural ..................................................................................... 1 Walls/ceiling ..................................................................................................... 1 Flooring Systems:............................................................................................. 2 Asbestos Summary .......................................................................................... 2 Thermal System Insulation ............................................................................... 3 Miscellaneous Materials ................................................................................... 4 Lead-Based Paint Summary ..................................................................................... 9 Lead in Painted Surfaces ............................................................................... 10 Waste Designation Survey ............................................................................. 10 Other Hazardous Building Materials ....................................................................... 12 Chlorofluorocarbons ....................................................................................... 12 PCB Light Ballasts and Fluorescent Light Tubes ........................................... 12 PCB in Caulking and Paint ............................................................................. 13 Laboratory Analytical Methods ...................................................................................... 14 Asbestos-Containing Materials ............................................................................... 14 Lead-Based Paint ................................................................................................... 14 PCBs....................................................................................................................... 14 Comments and Recommendations ............................................................................... 15 Asbestos-Containing Materials ............................................................................... 15 Lead-Based Paint ................................................................................................... 16 PCB ........................................................................................................................ 16 Limitations ..................................................................................................................... 17 Appendix A AHERA Building Inspector and WDOC Lead Risk Assessor Certificates ................................................................................................................ A Appendix B Summary of Materials Sampled for Asbestos .............................................. B Appendix C Photographs ................................................................................................ C Appendix D Sample and Material Location Drawings...................................................... D Appendix E SAT NVLAP Certificate ................................................................................ E Appendix F Analytical Report- Asbestos ......................................................................... F Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 ii Helix Design Group, Inc. Appendix G Analytical Reports- Heavy Metals ............................................................... G Appendix H EMSL Analytical, Inc. Laboratory Certification ............................................. H Appendix I PCB Analytical Results ................................................................................... I Appendix J On Site Environmental Laboratory Certification ............................................ J Tables Table 1. Summary of Asbestos-Containing Materials. ................................................... 3 Table 2. Summary of Suspect Materials Determined Non-asbestos. ............................. 7 Table 3. Summary of Bulk Paint Chip Sample Results. ............................................... 10 Table 4. Summary of TCLP Results. ............................................................................ 11 Table 5. Summary of Fluorescent Lights. ..................................................................... 13 Table 6. Summary of PCB Sample Results. ................................................................ 13 Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 iii Helix Design Group, Inc. Acronyms AAS atomic absorption spectroscopy ACM asbestos-containing materials ACT acoustical ceiling tile AHERA Asbestos Hazard Emergency Response Act ASHARA Asbestos Schools Hazard Abatement Reauthorization Act ASTM American Society of Testing and Materials CMU cement masonry unit CFC chlorofluorocarbons CFR Code of Federal Regulation DEHP Di (2-ethylhexyl) phthalate ECD electron capture detectors EMSL EMSL Analytical, Inc. EPA U.S. Environmental Protection Agency GWB gypsum wall board GC gas chromatography HBM hazardous building materials HM homogeneous material HVAC heating, ventilation, and air conditioning LBP lead-based paint mg/cm2 milligrams per square centimeter mg/kg milligrams per kilogram MTNW Med-Tox Northwest NVLAP National Voluntary Laboratory Accreditation Program ND None detected OSHA Occupational Safety and Health Administration PCB polychlorinated biphenyl PLM polarized light microscopy ppm parts per million PSCAA Puget Sound Clean Air Agency SAT Seattle Asbestos Test SVF sheet vinyl flooring TCLP toxicity characteristic leaching procedure TSI thermal system insulation VFT vinyl floor tile WAC Washington Administration Code WDOC Washington Department of Commerce WISHA Washington Industrial Safety and Health Act XRF x-ray fluorescence % wt. percent by weight Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 1 Helix Design Group, Inc. Survey Summary On January 27, 2020, Kimberly Riche and Jason Carlson of Med-Tox Northwest (MTNW) conducted a hazardous building materials (HBM) survey of Lakehaven Administrative Building located at 31627 1st Avenue South, in Federal Way, Washington. The survey included asbestos, lead, heavy metals, and polychlorinated biphenyls (PCB). The building was occupied during the survey. There were limitations on the destructive nature of the survey investigation. This survey consisted of a visual inspection, touching of suspect materials and sample collection with analysis. No previous HBM surveys were available as part of the survey. As required by Washington Administrative Code (WAC) 296-62-077 and Puget Sound Clean Air Agency (PSCAA), building inspectors certified under the Asbestos Hazard Emergency Response Act (AHERA) and employed by MTNW conducted the asbestos portion of the survey. A copy of the inspectors’ AHERA building inspector and Washington Department of Commerce (WDOC) Lead Risk Assessor certificate are included in Appendix A. Building Information General and Structural Lakehaven Administrative Building is two-story that is approximately 3,720 square feet in size. The building is constructed slab on grade with concrete and masonry bearing walls. The building was originally constructed in 1977. The interior spaces within the building include a lobby, offices, conference rooms, bathrooms, vault, electrical room, server room, storage room and lunchroom. Heating and Mechanical: Heating is provided by forced air heating, ventilation, and air conditioning (HVAC) with duct work throughout the ceiling. The HVAC ducts for the heating system are insulated with foil, black mastic, and yellow fiberglass batt insulation. There is a hot water tank located in the electrical room. The pipes that were observed were un-insulated. Walls/ceiling The walls consist of untextured (GWB) gypsum wall board system and (CMU) cement masonry units. The ceilings consist of acoustical ceiling tile (ACT), glued on ceiling tiles, and hard lids. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 2 Helix Design Group, Inc. Flooring Systems: There are multiple flooring types observed to be affixed to the wood and concrete slab. These flooring materials include several varieties of vinyl floor tiles (VFT), sheet vinyl floorings (SVF), and carpet. Based on the results of the asbestos-containing black mastic on the lower level and with the building being constructed at the same time, all of the black mastic under the flooring is assumed to be asbestos-containing. Asbestos Summary The AHERA regulation, 40 Code of Federal Regulations (CFR) 763, is the primary governing regulation when performing asbestos surveys. This regulation was originally enacted for school buildings but has since been applied to public and commercial buildings by the Asbestos School Hazard Abatement Reauthorization Act (ASHARA) in 1994 and by the Occupational Safety and Health Administration’s (OSHA) worker protection regulations in 1995, specifically 29 CFR 1926.1101(k). PSCAA also requires compliance with AHERA’s survey and sampling requirements. This applies to any renovation or demolition activities where suspect asbestos- containing material (ACM) may be disturbed. PSCAA is a local agency that receives statutory authority from the U.S. Environmental Protection Agency (EPA) to enforce environmental regulations. AHERA divides suspect ACM into three categories; “surfacing materials” (i.e., sprayed fireproofing, popcorn ceiling texture, etc.), “thermal system insulation” (TSI) (i.e., pipe or building insulation, etc.), and “miscellaneous materials” (i.e., flooring material, roofing, construction mastics, etc.). For a complete listing of suspect materials sampled, see Appendix B. Sampling and material locations are indicated on the drawing in Appendix D. Table 1 below lists asbestos-containing materials identified as part of this survey. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 3 Helix Design Group, Inc. Table 1. Summary of Asbestos-Containing Materials. Material Location Friable Quantity Asbestos-containing white caulk (HM 19) Between glass windows and metal frames No 700 LF Asbestos-containing black mastic (HM 29) Flooring throughout the building No 6,840 SF Asbestos-containing untextured joint compound (HM 43) Exterior roof and window soffit No 1,150 SF Asbestos-containing built up roofing (HM 46) Roof No 3,720 SF Asbestos-containing built up roofing (HM 47) Parapet No 240 SF Asbestos-containing black tar (HM 48) Roof patch No 1 SF Asbestos-containing residual black paper (HM 49) On roof parapet No 10 SF LF= linear feet, SF = square feet, HM = homogenous material *Quantity is approximate and what was visually observed. Note: This table is not to be used without the complete survey document including appendices for additional information. Thermal System Insulation There were four TSI materials as defined by 40 CFR 763.86 that may be potentially impacted by the project.  Pink fiberglass batt insulation, paper, and yellow mastic (HM-01). This material was observed above the ACT on the ceilings throughout the building. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  Yellow fiberglass batt insulation, paper, and yellow mastic (HM-02). This material was observed above the ACT on the ceilings of the upper level. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  Foil, black mastic, and yellow fiberglass batt insulation (HM-03). This material was observed on the HVAC duct work throughout the building. Three samples were collected and analyzed for asbestos content; no asbestos was detected. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 4 Helix Design Group, Inc.  Duct tape with fibrous material (HM-04). This material was observed on the HVAC duct work throughout the building. Three samples were collected and analyzed for asbestos content; no asbestos was detected. Miscellaneous Materials  2-x 4-foot white ACT with fissure pattern (HM-05). This material was observed throughout the upper level. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  2-x 4-foot off-white/white ACT with fissure pattern (HM-06). This material was observed throughout the upper level. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  2-x 4-foot white ACT with large fissure pattern (HM-07). This material was observed throughout the building. Four samples were collected and analyzed for asbestos content; no asbestos was detected.  2-x 4-foot white ACT with pin hole pattern (HM-08). This material was observed throughout the lower level. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch ceiling tile, white fissure pattern with brown mastic (HM-09). This material was observed in the upper level vault. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch ceiling tile white fissure pattern with tan mastic (HM-10). This material was observed in the lower level server room. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  Concrete-leveling material (HM-11). This material was observed above the ACT in the upper level around the perimeter of the vault wall. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  CMU and grout (HM-12). This material was observed on the vault and the server room. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  Untextured GWB wall system (HM-13). This material was observed throughout the building. Five samples were collected and analyzed for asbestos content; no asbestos was detected.  4-inch black cove base and tan mastic (HM-14). This material was observed on the base of various walls throughout the building. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  4-inch gray cove base and tan mastic (HM-15). This material was observed on the base of various walls throughout the building. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  4-inch black cove base, tan mastic, and brown mastic (HM-16). This material was observed outside of the server room and in the electrical room. Three Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 5 Helix Design Group, Inc. samples were collected and analyzed for asbestos content; no asbestos was detected.  White sealant (HM-17). This material was observed around the fixtures in the bathrooms. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  White sealant (HM-18). This material was observed on the seams of the lower level server room door. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  White caulk (HM-19). This material was observed on the windows of the building. Three samples were collected and analyzed for asbestos content; this material was determined to contain 3% Chrysotile asbestos.  Black under sink coating (HM-20). This material was observed on the upper level kitchen sink. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Gray under sink coating (HM-21). This material was observed on the lower level lunchroom kitchen sink. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Red fire stop (HM-22). This material was observed on the pipe penetrations in the lower level server room. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  Black and gray with tan mastic and wood (HM-23). This material was observed on the upper level entrance. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Carpet squares, 12-x 12-inch blue floor tile and black mastic (HM-24). This material was observed in the upper level conference room. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch light gray floor tile with dark gray and black mastic (HM-25). This material was observed in the upper level vault. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch light gray floor tile with multiple floor tile and black mastic (HM-26). This material was observed in the upper level kitchen. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Green carpet, yellow/brown floor tile, and black mastic (HM-27). This material was observed on the upper level in offices 1 and 5 and lower level office. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  Multicolored carpet, yellow/brown floor tile and black mastic (HM-28). This material was observed on the upper level. Two samples were collected and analyzed for asbestos content; no asbestos was detected. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 6 Helix Design Group, Inc.  Multicolored carpet, tan floor tile and black mastic (HM-29). This material was observed on the lower level. Two samples were collected and analyzed for asbestos content; the black mastic was determined to contain 3% Chrysotile asbestos.  12-x 12-inch light gray floor tile, paper, with black specks and black mastic (HM- 30). This material was observed in the lower level electrical room. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  Beige and light brown SVF, yellow mastic, and black mastic (HM-31). This material was observed in the lower level lunchroom. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch light beige floor tile and black mastic (HM-32). This material was observed in the lower level server room. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-x 12-inch off-white floor tile and black mastic (HM-33). This material was observed in the lower level coffee area. One sample was collected and analyzed for asbestos content; no asbestos was detected.  4-ceramic tile, grout, and mastic (HM-34). This material was observed on the bathroom walls. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  6-inch ceramic tile, grout, and mastic (HM-35). This material was observed on the bathroom walls. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-inch beige ceramic floor tile and grout (HM-36). This material was observed in the bathrooms. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  12-inch off-white ceramic floor tile and grout (HM-37). This material was observed in the upper level lobby. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Black vibration damper (HM-38). This material was observed in the lower level electrical room on the HVAC duct work. One sample was collected and analyzed for asbestos content; no asbestos was detected.  Exterior coating with multiple layers (HM-39). This material was observed on the exterior balcony/landing and stairs. Three samples were collected and analyzed for asbestos content; no asbestos was detected.  Brown and tan sealant (HM-40). This material was observed on the exterior balcony/landing on the perimeter seam of the building. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  White sealant (HM-41). This material was observed on the exterior door frames. Two samples were collected and analyzed for asbestos content; no asbestos was detected. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 7 Helix Design Group, Inc.  Brown sealant (HM-42). This material was observed on the exterior window frames. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  Untextured joint compound with GWB system (HM-43). This material was observed on the exterior roof and window soffit. Three samples were collected and analyzed for asbestos content; the joint compound was determined to contain 2% Chrysotile asbestos.  Aggregate (HM-44). This material was observed on the exterior of the building. Four samples were collected and analyzed for asbestos content; no asbestos was detected.  3-tab roofing with vapor barrier (HM-45). This material was observed on the exterior overhang of the building. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  Built up roofing with vapor barrier (HM-46). This material was observed on the roof. Two samples were collected and analyzed for asbestos content; this material was determined to contain 20% to 21% Chrysotile asbestos.  Built up roofing with vapor barrier (HM-47). This material was observed on the roof parapet. Two samples were collected and analyzed for asbestos content; this material was determined to contain 25% Chrysotile asbestos.  Black tar (HM-48). This material was observed on the roof. Two samples were collected and analyzed for asbestos content; this material was determined to contain 3% Chrysotile asbestos.  Residual black paper (HM-49). This material was observed on the roof flashing of the building. Two samples were collected and analyzed for asbestos content; this material was determined to contain 3% to 4% Chrysotile asbestos.  Black sealant (HM-50). This material was observed on the roof electrical fan. Two samples were collected and analyzed for asbestos content; no asbestos was detected.  White sealant (HM-51). This material was observed on the roof flashing screws. Two samples were collected and analyzed for asbestos content; no asbestos was detected. Table 2 below lists all suspect materials that have been determined non-asbestos. Table 2. Summary of Suspect Materials Determined Non-asbestos. Material Location Pink fiberglass batt insulation, paper, black mastic Above ACT Yellow fiberglass batt insulation paper and mastic Above ACT Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 8 Helix Design Group, Inc. Material Location Foil, black mastic, and yellow fiberglass insulation Above ACT on HVAC duct work Duct tape with fibrous material Above ACT on HVAC duct work 2-x 4-foot white ACT with fissure pattern Upper level 2-x 4-foot off-white/white ACT with fissure pattern Upper level 2-x 4-foot white ACT with large fissure pattern Upper and lower level 2-x 4-foot white ACT with pin hole pattern Lower level 12-x 12-inch white fissure pattern with brown mastic Vault 12-x 12-inch white fissure pattern with tan mastic Server room Concrete-leveling Above ACT around vault perimeter wall CMU and grout Vault and server room Untextured GWB system Walls throughout 4-inch black cove base with tan mastic Upper level 4-inch gray cove base with tan mastic Throughout building 4-inch black cove base with tan and brown mastic Lower level 4-inch gray cove base with tan and brown mastic Electrical room White sealant Around bathroom fixtures White sealant Server room door Black under sink coating Upper level kitchen Gray under sink coating Lower level lunchroom Red firestop Lower level electrical room pipe penetrations Black and gray carpet with tan mastic and wood Upper level entrance Carpet squares, 12-x 12-inch blue floor tile and black mastic Upper level conference room 12-x 12-inch light gray floor tile with dark gray and black mastic Upper level vault 12-x 12-inch light gray floor tile with multiple floor tile and black mastic Upper level kitchen Green carpet, yellow/brown floor tile, and black mastic Offices throughout building Multicolored carpet, yellow/brown floor tile and black mastic Upper level 12-x 12-inch light gray floor tile, paper, with black specks and black mastic Electrical room Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 9 Helix Design Group, Inc. Material Location Beige and light brown SVF, yellow mastic, and black mastic Lunchroom 12-x 12-inch light beige floor tile and black mastic Server room 12-x 12-inch off-white floor tile and black mastic Coffee area 4-ceramic tile, grout, and mastic Bathrooms 6-inch ceramic tile, grout, and mastic Bathrooms 12-inch beige ceramic floor tile and grout Bathrooms 12-inch off-white ceramic floor tile and grout Upper level lobby Black vibration damper Electrical room HVAC duct work Exterior coating with multiple layers Exterior balcony/landing Brown and tan sealant Exterior balcony/landing White sealant Exterior door frames Brown sealant Exterior window frames Aggerate Exterior of building 3-tab roofing with vapor barrier Exterior of building overhang Black sealant Electrical fan on roof White sealant Roof flashing screws CMU = cement masonry unit, GWB = gypsum wallboard, VFT = vinyl floor time, SVF = sheet vinyl flooring, HVAC = heating, ventilation, and air conditioning. Note: This table is not to be used without the complete survey document including appendices for additional information. Lead-Based Paint Summary Lead was commonly used in most paint products until 1978, when it was banned from residential paints at concentrations greater than 600 parts per million (ppm); however, commercial applications with lead are still utilized and available. Lead is poisonous to the human body and presents a potential health hazard during any kind of disturbance (such as maintenance, including grinding, welding, and cutting) and if improperly disposed, where lead can enter drinking water supplies. EPA defines lead-based paint (LBP) as a concentration of 1.0 milligrams per centimeter squared (mg/cm2) or greater by x-ray fluorescence (XRF) or 0.5 percent by weight (% wt.) or greater by total lead analysis; equivalent to 5,000 milligrams per kilogram (mg/kg). This EPA action level triggers requirements for protection of the environment, maintenance workers, and building occupants in child occupied facilities as defined by 40 CFR 745. Additionally, building components exceeding EPA lead levels may cause demolition waste streams to fail waste designation sampling performed for compliance with WAC 173-303 Dangerous Waste Regulations. Washington Industrial Safety and Health Act (WISHA) worker protection regulations have not defined a minimum concentration for regulating lead and has clarified that lead at any detectable concentration shall be considered regulated by WAC 296-155-176, Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 10 Helix Design Group, Inc. Lead. Paint sample results can be expressed in mg/kg (same as ppm), % wt. or mg/cm2 by area depending on the type of analytical method used. Any positive result, regardless of the reporting method by the laboratory, will require compliance with WAC 296-155-176. Lead in Painted Surfaces Interior and exterior painted surfaces were collected and analyzed for LBP using bulk sample collection and chemical analysis. A total of eight paint chip samples were collected. Analytical results are provided in Table 3. Table 3. Summary of Bulk Paint Chip Sample Results. Sample Number Location Component Substrate Color Result (% wt.) 8792.3-31627-01PB Upper level entrance Wall GWB Light purple 0.010 8792.3-31627-02PB Upper level office 5 Wall GWB Tan 0.014 8792.3-31627-03PB Upper level kitchen Wall GWB White <0.0080 8792.3-31627-04PB Upper level women’s bathroom Wall GWB Yellow <0.0080 8792.3-31627-05PB Upper level copy room Wall GWB Light green <0.0080 8792.3-31627-06PB Lower level server room Wall CMU White 0.012 8792.3-31627-07PB Exterior Wall Concrete White <0.0080 8792.3-31627-08PB Exterior Wall GWB Brown <0.0080 CMU = cement masonry unit, GWB = gypsum wallboard, % wt. = percent by weight. Bolded values – bulk paint chip samples with lead detected above the laboratory reporting limit have been bolded. The Washington Industrial Safety and Health Administration (WISHA) worker protection regulation have stated that lead at any detectable concentration shall be considered regulated WAC 296-155-176, Lead. Waste Designation Survey Waste designation sampling has been performed for the building demolition, including Toxicity Characterization Leaching Procedure (TCLP) analytical sampling of affected building components. The TCLP procedure is used to simulate the transfer of lead from lead-containing waste into the ground water system upon co-disposal of the lead- containing waste and municipal solid waste in unlined solid waste landfills. The TCLP attempts to simulate rain or ground water leaching, or both, of lead from the buried Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 11 Helix Design Group, Inc. waste. In order for the procedure to yield an accurate predictor of the subsurface (in- ground) leaching process, a representative sample of the volume of the waste must be selected and submitted for leaching and analysis. The result of the sampling, leaching, and analysis process is used to determine the waste handling and disposal protocols to be followed and to document compliance with applicable laws, regulations, and requirements. WAC 173-303 Dangerous Waste Regulations defines hazardous waste as it relates to lead by toxicity as 5.0 milligrams per Liter (mg/L) by TCLP. A visual inspection of the survey area was conducted to separate the major components of the structures to be demolished into the following categories: • Recyclables. It is anticipated that many of the metal items (i.e., metal piping, tanks, door frames, doors, handrails, flashing, aluminum window frames, etc.) and un-painted clean concrete materials in the survey area will be recycled or reused. These items were not tested for waste pre- designation. Additionally, glass is recyclable and not included in the waste designation survey. • Potential Wastes. Items that are not likely to be recycled were sampled and tested for waste pre-designation. Samples of other building finish materials likely to be landfill disposed were collected, composited and submitted for TCLP testing. • Assumed hazardous waste. None. The sample tested for waste designation did not include metal, glass or concrete. One composited sample was collected from the site and tested by TCLP analysis for Resource Conservation and Recovery Act (RCRA) metals – Arsenic, Barium, Cadmium, Chromium, Lead, Selenium, Silver and Mercury. The result for the sample is presented in Table 4: Table 4. Summary of TCLP Results. Sample Location and Composition Result (mg/L) 8792.3-31627-1TCLP All building materials As-<0.20 Ba-<1.0 Cd-<0.20 Cr-<0.20 Pb-<0.20 Se-<0.20 Ag-<0.20 Hg-<0.002 Arsenic = As, Barium = Ba, Cadmium = Cd, Chromium = Cr, Lead = Pb, Selenium = Se, Silver = Ag and Mercury = Hg, mg/L = milligrams per liter. Note: Do not use this table without the complete survey document. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 12 Helix Design Group, Inc. The TCLP sample collected from the Lakehaven Administrative Building was determined to have leachable heavy metals less than the regulated levels for the RCRA 8 metals. Demolition waste from this structure can be disposed of as general construction debris. WAC 173-303 Dangerous Waste Regulations defines hazardous waste as it relates to heavy metal by toxicity. The following identifies the regulatory limits for the tested heavy metals. Maximum Concentration of Contaminants for the Toxicity Characteristic Contaminant mg/L Arsenic 5.0 Barium 100.0 Cadmium 1.0 Chromium 5.0 Lead 5.0 Selenium 1.0 Silver 5.0 Mercury 0.2 Other Hazardous Building Materials Chlorofluorocarbons MTNW inspected the building for cooling systems with potential chlorofluorocarbons (CFCs); there is an air condition unit on the exterior east side of the building. PCB Light Ballasts and Fluorescent Light Tubes Older fluorescent light ballasts have small capacitors that may contain high concentrations of PCBs. Nearly all ballasts manufactured before 1979 contain PCBs. All ballasts manufactured after July 1, 1978 that do not contain PCBs are required to be clearly marked "No PCBs". Unmarked ballasts or ballasts without a date code should be assumed to be PCB ballasts. PCBs are toxic chemicals according to the EPA. While there is only a small amount, about one ounce, of PCBs in each light ballast capacitor, there are a large number of ballasts in the United States. A "No PCB" label means there are less than 50 ppm PCBs however, in the state of Washington PCB in oils are regulated at 2 ppm (WAC 173-303-9904). Ballasts manufactured after 1978/79 may contain a PCB replacement called Di (2-ethylhexyl) phthalate (DEHP), a probable human carcinogen. DEHP, a clear, odorless, synthetic compound, is often used as a plasticizer. By 1985, most manufacturers had stopped using DEHP in ballasts for 4-foot fixtures but continued to use it for most 8-foot and high intensity discharge fixtures until 1991. In any case, ballasts should not be disassembled for disposal but collected and Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 13 Helix Design Group, Inc. sent to a treatment, storage or disposal facility certified by the state/EPA for disposal of PCBs and/or DEHP. There were fluorescent light fixtures observed. Table 5 provides a summary of these items in the building: Table 5. Summary of Fluorescent Lights. Location 2-foot, 2-bulb 4-foot, 2-bulb 4-foot, 3-bulb 8-foot, 4-bulb Exit signs Interior 2 9 84 0 3 Total 2 9 84 0 3 Note: This table is not to be used without the complete survey document including appendices for additional information. Typically, there is one ballast for every two-light tubes in a fluorescent light fixture; accordingly, there are 263 ballasts in the light fixtures requiring recycling or PCB hazardous waste disposal. There are also 274 light tubes and 3 exit signs that will need to be recycled during demolition. PCB in Caulking and Paint PCBs were used in paint and caulk formulations as drying oils (resins) and plasticizers or softening agents (liquids). Wood, concrete, gypsum wallboard and metal may have painted surfaces containing PCBs. PCBs were tested in representative paints and caulking from the interior and exterior of the building. Table 6 below provides a summary of PCB sample results. Table 6. Summary of PCB Sample Results. Sample Number Location Material Result (mg/kg*) 8792.3-31627-01PCB Interior windows White caulk ND 8792.3-31627-02PCB Exterior landing along perimeter of building Brown and tan sealant ND 8792.3-31627-03PCB On roof flashing screws White sealant ND 8792.3-31627-04PCB Interior walls White paint on CMU ND 8792.3-31627-05PCB Exterior walls Off-white paint on concrete aggregate ND mg/kg= milligrams per kilogram, ND= none detected. Mercury Containing Switches Heating system thermostats were investigated for mercury containing systems. There were no mercury-containing thermostats observed in the building. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 14 Helix Design Group, Inc. Laboratory Analytical Methods Asbestos-Containing Materials Bulk samples were analyzed by Polarized Light Microscopy (PLM) dispersion staining EPA Method 600/R-93/116 by Seattle Asbestos Test (SAT). SAT is accredited through the National Voluntary Laboratory Accreditation Program (NVLAP) of the U. S. Department of Commerce. This accreditation does not constitute endorsement, but rather a finding of laboratory competence. The NVLAP participant number is 200768-0 (certification in Appendix E). Copies of the laboratory analytical reports are provided in Appendix F. Lead-Based Paint Bulk paint chip samples were submitted to EMSL Analytical, Inc. (EMSL) for analysis using atomic absorption spectroscopy (AAS) to determine the presence and percentage of lead. Procedures for analyzing metals are found in the American Society of Testing and Materials (ASTM) D-3335-78 and EPA Method Manual SW-846, Method 6010. EMSL used SW 846-7000B, an equivalent analytical method. Analytical results for paint chips are provided in Appendix G. EMSL’s laboratory certification is attached in Appendix H. PCBs Bulk PCB samples were submitted to On-Site Environmental, Inc., for analysis using gas chromatography (GC) equipped with electron capture detectors (ECD). Samples were analyzed using EPA Method SW-846 8082A. Analytical results are provided in Appendix H. On-Site Environmental, Inc. laboratory certification is attached in Appendix I. Sample location drawings are provided in Appendix D. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 15 Helix Design Group, Inc. Comments and Recommendations Asbestos-Containing Materials MTNW recommends, and state law requires, that all asbestos materials identified in Table 1 that will be impacted be removed prior to renovation or demolition activities. Med-Tox Northwest recommends that this survey report be placed on-site during renovation and/or selective demolition and copies provided to the contractor(s) bidding and performing work. WISHA, OSHA and PSCAA require that the report be on-site and available for review during the entire project duration. Lakehaven Administrative Building was occupied at the time of the survey and destructive investigation was not conducted at the request of the client. Additional destructive investigation will be required prior to demolition. 1. Electrical systems were not sampled due to power being live. Prior to any activity that will impact the electrical system, sample and verify that asbestos is not present in wiring. 2. All pipes observed were bare of insulation, so it is not anticipated that hidden pipes will be insulated. During the course of demolition, if pipe or pipe fitting insulation suspected of containing ACM is made visible, the material must be sampled by an AHERA building inspector prior to being disturbed. 3. The building doors, door frames and the vault door were not sampled due to voiding the fire rating. Prior to any activity that will impact the doors, sample the doors and door frames to determine if suspect fire protection is located inside. 4. The CMU walls will have to be drilled to verify that there no vermiculite prior to demolition. 5. Destructive investigation on the exterior will have to be conducted before its impacted. During the survey, only superficial sampling was done due to destructive nature of an occupied building. 6. 12-x12-inch purple and green floor tile in the upper kitchen area and the lower level coffee area will have to be sampled prior to renovation or demolition. Sampling was not conducted due to destructive nature. Med-Tox Northwest recommends requesting unit pricing from abatement contractors during the bidding process to adjust pricing depending on actual quantities verified in the field. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 16 Helix Design Group, Inc. Lead-Based Paint For lead, any percentage of lead in the material should be an assumed risk to human health. All painted surfaces should be assumed to contain at least trace levels of lead in paint, therefore requiring compliance with WAC 296-155-176 during any disturbance of painted surfaces. The WISHA criteria are used to determine if materials are hazardous during a demolition. There were eight bulk samples collected for lead analysis. Three of the samples analyzed were determined greater than the detection limit for lead. The TCLP sample collected from the Lakehaven Administrative Building was determined to have leachable heavy metals less than the regulated levels for the RCRA 8 metals. Demolition waste from this structure can be disposed of as general construction debris. PCB During demolition, the asbestos abatement contractor should be tasked with dismantling light fixtures, checking for PCB-free labels, and recycling the light tubes. Ballasts without PCB-free labels are considered PCB-containing and must be disposed as a hazardous waste; all other light ballasts can be recycled. Additionally, light tubes can be recycled as a universal waste for minimal cost. Other Hazardous Building Materials Fluorescent light tubes contain mercury and can be recycled as a universal waste for minimal cost. Lighted exit signs with emergency lights should be collected and recycled/disposed of appropriately. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 17 Helix Design Group, Inc. Limitations A good faith effort has been made to identify ACM, LBP, and other HBM in preparation for the renovation or building demolition at the Lakehaven Administrative Building. The building was occupied during the survey, additional destructive investigation and sampling may be required depending on inaccessible building systems. Sampling was performed consistent with the level of care and skill ordinarily exercised by professionals currently practicing under similar conditions in the area. No other warranty, expressed or implied, is made. This report has been prepared for the exclusive use of Helix Design Group, Inc. and its’ designates for this project only. The analyses, conclusions, and recommendations presented in this report are based on conditions encountered at the time of our study and our experience and judgment. MTNW cannot be held responsible for interpretation by others of the data contained in this report; any use of this report shall include the entire document. This survey is not intended for use as abatement plans and/or specifications which MTNW recommends for regulatory compliance. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 A Helix Design Group, Inc. Appendix A AHERA B uilding Inspector and WDOC Lead Risk Assessor Certificates Kimberly D. Riche AHERA Building Inspector This is to certify that 4 hours of refresher training as an 173932 Certificate Number Instructor Jul 9, 2019 Date(s) of Training Expires in 1 year. to comply with the training requirements of has satisfactorily completed TSCA Title II, 40 CFR 763 (AHERA) EPA Provider # 1085 N/AExam Score: (if applicable) Jason Carlson AHERA Building Inspector This is to certify that 4 hours of refresher training as an 174627 Certificate Number Instructor Sep 10, 2019 Date(s) of Training Expires in 1 year. to comply with the training requirements of has satisfactorily completed TSCA Title II, 40 CFR 763 (AHERA) EPA Provider # 1085 N/AExam Score: (if applicable) STATE OF WASHINGTON Department of Commerce Lead-Based Paint Abatement Program Has fulfilled the certification requirements of WAC 365-230 and has been certified to conduct lead-based paint activities as a Risk Assessor Certification  #Issuance Date Expiration Date 6702 07/09/2019 07/09/2022 Kimberly D Riche Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B Helix Design Group, Inc. Appendix B Summary of Materials Sampled for Asbestos Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-1 Helix Design Group, Inc. C-1. Summary of Materials Sampled for Asbestos Sample Material Location AHERA Type HM Result 8792.3-31627-01 Pink fiberglass batt insulation, paper, black mastic Upper level above ACT in lobby TSI 01 ND 8792.3-31627-02 Pink fiberglass batt insulation, paper, black mastic Lower level above ACT in bathroom TSI 01 ND 8792.3-31627-03 Pink fiberglass batt insulation, paper, black mastic Lower level above ACT in bathroom TSI 01 ND 8792.3-31627-04 Yellow fiberglass batt insulation paper and mastic Upper level above ACT in lobby TSI 02 ND 8792.3-31627-05 Yellow fiberglass batt insulation paper and mastic Upper level above ACT outside of vault TSI 02 ND 8792.3-31627-06 Yellow fiberglass batt insulation paper and mastic Upper level above ACT in east hallway TSI 02 ND 8792.3-31627-07 Foil, black mastic, and yellow fiberglass insulation Upper level above ACT in lobby on HVAC TSI 03 ND 8792.3-31627-08 Foil, black mastic, and yellow fiberglass insulation Upper level above ACT outside of vault on HVAC TSI 03 ND 8792.3-31627-09 Foil, black mastic, and yellow fiberglass insulation Lower level above ACT in bathroom TSI 03 ND 8792.3-31627-010 Duct tape with fibrous material Upper level above ACT outside of vault on HVAC seam TSI 04 ND 8792.3-31627-011 Duct tape with fibrous material Upper level above ACT in the lobby area HVAC seam TSI 04 ND 8792.3-31627-012 Duct tape with fibrous material Upper level above ACT east hallway on HVAC seam TSI 04 ND 8792.3-31627-013 2-x 4-foot white ACT with fissure pattern Upper level lobby ceiling Misc. 05 ND 8792.3-31627-014 2-x 4-foot white ACT with fissure pattern Upper level copy room ceiling Misc. 05 ND Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-2 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-015 2-x 4-foot off-white white ACT with fissure pattern Upper level copy room ceiling Misc. 06 ND 8792.3-31627-016 2-x 4-foot off-white white ACT with fissure pattern Upper level kitchen ceiling Misc. 06 ND 8792.3-31627-017 2-x 4-foot white ACT with large fissure pattern Upper level hallway ceiling Misc. 07 ND 8792.3-31627-018 2-x 4-foot white ACT with large fissure pattern Upper level copy room ceiling Misc. 07 ND 8792.3-31627-019 2-x 4-foot white ACT with large fissure pattern Lower level bathroom ceiling Misc. 07 ND 8792.3-31627-020 2-x 4-foot white ACT with large fissure pattern Lower level open office area Misc. 07 ND 8792.3-31627-021 2-x 4-foot white ACT with pin hole pattern Lower level open office area Misc. 08 ND 8792.3-31627-022 2-x 4-foot white ACT with pin hole pattern Lower level open office area Misc. 08 ND 8792.3-31627-023 12-x 12-inch white fissure pattern with brown mastic Upper level ceiling in vault Misc. 09 ND 8792.3-31627-024 12-x 12-inch white fissure pattern with brown mastic Upper level ceiling in vault Misc. 09 ND 8792.3-31627-025 12-x 12-inch white fissure pattern with tan mastic Lower level ceiling in server room Misc. 10 ND 8792.3-31627-026 12-x 12-inch white fissure pattern with tan mastic Lower level ceiling in server room Misc. 10 ND 8792.3-31627-027 Concrete-leveling Upper level above ACT outside of vault Misc. 11 ND 8792.3-31627-028 Concrete-leveling Upper level above ACT outside of vault Misc. 11 ND 8792.3-31627-029 CMU and grout Upper level on vault wall Misc. 12 ND 8792.3-31627-030 CMU and grout Upper level on vault wall Misc. 12 ND 8792.3-31627-031 CMU and grout Lower level on electrical room Misc. 12 ND Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-3 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-032 Untextured GWB system Upper level entrance hallway Misc. 13 ND 8792.3-31627-033 Untextured GWB system Upper level office 6 Misc. 13 ND 8792.3-31627-034 Untextured GWB system Upper level woman’s bathroom Misc. 13 ND 8792.3-31627-035 Untextured GWB system Lower level woman’s bathroom Misc. 13 ND 8792.3-31627-036 Untextured GWB system Lower level electrical room Misc. 13 ND 8792.3-31627-037 4-inch black cove base with tan mastic Upper level base of wall in lobby Misc. 14 ND 8792.3-31627-038 4-inch black cove base with tan mastic Upper level base of wall in office 6 Misc. 14 ND 8792.3-31627-039 4-inch black cove base with tan mastic Lower level base of wall in kitchen Misc. 14 ND 8792.3-31627-040 4-inch gray cove base with tan mastic Upper level base of wall in conference room Misc. 15 ND 8792.3-31627-041 4-inch gray cove base with tan mastic Lower level in server room Misc. 15 ND 8792.3-31627-042 4-inch black cove base with tan and brown mastic Lower level in electrical room Misc. 16 ND 8792.3-31627-043 4-inch black cove base with tan and brown mastic Lower level outside of server room Misc. 16 ND 8792.3-31627-044 4-inch gray cove base with tan and brown mastic Lower level base of walls in electrical room Misc. 16 ND 8792.3-31627-045 White sealant Upper level woman’s bathroom Misc. 17 ND 8792.3-31627-046 White sealant Lower level woman’s bathroom Misc. 17 ND 8792.3-31627-047 White sealant Lower level server room door frame Misc. 18 ND 8792.3-31627-048 White sealant Lower level server room door frame Misc. 18 ND 8792.3-31627-049 White caulking Upper level conference room window frame Misc. 19 3% CHR 8792.3-31627-050 White caulking Upper level lobby window frame Misc. 19 3% CHR 8792.3-31627-051 White caulking Lower level office room window frame Misc. 19 3% CHR Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-4 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-052 Black under sink coating Upper level kitchen sink Misc. 20 ND 8792.3-31627-053 Gray under sink coating Lower level lunchroom sink Misc. 21 ND 8792.3-31627-054 Red firestop Lower level server room Misc. 22 ND 8792.3-31627-055 Red firestop Lower level server room Misc. 22 ND 8792.3-31627-056 Black and gray carpet with tan mastic and wood Upper level entrance Misc. 23 ND 8792.3-31627-057 Carpet squares, 12-x 12-inch blue floor tile and black mastic Upper level conference room floor Misc. 24 ND 8792.3-31627-058 Carpet squares, 12-x 12-inch blue floor tile and black mastic Upper level conference room floor Misc. 24 ND 8792.3-31627-059 12-x 12-inch light gray floor tile with dark gray and black mastic Upper level vault flooring Misc. 25 ND 8792.3-31627-060 12-x 12-inch light gray floor tile with dark gray and black mastic Upper level vault flooring Misc. 25 ND 8792.3-31627-061 12-x 12-inch light gray floor tile with multiple floor tile and black mastic Upper level kitchen floor Misc. 26 ND 8792.3-31627-062 Green carpet, yellow/brown floor tile, and black mastic Upper level flooring in office 1 Misc. 27 ND 8792.3-31627-063 Green carpet, yellow/brown floor tile, and black mastic Upper level flooring in office 5 Misc. 27 ND 8792.3-31627-064 Green carpet, yellow/brown floor tile, and black mastic Lower level flooring in office 1 Misc. 27 ND 8792.3-31627-065 Multicolored carpet, yellow/brown floor tile and black mastic Upper level flooring in office 2 Misc. 28 ND 8792.3-31627-066 Multicolored carpet, yellow/brown floor tile and black mastic Upper level flooring in hallway outside of women’s bathroom Misc. 28 ND Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-5 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-067 Multicolored carpet, tan floor tile and black mastic Lower level outside of server room Misc. 29 Layer 1: ND Layer 2: ND Layer 3: ND Layer 4: 3% CHR 8792.3-31627-068 Multicolored carpet, tan floor tile and black mastic Lower level flooring in front of south exit Misc. 29 Layer 1: ND Layer 2: ND Layer 3: ND Layer 4: 3% CHR 8792.3-31627-069 12-x 12-inch light gray floor tile, paper, with black specks and black mastic Lower level electrical room Misc. 30 ND 8792.3-31627-070 12-x 12-inch light gray floor tile, paper, with black specks and black mastic Lower level electrical room Misc. 30 ND 8792.3-31627-071 Beige and light brown SVF, yellow mastic, and black mastic Lower level lunchroom floor Misc. 31 ND 8792.3-31627-072 Beige and light brown SVF, yellow mastic, and black mastic Lower level lunchroom floor Misc. 31 ND 8792.3-31627-073 12-x 12-inch light beige floor tile and black mastic Lower level server floor Misc. 32 ND 8792.3-31627-074 12-x 12-inch light beige floor tile and black mastic Lower level server floor Misc. 32 ND 8792.3-31627-075 12-x 12-inch off- white floor tile and black mastic Lower level coffee area floor Misc. 33 ND 8792.3-31627-076 4-ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 34 ND 8792.3-31627-077 4-ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 34 ND 8792.3-31627-078 4-ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 34 ND 8792.3-31627-079 6-inch ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 35 ND 8792.3-31627-080 6-inch ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 35 ND Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-6 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-081 6-inch ceramic tile, grout, and mastic Walls throughout bathrooms Misc. 35 ND 8792.3-31627-082 12-inch beige ceramic floor tile and grout Floors in bathrooms throughout Misc. 36 ND 8792.3-31627-083 12-inch beige ceramic floor tile and grout Floors in bathrooms throughout Misc. 36 ND 8792.3-31627-084 12-inch off-white ceramic floor tile and grout Upper level lobby flooring Misc. 37 ND 8792.3-31627-085 Black vibration damper Lower level on HVAC duct work in electrical room Misc. 38 ND 8792.3-31627-086 Exterior coating with multiple layers Exterior landing on stairwell Misc. 39 ND 8792.3-31627-087 Exterior coating with multiple layers Exterior landing on stairwell Misc. 39 ND 8792.3-31627-088 Exterior coating with multiple layers Exterior landing on stairwell Misc. 39 ND 8792.3-31627-089 Brown and tan sealant Exterior landing along perimeter of building Misc. 40 ND 8792.3-31627-090 Brown and tan sealant Exterior landing along perimeter of building Misc. 40 ND 8792.3-31627-091 White sealant Exterior door frames Mics. 41 ND 8792.3-31627-092 White sealant Exterior door frames Mics. 41 ND 8792.3-31627-093 Brown sealant Exterior window frames Misc. 42 ND 8792.3-31627-094 Brown sealant Exterior window frames Misc. 42 ND 8792.3-31627-095 Untextured joint compound with GWB system Exterior soffit Misc. 43 2% CHR 8792.3-31627-096 Untextured joint compound with GWB system Exterior soffit Misc. 43 Layer 1: 2% CHR Layer 2: ND 8792.3-31627-097 Untextured joint compound with GWB system Exterior soffit Misc. 43 ND 8792.3-31627-098 Aggerate Exterior of building Misc. 44 ND 8792.3-31627-099 Aggerate Exterior of building Misc. 44 ND 8792.3-31627-100 Aggerate Exterior of building Misc. 44 ND 8792.3-31627-101 Aggerate Exterior of building Misc. 44 ND 8792.3-31627-102 3-tab roofing with vapor barrier Exterior of building overhang Misc. 45 ND Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C-7 Helix Design Group, Inc. Sample Material Location AHERA Type HM Result 8792.3-31627-103 3-tab roofing with vapor barrier Exterior of building overhang Misc. 45 ND 8792.3-31627-104 Built up roofing with vapor barrier Roof Misc. 46 Layer 1: ND Layer 2: ND Layer 3: ND Layer 4: ND Layer 5: ND Layer 6: ND Layer 7: 20% CHR Layer 8: ND Layer 9: ND 8792.3-31627-105 Built up roofing with vapor barrier Roof Misc. 46 Layer 1: ND Layer 2: ND Layer 3: ND Layer 4: ND Layer 5: ND Layer 6: ND Layer 7: 21% CHR Layer 8: ND Layer 9: ND 8792.3-31627-106 Built up roofing with vapor barrier Parapet Misc. 47 Layer 1: ND Layer 2: ND Layer 3: 25% CHR Layer 4: ND 8792.3-31627-107 Built up roofing with vapor barrier Parapet Misc. 47 Layer 1: ND Layer 2: ND Layer 3: 25% CHR Layer 4: ND 8792.3-31627-108 Black tar Roof patch Misc. 48 3% CHR 8792.3-31627-109 Black tar Roof patch Misc. 48 3% CHR 8792.3-31627-110 Residual black paper On roof flashing Misc. 49 4% CHR 8792.3-31627-111 Residual black paper On roof flashing Misc. 49 3% CHR 8792.3-31627-112 Black sealant On roof electrical fan Misc. 50 ND 8792.3-31627-113 Black sealant On roof electrical fan Misc. 50 ND 8792.3-31627-114 White sealant On roof flashing screws Misc. 51 ND 8792.3-31627-115 White sealant On roof flashing screws Misc. 51 ND ACT = acoustical ceiling tile, CHR = Chrysotile asbestos, GWB = gypsum wallboard, HM = homogeneous material, HVAC = heating, ventilation, and air conditioning, Misc. = miscellaneous, ND = None detected, SVF = sheet vinyl flooring, TSI = thermal system insulation. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 C Helix Design Group, Inc. Appendix C Photographs Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B-1 Helix Design Group, Inc. Photo 1: North side of building looking south Photo 2: Lobby 12-inch off-white ceramic floor tile and grout flooring Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B-2 Helix Design Group, Inc. Photo 3: Typical non-asbestos containing bathroom finishes Photo 4: Asbestos-containing black mastic beneath non-asbestos containing carpet and floor tile. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B-3 Helix Design Group, Inc. Photo 5: Kitchen and Coffee areas non-asbestos containing flooring and cove base Photo 6: Asbestos-containing black mastic beneath non-asbestos containing carpet and floor tile. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B-4 Helix Design Group, Inc. Photo 7: Asbestos-containing joint compound associated with non-asbestos containing gypsum wallboard system located beneath the exterior overhangs. Photo 8: Asbestos-containing white caulking on the exterior windows. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 B-5 Helix Design Group, Inc. Photo 9: Asbestos-containing residual paper on the roof perimeter flashing. Photo 10: Asbestos-containing built up roofing, vapor barrier, and black tar throughout the roof and parapet. Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 D Helix Design Group, Inc. Appendix D Sample and Material Location Drawings Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 E Helix Design Group, Inc. Appendix E SAT NVLAP Certificate Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 F Helix Design Group, Inc. Appendix F Analytical Report- Asbestos Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 G Helix Design Group, Inc. Appendix G Analytical Reports- Heavy Metals ConcentrationAnalyzedWeightRDLLeadClient SampleDescription Collected Test Report: Lead in Paint Chips by Flame AAS (SW 846 3050B/7000B)* EMSL Analytical, Inc. 6340 CastlePlace Dr., Indianapolis, IN 46250 Phone/Fax:(317) 803-2997 / (317) 803-3047 http://www.EMSL.com indianapolislab@emsl.com Attn:Kimberly Riche Med-Tox Northwest PO Box 1446 Auburn, WA 98071 Received: 02/03/20 9:44 AM 8792.3 Fax:(253) 351-0688 Phone: (253) 351-0677 Project: 1/20/2020Collected: 162002246 CustomerID:MEDT50 CustomerPO: ProjectID: EMSL Order: Site: UPPER LEVEL ENTRANCE / WALL / GWB / LIGHT PURPLE 0.010% wt2/7/2020 0.2547g 162002246-0001 0.00801/20/20208792.3-31627-01Pb % wt Site: UPPPER LEVEL OFFICE 5 / WALL / GWB / TAN 0.014% wt2/7/2020 0.252g 162002246-0002 0.00801/20/20208792.3-31627-02Pb % wt Site: UPPER LEVEL KITCHEN / WALL / GWB WHITE <0.0080% wt2/7/2020 0.2537g 162002246-0003 0.00801/20/20208792.3-31627-03Pb % wt Site: UPPER LEVEL WOMEN'S BATHROOM / WALL / GWB / YELLOW <0.0080% wt2/7/2020 0.2578g 162002246-0004 0.00801/20/20208792.3-31627-04Pb % wt Site: UPPER LEVEL COPY ROOM / WALL / GWB / LIGHT GREEN <0.0080% wt2/7/2020 0.2562g 162002246-0005 0.00801/20/20208792.3-31627-05Pb % wt Site: LOWER LEVEL SERVER ROOM / WALL / CMU / WHITE 0.012% wt2/7/2020 0.2531g 162002246-0006 0.00801/20/20208792.3-31627-06Pb % wt Site: EXTERIOR / WALL / CONCRETE / WHITE <0.0080% wt2/7/2020 0.2547g 162002246-0007 0.00801/20/20208792.3-31627-07Pb % wt Site: EXTERIOR / WALL / GWB / BROWN <0.0080% wt2/7/2020 0.2562g 162002246-0008 0.00801/20/20208792.3-31627-08Pb % wt Page 1 of 1Test Report PB w/RDL-2.0.0.0 Printed: 2/10/2020 7:35:26 AM Doug Wiegand, Laboratory Manager or other approved signatory *Analysis following Lead in Paint by EMSL SOP/Determination of Environmental Lead by FLAA. Reporting limit is 0.008 % wt based on the minimum sample weight per our SOP. Unless noted, results in this report are not blank corrected. EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. When the information supplied by the customer can affect the validity of the results, it will be noted on the reoprt. "<" (less than) result signifies the analyte was not detected at or above the reporting limit. Measurement of uncertainty is available upon request. The QC data associated with the sample results included in this report meet the recovery and precision requirements unless specifically indicated otherwise. Definitions of modifications are available upon request. Samples analyzed by EMSL Analytical, Inc. Indianapolis, IN AIHA-LAP, LLC--ELLAP 157245, OH E10040 Initial report from 02/10/2020 07:35:26 Fax:(253) 351-0688 Phone:(253) 351-0677 2/10/2020Attn:Kimberly Riche Med-Tox Northwest PO Box 1446 Auburn, WA 98071 2845.25 The samples associated with this report were received in good condition unless otherwise noted. This report relates only to those items tested as received by the laboratory. This report may not be reproducted except in full and without written approval by EMSL Analytical, Inc. A2LA accredited chemical testing laboratory for Metals in Solids and Liquids by Inductively Coupled Plasma (ICP). As well as Mercury by Cold Vapor Atomic Absorption (CVAA). Doug Wiegand, Laboratory Manager Approved By: The following analytical report covers the analysis performed on samples submitted to EMSL Analytical, Inc. on 2/3/2020. The results are tabulated on the attached data pages for the following client designated project: 8792.3 The reference number for these samples is EMSL Order #162002253. Please use this reference when calling about these samples. If you have any questions, please do not hesitate to contact me at (317) 803-2997. Chemical Testing EMSL Analytical, Inc. 6340 CastlePlace Dr., Indianapolis, IN 46250 Phone: (317) 803-2997 Fax: (317) 803-3047 Email: indianapolislab@emsl.com Page 1 of 2 EMSL Analytical, Inc. 6340 CastlePlace Dr., Indianapolis, IN 46250 Phone/Fax:(317) 803-2997 / (317) 803-3047 http://www.EMSL.com indianapolislab@emsl.com 162002253 CustomerID:MEDT50 CustomerPO: ProjectID: EMSL Order: Analytical Results Attn:Kimberly Riche Med-Tox Northwest PO Box 1446 Auburn, WA 98071 Received:02/03/20 9:44 AM 8792.3 Fax:(253) 351-0688 Phone:(253) 351-0677 Project: 1/30/2020Collected: Client Sample Description Lab ID:8792.3-31627-1 162002253-0001 TCLP Collected:1/30/2020 Method Parameter Result Units Analysis Date & AnalystRL Prep Date & Analyst METALS TCLP 1311/6010D Arsenic WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/6010D Barium WF<1.0 mg/L 2/7/20201.0 2/7/2020 WFD TCLP 1311/6010D Cadmium WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/6010D Chromium WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/6010D Lead WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/6010D Selenium WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/6010D Silver WF<0.20 mg/L 2/7/20200.20 2/7/2020 WFD TCLP 1311/7470A Mercury WF<0.002 mg/L 2/10/20200.002 2/10/2020 WF MDL - method detection limit J - Result was below the reporting limit, but at or above the MDL ND - indicates that the analyte was not detected at the reporting limit RL - Reporting Limit (Analytical) D - Dilution Sample required a dilution which was used to calculate final results Definitions: Page 2 of 2ChemSmplw/RDL/NELAC-2.4.0.0 Printed: 2/10/2020 3:11:11 PM Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 H Helix Design Group, Inc. Appendix H EMSL Analytical, Inc. Laboratory Certification AIHA Laboratory Accreditation Programs, LLC acknowledges that EMSL Analytical, Inc. 6340 Castleplace Drive, Indianapolis, IN 46250 Laboratory ID: 157245 along with all premises from which key activities are performed, as listed above, has fulfilled the requirements of the AIHA Laboratory Accreditation Programs (AIHA-LAP), LLC accreditation to the ISO/IEC 17025:2017 international standard, General Requirements for the Competence of Testing and Calibration Laboratories in the following: LABORATORY ACCREDITATION PROGRAMS INDUSTRIAL HYGIENE Accreditation Expires: June 01, 2021 ENVIRONMENTAL LEAD Accreditation Expires: June 01, 2021 ENVIRONMENTAL MICROBIOLOGY Accreditation Expires: June 01, 2021 FOOD Accreditation Expires: UNIQUE SCOPES Accreditation Expires: Specific Field(s) of Testing (FoT)/Method(s) within each Accreditation Program for which the above named laboratory maintains accreditation is outlined on the attached Scope of Accreditation. Continued accreditation is contingent upon successful on-going compliance with ISO/IEC 17025:2017 and AIHA-LAP, LLC requirements. This certificate is not valid without the attached Scope of Accreditation. Please review the AIHA-LAP, LLC website (www.aihaaccreditedlabs.org) for the most current Scope. Elizabeth Bair Chairperson, Analytical Accreditation Board Cheryl O. Morton Managing Director, AIHA Laboratory Accreditation Programs, LLC Revision 17 – 09/11/2018 Date Issued: 05/31/2019 Effective: 10/14/2016 Scope_ELLAP_R7 Page 1 of 1 AIHA Laboratory Accreditation Programs, LLC SCOPE OF ACCREDITATION EMSL Analytical, Inc. Laboratory ID: 157245 6340 Castleplace Drive, Indianapolis, IN 46250 Issue Date: 05/31/2019 The laboratory is approved for those specific field(s) of testing/methods listed in the table below. Clients are urged to verify the laboratory’s current accreditation status for the particular field(s) of testing/Methods, since these can change due to proficiency status, suspension and/or withdrawal of accreditation. The EPA recognizes the AIHA-LAP, LLC ELLAP program as meeting the requirements of the National Lead Laboratory Accreditation Program (NLLAP) established under Title X of the Residential Lead-Based Paint Hazard Reduction Act of 1992 and includes paint, soil and dust wipe analysis. Air and composited wipes analyses are not included as part of the NLLAP. Environmental Lead Laboratory Accreditation Program (ELLAP) Initial Accreditation Date: 09/01/2002 A complete listing of currently accredited Environmental Lead laboratories is available on the AIHA-LAP, LLC website at: http://www.aihaaccreditedlabs.org Field of Testing (FoT) Technology sub-type/ Detector Method Method Description (for internal methods only) Paint EPA SW-846 3050B EPA SW-846 3051A EPA SW-846 7000B Soil EPA SW-846 3050B EPA SW-846 3051A EPA SW-846 7000B Settled Dust by Wipe EPA SW-846 3050B EPA SW-846 3051A EPA SW-846 7000B Airborne Dust EPA SW-846 3050B EPA SW-846 3051A EPA SW-846 7000B Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 I Helix Design Group, Inc. Appendix I PCB Analytical Results OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. 14648 NE 95th Street, Redmond, WA 98052  (425) 883-3881 February 10, 2020 Kim Riche MED-TOX Northwest P.O. Box 1446 Auburn, WA 98071 Re: Analytical Data for Project 8792.3 Laboratory Reference No. 2001-350 Dear Kim: Enclosed are the analytical results and associated quality control data for samples submitted on January 31, 2020. The standard policy of OnSite Environmental, Inc. is to store your samples for 30 days from the date of receipt. If you require longer storage, please contact the laboratory. We appreciate the opportunity to be of service to you on this project. If you have any questions concerning the data, or need additional information, please feel free to call me. Sincerely, David Baumeister Project Manager Enclosures 2 OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. Date of Report: February 10, 2020 Samples Submitted: January 31, 2020 Laboratory Reference: 2001-350 Project: 8792.3 Case Narrative Samples were collected on January 28, 2020 and received by the laboratory on January 31, 2020. They were maintained at the laboratory at a temperature of 2oC to 6oC. Please note that any and all soil sample results are reported on a dry-weight basis, unless otherwise noted below. General QA/QC issues associated with the analytical data enclosed in this laboratory report will be indicated with a reference to a comment or explanation on the Data Qualifier page. More complex and involved QA/QC issues will be discussed in detail below. 3 OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. Date of Report: February 10, 2020 Samples Submitted: January 31, 2020 Laboratory Reference: 2001-350 Project: 8792.3 PCBs EPA 8082A Matrix: Solid Units: mg/Kg (ppm) Date Date Analyte Result PQL Method Prepared Analyzed Flags Client ID: 8792.3-31627-01PCB Laboratory ID: 01-350-01 Aroclor 1016 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1221 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1232 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1242 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1248 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1254 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1260 ND 42 EPA 8082A 2-4-20 2-4-20 U1 Surrogate: Percent Recovery Control Limits DCB 96 37-122 Client ID: 8792.3-31627-02PCB Laboratory ID: 01-350-02 Aroclor 1016 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1221 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1232 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1242 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1248 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1254 ND 1.7 EPA 8082A 2-4-20 2-4-20 Aroclor 1260 ND 1.7 EPA 8082A 2-4-20 2-4-20 Surrogate: Percent Recovery Control Limits DCB 95 37-122 Client ID: 8792.3-31627-03PCB Laboratory ID: 01-350-03 Aroclor 1016 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1221 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1232 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1242 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1248 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1254 ND 2.1 EPA 8082A 2-4-20 2-4-20 Aroclor 1260 ND 2.1 EPA 8082A 2-4-20 2-4-20 Surrogate: Percent Recovery Control Limits DCB 95 37-122 4 OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. Date of Report: February 10, 2020 Samples Submitted: January 31, 2020 Laboratory Reference: 2001-350 Project: 8792.3 PCBs EPA 8082A Matrix: Solid Units: mg/Kg (ppm) Date Date Analyte Result PQL Method Prepared Analyzed Flags Client ID: 8792.3-31627-04PCB Laboratory ID: 01-350-04 Aroclor 1016 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1221 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1232 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1242 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1248 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1254 ND 3.8 EPA 8082A 2-4-20 2-4-20 Aroclor 1260 ND 3.8 EPA 8082A 2-4-20 2-4-20 Surrogate: Percent Recovery Control Limits DCB 93 37-122 Client ID: 8792.3-31627-05PCB Laboratory ID: 01-350-05 Aroclor 1016 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1221 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1232 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1242 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1248 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1254 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Aroclor 1260 ND 37 EPA 8082A 2-4-20 2-4-20 U1 Surrogate: Percent Recovery Control Limits DCB 99 37-122 5 OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. Date of Report: February 10, 2020 Samples Submitted: January 31, 2020 Laboratory Reference: 2001-350 Project: 8792.3 PCBs EPA 8082A QUALITY CONTROL Matrix: Solid Units: mg/Kg (ppm) Date Date Analyte Result PQL Method Prepared Analyzed Flags METHOD BLANK Laboratory ID: MB0204S1 Aroclor 1016 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1221 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1232 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1242 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1248 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1254 ND 0.050 EPA 8082A 2-4-20 2-4-20 Aroclor 1260 ND 0.050 EPA 8082A 2-4-20 2-4-20 Surrogate: Percent Recovery Control Limits DCB 82 37-122 Source Percent Recovery RPD Analyte Result Spike Level Result Recovery Limits RPD Limit Flags MATRIX SPIKES Laboratory ID: 01-259-02 MS MSD MS MSD MS MSD Aroclor 1260 0.444 0.429 0.500 0.500 ND 89 86 38-120 3 15 Surrogate: DCB 81 81 37-122 6 OnSite Environmental, Inc. 14648 NE 95th Street, Redmond, WA 98052 (425) 883-3881 This report pertains to the samples analyzed in accordance with the chain of custody, and is intended only for the use of the individual or company to whom it is addressed. Data Qualifiers and Abbreviations A - Due to a high sample concentration, the amount spiked is insufficient for meaningful MS/MSD recovery data. B - The analyte indicated was also found in the blank sample. C - The duplicate RPD is outside control limits due to high result variability when analyte concentrations are within five times the quantitation limit. E - The value reported exceeds the quantitation range and is an estimate. F - Surrogate recovery data is not available due to the high concentration of coeluting target compounds. H - The analyte indicated is a common laboratory solvent and may have been introduced during sample preparation, and be impacting the sample result. I - Compound recovery is outside of the control limits. J - The value reported was below the practical quantitation limit. The value is an estimate. K - Sample duplicate RPD is outside control limits due to sample inhomogeneity. The sample was re-extracted and re-analyzed with similar results. L - The RPD is outside of the control limits. M - Hydrocarbons in the gasoline range are impacting the diesel range result. M1 - Hydrocarbons in the gasoline range (toluene-naphthalene) are present in the sample. N - Hydrocarbons in the lube oil range are impacting the diesel range result. N1 - Hydrocarbons in diesel range are impacting lube oil range results. O - Hydrocarbons indicative of heavier fuels are present in the sample and are impacting the gasoline result. P - The RPD of the detected concentrations between the two columns is greater than 40. Q - Surrogate recovery is outside of the control limits. S - Surrogate recovery data is not available due to the necessary dilution of the sample. T - The sample chromatogram is not similar to a typical ____________. U - The analyte was analyzed for, but was not detected above the reported sample quantitation limit. U1 - The practical quantitation limit is elevated due to interferences present in the sample. V - Matrix Spike/Matrix Spike Duplicate recoveries are outside control limits due to matrix effects. W - Matrix Spike/Matrix Spike Duplicate RPD are outside control limits due to matrix effects. X - Sample extract treated with a mercury cleanup procedure. X1- Sample extract treated with a sulfuric acid/silica gel cleanup procedure. Y - The calibration verification for this analyte exceeded the 20% drift specified in methods 8260 & 8270, and therefore the reported result should be considered an estimate. The overall performance of the calibration verification standard met the acceptance criteria of the method. Z - ND - Not Detected at PQL PQL - Practical Quantitation Limit RPD - Relative Percent Difference Hazardous Building Materials Survey — Lakehaven Administrative Building February 2020 J Helix Design Group, Inc. Appendix J On Site Environmental Laboratory Certification