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HomeMy WebLinkAbout20086_Chadbourn Mill_Installation Report_2021.02.28 February 25, 2021 Sent Via E-mail Christie Zawtocki, PE Hart & Hickman, PC 2923 South Tryon Street, Suite 100 Charlotte, NC 28203 CZawtocki@harthickman.com Subject: VIMS Installation Completion Report - Compliance Review Chadbourn Mill - Mill Building, Revision 1 451 Jordan Place Charlotte, Mecklenburg County Brownfields Project No. 20086-16-060 Dear Ms. Zawtocki: The North Carolina Department of Environmental Quality Brownfields Program (DEQ Brownfields) received and reviewed the VIMS Installation Completion Report - Revision 1, dated November 24, 2020, and DEQ Brownfields has found it to be in compliance with the Vapor Intrusion Mitigation Plan previously approved by DEQ Brownfields on September 13, 2018. If you have any questions, please feel free to contact me at my mobile number 980-435- 3657, or via e-mail at Kevin.Slaughter@ncdenr.gov. Sincerely, J. Kevin Slaughter Environmental Specialist II, Brownfields Property Management Unit Division of Waste Management ec: Alexis McKenzie, EI – H&H Ralph McGee, PG – H&H Justin Trowbridge – VP White Point Partners Bruce Nicholson - DEQ Brownfields Program Manager VIMS Installation Completion Report Chadbourn Mill – Mill Building 451 Jordan Place Charlotte, North Carolina Brownfields Project No. 20086-16-060 H&H Job No. WPP-005 Revised November 24, 2020 #C-1269 Engineering #C-245 Geology i s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx VIMS Installation Completion Report Chadbourn Mill – Mill Building 451 Jordan Place Charlotte, North Carolina H&H Job No. WPP-005 Table of Contents 1.0 Introduction ..............................................................................................................................1 2.0 Vapor Intrusion Mitigation System Installation ..................................................................3 2.1 VIMS Influence Testing ........................................................................................................5 3.0 Indoor Air and Sub-Slab Soil Gas Assessment Activities ...................................................7 3.1 Sub-Slab Soil Gas Sampling .................................................................................................7 3.2 Sub-Slab Soil Gas Sampling Results .....................................................................................9 3.3 Building Survey Activities ..................................................................................................10 3.4 Indoor Air Sampling ............................................................................................................10 3.5 Indoor Air Sample Results ..................................................................................................12 3.6 Vapor Intrusion Evaluation .................................................................................................13 4.0 Summary and Conclusions ..................................................................................................15 List of Tables Table 1 Summary of Sub-Slab Soil Gas Analytical Data Table 2 Summary of Indoor Air Analytical Data List of Figures Figure 1 Site Location Map Figure 2 Site Map Figure 3 Sample Location Map ii s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx List of Appendices Appendix A Historical Data Summary Tables and Sample Location Map Appendix B Product Specifications Appendix C VIMS As-Built Drawings Appendix D VIMS Installation Photographs Appendix E Field Forms Appendix F Laboratory Analytical Reports Appendix G DEQ Risk Calculator Appendix H Building Survey Form and Construction Material Information 1 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx VIMS Installation Completion Report Chadbourn Mill – Mill Building 451 Jordan Place Charlotte, North Carolina H&H Job No.WPP-005 1.0 Introduction On behalf of Chadbourn Mill Owner LLC (the Prospective Developer or PD), Hart & Hickman, PC (H&H) has prepared this report to document vapor intrusion mitigation system (VIMS) installation and VIMS efficacy sub-slab soil gas and indoor air assessment activities completed for the mill building portion of the Chadbourn Mill development (Brownfields Project No. 20086-16- 060) located at 451 Jordan Place in Charlotte, Mecklenburg County, North Carolina (Site or subject Site). The Chadbourn Mill Brownfields property has been subdivided into two parcels of land. The Site is comprised of the approximately 2-acre parcel of land (Parcel ID No. 08306707) located in the western portion of the larger approximately 5.75-acre Chadbourn Mill Brownfields property. Proposed redevelopment activities at the Site include upfit and renovations for adaptive re-use of the existing mill building and boiler building for commercial purposes. A Site location map is provided as Figure 1, and the Site and surrounding area are shown in Figure 2. A Brownfields Agreement between the North Carolina Department of Environmental Quality (DEQ) and Faison-Chadbourn Mill, LLC was recorded for the Site on September 1, 2017. Land Use Restriction (LUR) No. 7 included in the Brownfields Agreement generally indicates that no enclosed building may be constructed on the Brownfields property until DEQ approves in writing that the building is protective of the users from potential vapor intrusion. To address requirements outlined in LUR No. 7, H&H prepared a Vapor Intrusion Mitigation Plan (VIMP) and revisions to the VIMP based on DEQ comments dated August 24, 2018. The VIMP was approved by DEQ in an email dated September 13, 2018. The DEQ-approved VIMP includes installation of a passive sub-slab depressurization system in the mill building and post-installation efficacy sub-slab soil gas and indoor air sampling. The 2 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx VIMP also includes a VIMS design for the boiler building; however, upfit of the boiler building has not been completed. Following installation and completion of the boiler building VIMS, a second installation completion report will be submitted under separate cover. A discussion of VIMS installation activities is provided in Section 2.0, a summary of sub-slab soil gas and indoor air assessment activities is provided in Section 3.0, and summary and conclusions based on the results of the VIMS installation activities and VIMS efficacy assessment activities are provided in Section 4.0. 3 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx 2.0 Vapor Intrusion Mitigation System Installation Historical sub-slab soil vapor and indoor air sampling was completed during the 2016 and 2017 Brownfields assessment activities. Results of the indoor air and sub-slab vapor sampling indicated that naphthalene was detected at a concentration above the DEQ Division of Waste Management (DWM) Non-Residential Vapor Intrusion Screening Levels in sub-slab soil vapor and indoor air. A worst-case risk calculation was completed using the highest concentrations detected in indoor air, and the cumulative lifetime incremental cancer risk (LICR) and hazard index (HI) were below acceptable risk levels. Although indoor air and sub-slab soil vapor sample results did not indicate that a VIMS was necessary, the PD elected to proactively mitigate potential vapor intrusion risks for ground level components of the mill building, as a precautionary measure. A historical sample location map and tabular summaries of previous sub-slab soil vapor and indoor sample analytical data are provided in Appendix A for ease of reference. The VIMS consists of a passive sub-slab depressurization system. Sub-slab vapor extraction is accomplished using multiple PVC suction points installed below the slab and PVC vapor conveyance piping which extracts vapor from beneath the floor slab and discharges the vapor through exhaust stacks above the building roof. The passive venting system includes Empire Model TV04SS (stainless steel) turbine ventilator fans installed on the discharge end of the exhaust stacks on the roof. To enhance sub-slab vapor transmission and collection effectiveness, one cubic foot of soil was removed beneath each suction point to create a vapor collection sump. Although not specified in the DEQ-approved VIMP, StegoCrawl® Wrap 15-mil Vapor Barrier was installed to provide a protective barrier in the areas where the concrete was cut to install the suction points and conveyance piping. Specifications for the turbine ventilator fans, PVC vapor collection/conveyance piping, and StegoCrawl® are provided in Appendix B. During installation of the VIMS in the mill building, H&H conducted inspections during various phases of construction to confirm the VIMS was installed in accordance with the VIMP. Inspections were completed during the following phases: • prior to installation of sub-slab vapor collection piping to inspect the sub-slab suction points; 4 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx • prior to concrete slab pour to observe placement of the sub-slab vapor collection piping and vapor barrier; • after installation of the vertical conveyance piping installed along the existing building columns; and, • after installation of wind-driven fans on the building roof. Based upon inspections completed during the VIMS installation activities, the VIMS was installed in accordance with the DEQ-approved VIMP. VIMS details and specifications, and a VIMS as- built drawing which depicts the VIMS layout are included in Appendix C. A photographic log of the VIMS installation activities is provided in Appendix D. As shown in VM1, exhaust fan locations on the roof vary slightly from that shown in the DEQ-approved VIMP. Original mill building construction included windows at the roofline to allow for natural lighting in second floor work areas. The PD elected to restore and leave the windows in-place as part of the upfit and renovation activities (note that the windows are inoperable and do not open to the outdoors). Due to the presence of windows located at the roofline on the ceilings of the mill building upper floor, each vertical riser runs horizontally along the second-level ceiling past the windows prior to vertical roof penetrations for the exhaust ends of the risers. Please refer to Detail 4 on VM1 (Appendix C) and Photograph 3 in Appendix D. As part of building upfit activities, an elevator was installed on the southern corner of the building adjacent to the stairwell. The elevator was lined along the vertical walls with MiraDRI® 860/861 waterproofing made by Carlisle Coatings & Waterproofing. MiraDRI is a 60-mil sheet membrane with a permeance of 0.05 perms. These specifications meet the requirements of an E1745 Vapor Retarder Class A material. Specifications for the waterproofing are included in Appendix B. Cuts in the slab were lined with StegoCrawl® prior to repouring the concrete. During future tenant upfit activities, additional cuts in the floor may be required for utility installation, H&H will complete inspections of future concrete removal activities prior to installation of the concrete. During influence testing activities, discussed below, H&H repaired select cracks in the slab using concrete sealant. However, based on the future tenant upfit activities which will be completed on 5 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx the first floor, not all the cracks were sealed during influence testing activities. The first floor will be refinished as part of future tenant upfit at which time the remaining cracks will be repaired. 2.1 VIMS Influence Testing On April 1, 2020, H&H completed influence testing for the mill building to evaluate system sub-slab communication and to confirm that adequate vacuum can be obtained should an active depressurization system be needed in the future. DEQ considers 4 Pascals (Pa) differential pressure the minimum vacuum needed for an active depressurization system to effectively treat potential vapor intrusion. H&H connected electric fans with variable vacuum settings to the vertical riser piping to model an active depressurization system. Differential pressure measurements were collected at each vacuum monitoring point using a Dwyer series 475 Mark III Digital manometer (capable of measuring to 0.001 inches of water column [in-WC] or 0.25 Pa) to establish baseline conditions prior to use of the electric fans. Following collection of baseline differential pressure measurements, the electric fans were turned on and differential pressure measurements were collected at each monitoring point over varied time intervals. Permanent monitoring points (denoted by MP nomenclature) are shown in VM-1 (Appendix C). The pilot test field forms are included in Appendix E. Two influence tests were completed for the mill building due to the number of vertical risers. The fans were connected to fan locations F-1 and F-5 through F-8 for the first test, and vacuum readings were collected from all the monitoring points in the mill building. During the second test, fans F- 1 and F-5 through F-8 were disconnected, and Fans F-2 through F-4 were activated. Results of the influence tests indicated sufficient differential pressure in each of the monitoring points, with the exception of monitoring point MP-4 located in the northern stairwell. H&H reinstalled monitoring point MP-4 to determine if short circuiting along the building edges was the cause of the insufficient vacuum. H&H was unable to achieve vacuum readings in the stairwell; however, based on pilot test results prior to installation of the system, there is connection 6 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx under the slab. H&H attributes the low vacuum readings in MP-4 to the grade around the building slab at the time of the influence test and the presence of water which was heard in the risers during the vacuum influence test. Once the grade surrounding the building is finished with impervious surfaces, it is less likely that water will collect under the building. If the system has to switch from passive to active in the future, additional vacuum measurements should be collected to confirm influence. 7 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx 3.0 Indoor Air and Sub-Slab Soil Gas Assessment Activities Following installation of the VIMS and completion of interior construction activities, H&H conducted sub-slab soil gas and indoor air sampling activities to evaluate efficacy of the VIMS. In accordance with the DEQ-approved VIMP, H&H collected 5 sub-slab soil gas and 5 co-located indoor air samples for laboratory analysis from select locations on the main floor of the mill building. The sub-slab and indoor air assessment activities were conducted in accordance with the DEQ-approved VIMP and the DEQ DWM Vapor Intrusion Guidance (Guidance) dated March 2018. The DEQ approved VIMP states that the sub-slab and indoor air samples would be collected concurrently. H&H completed pilot testing activities, as discussed above, at which time sufficient vacuum was not achieved at monitoring point MP-4 in the stairwell. In an effort to determine if the sub-slab conditions were being sufficiently mitigated in the stairwell, H&H ordered sampling equipment to complete the indoor air and sub-slab soil gas sampling soon after the pilot testing was completed. The windows and doors in the stairwell and first floor of the mill building were anticipated to be installed during that time period; however, due to Covid-19, the materials delivery was delayed. Although indoor air samples could not be collected concurrently with the sub-slab sampling due to the delay in the window materials delivery and installation, H&H completed the sub-slab sampling to determine if the sub-slab conditions were being properly mitigated. After the windows in the building were installed, the indoor air samples were collected. The sample results are discussed below. 3.1 Sub-Slab Soil Gas Sampling Following successful installation of the VIMS, H&H collected five sub-slab soil gas samples from monitoring points installed within the mill building on May 4, 2020. The sub-slab soil gas samples were collected from permanent monitoring point locations MP-1, MP-2, MP-3, MP-4, and MP-6 as shown in VM-1 in Appendix C. One duplicate sub-slab soil gas sample (MP-DUP-1) was also collected for quality assurance/quality control (QA/QC) purposes from sub-slab soil gas sample 8 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx location MP-2 utilizing a laboratory supplied stainless-steel sampling “T” which allows for the simultaneous collection of two sub-slab soil gas samples from a single location. Teflon sample tubing was secured to the Vapor Pin® sampling port at each location and connected to an airflow regulator and laboratory supplied batch-certified 1-liter stainless steel Summa canister. The air flow regulator was preset by the laboratory to collect a soil gas sample at a flow rate no greater than approximately 100 milliliters per minute. Prior to sample collection, H&H conducted a leak test at each monitoring point by placing a shroud around the monitoring point and sampling train including the Summa canister. The air within the shroud was flooded with helium gas and concentrations were measured with a calibrated helium detector. Helium concentrations within the shroud were maintained between approximately 15 and 20%. A syringe was connected to the sample tubing outside of the shroud and used to purge a minimum of three volumes (Vapor Pin® and sample train) of soil gas into a Tedlar® bag at each sampling point. The helium gas detector was used to measure helium concentrations within the Tedlar bag sample to confirm helium concentrations in the sample were less than 10% of that measured within the shroud. Results of the helium leak checks indicate that short-circuiting at the monitoring points or within the sampling train were not present. Soil gas sample field forms completed by sampling personnel are included in Appendix E. Following a successful leak check, the air flow regulators were opened to allow collection of the sub-slab soil gas samples. Vacuum in the Summa canisters was monitored during the sampling event to confirm adequate sample volume was collected at each monitoring point location. Upon completion of sample collection, the air flow regulator was closed to the Summa canister. The canisters were labeled with the sample identification, beginning and ending times and pressures measurements, and the requested analysis. The canisters were then placed in laboratory supplied shipping containers and delivered to Pace Analytical (Pace) under standard chain of custody protocols for analysis of volatile organic compounds (VOCs) by EPA Method TO-15. 9 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx 3.2 Sub-Slab Soil Gas Sampling Results A tabular summary of the sub-slab soil gas sample analytical results is provided in Table 1. The results were compared to the DEQ DWM Non-Residential Vapor Intrusion Sub-Slab and Exterior Soil Gas Screening Levels (SGSLs) dated July 2020. The laboratory analytical report with chain of custody record is provided as Appendix F. The monitoring point soil gas sample analytical results indicate that several compounds were detected at concentrations above laboratory method detection limits in each sample, but below the DEQ DWM Non-Residential Vapor Intrusion SGSLs. No compounds were detected at concentrations above DEQ DWM Non-Residential Vapor Intrusion SGSLs in the mill building sub-slab soil gas samples. In addition, sub-slab soil gas laboratory analytical results indicate a 99.5% reduction in naphthalene beneath the slab from a high of 6,000 micrograms per cubic meter (µg/m3) prior to installation of the VIMS to a high of 31.3 µg/m3 following installation of the VIMS. The DEQ DWM Vapor Intrusion SGSLs are very conservative and based on a target carcinogenic risk (TCR) for potential carcinogenic risks of 1 x 10-6 and a hazard quotient (HQ) of 0.2 for potential non-carcinogenic risks. The DEQ and EPA acceptable risk level for potential carcinogenic risks is a cumulative lifetime incremental cancer risk (LICR) of 1 x 10-4 or less and the acceptable level for non-carcinogenic risks is a cumulative hazard index (HI) of 1 or less. The HI is the sum of HQs for each target analyte. Although no compounds were detected at concentrations exceeding the DEQ DWM Non- Residential Vapor Intrusion SGSLs in the mill building sub-slab soil gas samples, H&H utilized the DEQ Risk Calculator (July 2020) to confirm there are no potential vapor intrusion risks at unacceptable levels. Because the proposed building use includes office and commercial space, H&H modeled a worst-case scenario by using the highest concentrations of any compound detected in the sub-slab based on a non-residential use scenario to conservatively evaluate potential vapor intrusion risks. The calculated cumulative LICR and HI values for the mill building are provided in Table 1, and a copy of the completed DEQ Risk Calculator is provided in Appendix G. 10 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx As shown in Table 1, results of the worst-case risk calculations indicate a calculated cumulative LICR of 9.8 x10-7 and a HI value of 0.038. The calculated cumulative non-residential use LICR and HI values are orders of magnitude below the DEQ and EPA acceptable levels. These risk calculator results confirm that compound concentrations detected below the slab do not pose vapor intrusion risks at unacceptable levels within the mill building. 3.3 Building Survey Activities Prior to collecting indoor air samples, H&H completed a survey within the building to identify potential sources of compounds of concern. Results of the survey activities completed during the May 2020 indoor air sampling event identified recently completed window installation in ground floor areas near the sampling locations. A copy of the indoor air building survey and sampling forms completed by H&H sampling personnel during the indoor air sampling event is provided in Appendix H. Safety data sheets (SDSs) associated with materials used during installation of the windows and doors in the building are also provided in Appendix H. A brief tabular summary of compounds of concern identified in the construction material SDSs is also provided in Appendix H. As shown in in Appendix H, Pecora 890 NST – Sealant, which had recently been used during window installation activities, contains naphthalene and 2-butanone. During the sampling event, an upwind exterior background air sample was collected concurrently with indoor air samples to evaluate compound concentrations in ambient outdoor air. The indoor air sampling form is included in Appendix H. H&H observed exterior sources of potential compounds of concern during each sampling event including the railroad, heavy vehicular traffic, and petroleum-powered construction equipment. The location of the background air sample (denoted by BAS-1) is shown in Figure 3. 3.4 Indoor Air Sampling Indoor air samples were collected on May 24, 2020 after installation of the windows and doors. To accommodate the construction schedule, indoor air samples were collected approximately three weeks after the collection of the sub-slab soil gas samples. In accordance with the approved VIMP, 11 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx indoor air samples were collected at locations corresponding to the sub-slab gas sample locations, including four samples within the future first floor office space and one sample in the western stairwell. Please note that both stairwells are part of the original building. They are enclosed and have doors connecting the stairwells to the tenant spaces and doors to the exterior of the building. Indoor air samples were collected with the windows of the buildings closed and ingress and egress activities minimized. The indoor air samples were collected using laboratory supplied individually certified 6-liter stainless steel Summa sample canisters connected to in-line flow controllers with a vacuum gauge. The background air sample was collected using a laboratory-supplied batch certified 6-liter stainless steel Summa sample canister connected to in-line flow controllers with a vacuum gauge. The flow controllers were calibrated by the laboratory to allow for sample collection over an approximate 8-hour period. A laboratory-supplied 3-foot sampling cane was connected to the flow controller so that the sample intake point was positioned approximately 5 ft above grade (typical breathing zone height) when the sample canister was set on its base. During the sampling activities, indoor/outdoor air pressure differential was measured near the start, middle, and end of the 8-hour sampling period using a manometer sensitive to 0.001 inches of water. In addition, barometric pressure, exterior wind speed, exterior wind direction, and indoor/outdoor temperature were recorded near the start, middle, and end of the sampling period. Differential pressure measurements collected at the time of the indoor air sampling activities indicated that pressure within the building was similar to outdoor pressure. This is consistent with expected differential pressure at the time of sub-slab soil gas sampling as there were no windows or doors for ground-level portions of the mill building at the time of sub-slab soil gas sampling activities. A summary of the field measurement data collected at the time of the indoor air sampling event is provided in Appendix E. For quality assurance purposes, H&H personnel periodically monitored the sample canisters to prevent tampering or damage during the sampling event. Vacuum was measured in each of the Summa canisters prior to and after sampling activities. Per laboratory standard operating procedures, a vacuum was maintained within the canisters at the conclusion of the sampling event. To evaluate laboratory reproducibility, H&H collected one duplicate sample (IAS-DUP) from 12 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx indoor air sample location IAS-2 utilizing a laboratory supplied stainless-steel sampling “T” which allows for the simultaneous collection of two indoor air samples from a single location. Upon completion of the indoor air sampling event, the Summa canisters were properly labeled with the sample identification, date, time, starting and ending vacuums, requested analysis, and placed in a laboratory supplied shipping container. The samples were shipped under standard chain-of-custody protocols to Pace for analysis of select VOCs by EPA Method TO-15. The target analyte list for the indoor air samples included those compounds that were detected at concentrations above the laboratory method detection limits in the sub-slab soil gas samples. 3.5 Indoor Air Sample Results A tabular summary of the indoor air sample laboratory analytical results is provided as Table 2. Indoor air sample analytical results were compared to the DEQ DWM Non-Residential Vapor Intrusion Indoor Air Screening Levels (IASLs) dated February 2018. Copies of the laboratory analytical reports and chain-of-custody records are provided in Appendix F. Laboratory analytical results indicate that low levels of VOCs were detected at concentrations above the laboratory method detection limits in the indoor air samples. Low levels of naphthalene (ranging from 5.9 to 7.6 µg/m3) were detected in each of the indoor air samples at concentrations exceeding the DEQ DWM Non-Residential Vapor Intrusion IASL of 0.36 µg/m3. However, naphthalene concentrations detected in the indoor air samples are not consistent with the results of the sub-slab soil gas samples, as the concentrations detected below the slab do not indicate levels that would pose a potential vapor intrusion risk. Further review of the data indicates that naphthalene concentrations in indoor air are consistent at each indoor air sample location indicating homogeneous naphthalene concentrations in indoor air across the entire lower level of the mill building. No other compounds were detected at concentrations above the DEQ DWM Non-Residential Vapor Intrusion IASLs in the indoor air samples collected at the Site. Concentrations of acetone, 2-butanone, cyclohexane, dichlorodifluoromethane, ethanol. n-hexane, ethylbenzene, 2-propanol, 13 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx and toluene were detected in the background sample. The background air sample detections are consistent with observations made by H&H during pre-sampling building survey activities. 3.6 Vapor Intrusion Evaluation The DEQ DWM Vapor Intrusion IASLs used for comparison to the laboratory analytical results are conservative and based upon a LICR of 1 x 10-6 for potential carcinogenic effects and a HQ of 0.2 for potential non-carcinogenic effects. The DEQ and EPA acceptable level for potential carcinogenic risks is cumulative LICR of 1 x 10-4 or less and the acceptable level for non- carcinogenic risks is a cumulative HI of 1 or less. As discussed above, results of the building survey completed prior to the sampling event identified potential sources for compounds of concern, specifically regarding the window and door installations. Based on the low concentrations of naphthalene and 2-butanone detected in the sub-slab soil gas and the homogenous nature of naphthalene and 2-butanone concentrations detected in the indoor air samples, naphthalene and 2-butanone concentrations detected in indoor air are attributed to an above slab source, such as the recently used Percora 890 window sealant which contains both naphthalene and 2-butanone. With the exception of homogeneous concentrations of naphthalene detected in each indoor air sample; no other compounds were detected at concentrations above the DEQ DWM Non-Residential Vapor Intrusion IASLs in indoor air samples collected at the Site. Although the indoor air sample results are influenced by above slab background sources, to further evaluate potential vapor intrusion risks at unacceptable levels, H&H utilized the DEQ Risk Calculator (July 2020) under a hypothetical “worst-case” non-residential use scenario to calculate the cumulative carcinogenic and non-carcinogenic risk associated with compound concentrations detected in the indoor air samples. To simulate a hypothetical worst-case scenario, H&H input the highest concentration of each compound which was detected in the indoor air samples into the DEQ Risk Calculator. Hypothetical worst-case non-residential DEQ Risk Calculator results indicate a calculated cumulative LICR of 2.7 x 10-5 and a calculated cumulative HI of 0.79 which 14 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx are below the DEQ and EPA acceptable levels of 1 x 10-4 for the cumulative LICR and 1 for the cumulative HI. The completed DEQ Risk Calculator is provided in Appendix G. 15 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx 4.0 Summary and Conclusions Upfit and renovation activities for commercial uses have been completed for the mill building portion of the Chadbourn Mill Brownfields property (Brownfields Project No. 20086-16-060) located in Charlotte, Mecklenburg County. The boiler building located in the northern portion of the Site is also proposed for future renovations for commercial purposes; however, the upfit and renovations for the boiler building have not yet been completed. During renovations for the mill building, H&H conducted VIMS installation inspections to confirm the system was installed as designed and completed post-installation sub-slab soil gas and indoor air sampling activities to evaluate efficacy of the system. The VIMS installation inspections and post-installation sampling activities were completed in general accordance with the DEQ-approved VIMP. A brief summary of the VIMS installation and post-installation efficacy assessment activities is provided below. VIMS Installation VIMS installation has been completed for the mill building and consists of a passive sub-slab depressurization system with vertical extraction piping to the roof connected to wind-driven turbine fans. During installation of the VIMS, H&H personnel, under direction of a North Carolina licensed Professional Engineer, conducted inspections during each stage of installation. Results of the installation inspections indicate that the VIMS was successfully installed in accordance with the DEQ-approved VIMP. Sub-Slab Soil Gas and Indoor Air Assessment Following installation of the VIMS and completion of interior construction activities, H&H collected 5 co-located sub-slab soil gas and indoor air sample locations within the Site building to evaluate the effectiveness of the VIMS. Laboratory analytical results of the sub-slab soil gas samples indicate that no compounds were detected at concentrations above the DEQ DWM Non-Residential Vapor Intrusion SGSLs. Prior to installation of the VIMS, sub-slab soil gas concentrations of naphthalene (6,000 µg/m3) were 16 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx the primary purpose for the PD electing to proactively install a VIMS in the mill building as a precautionary measure. Following installation of the VIMS, sub-slab concentrations of naphthalene were reduced 99.5% to levels below the DEQ DWM Non-Residential SGSL. H&H utilized the DEQ Risk Calculator (July 2020) to calculate the cumulative carcinogenic and non-carcinogenic risks under a hypothetical worst-case non-residential-use scenario by utilizing the highest concentration of each compound which was detected in the sub-slab soil gas samples. The hypothetical worst-case non-residential use risk calculator results indicate a calculated cumulative LICR of 9.8 x 10-7 and a calculated cumulative HI of 0.038. The calculated LICR and HI values are substantially below DEQ and EPA acceptable levels. This is very strong indication that the VIMS is effectively treating potential vapor intrusion into the mill building. Prior to indoor air sample collection, H&H conducted a building survey to identify potential indoor and outdoor sources of compounds of concern. Results of the building survey activities identified potential background sources of compounds of concerns, including Percora 890 window sealant which had recently been used during window installation activities and contains naphthalene and 2-butanone. Indoor air sample laboratory analytical results indicate that no compounds were detected at concentrations above the DEQ DWM Non-Residential Vapor Intrusion IASLs with the exception of naphthalene which was detected at similar concentrations in each of the indoor air samples, ranging from 5.9 µg/m3 to 7.6 µg/m3. To further evaluate the indoor air data, H&H calculated the cumulative carcinogenic and non-carcinogenic risks associated with the detected indoor air concentrations under a hypothetical worst-case non-residential use scenario. The hypothetical worst-case non-residential use risk calculator results indicate a calculated cumulative LICR of 2.1 x 10-5 and a calculated cumulative HI of 0.79 which are both below the DEQ and EPA acceptable levels. Based on the low levels of naphthalene detected beneath the slab, the presence of naphthalene in a recently used window sealant, and the homogeneous nature of naphthalene detections in indoor air, the naphthalene detections in the indoor air samples are attributed to an above slab source or 17 s:\aaa-master projects\white point partners (wpp)\wpp-005 chadbourn vmp\installation completion report\20086 - vims installation completion report.docx sources (likely finish construction materials) and not structural vapor intrusion. Although 2- butanone was not detected at concentrations above the DEQ DWM Non-Residential IASL, the detected indoor air concentrations were generally similar in each indoor air sample and were significantly higher than concentrations below the slab. This is further evidence that indoor air concentrations of naphthalene and 2-butanone are attributable to the Percora 890 window sealant and other finish construction materials. Based on results of the VIMS installation inspections and results of the post-installation sub-slab soil gas and indoor air assessment activities, the VIMS is effectively mitigating potential vapor intrusion risks at the Site. The indoor air sampling results and risk calculator confirm that risks are below acceptable levels, and the conclusions regarding the sources of naphthalene and 2-butanone in indoor air will be confirmed during a second post-installation sampling event. In accordance with the DEQ-approved VIMP, a second sub-slab soil gas and indoor air sampling event is scheduled for late 2020. The sub-slab gas samples will be analyzed for the analyte list provided in the approved VIMP. The indoor air samples will be analyzed for only those compounds detected above laboratory method detection limits in the concurrent sub-slab gas samples. Per DEQ’s request, each of the indoor air samples will be analyzed for TCE, regardless of the sub-slab soil gas results. Table 1Summary of Sub-Slab Soil Gas Analytical DataChadbourn Mill - Mill BuildingCharlotte, North CarolinaH&H Job No. WPP-005Sample LocationNorthern corner Eastern Corner Western Stairwell Southern CornerSample IDMP-1 MP-3 MP-4 MP-6Date5/4/2020 5/4/2020 5/4/2020 5/4/2020UnitsVOCs (TO-15)Acetone 119 26.5 18.2 12.9 36.9 23.02,700,000Benzene<0.25 <0.26 <0.26 <0.26 <0.25 <0.251,600Bromodichloromethane<0.34 <0.35 <0.36 <0.35 <0.34 <0.333302-Butanone (MEK) 18.0 4.5 J 4.0 J 2.4 J 4.1 J 3.1 J440,000Carbon disulfide 1.8<0.21 <0.222.0<0.21 <0.2061,000Carbon tetrachloride<0.50 <0.510.58 J 4.9<0.500.84 J2,000Chloroform<0.26 <0.26 <0.27 <0.26 <0.26 <0.25530Chloromethane<0.13 <0.13 <0.13 <0.13 <0.13 <0.137,900Cyclohexane 2.6 J 1.8 J 2.0 J 2.4 J 4.8 2.8 J530,0001,3-Dichlorobenzene<0.93 <0.94 <0.96 <0.94 <0.93 <0.91NE1,4-Dichlorobenzene<1.46.6 6.1 J<1.5 <1.46.41,100Dichlorodifluoromethane 2.9 2.5 2.6 2.6 2.5 2.98,800cis-1,2-Dichloroethene<0.23 <0.23 <0.23 <0.23 <0.23 <0.22NEtrans-1,2-Dichloroethene<0.32 <0.33 <0.34 <0.33 <0.32 <0.32NEEthanol 678 119 93.5 32.0 56.5 157NEEthyl Acetate 147 1.8<0.37 <0.36 <0.36 <0.356,100Ethylbenzene<0.27 <0.27 <0.28 <0.27 <0.271.1 J4,9004-Ethyltoluene<0.83 <0.85 <0.86 <0.85 <0.83 <0.81NEn-Heptane<0.38 <0.39 <0.40 <0.39 <0.380.67 J35,000n-Hexane 0.53 J<0.40 <0.40 <0.40 <0.391.1 J61,0002-Hexanone 2.2 J<0.68 <0.70 <0.68 <0.67 <0.662,600Methylene Chloride 14.3 6.9 J 6.8 J 6.2 J 5.3 J 21.453,0004-Methyl-2-pentanone (MIBK) 1.9 J<0.35 <0.36 <0.35 <0.34 <0.34260,000Naphthalene<2.531.3 26.3<2.511.1 13.32602-Propanol 44.8 10.6 7.5 7.6 4.9 9.918,000Propylene 0.49 J 0.94<0.200.50 J 0.80<0.19260,000Styrene<0.83 <0.85 <0.86 <0.85 <0.83 <0.8188,000Tetrachloroethene 143 9.5 8.8 86.9 0.78 J 14.53,500Toluene 3.0 9.5 9.7 1.9 1.6 20.1440,000Trichloroethene<0.43 <0.44 <0.45 <0.44 <0.43 <0.42180Trichlorofluoromethane 5.6 9.6 9.4 19.8 1.5 J 4.4NE1,1,2-Trichlorotrifluoroethane<0.50 <0.51 <0.52 <0.51 <0.50 <0.49440,0001,2,4-Trimethylbenzene 0.73 J 0.76 J 0.71 J<0.62 <0.61 <0.595,3001,3,5-Trimethylbenzene 0.90 J<0.49 <0.50 <0.49 <0.48 <0.475,300Vinyl Acetate<0.34 <0.35 <0.36 <0.35 <0.34 <0.3418,000Xylene (total)<0.66 <0.67 <0.68 <0.67 <0.66 <0.648,800DEQ Cumulative Risk Calculator2Acceptable Risk LevelLICR (worst-case)<1 x 10-4 Non-Carcinogenic HI (worst-case)<1.0Notes:1) NC Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-slab and Exterior Soil Gas Screening Levels (SGSLs) (February 2018) 2) NC DEQ DWM Cumulative Risk Calculator dated July 2020.Compound concentrations are reported in micrograms per cubic meter (μg/m3)Compound concentrations are reported to the laboratory method detection limits.Laboratory analytical method shown in parentheses.VOCs = volatile organic compounds; NE = Not EstablishedLICR = Lifetime Incremental Carcinogenic Risk; HI = Hazard IndexCumulative LICR and HI calculated using the worst-case scenario and compared to DEQ and EPA acceptable risk levels for carcinogenic and non carcinogenic risks.J = compound was detected above the laboratory method detection limit, but below the laboratory reporting limit resulting in a laboratory estimated concentration.0.038Non-Residential SGSLs (1)Central Building AreaMP-2/MP-DUP-15/4/2020µg/m39.8 x 10-7S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\Installation Completion Report\Post Construction Sampling\Tables\Post Construction Sampling (WPP-005) Data Tables11/20/2020Table 1 (Page 1 of 1)Hart & Hickman, PC Table 2Summary of Indoor Air Analytical DataChadbourn Mill - Mill BuildingCharlotte, North CarolinaH&H Job No. WPP-005Sample LocationNorthern Corner Eastern Corner Western Stairwell Southern Corner BackgroundSample IDIAS-1 IAS-3 IAS-4 IAS-6 BAS-1Date5/24/2020 5/24/2020 5/24/2020 5/24/2020 5/24/2020UnitsVOCs (TO-15)Acetone 104 141 105 95.4 65.6 106 15.427,0002-Butanone (MEK) 298 326 306 280 357 328 5.74,400Carbon disulfide 0.41 J 0.39 J 0.40 J 0.37 J 0.82 J 0.42 J<0.17610Carbon tetrachloride<0.41 <0.40 <0.38 <0.40 <0.38 <0.40 <0.402.0Cyclohexane<0.243.9<0.22 <0.23 <0.22 <0.230.47 J5,3001,4-Dichlorobenzene<1.2 <1.1 <1.1 <1.1 <1.1 <1.1 <1.11.1Dichlorodifluoromethane 1.6 1.6 J 1.6 1.7 1.8 1.8 1.888Ethanol 77.7 82.9 79.5 78.6 52.8 82.1 8.5NEEthyl Acetate 32.1<0.2932.8 32.9<0.2733.4<0.2961Ethylbenzene 1.9 2.0 2.0 1.9 1.9 2.0 0.28 J4.9n-Heptane<0.32 <0.315.1<0.31 <0.29 <0.31 <0.31350n-Hexane 1.5 3.9 1.5 1.4 2.1 1.5 0.86 J6102-Hexanone 4.1 J 5.9 J 2.8 J 2.4 J 1.4 J 2.9 J<0.5326Methylene Chloride<1.5 <1.4 <1.4 <1.4 <1.4 <1.4 <1.45304-Methyl-2-pentanone (MIBK) 1.4 J 2.3 J 1.2 J 1.2 J 0.82 J 1.8 J<0.272,600Naphthalene6.9 5.9 7.0 7.4 6.4 7.6<2.00.362-Propanol 7.1 13.2 6.8 6.9 5.7 7.3 1.1 J180Propylene<0.167.6<0.15 <0.15 <0.15 <0.15 <0.152,600Tetrachloroethene<0.431.0 J<0.40 <0.42 <0.40 <0.42 <0.4235Toluene 100 100 103 100 65.7 104 2.74,400Trichlorofluoromethane<0.37 <0.36 <0.34 <0.36 <0.34 <0.36 <0.36NE1,2,4-Trimethylbenzene 1.7 1.5 J 1.5 1.5 J 1.7 1.6<0.48531,3,5-Trimethylbenzene 0.52 J 0.49 J 0.52 J 0.50 J 0.56 J 0.55 J<0.3953DEQ Cumulative Risk Calculator2Acceptable Risk LevelsLICR (worst-case)<1 x 10-4 Non-Carcinogenic HI (worst-case) <1.0Notes:1) NC Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Indoor Air Screening Levels (IASLs) (February 2018) based upon LICR = 1 x 10-6 and HI = 0.2.2) NC DEQ DWM Cumulative Risk Calculator dated July 2020.Compound concentrations are reported in micrograms per cubic meter (μg/m3)Compound concentrations are reported to the laboratory method detection limitsBold indicates concentration exceeds Non-Residential IASL Laboratory analytical methods are shown in parenthesesVOCs = volatile organic compounds; NE= Not EstablishedLICR = Lifetime Incremental Carcinogenic Risk; HI = Hazard IndexCumulative LICR and HI calculated using the worst-case scenario and compared to DEQ and EPA acceptable risk levels for carcinogenic and non carcinogenic risks.J = compound was detected above the laboratory method detection limit but below the laboratory reporting limit resulting in a laboratory estimated concentration2.1 x 10-50.79µg/m3Non-Residential IASLs (1)Central Building AreaIAS-2/IAS-DUP5/24/2020S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\Installation Completion Report\Post Construction Sampling\Tables\Post Construction Sampling (WPP-005) Data Tables11/20/2020Table 2 (Page 1 of 1)Hart & Hickman, PC 0 2000 4000 APPROXIMATE SCALE IN FEETN U.S.G.S. QUADRANGLE MAP QUADRANGLE 7.5 MINUTE SERIES (TOPOGRAPHIC) CHARLOTTE EAST, NORTH CAROLINA 1991 TITLE PROJECT SITE LOCATION MAP CHADBOURN MILL - MILL BUILDING451 JORDAN PLACE CHARLOTTE, NORTH CAROLINA DATE: JOB NO: REVISION NO: FIGURE: 7-19-19 0 1WPP-005 SITE REVISION NO. 0 JOB NO. WPP-005 DATE: 8-5-20 FIGURE NO. 2 CHADBOURN MILL - MILL BUILDING 451 JORDAN PLACE CHARLOTTE, NORTH CAROLINA SITE MAP LEGEND SITE PROPERTY BOUNDARY CHADBOURN MILL BROWNFIELDSPROPERTY BOUNDARY UNNAMED CREEK LYNX BLUE LINE LIGHT RAIL 2923 South Tryon Street-Suite 100 Charlotte, North Carolina 28203 704-586-0007(p) 704-586-0373(f) License # C-1269 / #C-245 Geology UPFIT MILL BUILDING N. BREV A R D STREET RESIDENTIAL DUKE POWERSUBSTATION NEESE SAUSAGE COMPANY (2604 N. DAVIDSON STREET) JORDA N P L A C E CHARLE S A V E N U E N. DAVIDSON STREETMA TH E SON AVEN U E RESIDENTIAL WAREHOUSE NOTES: 1. AERIAL IMAGERY OBTAINED FROM GOOGLE EARTH (2018). 2. VIMS IN THE FORMER BOILER BUILDING TO BE INSTALLEDDURING FUTURE PHASES OF CONSTRUCTION. RESIDENTIALCONSTRUCTION CHARLE S A V E N U E FILLING STATION / AUTO REPAIR(1950s TO PRESENT) FORMER BOILER BUILDING SMOKESTACK VIMS INSTALLED S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\Figures\Site Map - Ph.I.dwg, 8/5/2020 12:24:47 PM, amckenzie Appendix A Historical Data Summary Tables and Sample Location Maps Table 1 (Page 1 of 2)Summary of Sub-Slab Vapor Analytical Data Chadbourn Mill451 Jordan PlaceCharlotte, North CarolinaH&H Job No. FAI-028AcetoneBenzene1,3-Butadiene2-Butanone (MEK)Carbon DisulfideCarbon TetrachlorideChloroform1,3-Dichlorobenzene1,4-DichlorobenzeneDichlorodifluoromethane(Freon 12)1,1-Dichloroethanecis-1,2-Dichloroethylenetrans-1,2-DichloroethyleneEthanolEthylbenzene4-EthyltolueneHeptaneHexaneSV-0109/28/1642 4.2 2.1 3.4 J 1.6 J 0.33 J 6.8 0.46 J 2.7 1.2 0.40 J 9.5 0.40 J 120 0.33 J<0.981.7 6.7 JSV-0209/28/16100 1.1<0.2211 J<3.12.3<0.490.93 15 1.5 L-03<0.40 <0.40 <0.40130 2.4 1.3 1.5 4.2 JSV-0309/28/16150 J 8.1<4.412 J<62 <13 <9.8 <12170<9.9 <8.1 <7.9 <7.9410 3.1 J 3.3 J<8.297 J220,000 120 14 3,500 4,900 160 41 NS 85 700 580 NS NS NS 370 NS 2,800 4,9002,700,000 1,600 180 440,000 61,000 2,000 530 NS 1,100 8,800 7,700 NS NS NS 4,900 NS 35,000 61,000Notes:1)North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Residential Sub-slab and Exterior Soil Gas Screening Levels (SGSLs) (March 2016)2)North Carolina DEQ DWM Non-Residential SGSLs (March 2016)Bold indicates concentration exceeds DWM Residential SGSL (March 2016)Underline indicates concentration exceeds DWM Non-Residential SGSL (March 2016)Only compounds detected in at least one sample shownµg/m3 = micrograms per cubic meter; NS = Not SpecifiedJ = detected concentration is above the laboratory method detection limit, but below the laboratory calibrated reporting limit. Therefore, the reported concentration is an estimated value.V-06 = continuing calibration did not meet method specifications and value is biased on the high side. L-03 = laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this compound is likely to be biased on the low side.Sampling Date Analytical MethodTO-15µg/m3Residential Sub-Slab Screening Level (1)Non-Residential Sub-Slab Screening Level (2)Sample IDFile: S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\VI Data TablesVI Data TablesDate: 4/19/2018Table 1 (Page 1 of 2)Hart & Hickman, PC Table 1 (Page 2 of 2)Summary of Sub-Slab Vapor Analytical Data Chadbourn Mill451 Jordan PlaceCharlotte, North CarolinaH&H Job No. FAI-0282-Hexanone (MBK)IsopropanolMethylene Chloride4-Methyl-2-pentanone (MIBK)NaphthalenePropene (Propylene)StyreneTetrachloroethene (PCE)Toluene1,1,1-TrichloroethaneTrichloroethyleneTrichlorofluoromethane (Freon 11)1,1,2-Trichloro-1,2,2-trifluoroethane1,2,4-Trimethylbenzene1,3,5-TrimethylbenzeneXylene, m- & p-Xylene, o-SV-0109/28/16<0.823.0 J 2.7 J<0.822.0 26 L-05, V-06 0.51 J 13 1.8 3.12,5001.4 J 0.61 J 0.92 J<0.980.71 J 0.42 JSV-02 09/28/16 1.7 6.5 J 1.2 J 0.61343.1 J, V-06 3.6 69 110 0.19 J 0.31 J 33 0.86 J 2.7 1.0 2.7 1.7SV-03 09/28/16<8.28.6 J<69 <8.26,000<1402.4 J 11 J 250<11 <114.9 J<6123 8.8 J 14 J 6.3 J210 1,400 4,200 21,000 21 21,000 7,000 280 35,000 34,800 14 NS 35,000 420 420 700 7002,600 18,000 53,000 260,000 260 260,000 88,000 3,500 440,000 438,000 180 NS 440,000 5,300 5,300 8,800 8,800Notes:1)North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Residential Sub-slab and Exterior Soil Gas Screening Levels (SGSLs) (March 2016)2)North Carolina DEQ DWM Non-Residential SGSLs (March 2016)Bold indicates concentration exceeds DWM Residential SGSLs (March 2016)Underline indicates concentration exceeds DWM Non-Residential SGSL (March 2016)Only compounds detected in at least one sample shownµg/m3 = micrograms per cubic meter; NS = Not SpecifiedJ = detected concentration is above the laboratory method detection limit, but below the laboratory calibrated reporting limit. Therefore, the reported concentration is an estimated value.V-06 = continuing calibration did not meet method specifications and value is biased on the high side. L-03 = laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this compound is likely to be biased on the low side.µg/m3Sampling Date Analytical MethodSample IDNon-Residential Sub-slab Screening Level (2)Residential Sub-slab Screening Level (1)TO-15File: S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\VI Data TablesVI Data TablesDate: 4/19/2018Table 1 (Page 2 of 2)Hart & Hickman, PC Table 2 (Page 1 of 2)Summary of Indoor and Ambient Air Analytical Data Chadbourn Mill451 Jordan PlaceCharlotte, North CarolinaH&H Job No. FAI-028AcetoneBenzene2-Butanone (MEK)Carbon DisulfideCarbon TetrachlorideChloroformChloromethane1,4-DichlorobenzeneDichlorodifluoromethane(Freon 12)EthanolEthyl AcetateEthylbenzene4-EthyltolueneHeptaneHexane2-Hexanone (MBK)IsopropanolIAS-1 Boiler Building 09/30/1612.0 0.36 1.5 J<1.10.43 0.069 J 1.3 0.068 J 0.67 L-03 5.5<0.130.13 J 0.066 J 0.57 0.90 J 0.33 0.77 JIAS-2 Mill Building 01/27/17NA NA NA NA NA NA NA<0.21NA NA NA NA NA NA NA NA NAIAS-3 Mill Building 01/27/17NA NA NA NA NA NA NA 0.068 J NA NA NA NA NA NA NA NA NABAS-1 Upwind 09/30/1617.0 0.41 2.2 J 0.76 J 0.42 0.075 J 1.3 0.82 0.70 L-03 8.0 0.63 0.17 0.090 J 0.29 0.67 J 0.34 1.1 JBAS-2 Upwind 01/27/17NA NA NA NA NA NA NA<0.21NA NA NA NA NA NA NA NA NA6,500 3.6 1,000 150 4.7 1.2 19 2.6 21 NS 15 11 NS 83 150 6.3 4227,000 16 4,400 610 20 5.3 79 11 88 NS 61 49 NS 350 610 26 180Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Residential Indoor Air and Crawlspace Screening Levels (IASLs) (February 2018)2) North Carolina DEQ DWM Non-Residential IASLs (October 2016)Only compounds detected in at least one sample shownBold indicates concentration exceeds DWM Residential Indoor Air Screening Level (October 2016 table)Underline indicates concentration exceeds DWM Residential and Non-Residential Indoor Air Screening Level (February 2018)µg/m3 = micrograms per cubic meter; NS = Not Specified; NA = Not AnalyzedJ = detected concentration is above the laboratory method detection limit, but below the laboratory reporting limit. Therefore, the reported concentration is an estimated value.V-06 = continuing calibration did not meet method specifications and value is biased on the high side. L-03 = laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this compound is likely to be biased on the low side.Residential Indoor Air and Crawlspace Screening Level (1)(TCR = 1 x 10-5 and THQ = 0.2)TO-15Sample IDSampling Date Sample Locationµg/m3Non-Residential Indoor Air and Crawlspace Screening Level (2)(TCR = 1 x 10-5 and THQ = 0.2)Analytical MethodFile: S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\VI Data TablesVI Data TablesDate: 4/19/2018Table 2 (Page 1 of 2)Hart & Hickman, PC Table 2 (Page 2 of 2)Summary of Indoor and Ambient Air Analytical Data Chadbourn Mill451 Jordan PlaceCharlotte, North CarolinaH&H Job No. FAI-028Methylene Chloride4-Methyl-2-pentanone (MIBK)NaphthalenePropene (Propylene)StyreneTetrachloroethene (PCE)TolueneTrichloroethylene (TCE)Trichlorofluoromethane (Freon 11)1,1,2-Trichloro-1,2,2-trifluoroethane1,2,4-Trimethylbenzene1,3,5-TrimethylbenzeneVinyl AcetateXylene, m- & p-Xylene, o-IAS-1 Boiler Building 09/30/160.64 J<0.140.19 0.73 J, V-06 0.057 J 0.15 J 0.79 0.20 1.1 0.52 J 0.21 0.059 J 1.8 J, L-03 0.42 0.17IAS-2 Mill Building 01/27/17NA NA0.87NA NA NA NA NA NA NA NA NA NA NA NAIAS-3 Mill Building 01/27/17NA NA3.0NA NA NA NA NA NA NA NA NA NA NANABAS-1 Upwind 09/30/160.74 J 0.098 J 0.3<2.40.32 0.45 0.95<0.191.1 0.52 J 0.35 0.10 J 2.6 L-03 0.60.26BAS-2 Upwind 01/27/17NA NA 0.16 J NA NA NA NA NA NA NA NA NA NA NANA130 630 0.63630 210 8.3 1,000 0.42 NS 1,000 13 13 422121530 2,600 2.62,600 880 35 4,400 1.8 NS 4,400 53 53 175 8888Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Residential Indoor Air and Crawlspace Screening Levels (IASLs) (October 2016)2) North Carolina DEQ DWM Non-Residential IASLs (October 2016)Only compounds detected in at least one sample shownBold indicates concentration exceeds DWM Residential Indoor Air Screening Level (October 2016 table)Underline indicates concentration exceeds DWM Residential and Non-Residential Indoor Air Screening Level (October 2016 table)µg/m3 = micrograms per cubic meter; NS = Not Specified; NA = Not AnalyzedJ = detected concentration is above the laboratory method detection limit, but below the laboratory reporting limit. Therefore, the reported concentration is an estimated value.V-06 = continuing calibration did not meet method specifications and value is biased on the high side. L-03 = laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this compound is likely to be biased on the low side.Analytical MethodResidential Indoor Air and Crawlspace Screening Level (1)(TCR = 1 x 10-5 and THQ = 0.2)TO-15Sample Locationµg/m3Non-Residential Indoor Air and Crawlspace Screening Level (2)(TCR = 1 x 10-5 and THQ = 0.2)Sample IDSampling Date File: S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\VI Data TablesVI Data TablesDate: 4/19/2018Table 2 (Page 2 of 2)Hart & Hickman, PC SV-03 SV-02 SV-01 IAS-1IAS-3 IAS-2 LEGEND SITE PROPERTY BOUNDARY LITTLE SUGAR CREEK SUB-SLAB VAPOR SAMPLE INDOOR AIR SAMPLE JOB NO. WPP-005 REVISION NO. 0DATE: 4-25-19 FIGURE NO. 2 CHADBOURN MILL 451 JORDAN PLACE CHARLOTTE, NORTH CAROLINA SUB-SLAB VAPOR AND INDOOR AIR SAMPLE LOCATION MAP N. B R E V A R D ST R E ET JO RD A N P L A C E MATHESON AVENUEN. DAVIDSON STREETCHARL E S A V E N U E NOTES: 1.AERIAL IMAGERY OBTAINED FROM MECKLENBURG COUNTY GIS (2014). 2.SAMPLE LOCATIONS ESTIMATED IN THE FIELD WITH A TRIMBLE GEOXT HAND HELD GPS UNIT. REMAINING PORTION OF MILL BUILDING TO BE RENOVATED BOILER BUILDING AND SMOKESTACK TO REMAIN ORIGINAL 1930s MILL BUILDING 2923 South Tryon Street-Suite 100 Charlotte, North Carolina 28203 704-586-0007(p) 704-586-0373(f) License # C-1269 / #C-245 Geology 451 JORDAN PLACE S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\Figures\Sample Location Map.dwg, FIG 2, 4/19/2018 11:00:40 AM, erichardson Appendix B Product Specifications TURBINE VENTILATORS CONSTRUCTION SPECIFICATIONS “A” THROAT SIZE GUAGE NO. OF BRACES BRACE MATERIALCROWN GALV.BLADE GALV.THROAT GALV. 4 24 28 26 3 ALUMINUM 6 24 28 26 3 ALUMINUM 8 24 28 26 3 ALUMINUM 10 24 28 26 3 ALUMINUM 12 24 28 24 3 ALUMINUM 14 22 26 24 3 ALUMINUM 16 22 26 24 3 STEEL 18 22 26 24 4 STEEL 20 20 26 24 4 STEEL 24 20 26 22 4 STEEL DIMENSIONAL AND PERFORMACE DATA “A” THROAT SIZE “B” HEIGHT “C” OVERALL WIDTH EXHAUSTED CAPACITY* APPROX. SHIPPING WEIGHT 4 12 10 1/4 125 5 6 14 1/2 12 3/4 147 7 8 15 14 1/4 255 8 10 16 1/4 16 1/4 425 11 12 17 19 631 13 14 19 3/4 22 3/4 700 21 16 21 3/4 25 1/2 950 31 18 24 29 1200 38 20 25 1/4 31 5/8 1700 46 24 28 1/4 35 3/4 2350 58 *4 MPHWIND CFM P1 OF 2 STEGOCRAWL® WRAP15-MIL VAPOR BARRIER A STEGO INDUSTRIES, LLC INNOVATION | VAPOR RETARDERS 07 26 00 | VERSION: OCT 31, 2018 1. PRODUCT NAME STEGOCRAWL WRAP 15-MIL VAPOR BARRIER 2. MANUFACTURER Stego® Industries, LLC 216 Avenida Fabricante, Suite 101 San Clemente, CA 92672 Sales, Technical Assistance Ph: (877) 464-7834 contact@stegoindustries.com www.stegoindustries.com 3. PRODUCT DESCRIPTION TABLE 1: PHYSICAL PROPERTIES OF STEGOCRAWL WRAP 15-MIL VAPOR BARRIER PROPERTY TEST RESULTS Under Slab Vapor Retarders ASTM E1745 – Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs ASTM E1745 compliant Water Vapor Permeance ASTM F1249 – Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor < 0.01 perms Permeance After Conditioning ASTM E154 Section 8, F1249 – Permeance after wetting, drying, and soaking (ASTM E1745 ASTM E154 Section 11, F1249 – Permeance after heat conditioning Sections 7.1.2 - 7.1.5) ASTM E154 Section 12, F1249 – Permeance after low temperature conditioning ASTM E154 Section 13, F1249 – Permeance after soil organism exposure < 0.01 perms Methane Transmission Rate ASTM D1434 – Test Method for Determining Gas Permeability Characteristics of *149.0 GTR Plastic Film and Sheeting (mL(STP)/m2*day) Radon Diffusion Coefficient K124/02/95 8.5 x 10-12 m2/second Puncture Resistance ASTM D4833 – Test Method for Index Puncture Resistance of Geotextiles, Geomembranes, and Related Products 203.8 newtons Flame Spread (ASTM E1745 Section 7.4.1) ASTM E154 Section 16, based on ASTM E84-09b Class A Thickness 15 mil Roll Dimensions width x length or area: 14' x 100' or 1,400 ft2 width x length or area: 5' x 200' or 1,000 ft2 Roll Weight 100 lb or 69 lb respectively Note: perm unit = grains/(ft2*hr*in-Hg) *GTR = Gas Transmission Rate USES: StegoCrawl Wrap 15-Mil Vapor Barrier is a Class I vapor retarder as defined by the 2009 IRC R601.3, and it is used to encapsulate crawl space floors and walls to protect the building envelope from moisture vapor and soil gas transmission. COMPOSITION: StegoCrawl Wrap is a multi-layer plastic extrusion manufactured with only the highest grade of prime, virgin polyolefin resins. ENVIRONMENTAL FACTORS: StegoCrawl Wrap can be used in systems for the control of soil gases (radon, methane), soil poisons (oil by-products) and sulfates. 4. TECHNICAL DATA Continued... Note – legal notice on page 2. STEGOCRAWL® WRAP15-MIL VAPOR BARRIER A STEGO INDUSTRIES, LLC INNOVATION | VAPOR RETARDERS 07 26 00 | VERSION: OCT 31, 2018 DATA SHEETS ARE SUBJECT TO CHANGE. FOR MOST CURRENT VERSION, VISIT WWW.STEGOINDUSTRIES.COM (877) 464-7834 | www.stegoindustries.com Stego, the stegosaurus design logo[s], Crete Claw, StegoTack, StegoCrawl, Beast, and the Beast design logo are all deemed to be registered and/or protect- able trademarks or service marks of Stego Industries, LLC. © 2018 Stego Industries, LLC. All Rights Reserved. Please see www.stegoindustries.com/legal. 5. INSTALLATION CRAWL SPACE: Unroll StegoCrawl Wrap over entire crawl space floor. Overlap seams a minimum of six inches and seal with StegoCrawl® Tape. Some codes require a minimum of a twelve inch overlap. Check appropriate codes prior to installation. All penetrations and columns must be sealed using a combination of StegoCrawl Wrap and Stego Accessories. Install StegoCrawl Wrap up the foundation wall. Fasten and seal using Stego Accessories. Consult local building codes to determine the height at which to terminate StegoCrawl Wrap. For additional information, please refer to StegoCrawl’s complete installation instructions. 6. AVAILABILITY & COST For cost and availability of StegoCrawl Wrap, please contact your local Stego Industries' Sales Representative. 7. WARRANTY Stego Industries, LLC believes to the best of its knowledge, that specifications and recommendations herein are accurate and reliable. However, since site conditions are not within its control, Stego Industries does not guarantee results from the use of the information provided herein. Stego Industries, LLC does offer a limited warranty on StegoCrawl Wrap. Please see www.stegoindustries.com/legal. 8. MAINTENANCE Periodically check to ensure seams are secure and damage is repaired using StegoCrawl Accessories. 9. TECHNICAL SERVICES Technical advice, custom CAD drawings, and additional information can be obtained by contacting Stego Industries or by visiting the website. Email: contact@stegoindustries.com Contact Number: (877) 464-7834 Website: www.stegoindustries.com 10. FILING SYSTEMS • www.stegoindustries.com P2 OF 2 WATERPROOFING SCIENCE. SERVICE. SOLUTIONS. MIRADRI® 860/861 Carlisle Coatings & Waterproofi ng 900 Hensley Lane | Wylie, TX 75098 | 800.527.7092 | www.carlisleccw.com Description CCW MiraDRI 860/861 is a self-adhering sheet membrane consisting of 56 mils (1.4 mm) of rubberized asphalt laminated to 4 mils (0.1 mm) of polyethylene to form a minimum 60-mil (1.5 mm) membrane. The combination of these two excellent waterproofi ng materials provides a high-performance, extremely durable waterproofi ng barrier. MiraDRI 860/861 is suitable for installations where the ambient temperature is 40°F (4.4°C) or above. MiraDRI 860-861 can be used for applications between 25°F (-3.9°C) and 40°F (4.4°C) if the product is stored in a heated area until use and the laps are treated with CCW contact adhesive. MiraDRI 860/861 membrane is used for vertical and horizontal waterproofi ng on structural foundation walls and decks. Below-grade foundation walls, tunnels, split slabs, plaza decks and parking decks are all areas where MiraDRI 860/861 may be applied. MiraDRI 860/861 also may be used in interior areas such as mechanical rooms, laboratories, kitchens and bathrooms. MiraDRI 860/861 should be covered with either CCW 200V/300HV Protection Course, CCW Protection Board, or CCW MiraDRAIN® drainage composites. Installation Temperature: Typical installation of MiraDRI 860/861 can be performed when ambient and substrate temperatures are 40°F and above. Installations below 40°F are best addressed with MiraDRI 860 ULT (ultra low temperature adhesive formula). However, installation between 25°F - 40°F may be performed if the MiraDRI 860/861is stored in a heated area until use and the laps are treated with CCW contact adhesive. Consult your local CCW Technical Representative and the MiraDRI 860 ULT product data sheet for further information. Preparation: Do not apply MiraDRI 860/861 to frozen or wet substrates. The membrane should not be left exposed to direct sunlight for longer than 14 days. MiraDRI 860/861 can be applied to concrete, metal, wood, insulated wall systems or masonry surfaces. All substrates must be clean, dry and free of surface irregularities. Concrete Substrates: Structural concrete must be cured a minimum of 7 days and lightweight structural concrete must cure a minimum of 14 days before the application of MiraDRI 860/861. Repair surfaces that are not structurally sound or have voids, protrusions, rough spalled areas, loose aggregate or exposed course aggregate. Any voids exceeding ¼" in width should be fi lled with latex Portland cement, concrete or epoxy concrete and troweled smooth to match the existing surface. Protrusions and other rough areas should be broken off and patched as above. CCW LM 800XL, CCW 201, or CCW 703V may be used to fi ll small voids, honeycombs or bug holes. Masonry Substrate: Apply MiraDRI 860/861 waterproofi ng over concrete block with smooth trowel-cut mortar joints or rough surfaces prepared with a parge coat. Allow the parge coat to dry before priming and installing the MiraDRI 860/861 waterproofi ng membrane. Chemical Additives: Concrete shall be cured by water curing method. Any curing compounds must be of the pure sodium silicate type or clear resin-based materials without waxes, oils or pigments and be approved by the Carlisle representative. Form release agents must not transfer to the concrete. Remove forms as soon as possible from below horizontal slabs to prevent entrapment of excess moisture. Excess moisture may lead to blistering of the membrane. Curing compounds or form release agents that adversely affect theadherence of the MiraDRI 860/861 waterproofi ng membrane must be removed from the substrate prior to application. Priming: All concrete, metal, masonry, wood and sheathing substrates require CCW Contact Adhesive. Insulated concrete forms require a water-based CCW Contact Adhesive. Carlisle Coatings & Waterproofi ng recommends an adhesion test of the MiraDRI 860/861 on any bare substrate to verify proper adhesion. Apply the appropriate CCW Contact Adhesive at the specifi ed coverage rate. Apply Contact Adhesive with a lambswool roller, brush or spray apparatus. Allow Contact Adhesive to dry for a minimum of 30 minutes. The CCW Contact Adhesive will dry to a tacky fi nish. Areas primed with a CCW Contact Adhesive but not covered with MiraDRI 860/861 within the same day must be re-primed. When installing CCW sheet membranes and sheet fl ashings over gyp- sheathing with glass-mat facers, coverage rates for contact adhesives and primers will depend on the porosity and texture of the sheathing and will vary substantially by gypsum-sheathing brand and manufacturer. To achieve consistent contact adhesive and/or primer coverage with adequate tack, it may be necessary to decrease the coverage rate (i.e. increase the amount applied) of the contact adhesive and/or primer and/ or the application of multiple coats. CCW Contact adhesives and primers shall be allowed to dry completely (lower temperatures will extend drying time) before additional coats are applied or membrane installed. Caution should be taken as contact adhesives and/or primers applied to SCIENCE. SERVICE. SOLUTIONS. WATERPROOFING MIRADRI 860/861 gyp-sheathings with glass-mat facers will take longer to dry than other substrates. Multiple adhesion tests should be performed randomly to verify proper application of primer and ensure a successful application. Detailing: All vertical-to-horizontal transitions must have a ¾" (19.05 mm) fi llet of CCW LM-800XL, CCW-201 Sealant or CCW-703V Liquiseal. Allow CCW-LM-800XL to cure 1 hour, CCW-703V to cure 4 hours, CCW-201 to cure 16 hours before covering with the MiraDRI 860/861 membrane. All inside and outside corners, as well as the vertical-to- horizontal transitions, should have a minimum 9" detail strip of MiraDRI 860/861 installed prior to the fi eld membrane of MiraDRI 860/861. The MiraDRI 860/861 Membrane Strip should be centered on corners, joints, cracks and transitions. After fi eld membrane is installed, a sealant bead of CCW LM-800XL, CCW-704, CCW-201, or CCW-703V should all be placed over all laps at the footing/wall transition extending a minimum of 9" up the wall and 9" out over the footing. Refer to the standard detail drawings for specifi c detail instructions. Vertical Installation Start at the low point and work towards the high point. Remove 6"–8" (150–200 mm) of the release paper, and then begin applying the membrane. Press and smooth the membrane against the substrate while pulling the release paper free. Roll entire membrane and laps with a hard rubber hand roller. Install membrane with side laps overlapped a minimum of 2½" (63 mm) and end laps a minimum of 5" (127 mm). CCW recommends that the membrane be rolled in place immediately after its placement to ensure full adhesion to the primed substrate. Apply a bead of CCW 704, CCW LM 800XL, or CCW 703V Liquiseal at terminations, cut edges, T-joints, drains, penetrations. CCW 704 Mastic should not be installed on the underside of CCW Miradri 860/861. For walls over 8’ (240 cm), the membrane should be placed in lifts. Protect the MiraDRI 860/861 membrane with the appropriate CCW MiraDRAIN drainage composite, CCW 200V/300HV Protection Course, or CCW Protection Board V. Horizontal Installation Start at the low point (establish a starting point with a chalk line if necessary) and work towards the high point in shingle fashion. Remove 2'–3' (60 –90 cm) of the release paper and apply the membrane to the substrate. Continue pulling the release paper free while pressing and smoothing the membrane against the substrate. Apply in a straight line avoiding wrinkles and over-correcting. Roll the membrane with a minimum 75-lb. (34 kg) linoleum roller. Install membrane with side laps overlapped a minimum of 2½" (63 mm) and end laps a minimum of 5" (127 mm). Apply a bead of CCW-704 Mastic at all terminations of the membrane and T-joints. Apply a ¾" (19.05 mm) fi llet of CCW LM 800XL, CCW 201, or CCW 703V Liquiseal in all inside corners of planter boxes, shower stalls and shower pans. Patch inadequately lapped seams and damaged areas with MiraDRI 860/861 membrane covering the damaged area by a minimum of 6" (150 mm). “Fish-mouths” and severe wrinkles should be slit, fl aps overlapped and repaired as above. Protect the MiraDRI 860/861 membrane with the appropriate CCW MiraDRAIN drainage composite or CCW 300HV Protection Course. Detail Requirements: For standard installation details follow the MiraDRI 860/861 details drawings. For non-standard installation instructions contact your local CCW representative. Limitations Do not apply where membrane will be subject to continuous exposure to sunlight. The membrane should not be left exposed to direct sunlight for longer than 14 days. Do not apply primer or membrane to a damp, frosty, frozen, or contaminated surface. Not recommended as a pond or tank liner except for between-slab applications. Do not apply over sealants containing coal tar or polysulfi des. In the event of existing bitumen-modifi ed materials, consult your CCW representative. Warnings and Hazards CCW Contact Adhesives, Mastics and Sealants may contain fl ammable and combustible solvents. Avoid exposure to open fl ame or spark. Avoid breathing vapors. Use only in areas with adequate ventilation. Refer to MSDS for important warnings and product information. Product Size/Weight CCW MiraDRI 860/861 36" wide x 67' roll (200 ft²) 25 rolls/pallet (5000 ft²) Weight = 80 lb/roll (approx.) CCW-702LV VOC-Compliant Solvent Base Contact Adhesive 5-gallon pails (45 pails/pallet) CCW-702WB Water Base Contact Adhesive 5-gallon pails (45 pails/pallet) CCW-AWP Water Base Contact Adhesive 1-gallon pails (100 pails/pallet) 5-gallon pails (45 pails/pallet) CCW-702 Solvent Base Contact Adhesive 5-gallon pails (45 pails/pallet) CCW-715 Damp Concrete Contact Adhesive 5-gallon pails (45 pails/pallet) CCW-704 Mastic and CCW LM-800XL 30-oz. Qt. Tube (12 tubes/carton) 5-gallon pails (45 pails/pallet) CCW-703V Liquiseal 3.5-gal Part A/0.5-gal Part B (45 lbs/unit) CCW-LM-800XL 5-gallon (19-liter) pails 29-oz. (822-kg) tubes, 12 per box CCW-201 1.5-gallon kit (in 2-gallon pail) Packaging Typical Properties Property Method Results Color — Dark Gray Thickness ASTM D3767 60 mils Tensile (Membrane) ASTM D412 325 psi Tensile (Film) ASTM D882 5000 psi Elongation ASTM D412 350% Permeance ASTM E96 0.05 perms Low Temp. Flexibility¹ASTM D1970 Unaffected Crack Cycling² ASTM C836 Unaffected Peel Strength ASTM D903 10.0 lb/in Lap Adhesion ASTM D1876 19.0 lb/in Puncture Resistance ASTM E154 60 lb (min) Soil Burial at 16 wks GSA-PBS 07121 No effect Water Absorption ASTM D570 0.1% by wt Hydrostatic Head ASTM D5385 230 ft 1 180 deg bend over a 1" (25 mm) mandrel at -45°F (-43°C) 2 100 cycles at -25°F (-32°C) Standards • CCW MiraDRI 860/861 meets the applicable requirements of: –GSA; PBS PCD 07121 –USN; NAVFAC TS-07111 –VA; H-08-1 –Federal Construction Guide Specs; FCGS-07111 –Corps of Engineers; CEGS-07111-3-82 –UL 790, Class A –LA Research Report Number 25094L SCIENCE. SERVICE. SOLUTIONS. WATERPROOFING MIRADRI 860/861 09.14.17 © 2017 Carlisle. REPRINT CODE: 601403 - MIRADRI 860/861Technical Data Sheet Carlisle, MiraDRI and MiraDRAIN are trademarks of Carlisle. Carlisle Coatings & Waterproofi ng 900 Hensley Lane | Wylie, TX 75098 | 800.527.7092 | www.carlisleccw.com Limited Warranty Carlisle Coatings & Waterproofi ng Incorporated (Carlisle) warrants this product to be free of defects in workmanship and materials only at the time of shipment from our factory. If any Carlisle materials prove to contain manufacturing defects that substantially affect their performance, Carlisle will, at its option, replace the materials or refund its purchase price. This limited warranty is the only warranty extended by Carlisle with respect to its materials. There are no other warranties, including the implied warranties of merchantability and fi tness for a particular purpose. Carlisle specifi cally disclaims liability for any incidental, consequential, or other damages, including but not limited to, loss of profi ts or damages to a structure or its contents, arising under any theory of law whatsoever. The dollar value of Carlisle’s liability and buyer’s remedy under this limited warranty shall not exceed the purchase price of the Carlisle material in question. Appendix C VIMS As-Built Drawings Appendix D VIMS Installation Photographs Photograph 2: General view of the sub-slab piping with the vapor barrier installation. WPP-0052923 S. Tryon Street, Suite 100 Charlotte, NC 28203704.586.0007(p) 704.586.0373(f) Photograph 1: General view of the cut outs and gravel pits prior to installation of the sub-slab piping. CHADBOURN MILL451 JORDAN PLACECHARLOTTE, NORTH CAROLINA Photograph 4: Turbine ventilator fans installed at the termination of the riser piping.WPP-0052923 S. Tryon Street, Suite 100 Charlotte, NC 28203704.586.0007(p) 704.586.0373(f) Photograph 3: Vertical riser piping on the second floor running up the column to the roof. CHADBOURN MILL451 JORDAN PLACECHARLOTTE, NORTH CAROLINA Photograph 6: Example of labeled riser piping.WPP-0052923 S. Tryon Street, Suite 100 Charlotte, NC 28203704.586.0007(p) 704.586.0373(f) Photograph 5: Riser penetration at first floor. CHADBOURN MILL451 JORDAN PLACECHARLOTTE, NORTH CAROLINA Appendix E Field Forms Initials________________________ Sub-Slab VIMS Pilot Test Site Address:__________________________________________________________________________ Date: ___________ Test Start Time:___________ Weather:_______________________________ Sub-Slab Test # _______ Location:_______________________________________________________ Time Fan# Suction Point Vacuum (“WC) Fan#Suction Point Vacuum (“WC) Fan# Suction Point Vacuum (“WC) Fan# Suction Point Vacuum (“WC) Observation Point Baseline Pressure Pressure “WC Pressure “WC Pressure “WC Pressure “WC Pressure “WC DP # DP # DP # DP # DP # Comments____________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ AEM, NAH 451 Jordan Place 4/21/20 09:50 sunny, 70s 1 mill building 0.000 -0.022 -0.023 0.000 -0.034 -0.035 0.000 0.000 -0.005 0.000 0.000 0.000 0.000 -0.158 -0.166 Fan F-8 also turned on MP-6 readings: -0.051, -0.044 09:55 10:25 1 5 6 7 1 2 3 4 5 NM NM NM NM NM NM NM NM H&H removed turbine ventilator fans to conduct pilot test. Vacuum measurements were not collected from existing riser PVC. Initials________________________ Sub-Slab VIMS Pilot Test Site Address:__________________________________________________________________________ Date: ___________ Test Start Time:___________ Weather:_______________________________ Sub-Slab Test # _______ Location:_______________________________________________________ Observation Point Baseline Pressure Pressure “WC Pressure “WC Pressure “WC Pressure “WC Pressure “WC MP # MP # MP # OP # OP # Comments____________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ AEM, NAH 451 Jordan Place 4/21/20 10:45 sunny, 70s 2 mill building 0.000 -0.154 -0.159 0.000 -0.018 -0.020 0.000 -0.004 -0.005 10:55 11:05Time Fan# 1Suction Point Vacuum (“WC)  Fan#2 Suction Point Vacuum (“WC) Fan# 3Suction Point Vacuum (“WC) Fan# 4 Suction Point Vacuum (“WC) 2 3 4 NM NM NM NM NM NM NM NM Fans 5 and 6 were also turned on. H&H removed turbine ventilator fans to conduct pilot test. Vacuum measurements were not collected from existing riser PVC. Sub-Slab / Soil Gas Vapor QA/QC Field FormProject No.:____________________Depth of ScreenDate & TimeAmbient Temp.Purge Method Purge VolHelium Conc.ShroudHelium Conc.PurgeLeak Test PassedYes / No SS, SGperm., temp.concrete, wood, asphalt, grass, soil, gravel etc.thicknessinches(if appl.)ft bgsmm/dd/yy 24-hour clockoFsyringe, peristaltic, etc.Liters %% or ppm(indicate units below)Yes / No(see note)S:C:R:S:C:R:S:C:R:S:C:R:S= sample; C/R = canister/regulator; SS = sub-slab; SG = soil gas; perm = permanent; temp = temporarySampler(s): ___________________________________________________________Weather: ___________________________________________________________Notes: ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Helium Leak TestCanister / RegulatorShut-in Test PassedGround SurfaceID NumbersSample / Canister / RegulatorTypeVapor Monitoring Point ConstructionGeneral Field Sketch of Sample Locations Note: Leak Test Requirements Per NC DEQ DWM Vapor Intrusion Guidance, leak test passes if helium concentration in purge air is less than 10% of helium concentration in shroud. S:\BBB Master Templates\Forms - Soil Gas\Sub-slab & Soil Gas QA_QC Field FormSub-Slab / Soil Gas Sampling Vapor QA/QC Field FormHart & Hickman, PCWPP.0055/4/2070.070.070.070.0Sunny, 70sMP-11800Syringe1286MP-2 & MP-DUP-10898 & 30071341 & 1465MP-322721329MP-424811328SSSSSSSSPerm.Perm.Perm.Perm.ConcretConcretConcretConcret09:235/4/2008:465/4/2010:065/4/2009:44SyringeSyringeSyringe3.53.53.53.516.615.119.718.30.00.00.00.0ppmSean Horgan%ppm%ppm%ppm%YesNoYesNoYesNoYesNoYesNoYesNoYesNoYesNo Sub-Slab / Soil Gas Vapor QA/QC Field FormProject No.:____________________Depth of ScreenDate & TimeAmbient Temp.Purge Method Purge VolHelium Conc.ShroudHelium Conc.PurgeLeak Test PassedYes / No SS, SGperm., temp.concrete, wood, asphalt, grass, soil, gravel etc.thicknessinches(if appl.)ft bgsmm/dd/yy 24-hour clockoFsyringe, peristaltic, etc.Liters %% or ppm(indicate units below)Yes / No(see note)S:C:R:S:C:R:S:C:R:S:C:R:S= sample; C/R = canister/regulator; SS = sub-slab; SG = soil gas; perm = permanent; temp = temporarySampler(s): ___________________________________________________________Weather: ___________________________________________________________Notes: ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Helium Leak TestCanister / RegulatorShut-in Test PassedGround SurfaceID NumbersSample / Canister / RegulatorTypeVapor Monitoring Point ConstructionGeneral Field Sketch of Sample Locations Note: Leak Test Requirements Per NC DEQ DWM Vapor Intrusion Guidance, leak test passes if helium concentration in purge air is less than 10% of helium concentration in shroud. S:\BBB Master Templates\Forms - Soil Gas\Sub-slab & Soil Gas QA_QC Field FormSub-Slab / Soil Gas Sampling Vapor QA/QC Field FormHart & Hickman, PCWPP.0055/4/2070.0Sunny, 70sMP-62199Syringe1289SS Perm.Concret10:163.517.40.0ppmSean Horgan%ppm%ppm%ppm%YesNoYesNoYesNoYesNoYesNoYesNoYesNoYesNo Appendix F Laboratory Analytical Reports #=CL# May 11, 2020 LIMS USE: FR - ALEXIS MCKENZIE LIMS OBJECT ID: 92476171 92476171 Project: Pace Project No.: RE: Alexis McKenzie Hart & Hickman 2923 S Tryon Street Suite 100 Charlotte, NC 28203 WPP.005 Dear Alexis McKenzie: Enclosed are the analytical results for sample(s) received by the laboratory on May 05, 2020. The results relate only to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report. The test results provided in this final report were generated by each of the following laboratories within the Pace Network: • Pace Analytical Services - Minneapolis If you have any questions concerning this report, please feel free to contact me. Sincerely, Kevin Godwin kevin.godwin@pacelabs.com Project Manager 1(704)875-9092 Enclosures REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 1 of 19 #=CP# CERTIFICATIONS Pace Project No.: Project: 92476171 WPP.005 Pace Analytical Services Minneapolis A2LA Certification #: 2926.01 Alabama Certification #: 40770 Alaska Contaminated Sites Certification #: 17-009 Alaska DW Certification #: MN00064 Arizona Certification #: AZ0014 Arkansas DW Certification #: MN00064 Arkansas WW Certification #: 88-0680 California Certification #: 2929 CNMI Saipan Certification #: MP0003 Colorado Certification #: MN00064 Connecticut Certification #: PH-0256 EPA Region 8+Wyoming DW Certification #: via MN 027- 053-137 Florida Certification #: E87605 Georgia Certification #: 959 Guam EPA Certification #: MN00064 Hawaii Certification #: MN00064 Idaho Certification #: MN00064 Illinois Certification #: 200011 Indiana Certification #: C-MN-01 Iowa Certification #: 368 Kansas Certification #: E-10167 Kentucky DW Certification #: 90062 Kentucky WW Certification #: 90062 Louisiana DEQ Certification #: 03086 Louisiana DW Certification #: MN00064 Maine Certification #: MN00064 Maryland Certification #: 322 Massachusetts Certification #: M-MN064 Massachusetts DWP Certification #: via MN 027-053-137 Michigan Certification #: 9909 Minnesota Certification #: 027-053-137 Minnesota Dept of Ag Certifcation #: via MN 027-053-137 Minnesota Petrofund Certification #: 1240 Mississippi Certification #: MN00064 Missouri Certification #: 10100 Montana Certification #: CERT0092 Nebraska Certification #: NE-OS-18-06 Nevada Certification #: MN00064 New Hampshire Certification #: 2081 New Jersey Certification #: MN002 New York Certification #: 11647 North Carolina DW Certification #: 27700 North Carolina WW Certification #: 530 North Dakota Certification #: R-036 Ohio DW Certification #: 41244 Ohio VAP Certification #: CL101 Oklahoma Certification #: 9507 Oregon Primary Certification #: MN300001 Oregon Secondary Certification #: MN200001 Pennsylvania Certification #: 68-00563 Puerto Rico Certification #: MN00064 South Carolina Certification #:74003001 Tennessee Certification #: TN02818 Texas Certification #: T104704192 Utah Certification #: MN00064 Vermont Certification #: VT-027053137 Virginia Certification #: 460163 Washington Certification #: C486 West Virginia DEP Certification #: 382 West Virginia DW Certification #: 9952 C Wisconsin Certification #: 999407970 Wyoming UST Certification #: via A2LA 2926.01 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 2 of 19 #=SS# SAMPLE SUMMARY Pace Project No.: Project: 92476171 WPP.005 Lab ID Sample ID Matrix Date Collected Date Received 92476171001 MP-1 Can #1800 Air 05/04/20 09:37 05/05/20 11:53 92476171002 MP-2 Can #0898 Air 05/04/20 09:01 05/05/20 11:53 92476171003 MP-3 Can #2272 Air 05/04/20 10:18 05/05/20 11:53 92476171004 MP-4 Can #2481 Air 05/04/20 09:56 05/05/20 11:53 92476171005 MP-6 Can #2199 Air 05/04/20 10:28 05/05/20 11:53 92476171006 MP-DUP-1 Can #3007 Air 05/04/20 00:00 05/05/20 11:53 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 3 of 19 #=SA# SAMPLE ANALYTE COUNT Pace Project No.: Project: 92476171 WPP.005 Lab ID Sample ID Method Analytes Reported LaboratoryAnalysts 92476171001 MP-1 Can #1800 TO-15 36 PASI-MAC1 92476171002 MP-2 Can #0898 TO-15 36 PASI-MAC1 92476171003 MP-3 Can #2272 TO-15 36 PASI-MAC1 92476171004 MP-4 Can #2481 TO-15 36 PASI-MAC1 92476171005 MP-6 Can #2199 TO-15 36 PASI-MAC1 92476171006 MP-DUP-1 Can #3007 TO-15 36 PASI-MAC1 PASI-M = Pace Analytical Services - Minneapolis REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 4 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-1 Can #1800 Lab ID:92476171001 Collected:05/04/20 09:37 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 119 ug/m3 05/08/20 16:08 67-64-111.7 2.5 1.94 Benzene ND ug/m3 05/08/20 16:08 71-43-20.63 0.25 1.94 Bromodichloromethane ND ug/m3 05/08/20 16:08 75-27-42.6 0.34 1.94 2-Butanone (MEK)18.0 ug/m3 05/08/20 16:08 78-93-35.8 1.1 1.94 Carbon disulfide 1.8 ug/m3 05/08/20 16:08 75-15-01.2 0.21 1.94 Carbon tetrachloride ND ug/m3 05/08/20 16:08 56-23-52.5 0.50 1.94 Chloroform ND ug/m3 05/08/20 16:08 67-66-30.96 0.26 1.94 Chloromethane ND ug/m3 05/08/20 16:08 74-87-30.81 0.13 1.94 Cyclohexane 2.6J ug/m3 05/08/20 16:08 110-82-73.4 0.28 1.94 1,3-Dichlorobenzene ND ug/m3 05/08/20 16:08 541-73-12.4 0.93 1.94 1,4-Dichlorobenzene ND ug/m3 05/08/20 16:08 106-46-75.9 1.4 1.94 Dichlorodifluoromethane 2.9 ug/m3 05/08/20 16:08 75-71-82.0 0.33 1.94 cis-1,2-Dichloroethene ND ug/m3 05/08/20 16:08 156-59-21.6 0.23 1.94 trans-1,2-Dichloroethene ND ug/m3 05/08/20 16:08 156-60-51.6 0.32 1.94 Ethanol 678 ug/m3 05/08/20 16:08 64-17-5 E3.7 1.8 1.94 Ethyl acetate 147 ug/m3 05/08/20 16:08 141-78-61.4 0.36 1.94 Ethylbenzene ND ug/m3 05/08/20 16:08 100-41-41.7 0.27 1.94 4-Ethyltoluene ND ug/m3 05/08/20 16:08 622-96-84.8 0.83 1.94 n-Heptane ND ug/m3 05/08/20 16:08 142-82-51.6 0.38 1.94 n-Hexane 0.53J ug/m3 05/08/20 16:08 110-54-31.4 0.39 1.94 2-Hexanone 2.2J ug/m3 05/08/20 16:08 591-78-68.1 0.67 1.94 Methylene Chloride 14.3 ug/m3 05/08/20 16:08 75-09-26.8 1.8 1.94 4-Methyl-2-pentanone (MIBK)1.9J ug/m3 05/08/20 16:08 108-10-18.1 0.34 1.94 Naphthalene ND ug/m3 05/08/20 16:08 91-20-35.2 2.5 1.94 2-Propanol 44.8 ug/m3 05/08/20 16:08 67-63-04.8 0.74 1.94 Propylene 0.49J ug/m3 05/08/20 16:08 115-07-10.68 0.19 1.94 Styrene ND ug/m3 05/08/20 16:08 100-42-51.7 0.83 1.94 Tetrachloroethene 143 ug/m3 05/08/20 16:08 127-18-41.3 0.52 1.94 Toluene 3.0 ug/m3 05/08/20 16:08 108-88-31.5 0.33 1.94 Trichloroethene ND ug/m3 05/08/20 16:08 79-01-61.1 0.43 1.94 Trichlorofluoromethane 5.6 ug/m3 05/08/20 16:08 75-69-42.2 0.45 1.94 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 16:08 76-13-13.0 0.50 1.94 1,2,4-Trimethylbenzene 0.73J ug/m3 05/08/20 16:08 95-63-61.9 0.61 1.94 1,3,5-Trimethylbenzene 0.90J ug/m3 05/08/20 16:08 108-67-81.9 0.48 1.94 Vinyl acetate ND ug/m3 05/08/20 16:08 108-05-41.4 0.34 1.94 Xylene (Total)ND ug/m3 05/08/20 16:08 1330-20-75.1 0.66 1.94 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 5 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-2 Can #0898 Lab ID:92476171002 Collected:05/04/20 09:01 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 26.5 ug/m3 05/08/20 16:36 67-64-112.0 2.5 1.98 Benzene ND ug/m3 05/08/20 16:36 71-43-20.64 0.26 1.98 Bromodichloromethane ND ug/m3 05/08/20 16:36 75-27-42.7 0.35 1.98 2-Butanone (MEK)4.5J ug/m3 05/08/20 16:36 78-93-35.9 1.1 1.98 Carbon disulfide ND ug/m3 05/08/20 16:36 75-15-01.3 0.21 1.98 Carbon tetrachloride ND ug/m3 05/08/20 16:36 56-23-52.5 0.51 1.98 Chloroform ND ug/m3 05/08/20 16:36 67-66-30.98 0.26 1.98 Chloromethane ND ug/m3 05/08/20 16:36 74-87-30.83 0.13 1.98 Cyclohexane 1.8J ug/m3 05/08/20 16:36 110-82-73.5 0.29 1.98 1,3-Dichlorobenzene ND ug/m3 05/08/20 16:36 541-73-12.4 0.94 1.98 1,4-Dichlorobenzene 6.6 ug/m3 05/08/20 16:36 106-46-76.1 1.5 1.98 Dichlorodifluoromethane 2.5 ug/m3 05/08/20 16:36 75-71-82.0 0.33 1.98 cis-1,2-Dichloroethene ND ug/m3 05/08/20 16:36 156-59-21.6 0.23 1.98 trans-1,2-Dichloroethene ND ug/m3 05/08/20 16:36 156-60-51.6 0.33 1.98 Ethanol 119 ug/m3 05/08/20 16:36 64-17-53.8 1.9 1.98 Ethyl acetate 1.8 ug/m3 05/08/20 16:36 141-78-61.5 0.36 1.98 Ethylbenzene ND ug/m3 05/08/20 16:36 100-41-41.7 0.27 1.98 4-Ethyltoluene ND ug/m3 05/08/20 16:36 622-96-85.0 0.85 1.98 n-Heptane ND ug/m3 05/08/20 16:36 142-82-51.6 0.39 1.98 n-Hexane ND ug/m3 05/08/20 16:36 110-54-31.4 0.40 1.98 2-Hexanone ND ug/m3 05/08/20 16:36 591-78-68.2 0.68 1.98 Methylene Chloride 6.9J ug/m3 05/08/20 16:36 75-09-27.0 1.8 1.98 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/08/20 16:36 108-10-18.2 0.35 1.98 Naphthalene 31.3 ug/m3 05/08/20 16:36 91-20-35.3 2.5 1.98 2-Propanol 10.6 ug/m3 05/08/20 16:36 67-63-05.0 0.75 1.98 Propylene 0.94 ug/m3 05/08/20 16:36 115-07-10.69 0.19 1.98 Styrene ND ug/m3 05/08/20 16:36 100-42-51.7 0.85 1.98 Tetrachloroethene 9.5 ug/m3 05/08/20 16:36 127-18-41.4 0.53 1.98 Toluene 9.5 ug/m3 05/08/20 16:36 108-88-31.5 0.34 1.98 Trichloroethene ND ug/m3 05/08/20 16:36 79-01-61.1 0.44 1.98 Trichlorofluoromethane 9.6 ug/m3 05/08/20 16:36 75-69-42.3 0.46 1.98 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 16:36 76-13-13.1 0.51 1.98 1,2,4-Trimethylbenzene 0.76J ug/m3 05/08/20 16:36 95-63-62.0 0.62 1.98 1,3,5-Trimethylbenzene ND ug/m3 05/08/20 16:36 108-67-82.0 0.49 1.98 Vinyl acetate ND ug/m3 05/08/20 16:36 108-05-41.4 0.35 1.98 Xylene (Total)ND ug/m3 05/08/20 16:36 1330-20-75.2 0.67 1.98 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 6 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-3 Can #2272 Lab ID:92476171003 Collected:05/04/20 10:18 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 12.9 ug/m3 05/08/20 17:04 67-64-112.0 2.5 1.98 Benzene ND ug/m3 05/08/20 17:04 71-43-20.64 0.26 1.98 Bromodichloromethane ND ug/m3 05/08/20 17:04 75-27-42.7 0.35 1.98 2-Butanone (MEK)2.4J ug/m3 05/08/20 17:04 78-93-35.9 1.1 1.98 Carbon disulfide 2.0 ug/m3 05/08/20 17:04 75-15-01.3 0.21 1.98 Carbon tetrachloride 4.9 ug/m3 05/08/20 17:04 56-23-52.5 0.51 1.98 Chloroform ND ug/m3 05/08/20 17:04 67-66-30.98 0.26 1.98 Chloromethane ND ug/m3 05/08/20 17:04 74-87-30.83 0.13 1.98 Cyclohexane 2.4J ug/m3 05/08/20 17:04 110-82-73.5 0.29 1.98 1,3-Dichlorobenzene ND ug/m3 05/08/20 17:04 541-73-12.4 0.94 1.98 1,4-Dichlorobenzene ND ug/m3 05/08/20 17:04 106-46-76.1 1.5 1.98 Dichlorodifluoromethane 2.6 ug/m3 05/08/20 17:04 75-71-82.0 0.33 1.98 cis-1,2-Dichloroethene ND ug/m3 05/08/20 17:04 156-59-21.6 0.23 1.98 trans-1,2-Dichloroethene ND ug/m3 05/08/20 17:04 156-60-51.6 0.33 1.98 Ethanol 32.0 ug/m3 05/08/20 17:04 64-17-53.8 1.9 1.98 Ethyl acetate ND ug/m3 05/08/20 17:04 141-78-61.5 0.36 1.98 Ethylbenzene ND ug/m3 05/08/20 17:04 100-41-41.7 0.27 1.98 4-Ethyltoluene ND ug/m3 05/08/20 17:04 622-96-85.0 0.85 1.98 n-Heptane ND ug/m3 05/08/20 17:04 142-82-51.6 0.39 1.98 n-Hexane ND ug/m3 05/08/20 17:04 110-54-31.4 0.40 1.98 2-Hexanone ND ug/m3 05/08/20 17:04 591-78-68.2 0.68 1.98 Methylene Chloride 6.2J ug/m3 05/08/20 17:04 75-09-27.0 1.8 1.98 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/08/20 17:04 108-10-18.2 0.35 1.98 Naphthalene ND ug/m3 05/08/20 17:04 91-20-35.3 2.5 1.98 2-Propanol 7.6 ug/m3 05/08/20 17:04 67-63-05.0 0.75 1.98 Propylene 0.50J ug/m3 05/08/20 17:04 115-07-10.69 0.19 1.98 Styrene ND ug/m3 05/08/20 17:04 100-42-51.7 0.85 1.98 Tetrachloroethene 86.9 ug/m3 05/08/20 17:04 127-18-41.4 0.53 1.98 Toluene 1.9 ug/m3 05/08/20 17:04 108-88-31.5 0.34 1.98 Trichloroethene ND ug/m3 05/08/20 17:04 79-01-61.1 0.44 1.98 Trichlorofluoromethane 19.8 ug/m3 05/08/20 17:04 75-69-42.3 0.46 1.98 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 17:04 76-13-13.1 0.51 1.98 1,2,4-Trimethylbenzene ND ug/m3 05/08/20 17:04 95-63-62.0 0.62 1.98 1,3,5-Trimethylbenzene ND ug/m3 05/08/20 17:04 108-67-82.0 0.49 1.98 Vinyl acetate ND ug/m3 05/08/20 17:04 108-05-41.4 0.35 1.98 Xylene (Total)ND ug/m3 05/08/20 17:04 1330-20-75.2 0.67 1.98 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 7 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-4 Can #2481 Lab ID:92476171004 Collected:05/04/20 09:56 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 36.9 ug/m3 05/08/20 17:31 67-64-111.7 2.5 1.94 Benzene ND ug/m3 05/08/20 17:31 71-43-20.63 0.25 1.94 Bromodichloromethane ND ug/m3 05/08/20 17:31 75-27-42.6 0.34 1.94 2-Butanone (MEK)4.1J ug/m3 05/08/20 17:31 78-93-35.8 1.1 1.94 Carbon disulfide ND ug/m3 05/08/20 17:31 75-15-01.2 0.21 1.94 Carbon tetrachloride ND ug/m3 05/08/20 17:31 56-23-52.5 0.50 1.94 Chloroform ND ug/m3 05/08/20 17:31 67-66-30.96 0.26 1.94 Chloromethane ND ug/m3 05/08/20 17:31 74-87-30.81 0.13 1.94 Cyclohexane 4.8 ug/m3 05/08/20 17:31 110-82-73.4 0.28 1.94 1,3-Dichlorobenzene ND ug/m3 05/08/20 17:31 541-73-12.4 0.93 1.94 1,4-Dichlorobenzene ND ug/m3 05/08/20 17:31 106-46-75.9 1.4 1.94 Dichlorodifluoromethane 2.5 ug/m3 05/08/20 17:31 75-71-82.0 0.33 1.94 cis-1,2-Dichloroethene ND ug/m3 05/08/20 17:31 156-59-21.6 0.23 1.94 trans-1,2-Dichloroethene ND ug/m3 05/08/20 17:31 156-60-51.6 0.32 1.94 Ethanol 56.5 ug/m3 05/08/20 17:31 64-17-53.7 1.8 1.94 Ethyl acetate ND ug/m3 05/08/20 17:31 141-78-61.4 0.36 1.94 Ethylbenzene ND ug/m3 05/08/20 17:31 100-41-41.7 0.27 1.94 4-Ethyltoluene ND ug/m3 05/08/20 17:31 622-96-84.8 0.83 1.94 n-Heptane ND ug/m3 05/08/20 17:31 142-82-51.6 0.38 1.94 n-Hexane ND ug/m3 05/08/20 17:31 110-54-31.4 0.39 1.94 2-Hexanone ND ug/m3 05/08/20 17:31 591-78-68.1 0.67 1.94 Methylene Chloride 5.3J ug/m3 05/08/20 17:31 75-09-26.8 1.8 1.94 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/08/20 17:31 108-10-18.1 0.34 1.94 Naphthalene 11.1 ug/m3 05/08/20 17:31 91-20-35.2 2.5 1.94 2-Propanol 4.9 ug/m3 05/08/20 17:31 67-63-04.8 0.74 1.94 Propylene 0.80 ug/m3 05/08/20 17:31 115-07-10.68 0.19 1.94 Styrene ND ug/m3 05/08/20 17:31 100-42-51.7 0.83 1.94 Tetrachloroethene 0.78J ug/m3 05/08/20 17:31 127-18-41.3 0.52 1.94 Toluene 1.6 ug/m3 05/08/20 17:31 108-88-31.5 0.33 1.94 Trichloroethene ND ug/m3 05/08/20 17:31 79-01-61.1 0.43 1.94 Trichlorofluoromethane 1.5J ug/m3 05/08/20 17:31 75-69-42.2 0.45 1.94 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 17:31 76-13-13.0 0.50 1.94 1,2,4-Trimethylbenzene ND ug/m3 05/08/20 17:31 95-63-61.9 0.61 1.94 1,3,5-Trimethylbenzene ND ug/m3 05/08/20 17:31 108-67-81.9 0.48 1.94 Vinyl acetate ND ug/m3 05/08/20 17:31 108-05-41.4 0.34 1.94 Xylene (Total)ND ug/m3 05/08/20 17:31 1330-20-75.1 0.66 1.94 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 8 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-6 Can #2199 Lab ID:92476171005 Collected:05/04/20 10:28 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 23.0 ug/m3 05/08/20 17:59 67-64-111.5 2.4 1.9 Benzene ND ug/m3 05/08/20 17:59 71-43-20.62 0.25 1.9 Bromodichloromethane ND ug/m3 05/08/20 17:59 75-27-42.6 0.33 1.9 2-Butanone (MEK)3.1J ug/m3 05/08/20 17:59 78-93-35.7 1.1 1.9 Carbon disulfide ND ug/m3 05/08/20 17:59 75-15-01.2 0.20 1.9 Carbon tetrachloride 0.84J ug/m3 05/08/20 17:59 56-23-52.4 0.49 1.9 Chloroform ND ug/m3 05/08/20 17:59 67-66-30.94 0.25 1.9 Chloromethane ND ug/m3 05/08/20 17:59 74-87-30.80 0.13 1.9 Cyclohexane 2.8J ug/m3 05/08/20 17:59 110-82-73.3 0.28 1.9 1,3-Dichlorobenzene ND ug/m3 05/08/20 17:59 541-73-12.3 0.91 1.9 1,4-Dichlorobenzene 6.4 ug/m3 05/08/20 17:59 106-46-75.8 1.4 1.9 Dichlorodifluoromethane 2.9 ug/m3 05/08/20 17:59 75-71-81.9 0.32 1.9 cis-1,2-Dichloroethene ND ug/m3 05/08/20 17:59 156-59-21.5 0.22 1.9 trans-1,2-Dichloroethene ND ug/m3 05/08/20 17:59 156-60-51.5 0.32 1.9 Ethanol 157 ug/m3 05/08/20 17:59 64-17-53.6 1.8 1.9 Ethyl acetate ND ug/m3 05/08/20 17:59 141-78-61.4 0.35 1.9 Ethylbenzene 1.1J ug/m3 05/08/20 17:59 100-41-41.7 0.26 1.9 4-Ethyltoluene ND ug/m3 05/08/20 17:59 622-96-84.8 0.81 1.9 n-Heptane 0.67J ug/m3 05/08/20 17:59 142-82-51.6 0.37 1.9 n-Hexane 1.1J ug/m3 05/08/20 17:59 110-54-31.4 0.38 1.9 2-Hexanone ND ug/m3 05/08/20 17:59 591-78-67.9 0.66 1.9 Methylene Chloride 21.4 ug/m3 05/08/20 17:59 75-09-26.7 1.8 1.9 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/08/20 17:59 108-10-17.9 0.34 1.9 Naphthalene 13.3 ug/m3 05/08/20 17:59 91-20-35.1 2.4 1.9 2-Propanol 9.9 ug/m3 05/08/20 17:59 67-63-04.8 0.72 1.9 Propylene ND ug/m3 05/08/20 17:59 115-07-10.66 0.19 1.9 Styrene ND ug/m3 05/08/20 17:59 100-42-51.6 0.81 1.9 Tetrachloroethene 14.5 ug/m3 05/08/20 17:59 127-18-41.3 0.51 1.9 Toluene 20.1 ug/m3 05/08/20 17:59 108-88-31.5 0.32 1.9 Trichloroethene ND ug/m3 05/08/20 17:59 79-01-61.0 0.42 1.9 Trichlorofluoromethane 4.4 ug/m3 05/08/20 17:59 75-69-42.2 0.44 1.9 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 17:59 76-13-13.0 0.49 1.9 1,2,4-Trimethylbenzene ND ug/m3 05/08/20 17:59 95-63-61.9 0.59 1.9 1,3,5-Trimethylbenzene ND ug/m3 05/08/20 17:59 108-67-81.9 0.47 1.9 Vinyl acetate ND ug/m3 05/08/20 17:59 108-05-41.4 0.34 1.9 Xylene (Total)ND ug/m3 05/08/20 17:59 1330-20-75.0 0.64 1.9 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 9 of 19 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92476171 WPP.005 Sample:MP-DUP-1 Can #3007 Lab ID:92476171006 Collected:05/04/20 00:00 Received:05/05/20 11:53 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 18.2 ug/m3 05/08/20 18:27 67-64-112.2 2.6 2.02 Benzene ND ug/m3 05/08/20 18:27 71-43-20.66 0.26 2.02 Bromodichloromethane ND ug/m3 05/08/20 18:27 75-27-42.7 0.36 2.02 2-Butanone (MEK)4.0J ug/m3 05/08/20 18:27 78-93-36.1 1.1 2.02 Carbon disulfide ND ug/m3 05/08/20 18:27 75-15-01.3 0.22 2.02 Carbon tetrachloride 0.58J ug/m3 05/08/20 18:27 56-23-52.6 0.52 2.02 Chloroform ND ug/m3 05/08/20 18:27 67-66-31.0 0.27 2.02 Chloromethane ND ug/m3 05/08/20 18:27 74-87-30.85 0.13 2.02 Cyclohexane 2.0J ug/m3 05/08/20 18:27 110-82-73.5 0.29 2.02 1,3-Dichlorobenzene ND ug/m3 05/08/20 18:27 541-73-12.5 0.96 2.02 1,4-Dichlorobenzene 6.1J ug/m3 05/08/20 18:27 106-46-76.2 1.5 2.02 Dichlorodifluoromethane 2.6 ug/m3 05/08/20 18:27 75-71-82.0 0.34 2.02 cis-1,2-Dichloroethene ND ug/m3 05/08/20 18:27 156-59-21.6 0.23 2.02 trans-1,2-Dichloroethene ND ug/m3 05/08/20 18:27 156-60-51.6 0.34 2.02 Ethanol 93.5 ug/m3 05/08/20 18:27 64-17-53.9 1.9 2.02 Ethyl acetate ND ug/m3 05/08/20 18:27 141-78-61.5 0.37 2.02 Ethylbenzene ND ug/m3 05/08/20 18:27 100-41-41.8 0.28 2.02 4-Ethyltoluene ND ug/m3 05/08/20 18:27 622-96-85.0 0.86 2.02 n-Heptane ND ug/m3 05/08/20 18:27 142-82-51.7 0.40 2.02 n-Hexane ND ug/m3 05/08/20 18:27 110-54-31.4 0.40 2.02 2-Hexanone ND ug/m3 05/08/20 18:27 591-78-68.4 0.70 2.02 Methylene Chloride 6.8J ug/m3 05/08/20 18:27 75-09-27.1 1.9 2.02 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/08/20 18:27 108-10-18.4 0.36 2.02 Naphthalene 26.3 ug/m3 05/08/20 18:27 91-20-35.4 2.6 2.02 2-Propanol 7.5 ug/m3 05/08/20 18:27 67-63-05.0 0.77 2.02 Propylene ND ug/m3 05/08/20 18:27 115-07-10.71 0.20 2.02 Styrene ND ug/m3 05/08/20 18:27 100-42-51.7 0.86 2.02 Tetrachloroethene 8.8 ug/m3 05/08/20 18:27 127-18-41.4 0.54 2.02 Toluene 9.7 ug/m3 05/08/20 18:27 108-88-31.5 0.35 2.02 Trichloroethene ND ug/m3 05/08/20 18:27 79-01-61.1 0.45 2.02 Trichlorofluoromethane 9.4 ug/m3 05/08/20 18:27 75-69-42.3 0.46 2.02 1,1,2-Trichlorotrifluoroethane ND ug/m3 05/08/20 18:27 76-13-13.2 0.52 2.02 1,2,4-Trimethylbenzene 0.71J ug/m3 05/08/20 18:27 95-63-62.0 0.63 2.02 1,3,5-Trimethylbenzene ND ug/m3 05/08/20 18:27 108-67-82.0 0.50 2.02 Vinyl acetate ND ug/m3 05/08/20 18:27 108-05-41.4 0.36 2.02 Xylene (Total)ND ug/m3 05/08/20 18:27 1330-20-75.4 0.68 2.02 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 10 of 19 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92476171 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. QC Batch: QC Batch Method: Analysis Method: Analysis Description: 674353 TO-15 TO-15 TO15 MSV AIR Low Level Laboratory:Pace Analytical Services - Minneapolis Associated Lab Samples:92476171001, 92476171002, 92476171003, 92476171004, 92476171005, 92476171006 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:3610513 Associated Lab Samples:92476171001, 92476171002, 92476171003, 92476171004, 92476171005, 92476171006 Matrix:Air AnalyzedMDL 1,1,2-Trichlorotrifluoroethane ug/m3 ND 0.78 05/08/20 07:580.13 1,2,4-Trimethylbenzene ug/m3 ND 0.50 05/08/20 07:580.16 1,3,5-Trimethylbenzene ug/m3 ND 0.50 05/08/20 07:580.12 1,3-Dichlorobenzene ug/m3 ND 0.61 05/08/20 07:580.24 1,4-Dichlorobenzene ug/m3 ND 1.5 05/08/20 07:580.37 2-Butanone (MEK)ug/m3 ND 1.5 05/08/20 07:580.28 2-Hexanone ug/m3 ND 2.1 05/08/20 07:580.17 2-Propanol ug/m3 ND 1.2 05/08/20 07:580.19 4-Ethyltoluene ug/m3 ND 1.2 05/08/20 07:580.21 4-Methyl-2-pentanone (MIBK)ug/m3 ND 2.1 05/08/20 07:580.088 Acetone ug/m3 ND 3.0 05/08/20 07:580.64 Benzene ug/m3 ND 0.16 05/08/20 07:580.065 Bromodichloromethane ug/m3 ND 0.68 05/08/20 07:580.088 Carbon disulfide ug/m3 ND 0.32 05/08/20 07:580.054 Carbon tetrachloride ug/m3 ND 0.64 05/08/20 07:580.13 Chloroform ug/m3 ND 0.25 05/08/20 07:580.066 Chloromethane ug/m3 ND 0.21 05/08/20 07:580.033 cis-1,2-Dichloroethene ug/m3 ND 0.40 05/08/20 07:580.058 Cyclohexane ug/m3 ND 0.88 05/08/20 07:580.073 Dichlorodifluoromethane ug/m3 ND 0.50 05/08/20 07:580.084 Ethanol ug/m3 ND 0.96 05/08/20 07:580.47 Ethyl acetate ug/m3 ND 0.37 05/08/20 07:580.092 Ethylbenzene ug/m3 ND 0.44 05/08/20 07:580.069 Methylene Chloride ug/m3 ND 1.8 05/08/20 07:580.46 n-Heptane ug/m3 ND 0.42 05/08/20 07:580.098 n-Hexane ug/m3 ND 0.36 05/08/20 07:580.10 Naphthalene ug/m3 ND 1.3 05/08/20 07:580.64 Propylene ug/m3 ND 0.18 05/08/20 07:580.049 Styrene ug/m3 ND 0.43 05/08/20 07:580.21 Tetrachloroethene ug/m3 ND 0.34 05/08/20 07:580.13 Toluene ug/m3 ND 0.38 05/08/20 07:580.086 trans-1,2-Dichloroethene ug/m3 ND 0.40 05/08/20 07:580.084 Trichloroethene ug/m3 ND 0.27 05/08/20 07:580.11 Trichlorofluoromethane ug/m3 ND 0.57 05/08/20 07:580.12 Vinyl acetate ug/m3 ND 0.36 05/08/20 07:580.088 Xylene (Total)ug/m3 ND 1.3 05/08/20 07:580.17 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 11 of 19 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92476171 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 3610514LABORATORY CONTROL SAMPLE: LCSSpike 1,1,2-Trichlorotrifluoroethane ug/m3 94.480.3 117 70-130 1,2,4-Trimethylbenzene ug/m3 49.951.5 97 70-137 1,3,5-Trimethylbenzene ug/m3 50.351.6 97 70-136 1,3-Dichlorobenzene ug/m3 70.763.4 112 70-138 1,4-Dichlorobenzene ug/m3 61.463.4 97 70-145 2-Butanone (MEK)ug/m3 30.431.4 97 61-130 2-Hexanone ug/m3 48.742.8 114 70-138 2-Propanol ug/m3 127119 107 70-136 4-Ethyltoluene ug/m3 53.052.4 101 70-142 4-Methyl-2-pentanone (MIBK)ug/m3 50.143.6 115 70-134 Acetone ug/m3 126126 100 59-137 Benzene ug/m3 33.033.5 98 70-133 Bromodichloromethane ug/m3 90.471.5 126 70-130 Carbon disulfide ug/m3 38.233.3 115 70-130 Carbon tetrachloride ug/m3 78.166.2 118 70-133 Chloroform ug/m3 56.151.1 110 70-130 Chloromethane ug/m3 24.821.9 113 64-137 cis-1,2-Dichloroethene ug/m3 45.441.6 109 70-132 Cyclohexane ug/m3 39.136.7 107 70-133 Dichlorodifluoromethane ug/m3 56.851.6 110 70-130 Ethanol ug/m3 109103 106 65-135 Ethyl acetate ug/m3 40.938.6 106 70-135 Ethylbenzene ug/m3 45.345.6 99 70-142 Methylene Chloride ug/m3 189182 104 69-130 n-Heptane ug/m3 44.343.6 101 70-130 n-Hexane ug/m3 37.537.6 100 70-131 Naphthalene ug/m3 59.557.7 103 63-130 Propylene ug/m3 18.618.2 103 63-139 Styrene ug/m3 49.344.9 110 70-143 Tetrachloroethene ug/m3 71.871 101 70-136 Toluene ug/m3 39.139.5 99 70-136 trans-1,2-Dichloroethene ug/m3 47.042.2 111 70-132 Trichloroethene ug/m3 63.356.3 112 70-132 Trichlorofluoromethane ug/m3 69.359.7 116 65-136 Vinyl acetate ug/m3 40.534.5 117 66-140 Xylene (Total)ug/m3 132137 97 70-135 Parameter Units Dup Result Max RPD QualifiersRPDResult 10516429001 3611642SAMPLE DUPLICATE: 1,1,2-Trichlorotrifluoroethane ug/m3 ND 25ND 1,2,4-Trimethylbenzene ug/m3 0.91J 25ND 1,3,5-Trimethylbenzene ug/m3 1.3J 25ND 1,3-Dichlorobenzene ug/m3 ND 25ND 1,4-Dichlorobenzene ug/m3 ND 25ND REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 12 of 19 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92476171 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. Parameter Units Dup Result Max RPD QualifiersRPDResult 10516429001 3611642SAMPLE DUPLICATE: 2-Butanone (MEK)ug/m3 3.0J 25ND 2-Hexanone ug/m3 ND 25ND 2-Propanol ug/m3 593 0 25593 4-Ethyltoluene ug/m3 ND 25ND 4-Methyl-2-pentanone (MIBK)ug/m3 ND 25ND Acetone ug/m3 ND 25ND Benzene ug/m3 ND 25ND Bromodichloromethane ug/m3 ND 25ND Carbon disulfide ug/m3 ND 25ND Carbon tetrachloride ug/m3 ND 25ND Chloroform ug/m3 ND 25ND Chloromethane ug/m3 ND 25ND cis-1,2-Dichloroethene ug/m3 ND 25ND Cyclohexane ug/m3 ND 25ND Dichlorodifluoromethane ug/m3 2.8 4 252.7 Ethanol ug/m3 32.6 0 2532.5 Ethyl acetate ug/m3 ND 25ND Ethylbenzene ug/m3 0.62J 25ND Methylene Chloride ug/m3 ND 25ND n-Heptane ug/m3 0.76J 25ND n-Hexane ug/m3 0.65J 25ND Naphthalene ug/m3 ND 25ND Propylene ug/m3 ND 25ND Styrene ug/m3 ND 25ND Tetrachloroethene ug/m3 ND 25ND Toluene ug/m3 2.6 4 252.7 trans-1,2-Dichloroethene ug/m3 ND 25ND Trichloroethene ug/m3 ND 25ND Trichlorofluoromethane ug/m3 4.9 10 254.5 Vinyl acetate ug/m3 ND 25ND Xylene (Total)ug/m3 ND 25ND Parameter Units Dup Result Max RPD QualifiersRPDResult 10516429002 3611643SAMPLE DUPLICATE: 1,1,2-Trichlorotrifluoroethane ug/m3 ND 25ND 1,2,4-Trimethylbenzene ug/m3 0.81J 25ND 1,3,5-Trimethylbenzene ug/m3 1.0J 25ND 1,3-Dichlorobenzene ug/m3 ND 25ND 1,4-Dichlorobenzene ug/m3 ND 25ND 2-Butanone (MEK)ug/m3 4.7J 25ND 2-Hexanone ug/m3 ND 25ND 2-Propanol ug/m3 659 4 25634 4-Ethyltoluene ug/m3 ND 25ND 4-Methyl-2-pentanone (MIBK)ug/m3 ND 25ND REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 13 of 19 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92476171 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. Parameter Units Dup Result Max RPD QualifiersRPDResult 10516429002 3611643SAMPLE DUPLICATE: Acetone ug/m3 ND 25ND Benzene ug/m3 2.7 1 252.7 Bromodichloromethane ug/m3 ND 25ND Carbon disulfide ug/m3 ND 25ND Carbon tetrachloride ug/m3 ND 25ND Chloroform ug/m3 ND 25ND Chloromethane ug/m3 ND 25ND cis-1,2-Dichloroethene ug/m3 ND 25ND Cyclohexane ug/m3 ND 25ND Dichlorodifluoromethane ug/m3 3.2 3 253.3 Ethanol ug/m3 58.2 1 2557.3 Ethyl acetate ug/m3 ND 25ND Ethylbenzene ug/m3 0.53J 25ND Methylene Chloride ug/m3 3.1J 25ND n-Heptane ug/m3 0.80J 25ND n-Hexane ug/m3 1.2J 25ND Naphthalene ug/m3 ND 25ND Propylene ug/m3 ND 25ND Styrene ug/m3 ND 25ND Tetrachloroethene ug/m3 ND 25ND Toluene ug/m3 2.9 4 252.8 trans-1,2-Dichloroethene ug/m3 ND 25ND Trichloroethene ug/m3 ND 25ND Trichlorofluoromethane ug/m3 9.0 6 258.5 Vinyl acetate ug/m3 ND 25ND Xylene (Total)ug/m3 ND 25ND REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 14 of 19 #=QL# QUALIFIERS Pace Project No.: Project: 92476171 WPP.005 DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL - Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and bias for a specific analyte in a specific matrix. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean-Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether. A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI - The NELAC Institute. ANALYTE QUALIFIERS Analyte concentration exceeded the calibration range. The reported result is estimated.E REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 15 of 19 #=CR# QUALITY CONTROL DATA CROSS REFERENCE TABLE Pace Project No.: Project: 92476171 WPP.005 Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch 92476171001 674353MP-1 Can #1800 TO-15 92476171002 674353MP-2 Can #0898 TO-15 92476171003 674353MP-3 Can #2272 TO-15 92476171004 674353MP-4 Can #2481 TO-15 92476171005 674353MP-6 Can #2199 TO-15 92476171006 674353MP-DUP-1 Can #3007 TO-15 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 05/11/2020 03:01 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 16 of 19 Page 17 of 19 Page 18 of 19 Page 19 of 19 #=CL# June 01, 2020 LIMS USE: FR - ALEXIS MCKENZIE LIMS OBJECT ID: 92478995 92478995 Project: Pace Project No.: RE: Alexis McKenzie Hart & Hickman 2923 S Tryon Street Suite 100 Charlotte, NC 28203 WPP.005 Dear Alexis McKenzie: Enclosed are the analytical results for sample(s) received by the laboratory on May 26, 2020. The results relate only to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report. The test results provided in this final report were generated by each of the following laboratories within the Pace Network: • Pace Analytical Services - Minneapolis If you have any questions concerning this report, please feel free to contact me. Sincerely, Kevin Godwin kevin.godwin@pacelabs.com Project Manager 1(704)875-9092 Enclosures REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 1 of 27 #=CP# CERTIFICATIONS Pace Project No.: Project: 92478995 WPP.005 Pace Analytical Services Minneapolis A2LA Certification #: 2926.01 Alabama Certification #: 40770 Alaska Contaminated Sites Certification #: 17-009 Alaska DW Certification #: MN00064 Arizona Certification #: AZ0014 Arkansas DW Certification #: MN00064 Arkansas WW Certification #: 88-0680 California Certification #: 2929 CNMI Saipan Certification #: MP0003 Colorado Certification #: MN00064 Connecticut Certification #: PH-0256 EPA Region 8+Wyoming DW Certification #: via MN 027- 053-137 Florida Certification #: E87605 Georgia Certification #: 959 Guam EPA Certification #: MN00064 Hawaii Certification #: MN00064 Idaho Certification #: MN00064 Illinois Certification #: 200011 Indiana Certification #: C-MN-01 Iowa Certification #: 368 Kansas Certification #: E-10167 Kentucky DW Certification #: 90062 Kentucky WW Certification #: 90062 Louisiana DEQ Certification #: 03086 Louisiana DW Certification #: MN00064 Maine Certification #: MN00064 Maryland Certification #: 322 Massachusetts Certification #: M-MN064 Massachusetts DWP Certification #: via MN 027-053-137 Michigan Certification #: 9909 Minnesota Certification #: 027-053-137 Minnesota Dept of Ag Certifcation #: via MN 027-053-137 Minnesota Petrofund Certification #: 1240 Mississippi Certification #: MN00064 Missouri Certification #: 10100 Montana Certification #: CERT0092 Nebraska Certification #: NE-OS-18-06 Nevada Certification #: MN00064 New Hampshire Certification #: 2081 New Jersey Certification #: MN002 New York Certification #: 11647 North Carolina DW Certification #: 27700 North Carolina WW Certification #: 530 North Dakota Certification #: R-036 Ohio DW Certification #: 41244 Ohio VAP Certification #: CL101 Oklahoma Certification #: 9507 Oregon Primary Certification #: MN300001 Oregon Secondary Certification #: MN200001 Pennsylvania Certification #: 68-00563 Puerto Rico Certification #: MN00064 South Carolina Certification #:74003001 Tennessee Certification #: TN02818 Texas Certification #: T104704192 Utah Certification #: MN00064 Vermont Certification #: VT-027053137 Virginia Certification #: 460163 Washington Certification #: C486 West Virginia DEP Certification #: 382 West Virginia DW Certification #: 9952 C Wisconsin Certification #: 999407970 Wyoming UST Certification #: via A2LA 2926.01 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 2 of 27 #=SS# SAMPLE SUMMARY Pace Project No.: Project: 92478995 WPP.005 Lab ID Sample ID Matrix Date Collected Date Received 92478995001 IAS-1 CAN#0223 Air 05/24/20 14:34 05/26/20 08:40 92478995002 IAS-2 CAN#0253 Air 05/24/20 14:31 05/26/20 08:40 92478995003 IAS-3 CAN#3597 Air 05/24/20 14:32 05/26/20 08:40 92478995004 IAS-4 CAN#0651 Air 05/24/20 14:49 05/26/20 08:40 92478995005 IAS-6 CAN#2814 Air 05/24/20 14:33 05/26/20 08:40 92478995006 BAS-1 CAN#2189 Air 05/24/20 14:36 05/26/20 08:40 92478995007 IAS-DUP CAN#1189 Air 05/24/20 00:00 05/26/20 08:40 92478995008 Empty Can #0257 (Returned)Air 05/24/20 00:00 05/26/20 08:40 92478995009 Empty Can #0940 (Returned)Air 05/24/20 00:00 05/26/20 08:40 92478995010 IAS-1CAN#0223 Individual Cert Air 05/24/20 14:34 05/26/20 08:40 92478995011 IAS-2 CAN#0253 Individual Cert Air 05/24/20 14:31 05/26/20 08:40 92478995012 IAS-3 CAN#3597 Individual Cert Air 05/24/20 14:32 05/26/20 08:40 92478995013 IAS-4 CAN#0651 Individual Cert Air 05/24/20 14:49 05/26/20 08:40 92478995014 IAS-6 CAN#2814 Individual Cert Air 05/24/20 14:33 05/26/20 08:40 92478995015 IAS-DUP CAN#1189 Indiv Cert Air 05/24/20 00:00 05/26/20 08:40 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 3 of 27 #=SA# SAMPLE ANALYTE COUNT Pace Project No.: Project: 92478995 WPP.005 Lab ID Sample ID Method Analytes Reported LaboratoryAnalysts 92478995001 IAS-1 CAN#0223 TO-15 23 PASI-MMLS 92478995002 IAS-2 CAN#0253 TO-15 23 PASI-MMLS 92478995003 IAS-3 CAN#3597 TO-15 23 PASI-MMLS 92478995004 IAS-4 CAN#0651 TO-15 23 PASI-MMLS 92478995005 IAS-6 CAN#2814 TO-15 23 PASI-MMLS 92478995006 BAS-1 CAN#2189 TO-15 23 PASI-MMLS 92478995007 IAS-DUP CAN#1189 TO-15 23 PASI-MMLS 92478995010 IAS-1CAN#0223 Individual Cert TO-15 23 PASI-MAC1 92478995011 IAS-2 CAN#0253 Individual Cert TO-15 23 PASI-MMG2 92478995012 IAS-3 CAN#3597 Individual Cert TO-15 23 PASI-MMG2 92478995013 IAS-4 CAN#0651 Individual Cert TO-15 23 PASI-MMG2 92478995014 IAS-6 CAN#2814 Individual Cert TO-15 23 PASI-MCH1 92478995015 IAS-DUP CAN#1189 Indiv Cert TO-15 23 PASI-MAFV PASI-M = Pace Analytical Services - Minneapolis REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 4 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-1 CAN#0223 Lab ID:92478995001 Collected:05/24/20 14:34 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 104 ug/m3 05/28/20 21:06 67-64-19.7 2.1 1.61 2-Butanone (MEK)298 ug/m3 05/29/20 10:42 78-93-348.3 9.0 16.1 Carbon disulfide 0.41J ug/m3 05/28/20 21:06 75-15-01.0 0.17 1.61 Carbon tetrachloride ND ug/m3 05/28/20 21:06 56-23-52.1 0.41 1.61 Cyclohexane ND ug/m3 05/28/20 21:06 110-82-72.8 0.24 1.61 1,4-Dichlorobenzene ND ug/m3 05/28/20 21:06 106-46-74.9 1.2 1.61 Dichlorodifluoromethane 1.6 ug/m3 05/28/20 21:06 75-71-81.6 0.27 1.61 Ethanol 77.7 ug/m3 05/28/20 21:06 64-17-53.1 1.5 1.61 Ethyl acetate 32.1 ug/m3 05/28/20 21:06 141-78-61.2 0.30 1.61 Ethylbenzene 1.9 ug/m3 05/28/20 21:06 100-41-41.4 0.22 1.61 n-Heptane ND ug/m3 05/28/20 21:06 142-82-51.3 0.32 1.61 n-Hexane 1.5 ug/m3 05/28/20 21:06 110-54-31.2 0.32 1.61 2-Hexanone 4.1J ug/m3 05/28/20 21:06 591-78-66.7 0.56 1.61 Methylene Chloride ND ug/m3 05/28/20 21:06 75-09-25.7 1.5 1.61 4-Methyl-2-pentanone (MIBK)1.4J ug/m3 05/28/20 21:06 108-10-16.7 0.28 1.61 Naphthalene 6.9 ug/m3 05/28/20 21:06 91-20-34.3 2.0 1.61 2-Propanol 7.1 ug/m3 05/28/20 21:06 67-63-04.0 0.61 1.61 Propylene ND ug/m3 05/28/20 21:06 115-07-10.56 0.16 1.61 Tetrachloroethene ND ug/m3 05/28/20 21:06 127-18-41.1 0.43 1.61 Toluene 100 ug/m3 05/28/20 21:06 108-88-31.2 0.28 1.61 Trichlorofluoromethane ND ug/m3 05/28/20 21:06 75-69-41.8 0.37 1.61 1,2,4-Trimethylbenzene 1.7 ug/m3 05/28/20 21:06 95-63-61.6 0.50 1.61 1,3,5-Trimethylbenzene 0.52J ug/m3 05/28/20 21:06 108-67-81.6 0.40 1.61 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 5 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-2 CAN#0253 Lab ID:92478995002 Collected:05/24/20 14:31 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 141 ug/m3 05/28/20 20:13 67-64-19.4 2.0 1.55 2-Butanone (MEK)326 ug/m3 05/29/20 12:48 78-93-346.5 8.7 15.5 Carbon disulfide 0.39J ug/m3 05/28/20 20:13 75-15-00.98 0.17 1.55 Carbon tetrachloride ND ug/m3 05/28/20 20:13 56-23-52.0 0.40 1.55 Cyclohexane 3.9 ug/m3 05/28/20 20:13 110-82-72.7 0.23 1.55 1,4-Dichlorobenzene ND ug/m3 05/28/20 20:13 106-46-74.7 1.1 1.55 Dichlorodifluoromethane 1.6J ug/m3 05/28/20 20:13 75-71-81.6 0.26 1.55 Ethanol 82.9 ug/m3 05/28/20 20:13 64-17-53.0 1.5 1.55 Ethyl acetate ND ug/m3 05/28/20 20:13 141-78-61.1 0.29 1.55 Ethylbenzene 2.0 ug/m3 05/28/20 20:13 100-41-41.4 0.21 1.55 n-Heptane ND ug/m3 05/28/20 20:13 142-82-51.3 0.31 1.55 n-Hexane 3.9 ug/m3 05/28/20 20:13 110-54-31.1 0.31 1.55 2-Hexanone 5.9J ug/m3 05/28/20 20:13 591-78-66.4 0.53 1.55 Methylene Chloride ND ug/m3 05/28/20 20:13 75-09-25.5 1.4 1.55 4-Methyl-2-pentanone (MIBK)2.3J ug/m3 05/28/20 20:13 108-10-16.4 0.27 1.55 Naphthalene 5.9 ug/m3 05/28/20 20:13 91-20-34.1 2.0 1.55 2-Propanol 13.2 ug/m3 05/28/20 20:13 67-63-03.9 0.59 1.55 Propylene 7.6 ug/m3 05/28/20 20:13 115-07-10.54 0.15 1.55 Tetrachloroethene 1.0J ug/m3 05/28/20 20:13 127-18-41.1 0.42 1.55 Toluene 100 ug/m3 05/28/20 20:13 108-88-31.2 0.27 1.55 Trichlorofluoromethane ND ug/m3 05/28/20 20:13 75-69-41.8 0.36 1.55 1,2,4-Trimethylbenzene 1.5J ug/m3 05/28/20 20:13 95-63-61.5 0.48 1.55 1,3,5-Trimethylbenzene 0.49J ug/m3 05/28/20 20:13 108-67-81.5 0.39 1.55 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 6 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-3 CAN#3597 Lab ID:92478995003 Collected:05/24/20 14:32 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 95.4 ug/m3 05/28/20 21:33 67-64-19.4 2.0 1.55 2-Butanone (MEK)280 ug/m3 05/29/20 11:07 78-93-346.5 8.7 15.5 Carbon disulfide 0.37J ug/m3 05/28/20 21:33 75-15-00.98 0.17 1.55 Carbon tetrachloride ND ug/m3 05/28/20 21:33 56-23-52.0 0.40 1.55 Cyclohexane ND ug/m3 05/28/20 21:33 110-82-72.7 0.23 1.55 1,4-Dichlorobenzene ND ug/m3 05/28/20 21:33 106-46-74.7 1.1 1.55 Dichlorodifluoromethane 1.7 ug/m3 05/28/20 21:33 75-71-81.6 0.26 1.55 Ethanol 78.6 ug/m3 05/28/20 21:33 64-17-53.0 1.5 1.55 Ethyl acetate 32.9 ug/m3 05/28/20 21:33 141-78-61.1 0.29 1.55 Ethylbenzene 1.9 ug/m3 05/28/20 21:33 100-41-41.4 0.21 1.55 n-Heptane ND ug/m3 05/28/20 21:33 142-82-51.3 0.31 1.55 n-Hexane 1.4 ug/m3 05/28/20 21:33 110-54-31.1 0.31 1.55 2-Hexanone 2.4J ug/m3 05/28/20 21:33 591-78-66.4 0.53 1.55 Methylene Chloride ND ug/m3 05/28/20 21:33 75-09-25.5 1.4 1.55 4-Methyl-2-pentanone (MIBK)1.2J ug/m3 05/28/20 21:33 108-10-16.4 0.27 1.55 Naphthalene 7.4 ug/m3 05/28/20 21:33 91-20-34.1 2.0 1.55 2-Propanol 6.9 ug/m3 05/28/20 21:33 67-63-03.9 0.59 1.55 Propylene ND ug/m3 05/28/20 21:33 115-07-10.54 0.15 1.55 Tetrachloroethene ND ug/m3 05/28/20 21:33 127-18-41.1 0.42 1.55 Toluene 100 ug/m3 05/28/20 21:33 108-88-31.2 0.27 1.55 Trichlorofluoromethane ND ug/m3 05/28/20 21:33 75-69-41.8 0.36 1.55 1,2,4-Trimethylbenzene 1.5J ug/m3 05/28/20 21:33 95-63-61.5 0.48 1.55 1,3,5-Trimethylbenzene 0.50J ug/m3 05/28/20 21:33 108-67-81.5 0.39 1.55 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 7 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-4 CAN#0651 Lab ID:92478995004 Collected:05/24/20 14:49 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 65.6 ug/m3 05/28/20 19:47 67-64-19.0 1.9 1.49 2-Butanone (MEK)357 ug/m3 05/29/20 11:58 78-93-344.7 8.3 14.9 Carbon disulfide 0.82J ug/m3 05/28/20 19:47 75-15-00.94 0.16 1.49 Carbon tetrachloride ND ug/m3 05/28/20 19:47 56-23-51.9 0.38 1.49 Cyclohexane ND ug/m3 05/28/20 19:47 110-82-72.6 0.22 1.49 1,4-Dichlorobenzene ND ug/m3 05/28/20 19:47 106-46-74.6 1.1 1.49 Dichlorodifluoromethane 1.8 ug/m3 05/28/20 19:47 75-71-81.5 0.25 1.49 Ethanol 52.8 ug/m3 05/28/20 19:47 64-17-52.9 1.4 1.49 Ethyl acetate ND ug/m3 05/28/20 19:47 141-78-61.1 0.27 1.49 Ethylbenzene 1.9 ug/m3 05/28/20 19:47 100-41-41.3 0.21 1.49 n-Heptane ND ug/m3 05/28/20 19:47 142-82-51.2 0.29 1.49 n-Hexane 2.1 ug/m3 05/28/20 19:47 110-54-31.1 0.30 1.49 2-Hexanone 1.4J ug/m3 05/28/20 19:47 591-78-66.2 0.51 1.49 Methylene Chloride ND ug/m3 05/28/20 19:47 75-09-25.3 1.4 1.49 4-Methyl-2-pentanone (MIBK)0.82J ug/m3 05/28/20 19:47 108-10-16.2 0.26 1.49 Naphthalene 6.4 ug/m3 05/28/20 19:47 91-20-34.0 1.9 1.49 2-Propanol 5.7 ug/m3 05/28/20 19:47 67-63-03.7 0.56 1.49 Propylene ND ug/m3 05/28/20 19:47 115-07-10.52 0.15 1.49 Tetrachloroethene ND ug/m3 05/28/20 19:47 127-18-41.0 0.40 1.49 Toluene 65.7 ug/m3 05/28/20 19:47 108-88-31.1 0.25 1.49 Trichlorofluoromethane ND ug/m3 05/28/20 19:47 75-69-41.7 0.34 1.49 1,2,4-Trimethylbenzene 1.7 ug/m3 05/28/20 19:47 95-63-61.5 0.46 1.49 1,3,5-Trimethylbenzene 0.56J ug/m3 05/28/20 19:47 108-67-81.5 0.37 1.49 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 8 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-6 CAN#2814 Lab ID:92478995005 Collected:05/24/20 14:33 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 106 ug/m3 05/28/20 20:40 67-64-19.4 2.0 1.55 2-Butanone (MEK)328 ug/m3 05/29/20 12:23 78-93-346.5 8.7 15.5 Carbon disulfide 0.42J ug/m3 05/28/20 20:40 75-15-00.98 0.17 1.55 Carbon tetrachloride ND ug/m3 05/28/20 20:40 56-23-52.0 0.40 1.55 Cyclohexane ND ug/m3 05/28/20 20:40 110-82-72.7 0.23 1.55 1,4-Dichlorobenzene ND ug/m3 05/28/20 20:40 106-46-74.7 1.1 1.55 Dichlorodifluoromethane 1.8 ug/m3 05/28/20 20:40 75-71-81.6 0.26 1.55 Ethanol 82.1 ug/m3 05/28/20 20:40 64-17-53.0 1.5 1.55 Ethyl acetate 33.4 ug/m3 05/28/20 20:40 141-78-61.1 0.29 1.55 Ethylbenzene 2.0 ug/m3 05/28/20 20:40 100-41-41.4 0.21 1.55 n-Heptane ND ug/m3 05/28/20 20:40 142-82-51.3 0.31 1.55 n-Hexane 1.5 ug/m3 05/28/20 20:40 110-54-31.1 0.31 1.55 2-Hexanone 2.9J ug/m3 05/28/20 20:40 591-78-66.4 0.53 1.55 Methylene Chloride ND ug/m3 05/28/20 20:40 75-09-25.5 1.4 1.55 4-Methyl-2-pentanone (MIBK)1.8J ug/m3 05/28/20 20:40 108-10-16.4 0.27 1.55 Naphthalene 7.6 ug/m3 05/28/20 20:40 91-20-34.1 2.0 1.55 2-Propanol 7.3 ug/m3 05/28/20 20:40 67-63-03.9 0.59 1.55 Propylene ND ug/m3 05/28/20 20:40 115-07-10.54 0.15 1.55 Tetrachloroethene ND ug/m3 05/28/20 20:40 127-18-41.1 0.42 1.55 Toluene 104 ug/m3 05/28/20 20:40 108-88-31.2 0.27 1.55 Trichlorofluoromethane ND ug/m3 05/28/20 20:40 75-69-41.8 0.36 1.55 1,2,4-Trimethylbenzene 1.6 ug/m3 05/28/20 20:40 95-63-61.5 0.48 1.55 1,3,5-Trimethylbenzene 0.55J ug/m3 05/28/20 20:40 108-67-81.5 0.39 1.55 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 9 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:BAS-1 CAN#2189 Lab ID:92478995006 Collected:05/24/20 14:36 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 15.4 ug/m3 05/28/20 18:53 67-64-19.4 2.0 1.55 2-Butanone (MEK)5.7 ug/m3 05/28/20 18:53 78-93-34.6 0.87 1.55 Carbon disulfide ND ug/m3 05/28/20 18:53 75-15-00.98 0.17 1.55 Carbon tetrachloride ND ug/m3 05/28/20 18:53 56-23-52.0 0.40 1.55 Cyclohexane 0.47J ug/m3 05/28/20 18:53 110-82-72.7 0.23 1.55 1,4-Dichlorobenzene ND ug/m3 05/28/20 18:53 106-46-74.7 1.1 1.55 Dichlorodifluoromethane 1.8 ug/m3 05/28/20 18:53 75-71-81.6 0.26 1.55 Ethanol 8.5 ug/m3 05/28/20 18:53 64-17-53.0 1.5 1.55 Ethyl acetate ND ug/m3 05/28/20 18:53 141-78-61.1 0.29 1.55 Ethylbenzene 0.28J ug/m3 05/28/20 18:53 100-41-41.4 0.21 1.55 n-Heptane ND ug/m3 05/28/20 18:53 142-82-51.3 0.31 1.55 n-Hexane 0.86J ug/m3 05/28/20 18:53 110-54-31.1 0.31 1.55 2-Hexanone ND ug/m3 05/28/20 18:53 591-78-66.4 0.53 1.55 Methylene Chloride ND ug/m3 05/28/20 18:53 75-09-25.5 1.4 1.55 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/28/20 18:53 108-10-16.4 0.27 1.55 Naphthalene ND ug/m3 05/28/20 18:53 91-20-34.1 2.0 1.55 2-Propanol 1.1J ug/m3 05/28/20 18:53 67-63-03.9 0.59 1.55 Propylene ND ug/m3 05/28/20 18:53 115-07-10.54 0.15 1.55 Tetrachloroethene ND ug/m3 05/28/20 18:53 127-18-41.1 0.42 1.55 Toluene 2.7 ug/m3 05/28/20 18:53 108-88-31.2 0.27 1.55 Trichlorofluoromethane ND ug/m3 05/28/20 18:53 75-69-41.8 0.36 1.55 1,2,4-Trimethylbenzene ND ug/m3 05/28/20 18:53 95-63-61.5 0.48 1.55 1,3,5-Trimethylbenzene ND ug/m3 05/28/20 18:53 108-67-81.5 0.39 1.55 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 10 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-DUP CAN#1189 Lab ID:92478995007 Collected:05/24/20 00:00 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis TO15 MSV AIR Acetone 105 ug/m3 05/28/20 19:20 67-64-19.0 1.9 1.49 2-Butanone (MEK)306 ug/m3 05/29/20 11:32 78-93-344.7 8.3 14.9 Carbon disulfide 0.40J ug/m3 05/28/20 19:20 75-15-00.94 0.16 1.49 Carbon tetrachloride ND ug/m3 05/28/20 19:20 56-23-51.9 0.38 1.49 Cyclohexane ND ug/m3 05/28/20 19:20 110-82-72.6 0.22 1.49 1,4-Dichlorobenzene ND ug/m3 05/28/20 19:20 106-46-74.6 1.1 1.49 Dichlorodifluoromethane 1.6 ug/m3 05/28/20 19:20 75-71-81.5 0.25 1.49 Ethanol 79.5 ug/m3 05/28/20 19:20 64-17-52.9 1.4 1.49 Ethyl acetate 32.8 ug/m3 05/28/20 19:20 141-78-61.1 0.27 1.49 Ethylbenzene 2.0 ug/m3 05/28/20 19:20 100-41-41.3 0.21 1.49 n-Heptane 5.1 ug/m3 05/28/20 19:20 142-82-51.2 0.29 1.49 n-Hexane 1.5 ug/m3 05/28/20 19:20 110-54-31.1 0.30 1.49 2-Hexanone 2.8J ug/m3 05/28/20 19:20 591-78-66.2 0.51 1.49 Methylene Chloride ND ug/m3 05/28/20 19:20 75-09-25.3 1.4 1.49 4-Methyl-2-pentanone (MIBK)1.2J ug/m3 05/28/20 19:20 108-10-16.2 0.26 1.49 Naphthalene 7.0 ug/m3 05/28/20 19:20 91-20-34.0 1.9 1.49 2-Propanol 6.8 ug/m3 05/28/20 19:20 67-63-03.7 0.56 1.49 Propylene ND ug/m3 05/28/20 19:20 115-07-10.52 0.15 1.49 Tetrachloroethene ND ug/m3 05/28/20 19:20 127-18-41.0 0.40 1.49 Toluene 103 ug/m3 05/28/20 19:20 108-88-31.1 0.25 1.49 Trichlorofluoromethane ND ug/m3 05/28/20 19:20 75-69-41.7 0.34 1.49 1,2,4-Trimethylbenzene 1.5 ug/m3 05/28/20 19:20 95-63-61.5 0.46 1.49 1,3,5-Trimethylbenzene 0.52J ug/m3 05/28/20 19:20 108-67-81.5 0.37 1.49 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 11 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-1CAN#0223 Individual Cert Lab ID:92478995010 Collected:05/24/20 14:34 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 04/22/20 22:43 67-64-13.0 0.64 0.5 2-Butanone (MEK)ND ug/m3 04/22/20 22:43 78-93-31.5 0.28 0.5 Carbon disulfide ND ug/m3 04/22/20 22:43 75-15-00.32 0.054 0.5 Carbon tetrachloride ND ug/m3 04/22/20 22:43 56-23-50.64 0.13 0.5 Cyclohexane ND ug/m3 04/22/20 22:43 110-82-70.88 0.073 0.5 1,4-Dichlorobenzene ND ug/m3 04/22/20 22:43 106-46-71.5 0.37 0.5 Dichlorodifluoromethane ND ug/m3 04/22/20 22:43 75-71-80.50 0.084 0.5 Ethanol 0.49J ug/m3 04/22/20 22:43 64-17-52.4 0.47 0.5 Ethyl acetate ND ug/m3 04/22/20 22:43 141-78-60.37 0.092 0.5 Ethylbenzene ND ug/m3 04/22/20 22:43 100-41-40.44 0.069 0.5 n-Heptane ND ug/m3 04/22/20 22:43 142-82-50.42 0.098 0.5 n-Hexane ND ug/m3 04/22/20 22:43 110-54-30.36 0.10 0.5 2-Hexanone ND ug/m3 04/22/20 22:43 591-78-62.1 0.17 0.5 Methylene Chloride ND ug/m3 04/22/20 22:43 75-09-21.8 0.46 0.5 4-Methyl-2-pentanone (MIBK)ND ug/m3 04/22/20 22:43 108-10-12.1 0.088 0.5 Naphthalene ND ug/m3 04/22/20 22:43 91-20-31.3 0.64 0.5 2-Propanol ND ug/m3 04/22/20 22:43 67-63-01.2 0.19 0.5 Propylene ND ug/m3 04/22/20 22:43 115-07-10.18 0.049 0.5 Tetrachloroethene ND ug/m3 04/22/20 22:43 127-18-40.34 0.13 0.5 Toluene ND ug/m3 04/22/20 22:43 108-88-30.38 0.086 0.5 Trichlorofluoromethane ND ug/m3 04/22/20 22:43 75-69-40.57 0.12 0.5 1,2,4-Trimethylbenzene ND ug/m3 04/22/20 22:43 95-63-60.50 0.16 0.5 1,3,5-Trimethylbenzene ND ug/m3 04/22/20 22:43 108-67-80.50 0.12 0.5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 12 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-2 CAN#0253 Individual Cert Lab ID:92478995011 Collected:05/24/20 14:31 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 04/15/20 13:25 67-64-13.0 0.64 0.5 2-Butanone (MEK)ND ug/m3 04/15/20 13:25 78-93-31.5 0.28 0.5 Carbon disulfide ND ug/m3 04/15/20 13:25 75-15-00.32 0.054 0.5 Carbon tetrachloride ND ug/m3 04/15/20 13:25 56-23-50.64 0.13 0.5 Cyclohexane ND ug/m3 04/15/20 13:25 110-82-70.88 0.073 0.5 1,4-Dichlorobenzene ND ug/m3 04/15/20 13:25 106-46-71.5 0.37 0.5 Dichlorodifluoromethane ND ug/m3 04/15/20 13:25 75-71-80.50 0.084 0.5 Ethanol ND ug/m3 04/15/20 13:25 64-17-50.96 0.47 0.5 Ethyl acetate ND ug/m3 04/15/20 13:25 141-78-60.37 0.092 0.5 Ethylbenzene ND ug/m3 04/15/20 13:25 100-41-40.44 0.069 0.5 n-Heptane ND ug/m3 04/15/20 13:25 142-82-50.42 0.098 0.5 n-Hexane ND ug/m3 04/15/20 13:25 110-54-30.36 0.10 0.5 2-Hexanone ND ug/m3 04/15/20 13:25 591-78-62.1 0.17 0.5 Methylene Chloride ND ug/m3 04/15/20 13:25 75-09-21.8 0.46 0.5 4-Methyl-2-pentanone (MIBK)ND ug/m3 04/15/20 13:25 108-10-12.1 0.088 0.5 Naphthalene ND ug/m3 04/15/20 13:25 91-20-31.3 0.64 0.5 2-Propanol ND ug/m3 04/15/20 13:25 67-63-01.2 0.19 0.5 Propylene 0.10J ug/m3 04/15/20 13:25 115-07-10.18 0.049 0.5 Tetrachloroethene ND ug/m3 04/15/20 13:25 127-18-40.34 0.13 0.5 Toluene ND ug/m3 04/15/20 13:25 108-88-30.38 0.086 0.5 Trichlorofluoromethane ND ug/m3 04/15/20 13:25 75-69-40.57 0.12 0.5 1,2,4-Trimethylbenzene ND ug/m3 04/15/20 13:25 95-63-60.50 0.16 0.5 1,3,5-Trimethylbenzene ND ug/m3 04/15/20 13:25 108-67-80.50 0.12 0.5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 13 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-3 CAN#3597 Individual Cert Lab ID:92478995012 Collected:05/24/20 14:32 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 04/15/20 15:55 67-64-13.0 0.64 0.5 2-Butanone (MEK)ND ug/m3 04/15/20 15:55 78-93-31.5 0.28 0.5 Carbon disulfide ND ug/m3 04/15/20 15:55 75-15-00.32 0.054 0.5 Carbon tetrachloride ND ug/m3 04/15/20 15:55 56-23-50.64 0.13 0.5 Cyclohexane ND ug/m3 04/15/20 15:55 110-82-70.88 0.073 0.5 1,4-Dichlorobenzene ND ug/m3 04/15/20 15:55 106-46-71.5 0.37 0.5 Dichlorodifluoromethane ND ug/m3 04/15/20 15:55 75-71-80.50 0.084 0.5 Ethanol ND ug/m3 04/15/20 15:55 64-17-50.96 0.47 0.5 Ethyl acetate ND ug/m3 04/15/20 15:55 141-78-60.37 0.092 0.5 Ethylbenzene ND ug/m3 04/15/20 15:55 100-41-40.44 0.069 0.5 n-Heptane ND ug/m3 04/15/20 15:55 142-82-50.42 0.098 0.5 n-Hexane ND ug/m3 04/15/20 15:55 110-54-30.36 0.10 0.5 2-Hexanone ND ug/m3 04/15/20 15:55 591-78-62.1 0.17 0.5 Methylene Chloride ND ug/m3 04/15/20 15:55 75-09-21.8 0.46 0.5 4-Methyl-2-pentanone (MIBK)ND ug/m3 04/15/20 15:55 108-10-12.1 0.088 0.5 Naphthalene ND ug/m3 04/15/20 15:55 91-20-31.3 0.64 0.5 2-Propanol ND ug/m3 04/15/20 15:55 67-63-01.2 0.19 0.5 Propylene ND ug/m3 04/15/20 15:55 115-07-10.18 0.049 0.5 Tetrachloroethene ND ug/m3 04/15/20 15:55 127-18-40.34 0.13 0.5 Toluene ND ug/m3 04/15/20 15:55 108-88-30.38 0.086 0.5 Trichlorofluoromethane ND ug/m3 04/15/20 15:55 75-69-40.57 0.12 0.5 1,2,4-Trimethylbenzene ND ug/m3 04/15/20 15:55 95-63-60.50 0.16 0.5 1,3,5-Trimethylbenzene ND ug/m3 04/15/20 15:55 108-67-80.50 0.12 0.5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 14 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-4 CAN#0651 Individual Cert Lab ID:92478995013 Collected:05/24/20 14:49 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 05/18/20 17:29 67-64-13.0 0.64 0.5 2-Butanone (MEK)ND ug/m3 05/18/20 17:29 78-93-31.5 0.28 0.5 Carbon disulfide ND ug/m3 05/18/20 17:29 75-15-00.32 0.054 0.5 Carbon tetrachloride ND ug/m3 05/18/20 17:29 56-23-50.64 0.13 0.5 Cyclohexane ND ug/m3 05/18/20 17:29 110-82-70.88 0.073 0.5 1,4-Dichlorobenzene ND ug/m3 05/18/20 17:29 106-46-71.5 0.37 0.5 Dichlorodifluoromethane ND ug/m3 05/18/20 17:29 75-71-80.50 0.084 0.5 Ethanol ND ug/m3 05/18/20 17:29 64-17-50.96 0.47 0.5 Ethyl acetate ND ug/m3 05/18/20 17:29 141-78-60.37 0.092 0.5 Ethylbenzene ND ug/m3 05/18/20 17:29 100-41-40.44 0.069 0.5 n-Heptane ND ug/m3 05/18/20 17:29 142-82-50.42 0.098 0.5 n-Hexane ND ug/m3 05/18/20 17:29 110-54-30.36 0.10 0.5 2-Hexanone ND ug/m3 05/18/20 17:29 591-78-62.1 0.17 0.5 Methylene Chloride ND ug/m3 05/18/20 17:29 75-09-21.8 0.46 0.5 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/18/20 17:29 108-10-12.1 0.088 0.5 Naphthalene ND ug/m3 05/18/20 17:29 91-20-31.3 0.64 0.5 2-Propanol ND ug/m3 05/18/20 17:29 67-63-01.2 0.19 0.5 Propylene ND ug/m3 05/18/20 17:29 115-07-10.18 0.049 0.5 Tetrachloroethene ND ug/m3 05/18/20 17:29 127-18-40.34 0.13 0.5 Toluene ND ug/m3 05/18/20 17:29 108-88-30.38 0.086 0.5 Trichlorofluoromethane ND ug/m3 05/18/20 17:29 75-69-40.57 0.12 0.5 1,2,4-Trimethylbenzene ND ug/m3 05/18/20 17:29 95-63-60.50 0.16 0.5 1,3,5-Trimethylbenzene ND ug/m3 05/18/20 17:29 108-67-80.50 0.12 0.5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 15 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-6 CAN#2814 Individual Cert Lab ID:92478995014 Collected:05/24/20 14:33 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 04/24/20 11:12 67-64-13.0 0.64 0.5 2-Butanone (MEK)ND ug/m3 04/24/20 11:12 78-93-31.5 0.28 0.5 Carbon disulfide ND ug/m3 04/24/20 11:12 75-15-00.32 0.054 0.5 Carbon tetrachloride ND ug/m3 04/24/20 11:12 56-23-50.64 0.13 0.5 Cyclohexane ND ug/m3 04/24/20 11:12 110-82-70.88 0.073 0.5 1,4-Dichlorobenzene ND ug/m3 04/24/20 11:12 106-46-71.5 0.37 0.5 Dichlorodifluoromethane ND ug/m3 04/24/20 11:12 75-71-80.50 0.084 0.5 Ethanol ND ug/m3 04/24/20 11:12 64-17-50.96 0.47 0.5 Ethyl acetate ND ug/m3 04/24/20 11:12 141-78-60.37 0.092 0.5 Ethylbenzene ND ug/m3 04/24/20 11:12 100-41-40.44 0.069 0.5 n-Heptane ND ug/m3 04/24/20 11:12 142-82-50.42 0.098 0.5 n-Hexane ND ug/m3 04/24/20 11:12 110-54-30.36 0.10 0.5 2-Hexanone ND ug/m3 04/24/20 11:12 591-78-62.1 0.17 0.5 Methylene Chloride ND ug/m3 04/24/20 11:12 75-09-21.8 0.46 0.5 4-Methyl-2-pentanone (MIBK)ND ug/m3 04/24/20 11:12 108-10-12.1 0.088 0.5 Naphthalene ND ug/m3 04/24/20 11:12 91-20-31.3 0.64 0.5 2-Propanol ND ug/m3 04/24/20 11:12 67-63-01.2 0.19 0.5 Propylene ND ug/m3 04/24/20 11:12 115-07-10.18 0.049 0.5 Tetrachloroethene ND ug/m3 04/24/20 11:12 127-18-40.34 0.13 0.5 Toluene ND ug/m3 04/24/20 11:12 108-88-30.38 0.086 0.5 Trichlorofluoromethane ND ug/m3 04/24/20 11:12 75-69-40.57 0.12 0.5 1,2,4-Trimethylbenzene ND ug/m3 04/24/20 11:12 95-63-60.50 0.16 0.5 1,3,5-Trimethylbenzene ND ug/m3 04/24/20 11:12 108-67-80.50 0.12 0.5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 16 of 27 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92478995 WPP.005 Sample:IAS-DUP CAN#1189 Indiv Cert Lab ID:92478995015 Collected:05/24/20 00:00 Received:05/26/20 08:40 Matrix:Air Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: TO-15 Pace Analytical Services - Minneapolis Individual Can Certification Acetone ND ug/m3 05/18/20 21:49 67-64-16.0 1.3 1 2-Butanone (MEK)ND ug/m3 05/18/20 21:49 78-93-33.0 0.56 1 Carbon disulfide ND ug/m3 05/18/20 21:49 75-15-00.63 0.11 1 Carbon tetrachloride ND ug/m3 05/18/20 21:49 56-23-51.3 0.26 1 Cyclohexane ND ug/m3 05/18/20 21:49 110-82-71.8 0.15 1 1,4-Dichlorobenzene ND ug/m3 05/18/20 21:49 106-46-73.1 0.74 1 Dichlorodifluoromethane ND ug/m3 05/18/20 21:49 75-71-81.0 0.17 1 Ethanol ND ug/m3 05/18/20 21:49 64-17-51.9 0.94 1 Ethyl acetate ND ug/m3 05/18/20 21:49 141-78-60.73 0.18 1 Ethylbenzene ND ug/m3 05/18/20 21:49 100-41-40.88 0.14 1 n-Heptane ND ug/m3 05/18/20 21:49 142-82-50.83 0.20 1 n-Hexane ND ug/m3 05/18/20 21:49 110-54-30.72 0.20 1 2-Hexanone ND ug/m3 05/18/20 21:49 591-78-64.2 0.34 1 Methylene Chloride ND ug/m3 05/18/20 21:49 75-09-23.5 0.93 1 4-Methyl-2-pentanone (MIBK)ND ug/m3 05/18/20 21:49 108-10-14.2 0.18 1 Naphthalene ND ug/m3 05/18/20 21:49 91-20-32.7 1.3 1 2-Propanol ND ug/m3 05/18/20 21:49 67-63-02.5 0.38 1 Propylene ND ug/m3 05/18/20 21:49 115-07-10.35 0.098 1 Tetrachloroethene ND ug/m3 05/18/20 21:49 127-18-40.69 0.27 1 Toluene ND ug/m3 05/18/20 21:49 108-88-30.77 0.17 1 Trichlorofluoromethane ND ug/m3 05/18/20 21:49 75-69-41.1 0.23 1 1,2,4-Trimethylbenzene ND ug/m3 05/18/20 21:49 95-63-61.0 0.31 1 1,3,5-Trimethylbenzene ND ug/m3 05/18/20 21:49 108-67-81.0 0.25 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 17 of 27 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92478995 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. QC Batch: QC Batch Method: Analysis Method: Analysis Description: 677886 TO-15 TO-15 TO15 MSV AIR Low Level Laboratory:Pace Analytical Services - Minneapolis Associated Lab Samples:92478995001, 92478995002, 92478995003, 92478995004, 92478995005, 92478995006, 92478995007 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:3627983 Associated Lab Samples:92478995001, 92478995002, 92478995003, 92478995004, 92478995005, 92478995006, 92478995007 Matrix:Air AnalyzedMDL 1,2,4-Trimethylbenzene ug/m3 ND 1.0 05/28/20 10:370.31 1,3,5-Trimethylbenzene ug/m3 ND 1.0 05/28/20 10:370.25 1,4-Dichlorobenzene ug/m3 ND 3.1 05/28/20 10:370.74 2-Butanone (MEK)ug/m3 ND 3.0 05/28/20 10:370.56 2-Hexanone ug/m3 ND 4.2 05/28/20 10:370.34 2-Propanol ug/m3 ND 2.5 05/28/20 10:370.38 4-Methyl-2-pentanone (MIBK)ug/m3 ND 4.2 05/28/20 10:370.18 Acetone ug/m3 ND 6.0 05/28/20 10:371.3 Carbon disulfide ug/m3 ND 0.63 05/28/20 10:370.11 Carbon tetrachloride ug/m3 ND 1.3 05/28/20 10:370.26 Cyclohexane ug/m3 ND 1.8 05/28/20 10:370.15 Dichlorodifluoromethane ug/m3 ND 1.0 05/28/20 10:370.17 Ethanol ug/m3 ND 1.9 05/28/20 10:370.94 Ethyl acetate ug/m3 ND 0.73 05/28/20 10:370.18 Ethylbenzene ug/m3 ND 0.88 05/28/20 10:370.14 Methylene Chloride ug/m3 ND 3.5 05/28/20 10:370.93 n-Heptane ug/m3 ND 0.83 05/28/20 10:370.20 n-Hexane ug/m3 ND 0.72 05/28/20 10:370.20 Naphthalene ug/m3 ND 2.7 05/28/20 10:371.3 Propylene ug/m3 ND 0.35 05/28/20 10:370.098 Tetrachloroethene ug/m3 ND 0.69 05/28/20 10:370.27 Toluene ug/m3 ND 0.77 05/28/20 10:370.17 Trichlorofluoromethane ug/m3 ND 1.1 05/28/20 10:370.23 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 3627984LABORATORY CONTROL SAMPLE: LCSSpike 1,2,4-Trimethylbenzene ug/m3 51.351.5 100 70-137 1,3,5-Trimethylbenzene ug/m3 51.051.6 99 70-136 1,4-Dichlorobenzene ug/m3 65.363.4 103 70-145 2-Butanone (MEK)ug/m3 26.831.4 85 61-130 2-Hexanone ug/m3 47.342.8 111 70-138 2-Propanol ug/m3 127119 106 70-136 4-Methyl-2-pentanone (MIBK)ug/m3 45.543.6 104 70-134 Acetone ug/m3 132126 104 59-137 Carbon disulfide ug/m3 32.933.3 99 70-130 Carbon tetrachloride ug/m3 62.366.2 94 70-133 Cyclohexane ug/m3 39.636.7 108 70-133 Dichlorodifluoromethane ug/m3 54.251.6 105 70-130 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 18 of 27 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92478995 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 3627984LABORATORY CONTROL SAMPLE: LCSSpike Ethanol ug/m3 101103 98 65-135 Ethyl acetate ug/m3 35.438.6 92 70-135 Ethylbenzene ug/m3 45.245.6 99 70-142 Methylene Chloride ug/m3 191182 105 69-130 n-Heptane ug/m3 44.043.6 101 70-130 n-Hexane ug/m3 34.537.6 92 70-131 Naphthalene ug/m3 54.757.7 95 63-130 Propylene ug/m3 16.618.2 92 63-139 Tetrachloroethene ug/m3 74.471 105 70-136 Toluene ug/m3 39.539.5 100 70-136 Trichlorofluoromethane ug/m3 69.359.7 116 65-136 Parameter Units Dup Result Max RPD QualifiersRPDResult 10519173001 3629105SAMPLE DUPLICATE: 1,2,4-Trimethylbenzene ug/m3 ND 25<0.47 1,3,5-Trimethylbenzene ug/m3 ND 25<0.38 1,4-Dichlorobenzene ug/m3 ND 25<1.1 2-Butanone (MEK)ug/m3 3.7J 253.7J 2-Hexanone ug/m3 ND 25<0.52 2-Propanol ug/m3 54.2 1 2553.6 4-Methyl-2-pentanone (MIBK)ug/m3 0.40J 250.43J Acetone ug/m3 67.7 3 2565.5 Carbon disulfide ug/m3 ND 25<0.16 Carbon tetrachloride ug/m3 0.41J 25<0.39 Cyclohexane ug/m3 ND 25<0.22 Dichlorodifluoromethane ug/m3 15.5 2 2515.2 Ethanol ug/m3 892 E125880 Ethyl acetate ug/m3 4.2 0 254.2 Ethylbenzene ug/m3 0.38J 250.38J Methylene Chloride ug/m3 ND 25<1.4 n-Heptane ug/m3 ND 25<0.30 n-Hexane ug/m3 1.5 3 251.5 Naphthalene ug/m3 ND 25<1.9 Propylene ug/m3 ND 25<0.15 Tetrachloroethene ug/m3 ND 25<0.41 Toluene ug/m3 3.3 1 253.3 Trichlorofluoromethane ug/m3 0.59J 250.59J Parameter Units Dup Result Max RPD QualifiersRPDResult 10519179001 3629106SAMPLE DUPLICATE: 1,2,4-Trimethylbenzene ug/m3 ND 25<0.48 1,3,5-Trimethylbenzene ug/m3 ND 25<0.39 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 19 of 27 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92478995 WPP.005 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. Parameter Units Dup Result Max RPD QualifiersRPDResult 10519179001 3629106SAMPLE DUPLICATE: 1,4-Dichlorobenzene ug/m3 ND 25<1.1 2-Butanone (MEK)ug/m3 2.8J 252.9J 2-Hexanone ug/m3 ND 25<0.53 2-Propanol ug/m3 7.5 6 258.0 4-Methyl-2-pentanone (MIBK)ug/m3 ND 25<0.27 Acetone ug/m3 43.9 5 2546.2 Carbon disulfide ug/m3 ND 25<0.17 Carbon tetrachloride ug/m3 ND 25<0.40 Cyclohexane ug/m3 ND 25<0.23 Dichlorodifluoromethane ug/m3 8.0 14 259.2 Ethanol ug/m3 167 E425173 Ethyl acetate ug/m3 ND 250.85J Ethylbenzene ug/m3 ND 25<0.21 Methylene Chloride ug/m3 3.2J 253.7J n-Heptane ug/m3 ND 25<0.31 n-Hexane ug/m3 0.45J 250.45J Naphthalene ug/m3 ND 25<2.0 Propylene ug/m3 ND 25<0.15 Tetrachloroethene ug/m3 ND 25<0.42 Toluene ug/m3 0.83J 250.89J Trichlorofluoromethane ug/m3 0.59J 250.59J REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 20 of 27 #=QL# QUALIFIERS Pace Project No.: Project: 92478995 WPP.005 DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL - Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and bias for a specific analyte in a specific matrix. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean-Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether. A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI - The NELAC Institute. ANALYTE QUALIFIERS Analyte concentration exceeded the calibration range. The reported result is estimated.E REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 21 of 27 #=CR# QUALITY CONTROL DATA CROSS REFERENCE TABLE Pace Project No.: Project: 92478995 WPP.005 Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch 92478995001 677886IAS-1 CAN#0223 TO-15 92478995002 677886IAS-2 CAN#0253 TO-15 92478995003 677886IAS-3 CAN#3597 TO-15 92478995004 677886IAS-4 CAN#0651 TO-15 92478995005 677886IAS-6 CAN#2814 TO-15 92478995006 677886BAS-1 CAN#2189 TO-15 92478995007 677886IAS-DUP CAN#1189 TO-15 92478995010 678173IAS-1CAN#0223 Individual Cert TO-15 92478995011 678173IAS-2 CAN#0253 Individual Cert TO-15 92478995012 678173IAS-3 CAN#3597 Individual Cert TO-15 92478995013 678173IAS-4 CAN#0651 Individual Cert TO-15 92478995014 678173IAS-6 CAN#2814 Individual Cert TO-15 92478995015 678173IAS-DUP CAN#1189 Indiv Cert TO-15 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 06/01/2020 12:02 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 22 of 27 Page 23 of 27 Page 24 of 27 Page 25 of 27 Page 26 of 27 05/27/20 Page 27 of 27 Appendix G DEQ Risk Calculator Version Date: Basis: Site Name: Site Address: DEQ Section: Site ID: Exposure Unit ID: Submittal Date: Reviewed By: 8/3/2020 Prepared By:H&H Worst-Case Scenario North Carolina Department of Environmental Quality Risk Calculator Chadbourn Mill 451 Jordan Place DEQ DWM Brownfields 20086-16-060 July 2020 May 2020 EPA RSL Table North Carolina DEQ Risk Calculator Complete Exposure Pathways Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario Note: Risk output will only be calculated for complete exposure pathways. Receptor Pathway Check box if pathway complete Soil Groundwater Use Soil Groundwater Use Construction Worker Soil Soil Surface Water Groundwater to Indoor Air Soil Gas to Indoor Air Indoor Air Groundwater to Indoor Air Soil Gas to Indoor Air Indoor Air Source Soil Source Groundwater Source Soil Source Groundwater Input Form 1A VAPOR INTRUSION PATHWAYS DIRECT CONTACT SOIL AND WATER PATHWAYS Resident Non-Residential Worker Recreator/Trespasser Resident Non-Residential Worker CONTAMINANT MIGRATION PATHWAYS Groundwater Surface Water North Carolina DEQ Risk Calculator Exposure Point Concentrations Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario Description of Exposure Point Concentration Selection: Note: Chemicals highlighted in orange are non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk values are calculated for these chemicals. Exposure Point Concentration (ug/m3) Notes:CAS Number Chemical Minimum Concentration (Qualifier) Maximum Concentration (Qualifier) Units Location of Maximum Concentration Detection Frequency Range of Detection Limits Concentration Used for Screening Background Value Screening Toxicity Value (Screening Level) (n/c) Potential ARAR/TBC Value Potential ARAR/TBC Source COPC Flag (Y/N) Rationale for Selection or Deletion 119 67-64-1 Acetone ug/m3 2 75-15-0 Carbon Disulfide ug/m3 4.9 56-23-5 Carbon Tetrachloride ug/m3 4.8 110-82-7 Cyclohexane ug/m3 6.6 106-46-7 Dichlorobenzene, 1,4-ug/m3 2.9 75-71-8 Dichlorodifluoromethane ug/m3 147 141-78-6 Ethyl Acetate ug/m3 1.1 100-41-4 Ethylbenzene ug/m3 0.67 142-82-5 Heptane, N-ug/m3 1.1 110-54-3 Hexane, N-ug/m3 2.2 591-78-6 Hexanone, 2-ug/m3 44.8 67-63-0 Isopropanol ug/m3 18 78-93-3 Methyl Ethyl Ketone (2-Butanone)ug/m3 1.9 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)ug/m3 21.4 75-09-2 Methylene Chloride ug/m3 31.3 91-20-3 ~Naphthalene ug/m3 0.94 115-07-1 Propylene ug/m3 143 127-18-4 Tetrachloroethylene ug/m3 20.1 108-88-3 Toluene ug/m3 19.8 75-69-4 Trichlorofluoromethane ug/m3 0.76 95-63-6 Trimethylbenzene, 1,2,4-ug/m3 0.9 108-67-8 Trimethylbenzene, 1,3,5-ug/m3 Input Form 2D Soil Gas Exposure Point Concentration Table North Carolina DEQ Risk Calculator Exposure Point Concentrations Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario Description of Exposure Point Concentration Selection: Exposure Point Concentration (ug/m3) Notes:CAS Number Chemical Minimum Concentration (Qualifier) Maximum Concentration (Qualifier) Units Location of Maximum Concentration Detection Frequency Range of Detection Limits Concentration Used for Screening Background Value Screening Toxicity Value (Screening Level) (n/c) Potential ARAR/TBC Value Potential ARAR/TBC Source COPC Flag (Y/N) Rationale for Selection or Deletion 141 67-64-1 Acetone ug/m3 0.82 75-15-0 Carbon Disulfide ug/m3 3.9 110-82-7 Cyclohexane ug/m3 1.8 75-71-8 Dichlorodifluoromethane ug/m3 33.4 141-78-6 Ethyl Acetate ug/m3 2 100-41-4 Ethylbenzene ug/m3 5.1 142-82-5 Heptane, N-ug/m3 3.9 110-54-3 Hexane, N-ug/m3 5.9 591-78-6 Hexanone, 2-ug/m3 13.2 67-63-0 Isopropanol ug/m3 357 78-93-3 Methyl Ethyl Ketone (2-Butanone)ug/m3 2.3 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)ug/m3 7.6 91-20-3 ~Naphthalene ug/m3 7.6 115-07-1 Propylene ug/m3 1 127-18-4 Tetrachloroethylene ug/m3 104 108-88-3 Toluene ug/m3 1.7 95-63-6 Trimethylbenzene, 1,2,4-ug/m3 0.56 108-67-8 Trimethylbenzene, 1,3,5-ug/m3 Input Form 2E Indoor Air Exposure Point Concentration Table Note: Chemicals highlighted in orange are non-volatile chemicals. Risks are calculated for these chemicals if indoor air concentrations are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with vapor intrusion. North Carolina DEQ Risk Calculator Risk for Individual Pathways Output Form 1A Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario Receptor Pathway Carcinogenic Risk Hazard Index Risk exceeded? Soil NC NC NC Groundwater Use*NC NC NC Soil NC NC NC Groundwater Use*NC NC NC Construction Worker Soil NC NC NC Soil NC NC NC Surface Water*NC NC NC Receptor Pathway Carcinogenic Risk Hazard Index Risk exceeded? Groundwater to Indoor Air NC NC NC Soil Gas to Indoor Air NC NC NC Indoor Air NC NC NC Groundwater to Indoor Air NC NC NC Soil Gas to Indoor Air 9.8E-07 3.8E-02 NO Indoor Air 2.1E-05 7.9E-01 NO Pathway Source Source Soil NC Source Groundwater NC Source Soil NC Source Groundwater NC 3. NM = Not Modeled 4. NC = Pathway not complete DIRECT CONTACT SOIL AND WATER CALCULATORS Resident Non-Residential Worker Recreator/Trespasser 2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the NC 2B Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk-based closure. Surface Water Exceedence of 2B at Receptor? Exceedence of 2B at Receptor? VAPOR INTRUSION CALCULATORS Resident Non-Residential Worker CONTAMINANT MIGRATION CALCULATORS Target Receptor Concentrations Exceeded? Groundwater Exceedence of 2L at Receptor? Exceedence of 2L at Receptor? 1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations. Notes: North Carolina DEQ Risk Calculator DEQ Risk Calculator - Vapor Intrusion - Non-Residential Worker Soil Gas to Indoor Air Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario CAS #Chemical Name: Soil Gas Concentration (ug/m3) Calculated Indoor Air Concentration (ug/m3) Target Indoor Air Conc. for Carcinogens @ TCR = 1E-06 Target Indoor Air Conc. for Non- Carcinogens @ THQ = 0.2 Calculated Carcinogenic Risk Calculated Non- Carcinogenic Hazard Quotient 67-64-1 Acetone 119 1.19 -2.7E+04 8.8E-06 75-15-0 Carbon Disulfide 2 0.02 -6.1E+02 6.5E-06 56-23-5 Carbon Tetrachloride 4.9 0.049 2.0E+00 8.8E+01 2.4E-08 1.1E-04 110-82-7 Cyclohexane 4.8 0.048 -5.3E+03 1.8E-06 106-46-7 Dichlorobenzene, 1,4-6.6 0.066 1.1E+00 7.0E+02 5.9E-08 1.9E-05 75-71-8 Dichlorodifluoromethane 2.9 0.029 -8.8E+01 6.6E-05 141-78-6 Ethyl Acetate 147 1.47 -6.1E+01 4.8E-03 100-41-4 Ethylbenzene 1.1 0.011 4.9E+00 8.8E+02 2.2E-09 2.5E-06 142-82-5 Heptane, N-0.67 0.0067 -3.5E+02 3.8E-06 110-54-3 Hexane, N-1.1 0.011 -6.1E+02 3.6E-06 591-78-6 Hexanone, 2-2.2 0.022 -2.6E+01 1.7E-04 67-63-0 Isopropanol 44.8 0.448 -1.8E+02 5.1E-04 78-93-3 Methyl Ethyl Ketone (2-Butanone)18 0.18 -4.4E+03 8.2E-06 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)1.9 0.019 -2.6E+03 1.4E-06 75-09-2 Methylene Chloride 21.4 0.214 1.2E+03 5.3E+02 1.7E-10 8.1E-05 91-20-3 ~Naphthalene 31.3 0.313 3.6E-01 2.6E+00 8.7E-07 2.4E-02 115-07-1 Propylene 0.94 0.0094 -2.6E+03 7.2E-07 127-18-4 Tetrachloroethylene 143 1.43 4.7E+01 3.5E+01 3.0E-08 8.2E-03 108-88-3 Toluene 20.1 0.201 -4.4E+03 9.2E-06 75-69-4 Trichlorofluoromethane 19.8 0.198 -- 95-63-6 Trimethylbenzene, 1,2,4-0.76 0.0076 -5.3E+01 2.9E-05 108-67-8 Trimethylbenzene, 1,3,5-0.9 0.009 -5.3E+01 3.4E-05 Cumulative:9.8E-07 3.8E-02 All concentrations are in ug/m3 Output Form 3E Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk values are calculated for these chemicals. North Carolina DEQ Risk Calculator DEQ Risk Calculator - Vapor Intrusion - Non-Residential Worker Indoor Air Version Date: July 2020 Basis: May 2020 EPA RSL Table Site ID: 20086-16-060 Exposure Unit ID: Worst-Case Scenario CAS #Chemical Name: Indoor Air Concentration (ug/m3) Target Indoor Air Conc. for Carcinogens @ TCR = 1E-06 Target Indoor Air Conc. for Non- Carcinogens @ THQ = 0.2 Calculated Carcinogenic Risk Calculated Non- Carcinogenic Hazard Quotient 67-64-1 Acetone 141 -2.7E+04 1.0E-03 75-15-0 Carbon Disulfide 0.82 -6.1E+02 2.7E-04 110-82-7 Cyclohexane 3.9 -5.3E+03 1.5E-04 75-71-8 Dichlorodifluoromethane 1.8 -8.8E+01 4.1E-03 141-78-6 Ethyl Acetate 33.4 -6.1E+01 1.1E-01 100-41-4 Ethylbenzene 2 4.9E+00 8.8E+02 4.1E-07 4.6E-04 142-82-5 Heptane, N-5.1 -3.5E+02 2.9E-03 110-54-3 Hexane, N-3.9 -6.1E+02 1.3E-03 591-78-6 Hexanone, 2-5.9 -2.6E+01 4.5E-02 67-63-0 Isopropanol 13.2 -1.8E+02 1.5E-02 78-93-3 Methyl Ethyl Ketone (2-Butanone)357 -4.4E+03 1.6E-02 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)2.3 -2.6E+03 1.8E-04 91-20-3 ~Naphthalene 7.6 3.6E-01 2.6E+00 2.1E-05 5.8E-01 115-07-1 Propylene 7.6 -2.6E+03 5.8E-04 127-18-4 Tetrachloroethylene 1 4.7E+01 3.5E+01 2.1E-08 5.7E-03 108-88-3 Toluene 104 -4.4E+03 4.7E-03 95-63-6 Trimethylbenzene, 1,2,4-1.7 -5.3E+01 6.5E-03 108-67-8 Trimethylbenzene, 1,3,5-0.56 -5.3E+01 2.1E-03 Cumulative:2.1E-05 7.9E-01 All concentrations are in ug/m3 Output Form 3F ** - Note that the EPA has no consensus on reference dose or cancer slope factor values for lead, therefore it is not possible to calculate carcinogenic risk or hazard quotient. Lead concentrations are compared to the National Ambient Air Quality Standard of 0.15 μg/m3. Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air concentrations are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with vapor intrusion. North Carolina DEQ Risk Calculator Appendix H Building Survey Form and Construction Material Information INDOOR AIR BUILDING SURVEY and SAMPLING FORM Site Name: ____________________________________ DSCAID#: ______________________ Preparer’s name: ________________________________ Date: __________________________ Preparer’s affiliation: ____________________________ Phone #: _______________________ Part I - Occupants Building Address: ____________________________________________________________________ Property Contact: _______________________________ Owner / Renter / other: ______________ Contact’s Phone: home ( )__________ work ( )______________ cell ( )____________ # of Building occupants: Children under age 13 _____ Children age 13-18 ______ Adults _____ Part II – Building Characteristics Building type: residential / multi-family residential / office / strip mall / commercial / industrial Describe building: ________________________________________ Year constructed: _________ Sensitive population: day care / nursing home / hospital / school / other (specify): _______________ Number of floors below grade: ______ (full basement / crawl space / slab on grade) Number of floors at or above grade: ______ Depth of basement below grade surface: ______ ft. Basement size: _______ ft2 Basement floor construction: concrete / dirt / floating / stone / other (specify): ________________ Foundation walls: poured concrete / cinder blocks / stone / other (specify) ________________ Basement sump present? Yes / No Sump pump? Yes / No Water in sump? Yes / No Type of heating system (circle all that apply): hot air circulation hot air radiation wood steam radiation heat pump hot water radiation kerosene heater electric baseboard other (specify): ________________________ Type of ventilation system (circle all that apply): central air conditioning mechanical fans bathroom ventilation fans individual air conditioning units kitchen range hood fan outside air intake other (specify): _________________ Type of fuel utilized (circle all that apply): Natural gas / electric / fuel oil / wood / coal / solar / kerosene Are the basement walls or floor sealed with waterproof paint or epoxy coatings? Yes / No Chadbourn Mill Alexis McKenzie 6/24/20 H&H - 451 Jordan Place Steve Hartley GC slab on grade, brick, upfit of former warehouse 1937 n/a 0 2 n/a Is there a whole house fan? Yes / No Septic system? Yes / Yes (but not used) / No Irrigation/private well? Yes / Yes (but not used) / No Type of ground cover outside of building: grass / concrete / asphalt / other (specify) _____________ Existing subsurface depressurization (radon) system in place? Yes / No active / passive Sub-slab vapor/moisture barrier in place? Yes / No Type of barrier: ____________________________ Part III - Outside Contaminant Sources Other stationary sources nearby (gas stations, emission stacks, etc.): _____________________________ Heavy vehicular traffic nearby (or other mobile sources): ______________________________________ Part IV – Indoor Contaminant Sources Identify all potential indoor sources found in the building (including attached garages), the location of the source (floor and room), and whether the item was removed from the building 48 hours prior to indoor air sampling event. Any ventilation implemented after removal of the items should be completed at least 24 hours prior to the commencement of the indoor air sampling event. Potential Sources Location(s)Removed (Yes / No / NA) Gasoline storage cans Gas-powered equipment Kerosene storage cans Paints / thinners / strippers Cleaning solvents Oven cleaners Carpet / upholstery cleaners Other house cleaning products Moth balls Polishes / waxes Insecticides Furniture / floor polish Nail polish / polish remover Hairspray Cologne / perfume Air fresheners Fuel tank (inside building)NA Wood stove or fireplace NA New furniture / upholstery New carpeting / flooring NA Hobbies - glues, paints, etc. unfinished - dirt railroad Jordan Place, North Davidson Street N/A Part V – Miscellaneous Items Do any occupants of the building smoke? Yes / No How often? ______________ Last time someone smoked in the building? ____________ hours / days ago Does the building have an attached garage directly connected to living space? Yes / No If so, is a car usually parked in the garage? Yes / No Are gas-powered equipment or cans of gasoline/fuels stored in the garage? Yes / No Do the occupants of the building have their clothes dry cleaned? Yes / No If yes, how often? weekly / monthly / 3-4 times a year Do any of the occupants use solvents in work? Yes / No If yes, what types of solvents are used? _______________________________________ If yes, are their clothes washed at work? Yes / No Have any pesticides/herbicides been applied around the building or in the yard? Yes / No If so, when and which chemicals? _________________________________________________ Has there ever been a fire in the building? Yes / No If yes, when? _____________ Has painting or staining been done in the building in the last 6 months? Yes / No If yes, when __________________ and where? ____________________________ Part VI – Sampling Information Sample Technician: ____________________________ Phone number: ( ) _______ - __________ Sample Source: Indoor Air / Crawlspace Air / Sub-Slab / Near Slab Soil Gas / Exterior Soil Gas Sampler Type: Tedlar bag / Sorbent / Stainless Steel Canister / Other (specify): _________________ Analytical Method: TO-15 / TO-17 / other: _________ Cert. Laboratory: _________________ Sample locations (floor, room): Field ID # _____ - ________________________ Field ID # _____ - __________________________ Field ID # _____ - ________________________ Field ID # _____ - __________________________ Were “Instructions for Occupants” followed? Yes / No If not, describe modifications: __________________________________________________________ window installation SDS sheets attached Alexis McKenzie IAS-1 through IAS-4 BAS-1 IAS-6 Provide Drawing of Sample Location(s) in Building Part VII - Meteorological Conditions Was there significant precipitation within 12 hours prior to (or during) the sampling event? Yes / No Describe the general weather conditions: ___________________________________________________ _____________________________________________________________________________________ Part VIII – General Observations Provide any information that may be pertinent to the sampling event and may assist in the data interpretation process (e.g., observed that drycleaner operated with door or windows propped open for ventilation). (Adapted from the NJDEP Vapor Intrusion Guidance, October 2005) sunny, 70s windows and doors were installed prior to the indoor air sampling event - SDS sheets are attached Hart and Hickman, PCIndoor Air SamplingTimeTemperatureoFDifferential Pressure (in Water)VacuumTemperatureoFPrecipitation(inches)Barometric Pressure(in Hg)Wind Direction Wind Speed (mph)Summa:RegulatorSumma:RegulatorSumma:RegulatorNotes:Summa:RegulatorSumma:RegulatorSumma:RegulatorSumma:RegulatorInformation from weather station VHWXSE\+ +during indoor air sampling event.The symbol բ distinguishes relative change in barometric pressure.Negative indoor air differential pressure indicates that the pressure in the building was lower than the outside pressure. NA = Not ApplicableShut-in Test Completed:H&H Job:Date:Sampled By:Sample LocationSampleOutdoorIndoorIAS-1Northern Corner07:15 70 0.000 -27 67 0.0 30.07 -- 011:17 75 0.000 -14.5 84 0.0 30.10 NE 40223 14:34 76 0.000 -5 88 0.0 30.06 SE 51043IAS-2/IAS-DUPCentral building area07:13 70 0.000 -29/-3011:17 75 0.000 -15/-150253/1189 14:31 76 0.000 -4/-31804/1672IAS-3Eastern Corner07:10 70 0.000 -3011:15 75 0.000 -153597 14:32 76 0.000 -41378IAS-4Western Stairwell07:16 70 0.000 -3011:18 75 0.001 -17.50651 14:49 76 0.001 -51257IAS-6Southern Corner07:12 70 0.000 -3011:16 75 0.000 -152814 14:33 76 0.000 -40223BAS-1Background07:18 -- -- -29.511:18 -- -- -152189 14:36 -- -- -42056WPP-0055/24/20AEM5/22/20 Appendix H Construction Material Compounds of Concern Summary Chadbourn Mill 451 Jordan Place Charlotte, North Carolina H&H Job No. WPP-005 S:\AAA-Master Projects\White Point Partners (WPP)\WPP-005 Chadbourn VMP\Installation Completion Report\Attachments\SDS Compounds of Concern Summary.docx Construction Material Compounds of Concern Pecora 890 NST - Sealant 2-butanone, naphthalene Methyl Ethyl Ketone 2-butanone Isopropyl Alcohol Isopropyl alcohol (286 $).-;@ );) $0--; )++69,15/ ;6 $ $  #    )5, ($  #-/<3);165: *6F:C:?> +6@D6=36B       ,-5;1.1+);165 M !96,<+; 1,-5;1.1-9 M %9),- 5)4- !-+69)  $% M ;0-9 4-)5: 6. 1,-5;1.1+);165(64?B2  &?> +D2:>:>8 ,649>?<?8I M #-+644-5,-, <:- )5, 9-:;91+;165 65 <:- M #-+644-5,-, <:-+62<2>D M #-:;91+;165: 65 <:-&? 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Identification Product Name Methyl Ethyl Ketone Cat No. : M209-1, M209-20, M209-200, M209-4, M209-500, M209S-4, M209FB-19, M209FB-50, M209FB-115, M209FB-200, M209RB-115, M209RS-19, M209RS-28, M209RS-50, M209RS-200, M209SS-28, M209SS-50, M209SS-115, M209SS-200 CAS-No 78-93-3 Synonyms 2-Butanone; MEK; Ethyl methyl ketone Recommended Use Laboratory chemicals. Uses advised against Not for food, drug, pesticide or biocidal product use Details of the supplier of the safety data sheet Emergency Telephone Number CHEMTREC“, Inside the USA: 800-424-9300 CHEMTREC“, Outside the USA: 001-703-527-3887 2. Hazard(s) identification ClassificationThis chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Label Elements Signal WordDanger Hazard StatementsHighly flammable liquid and vaporCauses serious eye irritationMay cause drowsiness or dizzinessMay cause damage to organs through prolonged or repeated exposure CompanyFisher ScientificOne Reagent LaneFair Lawn, NJ 07410Tel: (201) 796-7100 Serious Eye Damage/Eye Irritation Category 2Specific target organ toxicity (single exposure) Category 3Target Organs - Central nervous system (CNS).Specific target organ toxicity - (repeated exposure) Category 2Target Organs - Kidney, Liver. Flammable liquids ______________________________________________________________________________________________ Page 1 / 8 Category 2 ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 Precautionary Statements PreventionWash face, hands and any exposed skin thoroughly after handlingDo not breathe dust/fume/gas/mist/vapors/sprayUse only outdoors or in a well-ventilated areaKeep away from heat/sparks/open flames/hot surfaces. - No smokingKeep container tightly closedGround/bond container and receiving equipmentUse explosion-proof electrical/ventilating/lighting/equipmentUse only non-sparking toolsTake precautionary measures against static dischargeWear protective gloves/protective clothing/eye protection/face protectionKeep cool ResponseGet medical attention/advice if you feel unwell InhalationIF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathingCall a POISON CENTER or doctor/physician if you feel unwell SkinIF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower EyesIF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsingIf eye irritation persists: Get medical advice/attention FireIn case of fire: Use CO2, dry chemical, or foam for extinction StorageStore in a well-ventilated place. Keep container tightly closedStore locked up DisposalDispose of contents/container to an approved waste disposal plant Hazards not otherwise classified (HNOC)Repeated exposure may cause skin dryness or cracking 3. Composition/Information on Ingredients Component CAS-No Weight % Methyl ethyl ketone 78-93-3 >95 4. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least15minutes.Getmedical attention. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Get medical attention ifsymptoms occur. Inhalation Move to fresh air. Get medical attention if symptoms occur. If not breathing, give artificialrespiration. ______________________________________________________________________________________________ Page 2 / 8 ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 Ingestion Do not induce vomiting. Obtain medical attention. Most important symptoms and effects Breathing difficulties. Symptoms of overexposure may be headache, dizziness, tiredness,nausea and vomiting: Inhalation of high vapor concentrations may cause symptoms likeheadache, dizziness, tiredness, nausea and vomiting Notes to Physician Treat symptomatically 5. Fire-fighting measures Suitable Extinguishing Media CO 2, dry chemical, dry sand, alcohol-resistant foam. Cool closed containers exposed to firewith water spray. Unsuitable Extinguishing Media Water may be ineffective Flash Point -7°C/19.4°F Method -Closed cup Autoignition Temperature 404°C/759.2°F Explosion Limits Upper 11.4 vol % Lower 1.4 vol % Oxidizing Properties Not oxidising Sensitivity to Mechanical Impact No information available Sensitivity to Static Discharge No information available Specific Hazards Arising from the ChemicalFlammable. Risk of ignition. Vapors may form explosive mixtures with air.Vapors may travel to source of ignition and flash back.Containers may explode when heated. Thermal decomposition can lead to release of irritating gases and vapors. Keep product andempty container away from heat and sources of ignition. Hazardous Combustion ProductsCarbon monoxide (CO) Carbon dioxide (CO2) Protective Equipment and Precautions for FirefightersAs in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and fullprotective gear. NFPA 6. Accidental release measures Personal Precautions Use personal protective equipment. Remove all sources of ignition. Take precautionarymeasures against static discharges. Avoid contact with skin, eyes and clothing. Ensureadequate ventilation. Environmental Precautions Avoid release to the environment. See Section 12 for additional ecological information. Methods for Containment and Clean Up Remove all sources of ignition. Soak up with inert absorbent material. Keep in suitable,closed containers for disposal. Use spark-proof tools and explosion-proof equipment. 7. Handling and storage Handling Wear personal protective equipment. Ensure adequate ventilation. Use spark-proof toolsand explosion-proof equipment. Avoid contact with skin, eyes and clothing. Avoid ingestionand inhalation. Keep away from open flames, hot surfaces and sources of ignition. Takeprecautionary measures against static discharges. Use only non-sparking tools. To avoidignition of vapors by static electricity discharge, all metal parts of the equipment must begrounded. Health2 Flammability3 Instability1 ______________________________________________________________________________________________ Page 3 / 8 Physical hazardsN/A ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 Storage Keep containers tightly closed in a dry, cool and well-ventilated place. Keep away from heatand sources of ignition. Flammables area. 8. Exposure controls / personal protection Exposure Guidelines 9. Physical and chemical properties Physical State Liquid Appearance Colorless Odor Characteristic - sweet Odor Threshold No information available pH No information available Melting Point/Range -87 °C / -124.6 °F Boiling Point/Range 80 °C / 176 °F Flash Point -7°C/19.4°F Method -Closed cup Evaporation Rate 3.7 Flammability (solid,gas)Not applicable Flammability or explosive limits Upper 11.4 vol % Lower 1.4 vol % Vapor Pressure 105mbar @ 20°C Vapor Density 2.41 Specific Gravity 0.806 Solubility Soluble in water Partition coefficient; n-octanol/water No data available Component ACGIH TLV OSHA PEL NIOSH IDLH Mexico OEL (TWA)Methyl ethyl ketone TWA: 200 ppmSTEL: 300 ppm (Vacated) TWA: 200 ppm(Vacated) TWA: 590 mg/m3 (Vacated) STEL: 300 ppm(Vacated) STEL: 885 mg/m3 TWA: 200 ppmTWA: 590 mg/m3 IDLH: 3000 ppmTWA: 200 ppmTWA: 590 mg/m3 STEL: 300 ppmSTEL: 885 mg/m3 TWA: 200 ppmTWA: 590 mg/m3 STEL: 300 ppmSTEL: 885 mg/m3 Legend ACGIH - American Conference of Governmental Industrial Hygienists OSHA - Occupational Safety and Health Administration NIOSH IDLH:The National Institute for Occupational Safety and Health Immediately Dangerous to Life or Health Engineering Measures Ensure adequate ventilation, especially in confined areas. Use explosion-proofelectrical/ventilating/lighting/equipment. Ensure that eyewash stations and safety showersare close to the workstation location. Personal Protective Equipment Eye/face Protection Wear appropriate protective eyeglasses or chemical safety goggles as described byOSHA's eye and face protection regulations in 29 CFR 1910.133 or European StandardEN166. Skin and body protection Wear appropriate protective gloves and clothing to prevent skin exposure. Respiratory Protection Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European StandardEN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator ifexposure limits are exceeded or if irritation or other symptoms are experienced. Hygiene Measures ______________________________________________________________________________________________ Page 4 / 8 Handle in accordance with good industrial hygiene and safety practice. ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 Autoignition Temperature 404°C/759.2°F Decomposition Temperature No information available Viscosity 0.42 mPa.s @ 15°C Molecular Formula C4 H8 O Molecular Weight 72.11 10. Stability and reactivity Reactive Hazard None known, based on information available Stability Hygroscopic. Conditions to Avoid Incompatible products. Excess heat. Keep away from open flames, hot surfaces andsources of ignition. Exposure to moist air or water. Incompatible Materials Strong oxidizing agents, Strong acids, Strong bases, Strong reducing agents, Ammonia,copper, Amines Hazardous Decomposition Products Carbon monoxide (CO), Carbon dioxide (CO2) Hazardous Polymerization Hazardous polymerization does not occur. Hazardous Reactions None under normal processing. 11. Toxicological information Acute Toxicity Product Information Component Information Component LD50 Oral LD50 Dermal LC50 InhalationMethyl ethyl ketone LD50 = 2483 mg/kg ( Rat )LD50 = 2737 mg/kg ( Rat )LD50 = 5000 mg/kg ( Rabbit )LD50 = 6480 mg/kg ( Rabbit )LC50 = 11700 ppm ( Rat ) 4 h Toxicologically Synergistic Products No information available Delayed and immediate effects as well as chronic effects from short and long-term exposure Irritation Irritating to eyes Sensitization No information available Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen. Component CAS-No IARC NTP ACGIH OSHA Mexico Methyl ethyl ketone 78-93-3 Not listed Not listed Not listed Not listed Not listed Mutagenic Effects Not mutagenic in AMES Test Reproductive Effects No information available. Developmental Effects No information available. Teratogenicity No information available. STOT - single exposure Central nervous system (CNS) STOT - repeated exposure Kidney Liver Aspiration hazard No information available Symptoms / effects,both acute and delayed Symptoms of overexposure may be headache, dizziness, tiredness, nausea and vomiting:Inhalation of high vapor concentrations may cause symptoms like headache, dizziness, ______________________________________________________________________________________________ Page 5 / 8 ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 tiredness, nausea and vomiting Endocrine Disruptor Information No information available Other Adverse Effects The toxicological properties have not been fully investigated. 12. Ecological information Ecotoxicity. Component Freshwater Algae Freshwater Fish Microtox Water Flea Methyl ethyl ketone Not listed Lepomis macrochirus:LC50=3,22 g/L 96 h EC50 = 3403 mg/L 30 minEC50 = 3426 mg/L 5 min EC50: 4025 - 6440 mg/L,48h Static (Daphnia magna)EC50: = 5091 mg/L, 48h(Daphnia magna)EC50: > 520 mg/L, 48h(Daphnia magna) Persistence and Degradability Persistence is unlikely based on information available. Bioaccumulation/ Accumulation No information available. Mobility Will likely be mobile in the environment due to its volatility. Component log PowMethyl ethyl ketone 0.29 13. Disposal considerations Waste Disposal Methods Chemical waste generators must determine whether a discarded chemical is classified as ahazardous waste. Chemical waste generators must also consult local, regional, andnational hazardous waste regulations to ensure complete and accurate classification. Component RCRA - U Series Wastes RCRA - P Series WastesMethyl ethyl ketone - 78-93-3 U159 - 14. Transport information DOT UN-No UN1193 Proper Shipping Name Ethyl methyl ketone Hazard Class 3 Packing Group II TDG UN-No UN1193 Proper Shipping Name ETHYL METHYL KETONE Hazard Class 3 Packing Group II IATA UN-No UN1193 Proper Shipping Name Methyl ethyl ketone Hazard Class 3 Packing Group II IMDG/IMO UN-No UN1193 Proper Shipping Name Ethyl methyl ketone (Methyl ethyl ketone) Hazard Class 3 Packing Group II 15. Regulatory information ______________________________________________________________________________________________ Page 6 / 8 All of the components in the product are on the following Inventory lists:X = listed ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 International Inventories Component TSCA DSL NDSL EINECS ELINCS NLP PICCS ENCS AICS IECSC KECLMethyl ethyl ketone X X -201-159-0 - XXXXX Legend: X - Listed E - Indicates a substance that is the subject of a Section 5(e) Consent order under TSCA. F - Indicates a substance that is the subject of a Section 5(f) Rule under TSCA. N - Indicates a polymeric substance containing no free-radical initiator in its inventory name but is considered to cover the designated polymer made with any free-radical initiator regardless of the amount used. P - Indicates a commenced PMN substance R - Indicates a substance that is the subject of a Section 6 risk management rule under TSCA. S - Indicates a substance that is identified in a proposed or final Significant New Use Rule T - Indicates a substance that is the subject of a Section 4 test rule under TSCA. XU - Indicates a substance exempt from reporting under the Inventory Update Rule, i.e. Partial Updating of the TSCA Inventory Data Base Production and Site Reports (40 CFR 710(B). Y1 - Indicates an exempt polymer that has a number-average molecular weight of 1,000 or greater. Y2 - Indicates an exempt polymer that is a polyester and is made only from reactants included in a specified list of low concern reactants that comprises one of the eligibility criteria for the exemption rule. U.S. Federal Regulations TSCA 12(b)Not applicable SARA 313 Not applicable SARA 311/312 Hazard Categories See section 2 for more information CWA (Clean Water Act)Not applicable Clean Air Act Not applicable OSHA Occupational Safety and Health AdministrationNot applicable CERCLA This material, as supplied, contains one or more substances regulated as a hazardoussubstance under the Comprehensive Environmental Response Compensation and LiabilityAct (CERCLA) (40 CFR 302) Component Hazardous Substances RQs CERCLA EHS RQs Methyl ethyl ketone 5000 lb - California Proposition 65 This product does not contain any Proposition 65 chemicals U.S. State Right-to-Know Regulations Component Massachusetts New Jersey Pennsylvania Illinois Rhode Island Methyl ethyl ketone XXXXX U.S. Department of Transportation Reportable Quantity (RQ): YDOT Marine Pollutant NDOT Severe Marine Pollutant N U.S. Department of Homeland SecurityThis product does not contain any DHS chemicals. Other International Regulations Mexico - Grade Serious risk, Grade 3 ______________________________________________________________________________________________ Page 7 / 8 ______________________________________________________________________________________________Methyl Ethyl Ketone Revision Date 17-Jan-2018 16. Other information Prepared By Regulatory AffairsThermo Fisher ScientificEmail: EMSDS.RA@thermofisher.com Creation Date 13-Apr-2009 Revision Date 17-Jan-2018 Print Date 17-Jan-2018 Revision Summary This document has been updated to comply with the US OSHA HazCom 2012 Standardreplacing the current legislation under 29 CFR 1910.1200 to align with the GloballyHarmonized System of Classification and Labeling of Chemicals (GHS). Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text End of SDS ______________________________________________________________________________________________ Page 8 / 8 SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 _____________________________________________________________________________________ Section 1: IDENTIFICATION OF SUBSTANCE AND SUPPLIER Product Identifier: High purity isopropyl alcohol, isopropanol Synonyms: Isopropanol, Isopropyl Alcohol, 2-Propanol, sec-propyl alcohol, dimethylcarbinol, Rubbing alcohol, IPA 99% Other means of identification: CAS# 67-63-0 EINECS# 200-661-7 Azer Scientific Catalog No.(s) ES602, ES624, ES625, ES626 Recommended use: General use organic solvent Supplier Details: Emergency Contact: Azer Scientific Inc. Chemtrec: 1.800.424.9300 (USA) 701 Hemlock Road +1.703.527.3887 (International) Morgantown, PA 19543 P: 610.524.5810 _____________________________________________________________________________________ Section 2: HAZARDS IDENTIFICATION OSHA Hazards: Flammable Liquid, Target organ effect, Irritant Target Organs: Cardiovascular system, gastrointestinal tract, kidney, liver, nerves GHS label elements (including precautionary statements) Signal Word: DANGER! Hazard Statement(s): H225 Highly flammable liquid and vapor H319 Causes serious eye irritation H336 May cause drowsiness or dizziness Precautionary Statement(s): P261 Avoid breathing dust/fumes/gas/mist/vapors P312 Call a POISON CENTER or doctor/physician if you feel unwell P501 Dispose of contents and container to an approved waste disposal plant P240 Ground/bond container and receiving equipment P337 + P313 If eye irritation persists: Get medical attention P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Seek medical attention. P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P303 + P361 + P353 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse skin with water. P370 + P378 In case of fire: Use dry sand, dry chemical, or alcohol-resistant foam for extinction. P210 Keep away from heat, sparks, open flames and hot surfaces. No smoking. P233 Keep container tightly closed P102 Keep out of reach of children P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up P243 Take precautionary measures against static discharge SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 P241 Use explosion-proof electrical, ventilating and lighting equipment P242 Use only non-sparking tools P271 Use only outdoors or in a well-ventilated area P264 Wash hands thoroughly after handling P280 Wear protective gloves and eye and face protection GHS Classification(s): Eye Irritation (Category 2) Flammable Liquids (Category 2) Specific Target Organ Toxicity – single exposure (Category 3) Other hazards which do not result in classification: Potential Health Effects: Organ Description Eyes Can cause irritation to the eyes Ingestion Can be harmful if ingested Inhalation Can be harmful if inhaled. Can cause respiratory tract irritation. Vapors may cause drowsiness and dizziness. Skin Can cause irritation if absorbed through skin _____________________________________________________________________________________ Section 3: COMPOSITION AND INFORMATION ON INGREDIENTS Chemical Identity: Isopropyl Alcohol Common name / Synonym: Isopropanol, Isopropyl Alcohol, 2-Propanol, sec-propyl alcohol, dimethylcarbinol, Rubbing alcohol, IPA 99% CAS #: 67-63-0 EINECS #: 200-661-7 ICSC #: 0554 RTECS #: NT8050000 UN #: 1219 EC #: 603-117-00-0 % Weight Material CAS 100 Isopropyl Alcohol 67-63-0 _____________________________________________________________________________________ Section 4: FIRST AID MEASURES General Advice Take proper precautions to ensure your own health and safety before attempting rescue and providing first aid. Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of dangerous area. Skin Immediately flush affected area with plenty of water while removing contaminated clothing. Wash contaminated clothing before reuse. Contact a doctor. If irritation persists, get medical attention. Inhalation Remove person to fresh air. If signs/symptoms continue, get medical attention. Give oxygen or artificial respiration as needed. Eyes Thoroughly flush the eyes with large amounts of clean low-pressure water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Seek medical attention. Ingestion SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 NEVER give anything by mouth to an unconscious person. If vomiting does occur, have victim lean forward to prevent aspiration. Rinse mouth with water. Immediately have victim drink several glasses of water to dilute. Seek medical attention. _____________________________________________________________________________________ Section 5: FIRE FIGHTING MEASURES Suitable (and unsuitable) extinguishing media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide Specific hazards arising from the chemical (e.g., nature of any hazardous combustion products): Carbon oxides expected to be the primary hazardous combustion product Special protective equipment and precautions for fire fighters: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Keep unopened containers cool by spraying with water. Unusual Fire and Explosion Hazards: - Vapors may travel to source of ignition and flash back Flammable Properties Classification OSHA/NFPA Class IB Flammable Liquid Flash Point 12° C (53°F) – closed cup Autoignition temperature 399° C (750°F) _____________________________________________________________________________________ Section 6: ACCIDENTAL RELEASE MEASURES Personal precautions, protective equipment and emergency procedures: Do not inhale vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas. Environmental precautions: Stop leak. Contain spill if possible and safe to do so. Prevent product from entering drains. Methods and materials for containment and clean up: Contain spill, then collect with an electrically protected vacuum cleaner or by wet-brushing and put material into a convenient waste disposal container. Keep container closed. _____________________________________________________________________________________ Section 7: HANDLING AND STORAGE Precautions for safe handling: Do not get on skin or in eyes. Do not inhale vapors or mist. Keep away from sources of ignition-no smoking. Take measures to prevent the buildup of electrostatic charge. Conditions for safe storage, including any incompatibilities: Keep container tightly closed in a cool, dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. _____________________________________________________________________________________ Section 8: EXPOSURE CONTROLS / PERSONAL PROTECTION Control parameters, e.g., occupational exposure limit values or biological limit values: Occupational Exposure Limits Component Source Type Value Note Isopropyl Alcohol US (OSHA) TWA 400 ppm Isopropyl Alcohol US (ACGIH) TWA 200 ppm Isopropyl Alcohol US (ACGIH) STEL 400 ppm Appropriate engineering controls: General room or local exhaust ventilation is usually required to meet exposure limit(s). Electrical equipment should be grounded and conform to applicable electrical code. Individual protection measures, such as personal protective equipment: SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 Respiratory Protection Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Hand protection: Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove’s outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. Eye protection: Use chemical safety goggles and/or a full face shield where splashing is possible. Use equipment approved by appropriate government standards, such as NIOSH (US) or EN166 (EU). Maintain eye wash fountain and quick-drench facilities in work area. Skin and body protection: Wear impervious, flame retardant, antistatic protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact. Hygiene measures: Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. _____________________________________________________________________________________ Section 9: PHYSICAL AND CHEMICAL PROPERTIES Appearance (physical state, color, etc.) Liquid. Colorless. Odor Specific data not available Odor threshold Specific data not available pH Specific data not available Freezing point -90° C (-130° F) Initial boiling point and boiling range 83°C (181°F) Flash point 12°C (53°F) – Closed cup Evaporation rate Specific data not available Flammability (solid, gas) Flammable Upper / Lower flammability or explosive limits 12.7% (V) / 2.0%(V) Vapor pressure 4.4 kPa at 20°C (68°F) Vapor density 1.05 where air = 1 at 20°C (68°F) Relative density 0.858 g/cm3 at 25°C (77°F) Solubility(ies) Miscible Partition coefficient n-octanol/water(ies) Log Pow: 0.05 Auto-ignition temperature 399°C (750°F) Decomposition temperature Specific data not available Formula (ISOPROPYL ALCOHOL) C3H8O Molecular weight (ISOPROPYL ALCOHOL) 60.1 g/mol _____________________________________________________________________________________ Section 10: STABILITY AND REACTIVITY Chemical Stability Stable under recommended storage conditions Possibility of hazardous reactions Vapors may form explosive mixture with air Conditions to avoid (e.g., static discharge, shock or vibration) Heat, flames and spark. Extreme temperatures and sunlight. Incompatible materials Oxidizing agents, Acid anhydrides, Aluminum, Halogenated compounds, Acids Hazardous decomposition products Carbon oxides are expected to be, under fire conditions, the primary hazardous decomposition products SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 Section 11: TOXICOLOGICAL INFORMATION Isopropyl Alcohol 67-63-0 Product Summary: Long term exposure (2 years) to Isopropyl Alcohol via inhalation at concentrations up to 5000 ppm caused to exposure related increases in tumors in animals. No data available for the teratogenicity, mutagenicity, or reproductive toxicity of this product. No data available to designate the product as causing specific target organ toxicity through repeated exposure. No data available to designate product as an aspiration hazard. Acute Toxicity: LC50 Inhalation Rat 16,000 mg/kg 8 hours LD50 Dermal Rabbit 12,800 mg/kg LD50 Oral Rat 5,045 mg/kg Behavioral abnormalities observed such as altered sleep time and decreased activity Irritation: Eyes Rabbit – Irritating to eyes – 24 hours Eyes (ISOPROPANOL) Mildly irritating to the eye at an airborne concentration of 400 ppm, unpleasant at 800 ppm Respiratory or Skin Sensitization No data available Skin Rabbit – mild skin irritation Specific target organ toxicity – single exposure (Globally Harmonized System) Inhalation – May cause drowsiness or dizziness – central nervous system Carcinogenicity IARC: Group 3: Not classifiable as to its carcinogenicity to humans. ACGIH: No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by ACGIH. NTP: No component of this product present at levels greater than or equal to 0.1% is identified as a known or anticipated carcinogen by NTP. OSHA: No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by OSHA. Other Hazards Organ Description Eyes Produces irritation, characterized by a burning sensation, redness, tearing, inflammation, and possible corneal injury. May cause transient corneal injury. Ingestion Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause kidney damage. May cause central nervous system depression, characterized by excitement, followed by headache, dizziness, drowsiness, and nausea. Advanced stages may cause collapse, unconsciousness, coma and possible death due to respiratory failure. Inhalation Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. May cause narcotic effects in high concentration. Causes upper respiratory tract irritation. Inhalation of vapors may cause drowsiness and dizziness. Aspiration of material into the lungs may cause chemical pneumonitis, which may be fatal. The probable oral lethal dose in humans is 240 ml (2696 mg/kg), but ingestion of only 20 ml (224 mg/kg) has caused poisoning. Skin May cause irritation with pain and stinging, especially if the skin is abraded. Isopropanol has a low potential to cause allergic skin reactions; however, rare cases of allergic contact dermatitis have been reported. May be absorbed through intact skin. Dermal absorption has SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 been considered toxicologically insignificant. Chronic Prolonged exposure can be irritating to mucous membranes, skin, and the respiratory system. Can cause liver and kidney damage. _____________________________________________________________________________________ Section 12: ECOLOGICAL INFORMATION Isopropyl Alcohol 67-63-0 Ecotoxicity (aquatic and terrestrial, where available): Acute Fish Toxicity (ISOPROPANOL) LD50 / 96 hours Pimephales promelas: 9,640 mg/L Toxic to Daphnia and Other Aquatic Invertebrates EC50 / 24 h / Water Flea – 5,102 mg/L Toxicity to Aquatic Plants (ISOPROPANOL) EC50 / 72 hours Desmodesmus subspicatus > 2,000 mg/L Toxicity to Daphnia and other aquatic invertebrates Immobilization EC50 / 24 h / Water Flea - 6,851 mg/L Persistence and degradability: No data available Bioaccumulative potential: No data available Other adverse effects: No data available _____________________________________________________________________________________ Section 13: DISPOSAL CONSIDERATIONS Description of waste residues and information on their safe handling and methods of disposal, including the disposal of any contaminated packaging: Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as this material is highly flammable. Observe all federal, state, and local environmental regulations. Contact a licensed professional waste disposal service to dispose of this material. _____________________________________________________________________________________ Section 14: TRANSPORT INFORMATION DOT UN-Number: 1219 Class: 3 Packing Group: II Label Statement: Flammable Liquid IMDG UN-Number: 1219 Class: 3 Packing Group: II EMS-No: F-E, S-D Proper shipping name: ISOPROPANOL Marine pollutant: No IATA UN-Number: 1219 Class: 3 Packing Group: II Proper shipping name: Isopropanol Section 15: REGULATORY INFORMATION Safety, health and environmental regulations specific for the product in question: OSHA Hazards SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 Flammable liquid, Target Organ Effect, Irritant All ingredients are on the following inventories or are exempted from listing Country Notification Australia AICS Canada DSL China IECS European Union EINECS Japan ENCS/ISHL Korea ECL New Zealand NZIoC Philippines PICCS United States of America TSCA SARA 302 Components SARA 302: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302. SARA 313 Components The following components are subject to reporting levels established by SARA Title III, Section 313: ISOPROPYL ALCOHOL (CAS# 67-63-0) Revision date: 1987-01-01 SARA 311/312 Hazards Acute Health Hazard Chronic Health Hazard Fire Hazard CERCLA No chemicals in this material with known CAS numbers are subject to the reporting requirements of CERCLA Massachusetts Right to Know Components Isopropyl Alcohol CAS-No. 67-63-0 Revision Date 1987-01-01 Pennsylvania Right to Know Components Isopropyl Alcohol CAS-No. 67-63-0 Revision Date 1987-01-01 New Jersey Right to Know Components Isopropyl Alcohol CAS-No. 67-63-0 Revision Date 1987-01-01 California Prop 65 Components This product does not contain any chemicals known to the State of California to cause cancer, birth defects, or any other reproductive harm. _____________________________________________________________________________________ Section 16: OTHER INFORMATION: INCLUDING INFORMATION ON PREPARATION AND REVISION OF THE SDS NFPA: Disclaimer Azer Scientific believes that the information on this MSDS was obtained from reliable sources. However, the information is provided without any warranty, expressed or implied, regarding its correctness. Some information presented and conclusions drawn herein are from sources other than direct test data on the substance itself. The conditions or methods of handling, storage, use and disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, Azer Scientific does not assume responsibility and expressly disclaims liability for loss, damage, or SDS Safety Data Sheet – Isopropyl Alcohol, 99% Azer Scientific Inc | 701 Hemlock Road | Morgantown | PA | 19543 | 610.524.5810 expense arising out of or in any way connected with handling, storage, use, or disposal of this product. If the product is used as a component in another product, this MSDS information may not be applicable. Information is correct to the best of our knowledge at the date of the MSDS publication. Rev. 4/29/2015