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Home My WebLink AboutNCD003162542_Badin Business Park_Corrective Action_20180809ENVIRONEERING, INC. INVESTIGATIVE REPORT FOR THE FORMER BALL FIELD AREA BADIN BUSINESS PARK FACILITY BADIN, NORTH CAROLINA August 9, 2018 Prepared for: Badin Business Park LLC 201 Isabella Street, Pittsburgh, PA 15212 Prepared by: ENVIRONEERING, INC. 16100 Cairnway, Suite 320 Houston, Texas 77084 832-674-8800 ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 ii TABLE OF CONTENTS 1.0 INTRODUCTION .......................................................................................................................1 1.1 Site Overview ...................................................................................................................1 1.2 Scope of Work .................................................................................................................2 2.0 GEOPHYSICAL SURVEY RESULTS ....................................................................................3 2.1 Geophysical Surveys .......................................................................................................3 2.2 EM and GPR Survey Findings ......................................................................................3 3.0 SAMPLING RESULTS ..............................................................................................................5 3.1 Surficial Soil Samples .....................................................................................................5 3.1.1 Polycyclic Aromatic Hydrocarbons ......................................................................5 3.1.2 PCB Aroclors ........................................................................................................6 3.1.3 PCB Congeners .....................................................................................................6 3.2 Badin Lake Sediment Sample ........................................................................................6 4.0 CONCLUSIONS .........................................................................................................................14 LIST OF FIGURES Figure 3-1 Former Ball Field Sampling Locations ...................................................................... 7 LIST OF TABLES Table 3-1 Surface Soil Sample Analytical Results ..................................................................... 8 Table 3-2 Surface Soil Sample Analytical Results (Congener Analysis) .................................. 9 Table 3-3 Badin Lake Sediment Sample Analytical Results .................................................... 13 LIST OF APPENDICES Appendix A Former Ball Field Geophysical Survey Appendix B Laboratory Reports and Chain of Custody Forms ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 1 1.0 INTRODUCTION The April 28, 2017 Investigative Work Plan for the Phase 4 and 5 Corrective Measures Study, Alcoa/Badin Landfill, and Former Ball Field (Work Plan) was developed as a guidance document in support of sampling and investigative activities at the Badin Business Park LLC, formerly known as the Alcoa Badin Works facility. The Work Plan was prepared following receipt of the North Carolina Department of Environmental Quality (NCDEQ) January 23, 2017 correspondence concerning the review of Phase 4 and 5 of the Corrective Measures Study (CMS), the Expanded Pre-CERCLIS Screening Assessment (EPSA) for the Former Ball Field, and the Site Inspection Report (SIR) for the Alcoa/Badin Landfill. NCDEQ determined that further evaluation was warranted and requested that a demonstration be made that identified items had been evaluated or prepare a work plan to evaluate those items. Select items were addressed in a March 3, 2017 written response and in a meeting with NCDEQ on March 28, 2017. On April 2, 2018, the Work Plan was revised incorporating requirements from the January 31, 2018 conditional approval letter and the instream monitoring study requirements of the September 29, 2017 Final NPDES Permit, Condition A. (8.). Implementation of the Work Plan began in April 2018. The approach for investigative activities was developed based on information obtained from site reconnaissance, previous investigations, and remedial activities conducted at the facility. The Work Plan was organized by the tasks:  Task 1 – Alcoa/Badin Landfill  Task 2 – Main Plant Area  Task 3 – Former Ball Field Area The scope of work for each of the tasks was summarized in Section 2 of the Work Plan. The following report details activities in support of Task 3, investigations at the Former Ball Field Area. 1.1 Site Overview The facility is located on State Highway 740 within the Town of Badin, North Carolina, and occupies approximately 123 acres of land. Production at the Badin Works facility began in 1916 and continued through 2002. Principal products once manufactured at the facility included carbon cathodes and anodes, continuous cast sheets, and specialty metals. The facility was permanently closed in 2010 and several buildings were razed in 2012. In 2016, the legal owner and operator of the facility transferred from Alcoa Inc. to the Badin Business Park LLC, a subsidiary Alcoa Corporation (Alcoa). The Former Ball Field Area is located across State Highway 740 east of the facility. According to the September 25, 2015, EPSA as conducted by the NCDEQ, in 2014, a local citizen reported that brick and spent pot liner had been disposed within the parcel containing the Former Ball Field prior to use as a park. The citizen reported that a large (10-feet-wide, 6 feet deep) drainage ditch formerly crossed the Ball Field property and connected to Badin Lake via the storm water catch basin. The reported location of the older ditch roughly corresponded to the current alignment of the western drainage swale. The citizen alleged that the drainage ditch had been partially backfilled using pot liner, and that pot liner was likely to have been disposed at additional locations within the Ball Field parcel. ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 2 The prior understanding was that through most of the 20th century the Former Ball Field Area was either undeveloped or historically used as a recreational area. To confirm this understanding, ENVIRONEERING assembled a chronology of the site using historical topographic maps, historical photographs, and aerial imagery. Based on available data, the area was undeveloped prior to 1938, the Ball Field was installed between 1938 and 1950, and the area has been underutilized since the late 1990s. The chronology of the site was presented in the February 23, 2015 Sampling Work Plan for the Alcoa Badin Landfill and Former Ball Field. To assess whether the Former Ball Field Area had been affected by historical industrial activity, surface and sub-surface soil, sediment, surface water, and groundwater samples were collected on July 27 through 29, 2015. Concentrations of constituents were detected in samples collected at the site, however concentrations of similar constituents were detected in background soil samples. Concentrations were believed to be either naturally occurring or anthropogenic as a result of urbanization of the area throughout the 20th and 21st century. Results were summarized in the September 15, 2015, Alcoa Badin Landfill and Former Ball Field Sampling Activities report. On January 23, 2017, NCDEQ issued correspondence requesting further assessment of subsurface conditions at the Former Ball Field Area. To satisfy the NCDEQ request, the April 2, 2018, Work Plan outlined activities to meet NCDEQ’s objective. 1.2 Scope of Work In order to satisfy the objectives concerning the Former Ball Field and surrounding area, the scope of work was divided into three subtasks.  Subtask 1 – Geophysical Survey: To address the objective of determining if a disposal area is present at the Former Ball Field Area, electromagnetic (EM) and ground penetrating radar (GPR) geophysical surveys were conducted.  Subtask 2 – Surface Soil Sampling: To address the objective of assessing the western and eastern drainage swales for constituents in excess of screening levels found in the sediment obtained from the catch basin, six surface soil samples were collected from drainage swales.  Subtask 3 – Sediment Sampling: To address the objective of corroborating that concentrations of constituents in Badin Lake sediments near the concrete culvert discharge are consistent with historical lake studies and assessments, one sediment sample was collected from Badin Lake between the concrete culvert and the barrier. Results from the completion of the scope of work are detailed below. ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 3 2.0 GEOPHYSICAL SURVEY RESULTS To address the objective of determining if a disposal area is present at the Former Ball Field, EM and GPR geophysical surveys were conducted. The results of the geophysical surveys were then compared to previous soil borings in and around the area, and finally applied to the previous understanding of the chronology established using historical topographic maps, historical photographs, and aerial imagery. 2.1 Geophysical Surveys On April 18, 2018, Geo Solutions LLC conducted a survey to evaluate if a disposal area is present at the Former Ball Field. Geophysical activities at the site consisted of EM profile mapping of the site and the immediately surrounding area. EM is used for the measurement of the electrical conductivity of subsurface soil, rock and groundwater. The electrical conductivity is a function of the subsurface material’s porosity, permeability, and the fluids located within the pore spaces. In a typically fill area setting, the pore fluids dominate the measurements and aid in the delineation of areas that have been backfilled or potentially contain buried fill materials and metallic objects. EM surveys are typically limited to a measurable depth of 20 to 30 feet below grade, but generally can cover a greater surface area in a short amount of time. This survey technique is highly influenced by metal surface features such as fences, buildings, and tanks, or highly conductive features. Following the completion of the EM survey, Geo Solutions completed a GPR survey. GPR utilizes radio frequency EM energy to detect various layers in the earth’s shallow subsurface. GPR typically has higher resolutions for imaging the subsurface as compared to other geophysical methods; however, GPR is limited in its depth of detection. Two major factors limit depth of detection, soil composition and the presence of highly conductive material. For soil composition, increases in clay content decreases the depth of penetration of the radar signal and thus the decreases the depth of detection. Highly conductive material enhances the attenuation of the radar signal, thus reducing the depth of penetration. The Geophysical Evaluation of the Former Ball Field Area as prepared by Geo Solutions is presented in Appendix A. Results from the geophysical surveys are summarized below. 2.2 EM and GPR Survey Findings Geo Solutions conducted multiple profiles (survey grids) across the field area to provide sufficient coverage of the survey area. The EM profile spacing was approximately three (3) feet apart. The total area surveyed was approximately ten (10) acres. GPR profiles were run across the field area to provide both general coverage of the survey area and further evaluation of areas containing anomalous elevated conductivity values. The approximate depth of GPR penetration across the site was six (6) feet from land surface. EM results indicated three (3) distinct areas containing atypical conductivity values. A 140-foot long linear feature was detected in the northern portion of the mapped area. This north-south linear feature bifurcates to the east and west. GPR identified it at a subsurface depth of approximately 1.5 feet below the ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 4 surface. Based on field observations, the detected item appears to be a buried utility line. The line was traced southward from a covered utility box where a water meter was observed to where the buried line bifurcates to the east and west. The second noted area containing anomalous conductivity values was identified along the former railroad bed. Geo Solutions interpreted the elevated EM response as remnant gravel, wood, and metal related to the historic railroad bed. GPR reflectors were detected at approximately 0.5 feet below land surface, extended down to approximately 1 foot below the surface, and are representative of the track foundation which included railroad ties, gravel, and metal reinforcement. East of the gravel parking lot, the railroad bed is elevated in relation to the surrounding ground surface. Geo Solutions interpretation of the GPR data was that there is approximately four feet of railroad bedding material placed over native soils in this area. This is consistent with elevation differences in the area. The third area containing elevated conductivity values was identified in the parking lot used for the public boat access. For this EM feature, GPR identified a disturbance in the upper one foot of soil which appeared to be very thin (less than 0.5 feet). As a result, this area was interpreted to be unlikely related to a past disposal area. Both the EM and GPR geophysical surveys did not identify evidence of a disposal trench in the Former Ball Field Area or adjacent parking lot. No other areas of irregular EM or GPR readings were identified in the surveys. ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 5 3.0 SAMPLING RESULTS To complete the objectives concerning the Former Ball Field and surrounding area, surface soil samples were collected from the Former Ball Field Area and a sediment sample was collected from Badin Lake. Surface soil sample and sediment sample locations are presented on Figure 3-1. Sample collection, shipment, and decontamination followed procedures outlined in the April 2, 2018 Work Plan. Laboratory reports and completed chain of custody forms are provided in Appendix B. 3.1 Surficial Soil Samples To address the objective of assessing the drainage swales for constituents in excess of screening levels relative to the catch basin sediments, six surface soil samples (ABF-SB0052-F002 through ABF-SB057- F002 and ABF-SB055-D002) and were collected from the upper (six) 6 inches of soil of lowest point in the drainage swales. Laboratory analytical results were compared against their respective March 2018 EPA Superfund Chemical Data Matrix (SCDM) Hazard Ranking System (HRS) Benchmarks and the May 2018 EPA Regional Screening Level (RSL) values. Surficial soil analytical results are summarized in Tables 3-1 and 3-2. 3.1.1 Polycyclic Aromatic Hydrocarbons Laboratory analytical results indicated two PAHs (benzo(a)pyrene and benzo(b)fluoranthene) were detected at concentrations above their respective SCDM HRS Benchmarks or EPA RSLs in two (ABF- SB054-F002 and ABF-SB056-F002) of the six soil samples. Benzo(a)anthracene and dibenz(a,h)anthracene were reported at estimated concentrations above regulatory levels, however all concentrations were flagged with a “J” qualifier. A “J” flagged notation means the result is less than the reporting limit but greater than or equal to the method detection limit, and the concentration is an approximate. Benzo(a)anthracene was detected in one of the six surficial samples at a J-flagged, or estimated, concentration of 1.15 milligrams per kilogram (mg/kg). Benzo(a)pyrene was detected in six of the six surficial samples at a maximum, J-flagged, concentration (1.16 mg/kg). Benzo(b)fluoranthene was detected in two of the six surficial soil samples a maximum, J-flagged, concentration (1.74 mg/kg). Dibenz(a,h)anthracene was detected in four of the six surficial samples at a maximum, J-flagged, concentration (0.207 mg/kg). No other constituents were detected at or estimated at concentrations above their respective SCDM HRS Benchmarks or EPA RSLs Concentrations of benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, dibenz(a,h)anthracene reported in this 2018 sampling event are consistent with prior reported results from surficial soil samples. As documented in the September 15, 2015, Alcoa Badin Landfill and Former Ball Field Sampling Activities report, the maximum concentrations of benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, dibenz(a,h)anthracene were 0.769 mg/kg, 1.24 mg/kg, 1.70 mg/kg, and 0.233 mg/kg, respectively. As previously presented, these reported low-level concentrations of a few PAHs appear to be background soil concentrations present in the area and not associated with off-site disposal activities. ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 6 3.1.2 PCB Aroclors Laboratory analytical results indicated a concentration of one PCB Aroclor (PCB-1260) in one of the six samples at a concentration above the SCDM HRS Benchmark and EPA RSL. All other Aroclors for all other samples were below laboratory detection limits. As reported in the September 15, 2015, Alcoa Badin Landfill and Former Ball Field Sampling Activities report, PCB Aroclor 1260 was not detected in any historical surficial soil sample for the Former Ball Field Area at a concentration above laboratory detection limits, nor was the Aroclor detected in the catch basin inlet sample or the catch basin inlet duplicate at a concentration above laboratory detection limits. However, the EPSA reported PCB Aroclor 1260 at a concentration above laboratory detection limits in the catch basin inlet sample. 3.1.3 PCB Congeners Laboratory analytical results indicated concentrations of PCB congeners in all samples at a concentration above laboratory detection limits, however all concentrations were below all applicable EPA RSL values. EPA RSL values are assigned for the 12 dioxin-like congeners (PCB-77, 81, 105, 114, 118, 123, 126, 156, 157, 167, 169, 1889). Risks associated with the remaining congeners are totaled as the “non-dioxin-like congeners”. The RSL for “Polychlorinated Biphenyls (high risk)” was utilized for non-dioxin-like congeners. 3.2 Badin Lake Sediment Sample To address the objective of verifying that concentrations of constituents in Badin Lake sediments near the concrete culvert discharge are consistent with historical lake studies and assessments, one a sediment sample was collected from Badin Lake between the concrete culvert and the sediment cap installed in 2013. Details of the sediment cap are presented in the November 2013 Badin Lake Sediment Capping Project: Construction Completion Report. Sediment sample analytical results are summarized in Table 3-3. The laboratory reported one PAH, benzo(a)anthracene, at a J-flagged concentration (0.139 mg/kg). This reported concentration of benzo(a)anthracene is significantly less than the historical concentration (1.01 mg/kg) observed in the sediment sample as reported in the September 15, 2015, Alcoa Badin Landfill and Former Ball Field Sampling Activities report. ENVIRONEERING, INC. ABF-SD003-F002 ABF-SB052-F002 ABF-SB053-F002 ABF-SB054-F002 ABF-SB055-F002ABF-SB055-D002 ABF-SB056-F002 ABF-SB057-F002 Table 3-1 Surface Soil Analytical Results Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Method CAS Units EPA SCDM HRS Benchmark - Soil Exposure EPA RSL - Residential SoilABF-SB057-F002ABF-SB052-F002ABF-SB055-F002ABF-SB055-D002ABF-SB056-F002ABF-SB053-F002ABF-SB054-F002Location Depth Date Time Percent Moisture ASTM D2974-87 % PCB-1016 (Aroclor 1016)EPA 8082 12674-11-2 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 4.1 PCB-1221 (Aroclor 1221)EPA 8082 11104-28-2 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.2 PCB-1232 (Aroclor 1232)EPA 8082 11141-16-5 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.17 PCB-1242 (Aroclor 1242)EPA 8082 53469-21-9 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.23 PCB-1248 (Aroclor 1248)EPA 8082 12672-29-6 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.23 PCB-1254 (Aroclor 1254)EPA 8082 11097-69-1 mg/kg ND <0.109 ND <0.0414 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.24 PCB-1260 (Aroclor 1260)EPA 8082 11096-82-5 mg/kg ND <0.109 ND <0.0996 ND <0.106 ND <0.106 ND <0.416 ND <0.0997 NE 0.24 Total Polychlorinated Biphenyls mg/kg 0.3 C 0.23 1-Methylnaphthalene EPA 8270 90-12-0 mg/kg ND <0.125 ND <0.117 ND <0.114 ND <0.120 ND <0.121 ND <0.121 ND <0.564 NE 18 2-Methylnaphthalene EPA 8270 91-57-6 mg/kg ND <0.103 ND <0.0969 ND <0.0939 ND <0.0993 ND <0.0996 ND <0.0998 ND <0.466 300 240 Acenaphthene EPA 8270 83-32-9 mg/kg ND <0.111 ND <0.104 ND <0.101 ND <0.106 ND <0.107 ND <0.107 ND <0.499 4000 3600 Acenaphthylene EPA 8270 208-96-8 mg/kg ND <0.114 ND <0.106 ND <0.103 ND <0.109 ND <0.109 ND <0.110 ND <0.512 NE NE Anthracene EPA 8270 120-12-7 mg/kg ND <0.108 ND <0.101 ND <0.0979 ND <0.103 ND <0.104 ND <0.104 ND <0.485 2000 18000 Benzo(a)anthracene EPA 8270 56-55-3 mg/kg 1 C 1.1 Benzo(a)pyrene EPA 8270 50-32-8 mg/kg 0.1 C 0.11 Benzo(b)fluoranthene EPA 8270 205-99-2 mg/kg NE 1.1 Benzo(g,h,i)perylene EPA 8270 191-24-2 mg/kg NE NE Benzo(k)fluoranthene EPA 8270 207-08-9 mg/kg 10 C 11 Chrysene EPA 8270 218-01-9 mg/kg 100 C 110 Dibenz(a,h)anthracene EPA 8270 53-70-3 mg/kg ND <0.0979 ND <0.0982 ND <0.459 0.1 C 0.11 Fluoranthene EPA 8270 206-44-0 mg/kg 3000 2400 Fluorene EPA 8270 86-73-7 mg/kg ND <0.0990 ND <0.0928 ND <0.0900 ND <0.0951 ND <0.0954 ND <0.0956 ND <0.446 3000 2400 Indeno(1,2,3-cd)pyrene EPA 8270 193-39-5 mg/kg ND <0.0951 ND <0.0956 1 C 1.1 Naphthalene EPA 8270 91-20-3 mg/kg ND <0.118 ND <0.111 ND <0.107 ND <0.113 ND <0.114 ND <0.114 ND <0.531 1000 3.8 Phenanthrene EPA 8270 85-01-8 mg/kg ND <0.0769 ND <0.0772 NE NE Pyrene EPA 8270 129-00-0 mg/kg 2000 1800 ND - The analyte was not detected above laboratory detection limits. Subscript indicates compound-specific MDL in mg/kg. J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. EPA Regional Screening Level (RSL) - May 2018 Update, Target Hazard Quotient (THQ) of 1.0 EPA Superfund Chemical Data Matrix (SCDM) Hazard Ranking System (HRS) Benchmark last updated March 2018. "C" indicates carcinogenic benchmark. NE - Not established. ND 1.49 0.807 0.491 0.209 J 0.401 J 0.119 J 0.436 J 0.473 0.458 0.105 J 31.3 ND 23.5 0.458 0.472 0.743 ND ND 0.259 J 0.346 J 0.360 J 0.384 J 0.165 J 0.222 J 0.129 J 0.109 J ND ND 0.128 J 0.334 J 0.210 J 0.499 0.624 0'-0.5'0'-0.5' 0.420 J 0.428 J 0.289 J 0.273 J 0.135 J 0.507 1.15 J 1.16 J 1.74 J 0.945 J 0.676 J 1.09 J 1.87 J 0.850 J 0.817 J 1.88 J 0.363 J 0.170 J 0.292 J 0.198 J 0.121 J 0.486 0.244 J 0.137 J 0.837 0.172 J 0.867 0.775 0.116 J Stormwater Ditch 5/9/2018 13:05 Stormwater Ditch 5/9/2018 11:55 Stormwater Ditch Stormwater Ditch Stormwater Ditch 5/9/2018 13:50 0'-0.5'0'-0.5'0'-0.5'0'-0.5' 0.665 Stormwater Ditch Stormwater Ditch 0'-0.5' 5/9/2018 13:30 27.0 24.7 29.2 28.0 28.8 5/9/2018 13:55 5/9/2018 12:10 5/9/2018 12:30 0.971 1.17 0.647 1.06 0.539 0.791 0.474 0.584 0.9600.212 J 0.161 J 0.174 J0.189 J 0.199 J 0.207 J 0.313 J Table 3-2 Surface Soil Sample Analytical Results - Congener Analysis Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Congener Number IUPAC Name Method CAS Units EPA RSL - Residential SoilABF-SB056-F002ABF-SB057-F002ABF-SB052-F002ABF-SB053-F002ABF-SB054-F002ABF-SB055-F002ABF-SB055-D002Location Depth Date Time 2-MoCB 1 2-Chlorobiphenyl EPA 1668A 2051-60-7 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3-MoCB 2 3-Chlorobiphenyl EPA 1668A 2051-61-8 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 4-MoCB 3 4-Chlorobiphenyl EPA 1668A 2051-62-9 mg/kg ND <0.0000246 0.0000263 <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 0.0000263 <0.0000247 0.0000324 <0.0000249 NE 2,2'-DiCB 4 2,2'-Dichlorobiphenyl EPA 1668A 13029-08-8 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,6-DiCB 10 2,6-Dichlorobiphenyl EPA 1668A 33146-45-1 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,5-DiCB 9 2,5-Dichlorobiphenyl EPA 1668A 34883-39-1 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,4-DiCB 7 2,4-Dichlorobiphenyl EPA 1668A 33284-50-3 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3'-DiCB 6 2,3'-Dichlorobiphenyl EPA 1668A 25569-80-6 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3-DiCB 5 2,3-Dichlorobiphenyl EPA 1668A 16605-91-7 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,4'-DiCB 8 2,4'-Dichlorobiphenyl EPA 1668A 34883-43-7 mg/kg 0.0000312 I <0.0000246 0.0000307 <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 0.0000297 <0.0000249 NE 3,5-DiCB 14 3,5-Dichlorobiphenyl EPA 1668A 34883-41-5 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3,3'-DiCB 11 3,3'-Dichlorobiphenyl EPA 1668A 2050-67-1 mg/kg ND <0.000241 ND <0.000245 ND <0.000245 ND <0.000244 ND <0.000243 ND <0.000242 ND <0.000244 NE (12/13)12/13 NA (Co-elution)EPA 1668A E52450566 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 4,4'-DiCB 15 4,4'-Dichlorobiphenyl EPA 1668A 2050-68-2 mg/kg 0.0000554 <0.0000325 0.000128 <0.000033 ND <0.000033 ND <0.0000328 ND <0.0000327 0.000193 <0.0000326 0.000156 <0.0000329 NE 2,2',6-TrCB 19 2,2',6-Trichlorobiphenyl EPA 1668A 38444-73-4 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE (18/30)18/30 NA (Co-elution)EPA 1668A E52450574 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',4-TrCB 17 2,2',4-Trichlorobiphenyl EPA 1668A 37680-66-3 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3',6-TrCB 27 2,3',6-Trichlorobiphenyl EPA 1668A 38444-76-7 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3,6-TrCB 24 2,3,6-Trichlorobiphenyl EPA 1668A 55702-45-9 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,2',3-TrCB 16 2,2',3-Trichlorobiphenyl EPA 1668A 38444-78-9 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,4',6-TrCB 32 2,4',6-Trichlorobiphenyl EPA 1668A 38444-77-8 mg/kg ND <0.0000246 ND <0.000025 0.0000261 <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3',5'-TrCB 34 2,3',5'-Trichlorobiphenyl EPA 1668A 37680-68-5 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,3,5-TrCB 23 2,3,5-Trichlorobiphenyl EPA 1668A 55720-44-0 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE (26/29)26/29 NA (Co-elution)EPA 1668A E52450608 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4-TrCB 25 2,3',4-Trichlorobiphenyl EPA 1668A 55712-37-3 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 2,4',5-TrCB 31 2,4',5-Trichlorobiphenyl EPA 1668A 16606-02-3 mg/kg ND <0.000128 ND <0.00013 ND <0.00013 ND <0.000129 ND <0.000129 ND <0.000129 ND <0.00013 NE (20/28)20/28 NA (Co-elution)EPA 1668A E52450582 mg/kg ND <0.000127 ND <0.000129 ND <0.000129 ND <0.000128 ND <0.000128 ND <0.000128 ND <0.000129 NE (21/33)21/33 NA (Co-elution)EPA 1668A E52450590 mg/kg ND <0.000133 ND <0.000135 ND <0.000135 ND <0.000134 ND <0.000134 ND <0.000134 ND <0.000135 NE 2,3,4'-TrCB 22 2,3,4'-Trichlorobiphenyl EPA 1668A 38444-85-8 mg/kg ND <0.0000934 ND <0.000095 ND <0.0000949 ND <0.0000945 ND <0.0000942 ND <0.000094 ND <0.0000948 NE 3,3',5-TrCB 36 3,3',5-Trichlorobiphenyl EPA 1668A 38444-87-0 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3,4',5-TrCB 39 3,4',5-Trichlorobiphenyl EPA 1668A 38444-88-1 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3,4,5-TrCB 38 3,4,5-Trichlorobiphenyl EPA 1668A 53555-66-1 mg/kg ND <0.0000246 ND <0.000025 0.0000262 <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3,3',4-TrCB 35 3,3',4-Trichlorobiphenyl EPA 1668A 37680-69-6 mg/kg ND <0.0000246 ND <0.000025 ND <0.000025 ND <0.0000249 ND <0.0000248 ND <0.0000247 ND <0.0000249 NE 3,4,4'-TrCB 37 3,4,4'-Trichlorobiphenyl EPA 1668A 38444-90-5 mg/kg ND <0.0000521 0.000108 <0.000053 ND <0.0000529 ND <0.0000527 ND <0.0000526 0.000101 <0.0000524 0.000103 <0.0000529 NE 2,2',6,6'-TeCB 54 2,2',6,6'-Tetrachlorobiphenyl EPA 1668A 15968-05-5 mg/kg ND <0.0000492 ND <0.00005 0.0000592 <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (50/53)50/53 NA (Co-elution)EPA 1668A E52450657 mg/kg ND <0.0000984 ND <0.0001 0.000152 <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 ND <0.0000998 NE (45/51)45/51 NA (Co-elution)EPA 1668A E52450632 mg/kg ND <0.0000984 ND <0.0001 0.000583 <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 ND <0.0000998 NE 2,2',3,6'-TeCB 46 2,2',3,6'-Tetrachlorobiphenyl EPA 1668A 41464-47-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',5,5'-TeCB 52 2,2',5,5'-Tetrachlorobiphenyl EPA 1668A 35693-99-3 mg/kg ND <0.000151 0.000233 <0.000154 ND <0.000154 ND <0.000153 ND <0.000153 ND <0.000152 ND <0.000154 NE 2,3',5',6-TeCB 73 2,3',5',6-Tetrachlorobiphenyl EPA 1668A 74338-23-1 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 43/73 43/73 NA (Co-elution)EPA 1668A mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (49/69)49/69 NA (Co-elution)EPA 1668A E52450640 mg/kg ND <0.0000984 ND <0.0001 0.000271 <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 ND <0.0000998 NE 2,2',4,5-TeCB 48 2,2',4,5-Tetrachlorobiphenyl EPA 1668A 70362-47-9 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (44/47/65)44/47/65 NA (Co-elution)EPA 1668A E52450624 mg/kg ND <0.000148 ND <0.00015 0.00116 <0.00015 ND <0.000149 ND <0.000149 ND <0.000148 ND <0.00015 NE (59/62/75)59/62/75 NA (Co-elution)EPA 1668A E52450665 mg/kg ND <0.000148 ND <0.00015 ND <0.00015 ND <0.000149 ND <0.000149 ND <0.000148 ND <0.00015 NE 2,2',3,4'-TeCB 42 2,2',3,4'-Tetrachlorobiphenyl EPA 1668A 36559-22-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (40/41/71)40/41/71 NA (Co-elution)EPA 1668A E52450616 mg/kg ND <0.000148 ND <0.00015 ND <0.00015 ND <0.000149 ND <0.000149 ND <0.000148 ND <0.00015 NE 2,3,4',6-TeCB 64 2,3,4',6-Tetrachlorobiphenyl EPA 1668A 52663-58-8 mg/kg ND <0.0000492 0.0000524 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 0.0000647 <0.0000499 NE 2,3',5,5'-TeCB 72 2,3',5,5'-Tetrachlorobiphenyl EPA 1668A 41464-42-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,5'-TeCB 68 2,3',4,5'-Tetrachlorobiphenyl EPA 1668A 73575-52-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 5/9/2018 11:55 12:10 12:30 13:50 13:55 13:30 13:05 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch 0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5' Table 3-2 Surface Soil Sample Analytical Results - Congener Analysis Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Congener Number IUPAC Name Method CAS Units EPA RSL - Residential SoilABF-SB056-F002ABF-SB057-F002ABF-SB052-F002ABF-SB053-F002ABF-SB054-F002ABF-SB055-F002ABF-SB055-D002Location Depth Date Time 5/9/2018 11:55 12:10 12:30 13:50 13:55 13:30 13:05 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch 0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5' 2,3,3',5-TeCB 57 2,3,3',5-Tetrachlorobiphenyl EPA 1668A 70424-67-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3,3',5'-TeCB 58 2,3,3',5'-Tetrachlorobiphenyl EPA 1668A 41464-49-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,5-TeCB 67 2,3',4,5-Tetrachlorobiphenyl EPA 1668A 73575-53-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3,4',5-TeCB 63 2,3,4',5-Tetrachlorobiphenyl EPA 1668A 74472-34-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (61/70/74/76)60/70/74/76 NA (Co-elution)EPA 1668A E52450673 mg/kg ND <0.000197 0.000366 <0.0002 0.000215 <0.0002 ND <0.000199 ND <0.000198 ND <0.000198 0.000275 <0.0002 NE 2,3',4,4'-TeCB 66 2,3',4,4'-Tetrachlorobiphenyl EPA 1668A 32598-10-0 mg/kg 0.000104 <0.0000826 0.000187 <0.000084 0.000139 <0.0000839 ND <0.0000836 ND <0.0000833 0.0000967 <0.0000831 0.000142 <0.0000838 NE 2,3,3',4-TeCB 55 2,3,3',4-Tetrachlorobiphenyl EPA 1668A 74338-24-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3,3',4'-TeCB 56 2,3,3',4'-Tetrachlorobiphenyl EPA 1668A 41464-43-1 mg/kg 0.0000558 <0.0000492 0.0000893 <0.00005 0.0000589 <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 0.0000606 <0.0000499 NE 2,3,4,4'-TeCB 60 2,3,4,4'-Tetrachlorobiphenyl EPA 1668A 33025-41-1 mg/kg ND <0.0000492 0.0000538 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 3,3',5,5'-TeCB 80 3,3',5,5'-Tetrachlorobiphenyl EPA 1668A 33284-52-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 3,3',4,5'-TeCB 79 3,3',4,5'-Tetrachlorobiphenyl EPA 1668A 41464-48-6 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 3,3',4,5-TeCB 78 3,3',4,5-Tetrachlorobiphenyl EPA 1668A 70362-49-1 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 3,4,4',5-TeCB 81 3,4,4',5-Tetrachlorobiphenyl EPA 1668A 70362-50-4 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 0.012 3,3',4,4'-TeCB 77 3,3',4,4'-Tetrachlorobiphenyl EPA 1668A 32598-13-3 mg/kg ND <0.0000492 0.0000887 <0.00005 0.0000528 <0.0000499 ND <0.0000497 ND <0.0000496 0.0000737 <0.0000495 0.0000771 <0.0000499 0.038 2,2',4,6,6'-PeCB 104 2,2',4,6,6'-Pentachlorobiphenyl EPA 1668A 56558-16-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,6,6'-PeCB 96 2,2',3,6,6'-Pentachlorobiphenyl EPA 1668A 73575-54-9 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',4,5',6-PeCB 103 2,2',4,5',6-Pentachlorobiphenyl EPA 1668A 60145-21-3 mg/kg ND <0.0000492 ND <0.00005 0.0000512 <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,5,6'-PeCB 94 2,2',3,5,6'-Pentachlorobiphenyl EPA 1668A 73575-55-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,5',6-PeCB 95 2,2',3,5',6-Pentachlorobiphenyl EPA 1668A 38379-99-6 mg/kg 0.00014 <0.0000934 0.000353 <0.000095 0.000229 <0.0000949 ND <0.0000945 ND <0.0000942 0.000189 <0.000094 0.000451 <0.0000948 NE (93/98/100/102)93/98/100/102 NA (Co-elution)EPA 1668A mg/kg ND <0.000197 ND <0.0002 0.000311 <0.0002 ND <0.000199 ND <0.000198 ND <0.000198 ND <0.0002 NE (88/91)88/91 NA (Co-elution)EPA 1668A E52450715 mg/kg ND <0.0000984 0.000173 <0.0001 ND <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 0.000171 <0.0000998 NE 2,2',3,3',6-PeCB 84 2,2',3,3',6-Pentachlorobiphenyl EPA 1668A 52663-60-2 mg/kg ND <0.0000492 0.000127 <0.00005 0.0000638 <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 0.0000902 <0.0000499 NE 2,2',3,4,6'-PeCB 89 2,2',3,4,6'-Pentachlorobiphenyl EPA 1668A 73575-57-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,5',6-PeCB 121 2,3',4,5',6-Pentachlorobiphenyl EPA 1668A 56558-18-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,5,5'-PeCB 92 2,2',3,5,5'-Pentachlorobiphenyl EPA 1668A 52663-61-3 mg/kg ND <0.0000492 0.000092 <0.00005 0.0000934 <0.0000499 ND <0.0000497 ND <0.0000496 0.0000608 <0.0000495 0.00013 <0.0000499 NE (90/101/113)90/101/113 NA (Co-elution)EPA 1668A E52450723 mg/kg 0.000183 <0.000148 0.000507 <0.00015 0.000519 <0.00015 ND <0.000149 ND <0.000149 0.000264 <0.000148 0.000536 <0.00015 NE 2,2',3,3',5-PeCB 83 2,2',3,3',5-Pentachlorobiphenyl EPA 1668A 60145-20-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',4,4',5-PeCB 99 2,2',4,4',5-Pentachlorobiphenyl EPA 1668A 38380-01-7 mg/kg 0.0000791 <0.0000492 0.000406 <0.00005 0.000345 <0.0000499 ND <0.0000497 ND <0.0000496 0.00023 <0.0000495 0.000402 <0.0000499 NE 2,3,3',5,6-PeCB 112 2,3,3',5,6-Pentachlorobiphenyl EPA 1668A 74472-36-9 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (86/87/97/108/119/125) 86/87/97/108/119'125 NA (Co-elution)EPA 1668A E52450707 mg/kg ND <0.000295 0.000339 <0.0003 0.000329 <0.0003 ND <0.000298 ND <0.000298 ND <0.000297 0.000302 <0.000299 NE (85/117/116)85/117/116 NA (Co-elution)EPA 1668A E52450699 mg/kg ND <0.000148 0.00157 <0.00015 0.00021 <0.00015 ND <0.000149 ND <0.000149 0.000494 <0.000148 0.000821 <0.00015 NE (110/115)110/115 NA (Co-elution)EPA 1668A E52450756 mg/kg 0.000294 <0.0000984 0.000994 <0.0001 0.000753 <0.0000999 ND <0.0000995 ND <0.0000992 0.000586 <0.0000989 0.00124 <0.0000998 NE 2,2',3,3',4-PeCB 82 2,2',3,3',4-Pentachlorobiphenyl EPA 1668A 52663-62-4 mg/kg ND <0.0000492 0.0000711 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 0.0000549 <0.0000499 NE 2,3,3',5,5'-PeCB 111 2,3,3',5,5'-Pentachlorobiphenyl EPA 1668A 39635-32-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,5,5'-PeCB 120 2,3',4,5,5'-Pentachlorobiphenyl EPA 1668A 68194-12-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (107/124)107/124 NA (Co-elution)EPA 1668A E52450749 mg/kg ND <0.0000984 ND <0.0001 ND <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 ND <0.0000998 NE 2,3,3',4,6-PeCB 109 2,3,3',4,6-Pentachlorobiphenyl EPA 1668A 74472-35-8 mg/kg ND <0.0000492 0.000134 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.0000591 <0.0000495 0.0000766 <0.0000499 NE 2,3',4,4',5'-PeCB 123 2,3',4,4',5'-Pentachlorobiphenyl EPA 1668A 65510-44-3 mg/kg ND <0.0000492 0.0000644 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.0000531 <0.0000495 0.000069 <0.0000499 0.12 2,3,3',4,5-PeCB 106 2,3,3',4,5-Pentachlorobiphenyl EPA 1668A 70424-69-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,4',5-PeCB 118 2,3',4,4',5-Pentachlorobiphenyl EPA 1668A 31508-00-6 mg/kg 0.000357 <0.0000629 0.000966 <0.000064 0.00039 <0.0000639 0.0000678 <0.0000637 ND <0.0000635 0.000477 <0.0000633 0.000717 <0.0000639 0.12 2,3,3',4',5'-PeCB 122 2,3,3',4',5'-Pentachlorobiphenyl EPA 1668A 76842-07-4 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3,4,4',5-PeCB 114 2,3,4,4',5-Pentachlorobiphenyl EPA 1668A 74472-37-0 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 0.12 2,3,3',4,4'-PeCB 105 2,3,3',4,4'-Pentachlorobiphenyl EPA 1668A 32598-14-4 mg/kg 0.000156 <0.0000492 0.000787 <0.00005 0.000182 <0.0000499 ND <0.0000497 ND <0.0000496 0.000306 <0.0000495 0.000436 <0.0000499 0.12 3,3',4,5,5'-PeCB 127 3,3',4,5,5'-Pentachlorobiphenyl EPA 1668A 39635-33-1 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 3,3',4,4',5-PeCB 126 3,3',4,4',5-Pentachlorobiphenyl EPA 1668A 57465-28-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 0.000036 2,2',4,4',6,6'-HxCB 155 2,2',4,4',6,6'-Hexachlorobiphenyl EPA 1668A 33979-03-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,5,6,6'-HxCB 152 2,2',3,5,6,6'-Hexachlorobiphenyl EPA 1668A 68194-09-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,4',6,6'-HxCB 150 2,2',3,4',6,6'-Hexachlorobiphenyl EPA 1668A 68194-08-1 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,3',6,6'-HxCB 136 2,2',3,3',6,6'-Hexachlorobiphenyl EPA 1668A 38411-22-2 mg/kg 0.0000758 <0.0000492 0.000787 <0.00005 0.000103 <0.0000499 ND <0.0000497 ND <0.0000496 0.000132 <0.0000495 0.000321 <0.0000499 NE 2,2',3,4,6,6'-HxCB 145 2,2',3,4,6,6'-Hexachlorobiphenyl EPA 1668A 74472-40-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE Table 3-2 Surface Soil Sample Analytical Results - Congener Analysis Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Congener Number IUPAC Name Method CAS Units EPA RSL - Residential SoilABF-SB056-F002ABF-SB057-F002ABF-SB052-F002ABF-SB053-F002ABF-SB054-F002ABF-SB055-F002ABF-SB055-D002Location Depth Date Time 5/9/2018 11:55 12:10 12:30 13:50 13:55 13:30 13:05 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch 0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5' 2,2',3,4',5,6'-HxCB 148 2,2',3,4',5,6'-Hexachlorobiphenyl EPA 1668A 74472-41-6 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (135/151)135/151 NA (Co-elution)EPA 1668A mg/kg 0.000491 <0.0000984 0.00474 <0.0001 0.000483 <0.0000999 0.000119 <0.0000995 ND <0.0000992 0.00151 <0.0000989 0.00279 <0.0000998 NE 2,2',4,4',5,6'-HxCB 154 2,2',4,4',5,6'-Hexachlorobiphenyl EPA 1668A 60145-22-4 mg/kg ND <0.0000492 0.000085 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,4,5',6-HxCB 144 2,2',3,4,5',6-Hexachlorobiphenyl EPA 1668A 68194-14-9 mg/kg ND <0.0000492 0.000314 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.00011 <0.0000495 0.000238 <0.0000499 NE (147/149)147/149 NA (Co-elution)EPA 1668A E52450814 mg/kg 0.000725 <0.0000984 0.0063 <0.0001 0.00115 <0.0000999 0.000197 <0.0000995 0.000121 <0.0000992 0.00228 <0.0000989 0.00457 <0.0000998 NE (134/143)134/143 NA (Co-elution)EPA 1668A E52450780 mg/kg ND <0.0000984 0.000294 <0.0001 ND <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 0.000135 <0.0000998 NE (139/140)139/140 NA (Co-elution)EPA 1668A E52450806 mg/kg ND <0.0000984 0.000126 <0.0001 ND <0.0000999 ND <0.0000995 ND <0.0000992 ND <0.0000989 ND <0.0000998 NE 2,2',3,3',4,6-HxCB 131 2,2',3,3',4,6-Hexachlorobiphenyl EPA 1668A 61798-70-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,4,5,6-HxCB 142 2,2',3,4,5,6-Hexachlorobiphenyl EPA 1668A 41411-61-4 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,3',4,6'-HxCB 132 2,2',3,3',4,6'-Hexachlorobiphenyl EPA 1668A 38380-05-1 mg/kg 0.000232 <0.0000492 0.00216 <0.00005 0.000355 <0.0000499 0.0000581 <0.0000497 ND <0.0000496 0.00053 <0.0000495 0.00119 <0.0000499 NE 2,2',3,3',5,5'-HxCB 133 2,2',3,3',5,5'-Hexachlorobiphenyl EPA 1668A 35694-04-3 mg/kg ND <0.0000492 0.000242 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.0000797 <0.0000495 0.000117 <0.0000499 NE 2,3,3',5,5',6-HxCB 165 2,3,3',5,5',6-Hexachlorobiphenyl EPA 1668A 74472-46-1 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,4',5,5'-HxCB 146 2,2',3,4',5,5'-Hexachlorobiphenyl EPA 1668A 51908-16-8 mg/kg 0.000472 <0.0000492 0.00263 <0.00005 0.000328 <0.0000499 0.00019 <0.0000497 0.000142 <0.0000496 0.000979 <0.0000495 0.00148 <0.0000499 NE 2,3,3',4,5',6-HxCB 161 2,3,3',4,5',6-Hexachlorobiphenyl EPA 1668A 74472-43-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (153/168)153/168 NA (Co-elution)EPA 1668A E52450822 mg/kg 0.00239 <0.0000984 0.0155 <0.0001 0.00194 <0.0000999 0.00106 <0.0000995 0.00076 <0.0000992 0.00579 <0.0000989 0.00853 <0.0000998 NE 2,2',3,4,5,5'-HxCB 141 2,2',3,4,5,5'-Hexachlorobiphenyl EPA 1668A 52712-04-6 mg/kg 0.000283 <0.0000492 0.00234 <0.00005 0.000337 <0.0000499 0.0000871 <0.0000497 0.000054 <0.0000496 0.000803 <0.0000495 0.00141 <0.0000499 NE 2,2',3,3',4,5'-HxCB 130 2,2',3,3',4,5'-Hexachlorobiphenyl EPA 1668A 52663-66-8 mg/kg 0.0000959 <0.0000492 0.000655 <0.00005 0.000121 <0.0000499 ND <0.0000497 ND <0.0000496 0.000219 <0.0000495 0.000362 <0.0000499 NE 2,2',3,4,4',5-HxCB 137 2,2',3,4,4',5-Hexachlorobiphenyl EPA 1668A 35694-06-5 mg/kg 0.0000593 <0.0000492 0.000322 <0.00005 0.0000963 <0.0000499 ND <0.0000497 ND <0.0000496 0.0000938 <0.0000495 0.00012 <0.0000499 NE 2,3,3',4',5',6-HxCB 164 2,3,3',4',5',6-Hexachlorobiphenyl EPA 1668A 74472-45-0 mg/kg 0.000232 <0.0000492 0.00131 <0.00005 0.000172 <0.0000499 0.0000805 <0.0000497 ND <0.0000496 0.00044 <0.0000495 0.000773 <0.0000499 NE (129/138/163)129/138/163 NA (Co-elution)EPA 1668A mg/kg 0.00332 <0.000148 0.0196 <0.00015 0.00251 <0.00015 0.00136 <0.000149 0.001 <0.000149 0.00636 <0.000148 0.00917 <0.00015 NE 2,3,3',4,5,6-HxCB 160 2,3,3',4,5,6-Hexachlorobiphenyl EPA 1668A 41411-62-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3,3',4,4',6-HxCB 158 2,3,3',4,4',6-Hexachlorobiphenyl EPA 1668A 74472-42-7 mg/kg 0.000277 <0.0000492 0.00165 <0.00005 0.000221 <0.0000499 0.000102 <0.0000497 0.0000781 <0.0000496 0.000448 <0.0000495 0.00069 <0.0000499 NE (128/166)128/166 NA (Co-elution)EPA 1668A E52450764 mg/kg 0.000475 <0.0000984 0.0021 <0.0001 0.000377 <0.0000999 0.000166 <0.0000995 0.000152 <0.0000992 0.000754 <0.0000989 0.0011 <0.0000998 NE 2,3,3',4,5,5'-HxCB 159 2,3,3',4,5,5'-Hexachlorobiphenyl EPA 1668A 39635-35-3 mg/kg 0.0000724 <0.0000492 0.000243 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.000117 <0.0000495 0.000201 <0.0000499 NE 2,3,3',4',5,5'-HxCB 162 2,3,3',4',5,5'-Hexachlorobiphenyl EPA 1668A 39635-34-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,3',4,4',5,5'-HxCB 167 2,3',4,4',5,5'-Hexachlorobiphenyl EPA 1668A 52663-72-6 mg/kg 0.000135 <0.0000492 0.000381 <0.00005 0.000123 <0.0000499 0.0000714 <0.0000497 0.0000601 <0.0000496 0.000255 <0.0000495 0.000339 <0.0000499 0.12 (156/157)156/157 NA (Co-elution)EPA 1668A E52450830 mg/kg 0.000209 <0.0000984 0.000694 <0.0001 0.000209 <0.0000999 ND <0.0000995 ND <0.0000992 0.000314 <0.0000989 0.000427 <0.0000998 0.12 3,3',4,4',5,5'-HxCB 169 3,3',4,4',5,5'-Hexachlorobiphenyl EPA 1668A 32774-16-6 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 0.00012 2,2',3,4',5,6,6'-HpCB 188 2,2',3,4',5,6,6'-Heptachlorobiphenyl EPA 1668A 74487-85-7 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,3',5,6,6'-HpCB 179 2,2',3,3',5,6,6'-Heptachlorobiphenyl EPA 1668A 52663-64-6 mg/kg 0.000672 <0.0000492 0.00275 <0.00005 0.000268 <0.0000499 0.000182 <0.0000497 0.000124 <0.0000496 0.00102 <0.0000495 0.00187 <0.0000499 NE 2,2',3,4,4',6,6'-HpCB 184 2,2',3,4,4',6,6'-Heptachlorobiphenyl EPA 1668A 74472-48-3 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,3',4,6,6'-HpCB 176 2,2',3,3',4,6,6'-Heptachlorobiphenyl EPA 1668A 52663-65-7 mg/kg 0.00014 <0.0000492 0.000721 <0.00005 0.0000606 <0.0000499 ND <0.0000497 ND <0.0000496 0.000241 <0.0000495 0.000462 <0.0000499 NE 2,2',3,4,5,6,6'-HpCB 186 2,2',3,4,5,6,6'-Heptachlorobiphenyl EPA 1668A 74472-49-4 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE 2,2',3,3',5,5',6-HpCB 178 2,2',3,3',5,5',6-Heptachlorobiphenyl EPA 1668A 52663-67-9 mg/kg 0.000416 <0.0000492 0.00156 <0.00005 0.000185 <0.0000499 0.000198 <0.0000497 0.000145 <0.0000496 0.000832 <0.0000495 0.00124 <0.0000499 NE 2,2',3,3',4,5',6-HpCB 175 2,2',3,3',4,5',6-Heptachlorobiphenyl EPA 1668A 40186-70-7 mg/kg 0.0000663 <0.0000492 0.00025 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.000127 <0.0000495 0.000197 <0.0000499 NE 2,2',3,4',5,5',6-HpCB 187 2,2',3,4',5,5',6-Heptachlorobiphenyl EPA 1668A 52663-68-0 mg/kg 0.00249 <0.0000492 0.008 <0.00005 0.00106 <0.0000499 0.000999 <0.0000497 0.000923 <0.0000496 0.00456 <0.0000495 0.00686 <0.0000499 NE 2,2',3,4,4',5,6'-HpCB 182 2,2',3,4,4',5,6'-Heptachlorobiphenyl EPA 1668A 60145-23-5 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (183/185)183/185 NA (Co-elution)EPA 1668A E52450863 mg/kg 0.000999 <0.0000984 0.00307 <0.0001 0.000456 <0.0000999 0.000361 <0.0000995 0.00028 <0.0000992 0.00178 <0.0000989 0.0028 <0.0000998 NE 2,2',3,3',4,5,6'-HpCB 174 2,2',3,3',4,5,6'-Heptachlorobiphenyl EPA 1668A 38411-25-5 mg/kg 0.00163 <0.0000492 0.00533 <0.00005 0.000742 <0.0000499 0.000502 <0.0000497 0.000336 <0.0000496 0.00297 <0.0000495 0.00522 <0.0000499 NE 2,2',3,3',4,5',6'-HpCB 177 2,2',3,3',4,5',6'-Heptachlorobiphenyl EPA 1668A 52663-70-4 mg/kg 0.00106 <0.0000492 0.00249 <0.00005 0.000422 <0.0000499 0.000443 <0.0000497 0.000331 <0.0000496 0.00177 <0.0000495 0.0032 <0.0000499 NE 2,2',3,4,4',5,6-HpCB 181 2,2',3,4,4',5,6-Heptachlorobiphenyl EPA 1668A 74472-47-2 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (171/173)171/173 NA (Co-elution)EPA 1668A E52450848 mg/kg 0.000536 <0.0000984 0.00116 <0.0001 0.000224 <0.0000999 0.000246 <0.0000995 0.000201 <0.0000992 0.00096 <0.0000989 0.00149 <0.0000998 NE 2,2',3,3',4,5,5'-HpCB 172 2,2',3,3',4,5,5'-Heptachlorobiphenyl EPA 1668A 52663-74-8 mg/kg 0.000364 <0.0000492 0.00128 <0.00005 0.000168 <0.0000499 0.000173 <0.0000497 0.000139 <0.0000496 0.000629 <0.0000495 0.000927 <0.0000499 NE 2,3,3',4,5,5',6-HpCB 192 2,3,3',4,5,5',6-Heptachlorobiphenyl EPA 1668A 74472-51-8 mg/kg ND <0.0000492 ND <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 ND <0.0000495 ND <0.0000499 NE (180/193)180/193 NA (Co-elution)EPA 1668A E52450855 mg/kg 0.00433 <0.0000984 0.0162 <0.0001 0.00207 <0.0000999 0.00237 <0.0000995 0.00193 <0.0000992 0.00807 <0.0000989 0.0121 <0.0000998 NE 2,3,3',4,4',5',6-HpCB 191 2,3,3',4,4',5',6-Heptachlorobiphenyl EPA 1668A 74472-50-7 mg/kg 0.0000665 <0.0000492 0.000256 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.000144 <0.0000495 0.000195 <0.0000499 NE 2,2',3,3',4,4',5-HpCB 170 2,2',3,3',4,4',5-Heptachlorobiphenyl EPA 1668A 35065-30-6 mg/kg 0.00185 <0.0000492 0.00707 <0.00005 0.000841 <0.0000499 0.000997 <0.0000497 0.000799 <0.0000496 0.00338 <0.0000495 0.00505 <0.0000499 NE 2,3,3',4,4',5,6-HpCB 190 2,3,3',4,4',5,6-Heptachlorobiphenyl EPA 1668A 41411-64-7 mg/kg 0.000446 <0.0000492 0.0014 <0.00005 0.000191 <0.0000499 0.000237 <0.0000497 0.000189 <0.0000496 0.000729 <0.0000495 0.00106 <0.0000499 NE 2,3,3',4,4',5,5'-HpCB 189 2,3,3',4,4',5,5'-Heptachlorobiphenyl EPA 1668A 39635-31-9 mg/kg 0.0000762 <0.0000492 0.000275 <0.00005 ND <0.0000499 ND <0.0000497 ND <0.0000496 0.000132 <0.0000495 0.000201 <0.0000499 0.13 2,2',3,3',5,5',6,6'-OcCB 202 2,2',3,3',5,5',6,6'-Octachlorobiphenyl EPA 1668A 2136-99-4 mg/kg 0.000291 <0.0000738 0.000898 <0.000075 0.000152 <0.0000749 0.000153 <0.0000746 0.000126 <0.0000744 0.00047 <0.0000742 0.000716 <0.0000748 NE Table 3-2 Surface Soil Sample Analytical Results - Congener Analysis Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Congener Number IUPAC Name Method CAS Units EPA RSL - Residential SoilABF-SB056-F002ABF-SB057-F002ABF-SB052-F002ABF-SB053-F002ABF-SB054-F002ABF-SB055-F002ABF-SB055-D002Location Depth Date Time 5/9/2018 11:55 12:10 12:30 13:50 13:55 13:30 13:05 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 5/9/2018 Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch Stormwater Ditch 0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5'0'-0.5' 2,2',3,3',4,5',6,6'-OcCB 201 2,2',3,3',4,5',6,6'-Octachlorobiphenyl EPA 1668A 40186-71-8 mg/kg 0.000144 <0.0000738 0.000386 <0.000075 ND <0.0000749 ND <0.0000746 ND <0.0000744 0.000247 <0.0000742 0.000376 <0.0000748 NE 2,2',3,4,4',5,6,6'-OcCB 204 2,2',3,4,4',5,6,6'-Octachlorobiphenyl EPA 1668A 74472-52-9 mg/kg ND <0.0000738 ND <0.000075 ND <0.0000749 ND <0.0000746 ND <0.0000744 ND <0.0000742 ND <0.0000748 NE (197/200)197/200 NA (Co-elution)EPA 1668A E52450871 mg/kg 0.000193 <0.000148 0.00097 <0.00015 ND <0.00015 ND <0.000149 ND <0.000149 0.000358 <0.000148 0.000537 <0.00015 NE (198/199)198/199 NA (Co-elution)EPA 1668A E52450889 mg/kg 0.00154 <0.000148 0.00573 <0.00015 0.000727 <0.00015 0.000831 <0.000149 0.00065 <0.000149 0.00261 <0.000148 0.00364 <0.00015 NE 2,2',3,3',4,4',5,6'-OcCB 196 2,2',3,3',4,4',5,6'-Octachlorobiphenyl EPA 1668A 42740-50-1 mg/kg 0.000543 <0.0000738 0.00261 <0.000075 0.000287 <0.0000749 0.00032 <0.0000746 0.000238 <0.0000744 0.00104 <0.0000742 0.00151 <0.0000748 NE 2,2',3,4,4',5,5',6-OcCB 203 2,2',3,4,4',5,5',6-Octachlorobiphenyl EPA 1668A 52663-76-0 mg/kg 0.000903 <0.0000738 0.00395 <0.000075 0.000446 <0.0000749 0.000527 <0.0000746 0.000409 <0.0000744 0.00161 <0.0000742 0.00226 <0.0000748 NE 2,2',3,3',4,4',5,6-OcCB 195 2,2',3,3',4,4',5,6-Octachlorobiphenyl EPA 1668A 52663-78-2 mg/kg 0.000516 <0.0000738 0.00243 <0.000075 0.000208 <0.0000749 0.000314 <0.0000746 0.000236 <0.0000744 0.000948 <0.0000742 0.0014 <0.0000748 NE 2,2',3,3',4,4',5,5'-OcCB 194 2,2',3,3',4,4',5,5'-Octachlorobiphenyl EPA 1668A 35694-08-7 mg/kg 0.00122 <0.0000738 0.00258 <0.000075 0.000597 <0.0000749 0.000692 <0.0000746 0.00049 <0.0000744 0.00213 <0.0000742 0.00306 <0.0000748 NE 2,3,3',4,4',5,5',6-OcCB 205 2,3,3',4,4',5,5',6-Octachlorobiphenyl EPA 1668A 74472-53-0 mg/kg ND <0.0000738 0.000209 <0.000075 ND <0.0000749 ND <0.0000746 ND <0.0000744 0.000133 <0.0000742 0.000185 <0.0000748 NE 2,2',3,3',4,5,5',6,6'-NoCB 208 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl EPA 1668A 52663-77-1 mg/kg 0.00017 <0.0000738 0.000414 <0.000075 0.000145 <0.0000749 0.000125 <0.0000746 0.000087 <0.0000744 0.00029 <0.0000742 0.000399 <0.0000748 NE 2,2',3,3',4,4',5,6,6'-NoCB 207 2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl EPA 1668A 52663-79-3 mg/kg 0.0000771 <0.0000738 0.000118 <0.000075 ND <0.0000749 ND <0.0000746 ND <0.0000744 0.000128 <0.0000742 0.000171 <0.0000748 NE 2,2',3,3',4,4',5,5',6-NoCB 206 2,2',3,3',4,4',5,5',6-Nonachlorobiphenyl EPA 1668A 40186-72-9 mg/kg 0.000707 <0.0000738 0.0017 <0.000075 0.000485 <0.0000749 0.000436 <0.0000746 0.000324 <0.0000744 0.00114 <0.0000742 0.00144 <0.0000748 NE Decachlorobiphenyl 209 Decachlorobiphenyl EPA 1668A 2051-24-3 mg/kg 0.000199 <0.0000738 0.000405 <0.000075 0.0003 <0.0000749 0.000249 <0.0000746 0.000213 <0.0000744 0.000745 <0.0000742 0.00104 <0.0000748 NE ----Total Non-dioxin-like Congeners ----mg/kg 0.0316806 0.1413756 0.0238227 0.0137747 0.0104771 0.0620064 0.0977401 0.23 ND - The analyte was not detected above laboratory detection limits. Subscript indicates compound-specific Method Specified Reporting Limit (EML) in mg/kg. I - Interference present. Concentration indicated represents the Estimated Maximum Possible Concentration. EPA Regional Screening Level (RSL) - May 2018 Update, Target Hazard Quotient (THQ) of 1.0. Human health risks are evaluated as the individual concentrations of the 12 dioxin-like congeners (PCB-77, 81, 105, 114, 118, 123, 126, 156, 157, 167, 169, 1889). Risks associated with the remaining congeners are totaled as the “non-dioxin-like congeners”. The RSL for “Polychlorinated Biphenyls (high risk)” is utilized for non-dioxin-like congeners. NE - Not established. Table 3-3 Badin Lake Sediment Sample Analytical Results Former Ball Field Area Badin Business Park Facility Badin, North Carolina Sample ID Method CAS Units EPA Freshwater Sediment Ecological Screening Value (ESV)ABF-SD003-F002Location Date Time Percent Moisture ASTM D2974-87 % 1-Methylnaphthalene EPA 8270 90-12-0 mg/kg ND <0.111 0.141 2-Methylnaphthalene EPA 8270 91-57-6 mg/kg ND <0.0914 0.0202 Acenaphthene EPA 8270 83-32-9 mg/kg ND <0.0978 0.0067 Acenaphthylene EPA 8270 208-96-8 mg/kg ND <0.100 0.0059 Anthracene EPA 8270 120-12-7 mg/kg ND <0.0952 0.057 Benzo(a)anthracene EPA 8270 56-55-3 mg/kg 0.108 Benzo(a)pyrene EPA 8270 50-32-8 mg/kg 0.15 Benzo(b)fluoranthene EPA 8270 205-99-2 mg/kg 0.19 Benzo(g,h,i)perylene EPA 8270 191-24-2 mg/kg ND <0.108 0.17 Benzo(k)fluoranthene EPA 8270 207-08-9 mg/kg ND <0.0836 0.24 Chrysene EPA 8270 218-01-9 mg/kg 0.166 Dibenz(a,h)anthracene EPA 8270 53-70-3 mg/kg ND <0.0901 0.033 Fluoranthene EPA 8270 206-44-0 mg/kg ND <0.0618 0.423 Fluorene EPA 8270 86-73-7 mg/kg ND <0.0875 0.077 Indeno(1,2,3-cd)pyrene EPA 8270 193-39-5 mg/kg ND <0.0875 0.2 Naphthalene EPA 8270 91-20-3 mg/kg ND <0.104 0.176 Phenanthrene EPA 8270 85-01-8 mg/kg ND <0.0708 0.204 Pyrene EPA 8270 129-00-0 mg/kg 0.195 Total Polycyclic Aromatic Hydrocarbons mg/kg 1.61 ND - The analyte was not detected above laboratory detection limits. Subscript indicates compound-specific MDL in mg/kg. J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. NE - Not established. ESV derived from Region 4 Ecological Risk Assessment Supplemental Guidance - March 2018 Update ND 10:35 22.5 Badin Lake 5/9/2019 0.123 J 0.108 J 0.148 J 0.112 J 0.139 J ENVIRONEERING, INC. 137-263 Former Ball Field Area Report – Badin Business Park Facility - Badin, NC; August 2018 14 4.0 CONCLUSIONS Based on available historic photographs, the Former Ball Field Area was undeveloped prior to 1938. The ball field was constructed sometime between 1938 and 1950, and its usage became underutilized in the late 1990s. The current understanding is that the Former Ball Field Area was either undeveloped or historically used as a recreational area through most of the 20th century. Recent geophysical survey and laboratory analytical data support the current understanding of the Former Ball Field Area. The geophysical surveys did not identify any evidence of a disposal trench in the Former Ball Field Area or adjacent parking lot. Concentrations of PAHs are believed to be anthropogenic in nature. A concentration of one PCB Aroclor was detected in one sample collected at the site, however concentrations of all PCB Congeners were below regulatory limits. ENVIRONEERING, INC. Appendix A Former Ball Field Geophysical Survey GEOPHYSICAL EVALUATION AT THE ALCOA BALL FIELD, BADIN, NORTH CAROLINA PREPARED FOR ENVIRONEERING, INC. by Geo Solutions Ltd. GEO SOLUTIONS LIMITED, INC. CONWAY, NORTH CAROLINA JULY 2018 TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................................................................................ 1 1.1 Background ..................................................................................................................................................... 1 1.2 Scope of Work ................................................................................................................................................ 1 2.0 GEOPHYSICAL TECHNIQUES ................................................................................................................... 2 2.1 Multifrequency Electromagnetic Survey ........................................................................................................ 2 2.1.1 Introduction ............................................................................................................................................ 2 2.1.2 Field Activities ....................................................................................................................................... 2 2.1.3 Data Quality ............................................................................................................................................ 4 2.1.4 Limitations .............................................................................................................................................. 4 2.2 Ground-Penetrating Radar ............................................................................................................................. 4 2.2.1 Introduction ............................................................................................................................................ 4 2.2.2 Field Activities ....................................................................................................................................... 5 2.2.4 Data Quality ............................................................................................................................................ 5 2.2.5 Limitations .............................................................................................................................................. 5 3.0 EM INTERPRETATION ................................................................................................................................ 5 3.1 Apparent Conductivity Survey ................................................................................................................... 5 3.2 In-Phase Survey .......................................................................................................................................... 6 4.0 GPR INTERPRETATION .............................................................................................................................. 6 5.0 CONCLUSIONS ............................................................................................................................................... 7 6.0 REFERENCES ................................................................................................................................................. 7 LIST OF FIGURES Figure 1. Site Map Figure 2. Map of Electromagnetic (EM) Profile Locations Figure 3. Results of Quality Assurance and Quality Control EM Profiles Figure 4. Map of the Ground-Penetrating Radar (GPR) Profile Locations Figure 5. Map of the Results of the EM 32,190 Hz Apparent Conductivity Data Figure 6. Map of the Results of the EM 32,190 Hz In-Phase Data Figure 7. GPR Records Along Three Profiles Across the Ball Field Area Figure 8. GPR Record Along Abandoned Railway Figure 9. GPR Record Over Gravel Parking Lot. 1 1.0 INTRODUCTION Geo Solutions Limited, Inc. (Geo Solutions) is pleased to submit this report to ENVIRONEERING, Inc. (ENVIRONEERING) for a geophysical survey at the Former Ball Field Area, located in Badin, North Carolina. 1.1 Background ENVIRONEERING requested Geo Solutions complete a geophysical evaluation of the Former Ball Field Area located in Badin, North Carolina. The Former Ball Field Area was once positioned west of the Badin Business Park facility across Highway 740 (Figure 1). The total area is approximately 10 acres in size with a suspected railroad track foundation and Badin Lake bordering the northern edge of the site. A public boat landing is present northeast of the Former Ball Field Area. Grass grows over the entire site with the exception of the gravel parking lot for the public boat landing. According to the September 25, 2015, Expanded Pre-CERCLIS Screening Assessment as conducted by the North Carolina Department of Environmental Quality (NCDEQ), in 2014, a local citizen reported that loads of brick and spent pot liner had been disposed in the area of the Ball Field property before it was used as a park. The citizen reported that a large (10-feet-wide, 6 feet deep) drainage ditch formerly crossed the Ball Field property and connected to Badin Lake via the storm water catch basin. The reported location of the older ditch roughly corresponded to the current alignment of the western drainage swale. The citizen alleged that the drainage ditch had been partially backfilled using pot liner, and that pot liner was likely to have been disposed at additional locations within the Ball Field parcel. To determine the morphology of the area, ENVIRONEERING assembled a chronology of the site using historical topographic maps, historical photographs, and aerial imagery. Based on available photographs, the area was undeveloped prior to 1938, the Ball Field was installed between 1938 and 1950, and the area has been underutilized since the late 1990s. The current understanding is that the former Ball Field was either undeveloped or historically used as a recreational area through almost all of the 20th century. In January 2017, NCDEQ requested that a determination be made if a large ditch, backfilled with spent potliner, is present at the former Ball Field. As such, ENVIRONEERING requested a geophysical evaluation of the area for potential buried conductive material and, if present, to characterize its horizontal and vertical extents. 1.2 Scope of Work The geophysical evaluation of the Former Ball Field Area consisted of an electromagnetic (EM) profile mapping of the entire 10-acre site. The purpose of the EM survey was to address the 2014 allegations through an evaluation of the area for potential buried conductive material. Following the completion of the EM survey, Geo Solutions completed a ground penetrating radar (GPR) survey over the entire 10-acre site. The purpose of this GPR investigation was to investigate the potential presence of a buried ditch that may contain waste materials. 2 2.0 GEOPHYSICAL TECHNIQUES 2.1 Multifrequency Electromagnetic Survey 2.1.1 Introduction The EM Method is a non-contact (uncoupled) geophysical method that utilizes a multiple frequency electromagnetic detector (Geophex Model GEM-2). The EM instrument collects electromagnetic responses in the in-phase (metal detection or magnetic susceptibility mode) and quadrature (conductivity) mode. An object, made partly or wholly of metals or conductive materials, has a characteristic combination of electrical conductivity, magnetic permeability properties, and a geometrical shape and size. When the object is exposed to a low-frequency electromagnetic field, it produces a secondary magnetic field. By measuring the broadband spectrum of the secondary field, it is possible to obtain a distinct spectral signature that may uniquely identify the object. Thus, the response spectrum from buried material becomes a clue or a “fingerprint” of the material. This is the basic concept of electromagnetic induction spectroscopy (“EMIS”) (Won, et. al. 1998). EMIS technology is useful in characterizing buried material (either metal bearing or conductive). In this case, Geo Solutions was interested in evaluating the potential presence of waste materials from facility operations which would include spent pot liner and bricks. The presence of these waste materials would exhibit elevated apparent conductivity values Metal bearing materials (such as remnant steel in the waste materials) tend to have lower apparent conductivity responses and higher in-phase responses. As a result, a comparison of apparent conductivity values with the in- phase (metal detection mode) values provides insight as to the composition and extent of buried material with anomalous high in-phase and apparent conductivity values. 2.1.2 Field Activities Geo Solutions completed all field work on April 18, 2018. The following is Geo Solutions’ technical approach that was completed during the geophysical evaluation to assist ENVIRONEERING with the evaluation of the Former Ball Field Area. • The GEM-2 was operated in remote control configuration while evaluating the site. In this mode the GEM-2 unit is mounted on PVC tubular sled positioned approximately 0.75 meters from the ground surface and towed with a Polaris Ranger all-terrain vehicle (ATV). The receiving coil (detector coil) is situated directly above the exposed ground surface. • The EM in-phase and conductivity data were collected simultaneously at six varying frequencies (1,470 Hz, 4,110 Hz, 9,810 Hz, 32,190 Hz, 60,000 Hz, and 90,030 Hz). 3 Photograph showing typical deployment of EM unit mounted on sled, as configured for this evaluation. • Data was collected at the rate of thirty samples per second. The position of each sample point was measured utilizing a Hemisphere Model A-325 GPS unit which is augmented by the Wide Area Augmentation System (WAAS) and is capable of submeter accuracy that provided real-time location data. The GEM-2 communicated to a handheld data collector on board the Polaris Ranger ATV via Bluetooth. • Prior to beginning and before ending the EM survey a quality assurance and quality control (QA/QC) profile was completed to test the response of the GEM-2 EM profiler. The QA/QC profile was 50-feet long with a steel plate in the center. The results showed the expected EM response with the plate causing a low apparent conductivity response to occur at the center point of the profile line. The slight variability can be attributed to the high sensitivity of the GEM-2. Crossing the steel plate at a slightly different orientation can cause a small variation in response. The results of the QA/QC data indicate that the GEM- 2 was functioning property during the survey. • The EM profile spacing was approximately 3 feet apart. Geo Solutions extended the survey area slightly to include all the parking lot area. The total area surveyed was approximately 10-acres. The sample spacing along each profile is a function of rate of travel of the sled. Here, the average sample spacing along each profile was less than 1 foot. The locations of the EM profiles are presented on Figure 2. • The EM data was transferred from the GEM-2 to a laptop computer using the WinGEM Version 3 software provided by the manufacturer. During the transfer process, the WinGEM software assigns UTM metric coordinates to each data collection station, and calculates the apparent conductivity, sum of conductivity, and magnetic susceptibility for each frequency collected using the system software. These data were then transferred to a Microsoft Excel Spread Sheet and reviewed for data anomalies such as poor GPS confidence levels that would likely result in poor coordinate assignments. These data were used to compile a series of maps illustrating various responses using a simple mapping program (Golden Software’s Surfer Mapping System Version 15). 4 2.1.3 Data Quality The EM data was consistent with the field observations made during the survey. Areas where utilities are visible at the surface correspond to linear features observed in the EM data as well as elevated EM responses from surface infrastructure noted across the site. Changes in the EM response over known subsurface features such as the abandoned railroad were detected. These consistencies would indicate that the data quality is of high integrity. Further, Figure 3 displays the results of the QA/QC profiles collected prior to beginning and after completed the survey. These results indicate that the GEM-2 was functioning properly during the survey with both profiles displaying a negative in-phase EM response at the center point of the profile line. The slight variability between profiles can be attributed to the high sensitivity of the GEM-2. Crossing the steel plate at a slightly different orientation can cause a small variation in response. 2.1.4 Limitations The presence of vehicles and boat trailers in the gravel parking lot required a buffer to prevent inference in the EM data set. Therefore, in this area the survey profile density was greater than 3 feet. 2.2 Ground-Penetrating Radar 2.2.1 Introduction GPR is an effective geophysical tool used to establish vertical and horizontal variations of certain electrical properties of soil. GPR is a noninvasive electromagnetic geophysical technique that utilizes radio frequency EM energy to detect various layers in the earth’s shallow subsurface. It is widely used in environmental site characterization and landfill construction verification. It may be deployed from the surface by hand or vehicle (sled). Here, the GPR was mounted on a three wheeled hand pushed cart as shown in the photograph below. Typical setup of GPR using a hand-pushed cart (left) and the Model 4000 display (right). GPR has the highest resolution of any geophysical method for imaging the subsurface, with centimeter scale resolution sometimes possible. However, GPR investigations usually are affected by subsurface conditions: 5 • Soil composition affects the depth of detection (i.e. higher clay content generally equal lesser depths of penetration of the radar signal and thus the lesser depths of detection). • Presence of highly conductive material (i.e., less resistive material) generally equals poorer quality of recovered data and shallower sounding depths. Conductive material enhances the attenuation of the radar signal, thus reducing the depth of penetration. 2.2.2 Field Activities The GPR data was collected on the GSSI Model SIR 4000 GPR unit equipped with a 350 MHz antenna, and visually reviewed in the field for completeness and reliability. The GSSI Model SIR 4000 unit uses a digital survey wheel to determine the distance between each vertical survey GPR sounding. These data are also collected along with the time domain records of the GPR. The approximate depth of penetration across the site was 6 feet below land surface (bls). Twelve (12) GPR profiles spaced approximately 100 feet apart were used to create a grid over the grassy area of the former ball field area. Four (4) additional profiles were completed in the gravel parking lot area. Figure 4 displays the location of each GPR profile collected. Each GPR profile was evaluated both in the field as the data was being collected and again in the office. 2.2.4 Data Quality The quality of the GPR data was good with 6 feet penetration. Below 6 feet, the GPR signal was significantly degraded due to native clayey soils. Data below 6 feet bls was not used in the site evaluation. 2.2.5 Limitations GPR data is limited by the type of soil and the presence or absence of groundwater. Here, a high quantity of clay in the upper units prevented detection of subsurface features below 6 feet bls. However, the potential presence of a trench would have been well within the range of the GPR detection limit. 3.0 EM INTERPRETATION The EM evaluation indicated no evidence in the apparent conductivity or in-phase data sets of a trench filled with suspected buried waste materials within the EM survey area. A summary of both the in-phase and apparent conductivity results are outlined below. 3.1 Apparent Conductivity Survey A map illustrating the results of the 32,190 Hz frequency response apparent conductivity values is presented as Figure 5. The 32,190 Hz frequency was chosen to display the results of the EM survey because it provided the most uniform representation of the overall database in comparison to the other six frequencies. Results from the EM apparent conductivity survey are as follows: 6 • A linear feature was detected during the EM survey which ran from the northern side of the site near Badin Lake. The linear feature is approximately 140 feet long. The feature ends abruptly where it tees in both directions east and west. • The area along the abandoned railway was elevated in apparent conductivity. Here the railway appears to be approximately 25 feet wide. It is likely that the elevated EM response is related to remnants of the railroad bed including potential gravel and wood. • An area of elevated apparent conductivity was detected in the parking lot used for the public boat access. This area is approximately 50 feet by 30 feet in dimensions. The high frequency apparent conductivity response is much greater than the lower frequency response which would suggest the source is limited to the shallow subsurface in this area. • Other abandoned utilities can be observed in the apparent conductivity data. These abandoned utilities are likely buried power lines that ran to the stadium lights of the former ball field. 3.2 In-Phase Survey Figure 6 displays the results of the 32,190 Hz in-phase data across the site. Here, the orange, red, and dark blue-purple hues indicate areas of surficial and buried metallic materials while the faint yellow and green hues indicate background site conditions. Results from the EM in-phase survey are as follows: • Based on the in-phase response remnant metallic materials are present along the abandoned railroad however it does appear that the rails were removed. • Other surficial features were detected during the EM survey which include manholes, a culvert, a trash can, and a metal picnic table. 4.0 GPR INTERPRETATION Geo Solutions evaluated the GPR results from the profile data collected. The following is a summary of the results: • The approximate depth of GPR penetration across the site was 6 feet from the land surface. Several examples along these profiles are presented on Figure 7. • Geo Solutions utilized GPR to evaluate the linear feature detected during the EM survey. Here, a utility was detected with GPR at a depth of approximately 1.5 feet below the surface. The utility was traced from a covered box where a water meter was observed southward to a tee where the utility splits to the east and west. According to a representative from Badin Business Park, the abandoned water line formerly served several temporary trailers staged as part of a Badin community festival. 7 • Profile 12 was positioned along the alignment of the abandoned soil covered railway. An excerpt from Profile 12 is presented as Figure 8. Here, a reflector was detected at 0.5 ft bls which is consistent with remnants of the railroad bed and extend down to 1 foot below the surface. These remnants are likely the track foundation which include railroad ties, gravel, and metal reinforcement. The railroad bed is elevated east of the gravel parking lot. The GPR data suggests that there is approximately 4 feet of fill material placed over native soils in this area. This area is approximately 5 to 6 feet higher in elevation than the ball field. • The area of elevated apparent conductivity detected in the parking lot was evaluated with GPR. Shown on an excerpt from Profile 16, a small feature was detected in the upper 1 foot of soil (Figure 9). Pointed out on Figure 9 is a ringing effect in the data which makes the object appear to extend deeper than it is actually positioned. This is caused due to the time travel of the radio waves being reflected numerous times off the same object. Along this GPR profile the buried feature appears to be very thin (less than 0.5 feet) and is unlikely related to a waste disposal area. 5.0 CONCLUSIONS EM and GPR evaluations were conducted at the former ball field located west of the Badin Business Park facility. The following are the conclusions of the evaluations: • There was no evidence of a disposal trench in the Former Ball Field Area or adjacent parking lot. • The linear area of elevated apparent conductivity is related to a subsurface utility that was installed after the demolition of the Ball Field. • An area of elevated apparent conductivity was detected in the parking lot area during the EM survey. There was very little in-phase response in this area which would suggest a non- metallic material. Additionally, GPR profiles in this area suggest the source of the elevated conductivity is in the upper 0.5 feet of soil. • The former railway is elevated in apparent conductivity and in-phase data which is likely related to remnants of the former railway which may include gravel, wood, and metal. GPR profiles in the area suggest the area of remnant materials is approximately 1 foot thick. The total thickness of the railroad bed is approximately 4 feet. 6.0 REFERENCES I.J. Won, D.A. Keiswetter, and E. Novikova, 1998, Electromagnetic induction spectroscopy, Journal of Environmental and Engineering Geophysics, v. 3, Issue 1, pp. 27-40. Figure 1. LEGEND Geo Solutions Ltd. 0 100 200 300 Map Scale (ft) Geophysical Survey Boundary Site Map GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Figure 2. LEGEND MULTIFREQUENCY EM GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. 0 100 200 300 Map Scale (ft) Indicates Location of MFEM Survey Point Figure 3. Quality assurance and quality control EM profiles. -30000.00 -25000.00 -20000.00 -15000.00 -10000.00 -5000.00 0.00 5000.00 0 10 20 30 40 5032190 Hz In-Phase (ppm)Distance (ft) QA/QC Profile 1 -30000.00 -25000.00 -20000.00 -15000.00 -10000.00 -5000.00 0.00 5000.00 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.0032190 Hz In-Phase (ppm)Distance (ft) QA/QC Profile 2 Figure 4. LEGEND Ground-Penetrating Radar Profiles GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. 0 100 200 300 Map Scale (ft) Ground-Pentrating Radar Profiles Pro f i l e 1 . Pro f i l e 2 . Profil e 3 . Profil e 4 . Profil e 5 . Profil e 6 .Profile 7.Profile 8.Profile 9.Profile 10.Profile 11.Profile 1 2.Profile 13.Pro f i l e 1 4 .Profile 15.Profile 1 6 . Table and Metal Trash Can Elevated Apparent Conductivity Figure 5. LEGEND Apparent Conductivity Data 32190 Hz MULTIFREQUENCY EM GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. -78 -68 -58 -48 -38 -28 -18 -8 2 12 22 32 42 52 62 72 300 Boat Ramp Railroad Footprint Suspected Abandonded Utilities 0 100 200 300 Map Scale (ft) Sanitary Sewer Manholes Table and Metal Trash Can Figure 6. LEGEND In-Phase Data 32190 Hz MULTIFREQUENCY EM GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. Boat Ramp Railroad Footprint Suspected Abandonded Utilities 0 100 200 300 Map Scale (ft) Sanitary Sewer Manholes Culvert -4000 -3500 -3000 -2500 -2000 -1500 -1000 -500 0 500 1000 1500 2000 2500 3000 3500 4000 Figure 7. Ground-Penetrating Radar Records GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. Profile 1. 171'-213' Profile 3. 136'-179' Profile 5. 116'-159' Figure 8. Ground-Penetrating Radar Record Along Railway GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. Remnants of Railroad Bed Remnant Railroad Ties Profile 12 Figure 9. Ground-Penetrating Radar Record Gravel Parking Lot GEOPHYSICAL SURVEY Alcoa Ball Field, Badin NC Geo Solutions Ltd. Disturbance in Soil Profile Ringing Effect Profile 16 ENVIRONEERING, INC. Appendix B Laboratory Reports and Chain of Custody Forms #=CL# July 03, 2018 LIMS USE: FR - MICHAEL WORDEN LIMS OBJECT ID: 92384453 92384453 Project: Pace Project No.: RE: Michael W. Worden Environeering, Inc. 16100 Cairnway Suite 320 Houston, TX 77084 Alcoa Badin Dear Michael Worden: Enclosed are the analytical results for sample(s) received by the laboratory on May 10, 2018. The results relate only to the samples included in this report. Results reported herein conform to the most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual, where applicable, unless otherwise noted in the body of the report. This revision was issued on 7/3/18 to report results with J-flags to the MDL, per client request. If you have any questions concerning this report, please feel free to contact me. Sincerely, Nicole Gasiorowski nicole.gasiorowski@pacelabs.com Project Manager (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 125 #=CP# CERTIFICATIONS Pace Project No.: Project: 92384453 Alcoa Badin Charlotte Certification IDs 9800 Kincey Ave. Ste 100, Huntersville, NC 28078 Louisiana/NELAP Certification # LA170028 North Carolina Drinking Water Certification #: 37706 North Carolina Field Services Certification #: 5342 North Carolina Wastewater Certification #: 12 South Carolina Certification #: 99006001 Florida/NELAP Certification #: E87627 Kentucky UST Certification #: 84 Virginia/VELAP Certification #: 460221 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 125 #=SS# SAMPLE SUMMARY Pace Project No.: Project: 92384453 Alcoa Badin Lab ID Sample ID Matrix Date Collected Date Received 92384453001 ABF-SD003-F002 Solid 05/09/18 10:35 05/10/18 15:22 92384453002 ABF-SB052-F002 Solid 05/09/18 11:55 05/10/18 15:22 92384453003 ABF-SB053-F002 Solid 05/09/18 12:10 05/10/18 15:22 92384453004 ABF-SB054-F002 Solid 05/09/18 12:30 05/10/18 15:22 92384453005 ABF-SB055-F002 Solid 05/09/18 13:50 05/10/18 15:22 92384453006 ABF-SB055-D002 Solid 05/09/18 13:55 05/10/18 15:22 92384453007 ABF-SB056-F002 Solid 05/09/18 13:30 05/10/18 15:22 92384453008 ABF-SB057-F002 Solid 05/09/18 13:05 05/10/18 15:22 92384453009 ABF-EB001-F002 Water 05/09/18 14:30 05/10/18 15:22 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 125 #=SA# SAMPLE ANALYTE COUNT Pace Project No.: Project: 92384453 Alcoa Badin Lab ID Sample ID Method Analytes Reported LaboratoryAnalysts 92384453001 ABF-SD003-F002 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453002 ABF-SB052-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453003 ABF-SB053-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453004 ABF-SB054-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453005 ABF-SB055-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453006 ABF-SB055-D002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453007 ABF-SB056-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453008 ABF-SB057-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES ASTM D2974-87 1 PASI-CKDF 92384453009 ABF-EB001-F002 EPA 8082 8 PASI-CNU1 EPA 8270 21 PASI-CRES 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 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SD003-F002 Lab ID:92384453001 Collected:05/09/18 10:35 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/21/18 12:54 83-32-905/21/18 06:1342597.8 1 Acenaphthylene ND ug/kg 05/21/18 12:54 208-96-805/21/18 06:134251001 Anthracene ND ug/kg 05/21/18 12:54 120-12-705/21/18 06:1342595.2 1 Benzo(a)anthracene 139J ug/kg 05/21/18 12:54 56-55-305/21/18 06:1342578.5 1 Benzo(a)pyrene 112J ug/kg 05/21/18 12:54 50-32-805/21/18 06:1342581.1 1 Benzo(b)fluoranthene 148J ug/kg 05/21/18 12:54 205-99-205/21/18 06:1342573.3 1 Benzo(g,h,i)perylene ND ug/kg 05/21/18 12:54 191-24-205/21/18 06:134251081 Benzo(k)fluoranthene ND ug/kg 05/21/18 12:54 207-08-905/21/18 06:1342583.6 1 Chrysene 108J ug/kg 05/21/18 12:54 218-01-905/21/18 06:1342556.6 1 Dibenz(a,h)anthracene ND ug/kg 05/21/18 12:54 53-70-305/21/18 06:1342590.1 1 Fluoranthene 118J ug/kg 05/21/18 12:54 206-44-005/21/18 06:1342561.8 1 Fluorene ND ug/kg 05/21/18 12:54 86-73-705/21/18 06:1342587.5 1 Indeno(1,2,3-cd)pyrene ND ug/kg 05/21/18 12:54 193-39-505/21/18 06:1342587.5 1 1-Methylnaphthalene ND ug/kg 05/21/18 12:54 90-12-005/21/18 06:134251111 2-Methylnaphthalene ND ug/kg 05/21/18 12:54 91-57-605/21/18 06:1342591.4 1 Naphthalene ND ug/kg 05/21/18 12:54 91-20-305/21/18 06:134251041 Phenanthrene ND ug/kg 05/21/18 12:54 85-01-805/21/18 06:1342570.8 1 Pyrene 123J ug/kg 05/21/18 12:54 129-00-005/21/18 06:1342572.1 1 Surrogates Nitrobenzene-d5 (S)47 %05/21/18 12:54 4165-60-005/21/18 06:1323-110 1 2-Fluorobiphenyl (S)41 %05/21/18 12:54 321-60-805/21/18 06:1330-110 1 Terphenyl-d14 (S)51 %05/21/18 12:54 1718-51-005/21/18 06:1328-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 22.5 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 5 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB052-F002 Lab ID:92384453002 Collected:05/09/18 11:55 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/14/18 21:07 12674-11-205/12/18 10:102391095 PCB-1221 (Aroclor 1221)ND ug/kg 05/14/18 21:07 11104-28-205/12/18 10:102391095 PCB-1232 (Aroclor 1232)ND ug/kg 05/14/18 21:07 11141-16-505/12/18 10:102391095 PCB-1242 (Aroclor 1242)ND ug/kg 05/14/18 21:07 53469-21-905/12/18 10:102391095 PCB-1248 (Aroclor 1248)ND ug/kg 05/14/18 21:07 12672-29-605/12/18 10:102391095 PCB-1254 (Aroclor 1254)ND ug/kg 05/14/18 21:07 11097-69-105/12/18 10:102391095 PCB-1260 (Aroclor 1260)ND ug/kg 05/14/18 21:07 11096-82-505/12/18 10:102391095 Surrogates Decachlorobiphenyl (S)87 %05/14/18 21:07 2051-24-3 D305/12/18 10:1021-132 5 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/18/18 21:12 83-32-905/15/18 16:304801111 Acenaphthylene ND ug/kg 05/18/18 21:12 208-96-805/15/18 16:304801141 Anthracene ND ug/kg 05/18/18 21:12 120-12-705/15/18 16:304801081 Benzo(a)anthracene 384J ug/kg 05/18/18 21:12 56-55-305/15/18 16:3048088.8 1 Benzo(a)pyrene 360J ug/kg 05/18/18 21:12 50-32-805/15/18 16:3048091.7 1 Benzo(b)fluoranthene 665 ug/kg 05/18/18 21:12 205-99-205/15/18 16:3048083.0 1 Benzo(g,h,i)perylene 346J ug/kg 05/18/18 21:12 191-24-205/15/18 16:304801221 Benzo(k)fluoranthene 259J ug/kg 05/18/18 21:12 207-08-905/15/18 16:3048094.6 1 Chrysene 436J ug/kg 05/18/18 21:12 218-01-905/15/18 16:3048064.0 1 Dibenz(a,h)anthracene 119J ug/kg 05/18/18 21:12 53-70-305/15/18 16:304801021 Fluoranthene 499 ug/kg 05/18/18 21:12 206-44-005/15/18 16:3048069.9 1 Fluorene ND ug/kg 05/18/18 21:12 86-73-705/15/18 16:3048099.0 1 Indeno(1,2,3-cd)pyrene 273J ug/kg 05/18/18 21:12 193-39-505/15/18 16:3048099.0 1 1-Methylnaphthalene ND ug/kg 05/18/18 21:12 90-12-005/15/18 16:304801251 2-Methylnaphthalene ND ug/kg 05/18/18 21:12 91-57-605/15/18 16:304801031 Naphthalene ND ug/kg 05/18/18 21:12 91-20-305/15/18 16:304801181 Phenanthrene 135J ug/kg 05/18/18 21:12 85-01-805/15/18 16:3048080.0 1 Pyrene 401J ug/kg 05/18/18 21:12 129-00-005/15/18 16:3048081.5 1 Surrogates Nitrobenzene-d5 (S)66 %05/18/18 21:12 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)59 %05/18/18 21:12 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)59 %05/18/18 21:12 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 31.3 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 6 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB053-F002 Lab ID:92384453003 Collected:05/09/18 12:10 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/14/18 21:28 12674-11-205/12/18 10:1091.0 41.4 2 PCB-1221 (Aroclor 1221)ND ug/kg 05/14/18 21:28 11104-28-205/12/18 10:1091.0 41.4 2 PCB-1232 (Aroclor 1232)ND ug/kg 05/14/18 21:28 11141-16-505/12/18 10:1091.0 41.4 2 PCB-1242 (Aroclor 1242)ND ug/kg 05/14/18 21:28 53469-21-905/12/18 10:1091.0 41.4 2 PCB-1248 (Aroclor 1248)ND ug/kg 05/14/18 21:28 12672-29-605/12/18 10:1091.0 41.4 2 PCB-1254 (Aroclor 1254)ND ug/kg 05/14/18 21:28 11097-69-105/12/18 10:1091.0 41.4 2 PCB-1260 (Aroclor 1260)458 ug/kg 05/14/18 21:28 11096-82-5 D605/12/18 10:1091.0 41.4 2 Surrogates Decachlorobiphenyl (S)66 %05/14/18 21:28 2051-24-3 D305/12/18 10:1021-132 2 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/18/18 22:10 83-32-905/15/18 16:304511041 Acenaphthylene ND ug/kg 05/18/18 22:10 208-96-805/15/18 16:304511061 Anthracene ND ug/kg 05/18/18 22:10 120-12-705/15/18 16:304511011 Benzo(a)anthracene 472 ug/kg 05/18/18 22:10 56-55-305/15/18 16:3045183.3 1 Benzo(a)pyrene 420J ug/kg 05/18/18 22:10 50-32-805/15/18 16:3045186.0 1 Benzo(b)fluoranthene 837 ug/kg 05/18/18 22:10 205-99-205/15/18 16:3045177.8 1 Benzo(g,h,i)perylene 428J ug/kg 05/18/18 22:10 191-24-205/15/18 16:304511151 Benzo(k)fluoranthene 289J ug/kg 05/18/18 22:10 207-08-905/15/18 16:3045188.7 1 Chrysene 473 ug/kg 05/18/18 22:10 218-01-905/15/18 16:3045160.1 1 Dibenz(a,h)anthracene 128J ug/kg 05/18/18 22:10 53-70-305/15/18 16:3045195.6 1 Fluoranthene 624 ug/kg 05/18/18 22:10 206-44-005/15/18 16:3045165.5 1 Fluorene ND ug/kg 05/18/18 22:10 86-73-705/15/18 16:3045192.8 1 Indeno(1,2,3-cd)pyrene 334J ug/kg 05/18/18 22:10 193-39-505/15/18 16:3045192.8 1 1-Methylnaphthalene ND ug/kg 05/18/18 22:10 90-12-005/15/18 16:304511171 2-Methylnaphthalene ND ug/kg 05/18/18 22:10 91-57-605/15/18 16:3045196.9 1 Naphthalene ND ug/kg 05/18/18 22:10 91-20-305/15/18 16:304511111 Phenanthrene 210J ug/kg 05/18/18 22:10 85-01-805/15/18 16:3045175.1 1 Pyrene 507 ug/kg 05/18/18 22:10 129-00-005/15/18 16:3045176.5 1 Surrogates Nitrobenzene-d5 (S)65 %05/18/18 22:10 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)64 %05/18/18 22:10 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)71 %05/18/18 22:10 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 27.0 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 7 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB054-F002 Lab ID:92384453004 Collected:05/09/18 12:30 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/14/18 22:10 12674-11-205/12/18 10:1021999.6 5 PCB-1221 (Aroclor 1221)ND ug/kg 05/14/18 22:10 11104-28-205/12/18 10:1021999.6 5 PCB-1232 (Aroclor 1232)ND ug/kg 05/14/18 22:10 11141-16-505/12/18 10:1021999.6 5 PCB-1242 (Aroclor 1242)ND ug/kg 05/14/18 22:10 53469-21-905/12/18 10:1021999.6 5 PCB-1248 (Aroclor 1248)ND ug/kg 05/14/18 22:10 12672-29-605/12/18 10:1021999.6 5 PCB-1254 (Aroclor 1254)ND ug/kg 05/14/18 22:10 11097-69-105/12/18 10:1021999.6 5 PCB-1260 (Aroclor 1260)ND ug/kg 05/14/18 22:10 11096-82-505/12/18 10:1021999.6 5 Surrogates Decachlorobiphenyl (S)59 %05/14/18 22:10 2051-24-3 D305/12/18 10:1021-132 5 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/21/18 09:02 83-32-905/15/18 16:304371011 Acenaphthylene ND ug/kg 05/21/18 09:02 208-96-805/15/18 16:304371031 Anthracene ND ug/kg 05/21/18 09:02 120-12-705/15/18 16:3043797.9 1 Benzo(a)anthracene 743 ug/kg 05/21/18 09:02 56-55-305/15/18 16:3043780.7 1 Benzo(a)pyrene 775 ug/kg 05/21/18 09:02 50-32-805/15/18 16:3043783.4 1 Benzo(b)fluoranthene 1490 ug/kg 05/21/18 09:02 205-99-205/15/18 16:3043775.4 1 Benzo(g,h,i)perylene 807 ug/kg 05/21/18 09:02 191-24-205/15/18 16:304371111 Benzo(k)fluoranthene 491 ug/kg 05/21/18 09:02 207-08-905/15/18 16:3043786.0 1 Chrysene 971 ug/kg 05/21/18 09:02 218-01-905/15/18 16:3043758.2 1 Dibenz(a,h)anthracene 207J ug/kg 05/21/18 09:02 53-70-305/15/18 16:3043792.6 1 Fluoranthene 1170 ug/kg 05/21/18 09:02 206-44-005/15/18 16:3043763.5 1 Fluorene ND ug/kg 05/21/18 09:02 86-73-705/15/18 16:3043790.0 1 Indeno(1,2,3-cd)pyrene 647 ug/kg 05/21/18 09:02 193-39-505/15/18 16:3043790.0 1 1-Methylnaphthalene ND ug/kg 05/21/18 09:02 90-12-005/15/18 16:304371141 2-Methylnaphthalene ND ug/kg 05/21/18 09:02 91-57-605/15/18 16:3043793.9 1 Naphthalene ND ug/kg 05/21/18 09:02 91-20-305/15/18 16:304371071 Phenanthrene 313J ug/kg 05/21/18 09:02 85-01-805/15/18 16:3043772.8 1 Pyrene 1060 ug/kg 05/21/18 09:02 129-00-005/15/18 16:3043774.1 1 Surrogates Nitrobenzene-d5 (S)58 %05/21/18 09:02 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)65 %05/21/18 09:02 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)72 %05/21/18 09:02 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 24.7 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 8 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB055-F002 Lab ID:92384453005 Collected:05/09/18 13:50 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/14/18 22:31 12674-11-205/12/18 10:102341065 PCB-1221 (Aroclor 1221)ND ug/kg 05/14/18 22:31 11104-28-205/12/18 10:102341065 PCB-1232 (Aroclor 1232)ND ug/kg 05/14/18 22:31 11141-16-505/12/18 10:102341065 PCB-1242 (Aroclor 1242)ND ug/kg 05/14/18 22:31 53469-21-905/12/18 10:102341065 PCB-1248 (Aroclor 1248)ND ug/kg 05/14/18 22:31 12672-29-605/12/18 10:102341065 PCB-1254 (Aroclor 1254)ND ug/kg 05/14/18 22:31 11097-69-105/12/18 10:102341065 PCB-1260 (Aroclor 1260)ND ug/kg 05/14/18 22:31 11096-82-505/12/18 10:102341065 Surrogates Decachlorobiphenyl (S)58 %05/14/18 22:31 2051-24-3 D305/12/18 10:1021-132 5 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/19/18 10:12 83-32-905/15/18 16:304621061 Acenaphthylene ND ug/kg 05/19/18 10:12 208-96-805/15/18 16:304621091 Anthracene ND ug/kg 05/19/18 10:12 120-12-705/15/18 16:304621031 Benzo(a)anthracene 209J ug/kg 05/19/18 10:12 56-55-305/15/18 16:3046285.3 1 Benzo(a)pyrene 165J ug/kg 05/19/18 10:12 50-32-805/15/18 16:3046288.1 1 Benzo(b)fluoranthene 222J ug/kg 05/19/18 10:12 205-99-205/15/18 16:3046279.7 1 Benzo(g,h,i)perylene 129J ug/kg 05/19/18 10:12 191-24-205/15/18 16:304621171 Benzo(k)fluoranthene 109J ug/kg 05/19/18 10:12 207-08-905/15/18 16:3046290.9 1 Chrysene 189J ug/kg 05/19/18 10:12 218-01-905/15/18 16:3046261.5 1 Dibenz(a,h)anthracene ND ug/kg 05/19/18 10:12 53-70-305/15/18 16:3046297.9 1 Fluoranthene 203J ug/kg 05/19/18 10:12 206-44-005/15/18 16:3046267.1 1 Fluorene ND ug/kg 05/19/18 10:12 86-73-705/15/18 16:3046295.1 1 Indeno(1,2,3-cd)pyrene 116J ug/kg 05/19/18 10:12 193-39-505/15/18 16:3046295.1 1 1-Methylnaphthalene ND ug/kg 05/19/18 10:12 90-12-005/15/18 16:304621201 2-Methylnaphthalene ND ug/kg 05/19/18 10:12 91-57-605/15/18 16:3046299.3 1 Naphthalene ND ug/kg 05/19/18 10:12 91-20-305/15/18 16:304621131 Phenanthrene ND ug/kg 05/19/18 10:12 85-01-805/15/18 16:3046276.9 1 Pyrene 199J ug/kg 05/19/18 10:12 129-00-005/15/18 16:3046278.3 1 Surrogates Nitrobenzene-d5 (S)58 %05/19/18 10:12 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)49 %05/19/18 10:12 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)55 %05/19/18 10:12 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 29.2 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 9 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB055-D002 Lab ID:92384453006 Collected:05/09/18 13:55 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/14/18 22:52 12674-11-205/12/18 10:102321065 PCB-1221 (Aroclor 1221)ND ug/kg 05/14/18 22:52 11104-28-205/12/18 10:102321065 PCB-1232 (Aroclor 1232)ND ug/kg 05/14/18 22:52 11141-16-505/12/18 10:102321065 PCB-1242 (Aroclor 1242)ND ug/kg 05/14/18 22:52 53469-21-905/12/18 10:102321065 PCB-1248 (Aroclor 1248)ND ug/kg 05/14/18 22:52 12672-29-605/12/18 10:102321065 PCB-1254 (Aroclor 1254)ND ug/kg 05/14/18 22:52 11097-69-105/12/18 10:102321065 PCB-1260 (Aroclor 1260)ND ug/kg 05/14/18 22:52 11096-82-505/12/18 10:102321065 Surrogates Decachlorobiphenyl (S)57 %05/14/18 22:52 2051-24-3 D305/12/18 10:1021-132 5 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/19/18 12:09 83-32-905/15/18 16:304631071 Acenaphthylene ND ug/kg 05/19/18 12:09 208-96-805/15/18 16:304631091 Anthracene ND ug/kg 05/19/18 12:09 120-12-705/15/18 16:304631041 Benzo(a)anthracene 172J ug/kg 05/19/18 12:09 56-55-305/15/18 16:3046385.6 1 Benzo(a)pyrene 161J ug/kg 05/19/18 12:09 50-32-805/15/18 16:3046388.4 1 Benzo(b)fluoranthene 244J ug/kg 05/19/18 12:09 205-99-205/15/18 16:3046380.0 1 Benzo(g,h,i)perylene 137J ug/kg 05/19/18 12:09 191-24-205/15/18 16:304631181 Benzo(k)fluoranthene 105J ug/kg 05/19/18 12:09 207-08-905/15/18 16:3046391.2 1 Chrysene 174J ug/kg 05/19/18 12:09 218-01-905/15/18 16:3046361.7 1 Dibenz(a,h)anthracene ND ug/kg 05/19/18 12:09 53-70-305/15/18 16:3046398.2 1 Fluoranthene 212J ug/kg 05/19/18 12:09 206-44-005/15/18 16:3046367.4 1 Fluorene ND ug/kg 05/19/18 12:09 86-73-705/15/18 16:3046395.4 1 Indeno(1,2,3-cd)pyrene 121J ug/kg 05/19/18 12:09 193-39-505/15/18 16:3046395.4 1 1-Methylnaphthalene ND ug/kg 05/19/18 12:09 90-12-005/15/18 16:304631211 2-Methylnaphthalene ND ug/kg 05/19/18 12:09 91-57-605/15/18 16:3046399.6 1 Naphthalene ND ug/kg 05/19/18 12:09 91-20-305/15/18 16:304631141 Phenanthrene ND ug/kg 05/19/18 12:09 85-01-805/15/18 16:3046377.2 1 Pyrene 198J ug/kg 05/19/18 12:09 129-00-005/15/18 16:3046378.6 1 Surrogates Nitrobenzene-d5 (S)58 %05/19/18 12:09 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)49 %05/19/18 12:09 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)60 %05/19/18 12:09 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 28.0 %05/14/18 09:530.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 10 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB056-F002 Lab ID:92384453007 Collected:05/09/18 13:30 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/15/18 02:41 12674-11-205/12/18 10:1091541620 PCB-1221 (Aroclor 1221)ND ug/kg 05/15/18 02:41 11104-28-205/12/18 10:1091541620 PCB-1232 (Aroclor 1232)ND ug/kg 05/15/18 02:41 11141-16-505/12/18 10:1091541620 PCB-1242 (Aroclor 1242)ND ug/kg 05/15/18 02:41 53469-21-905/12/18 10:1091541620 PCB-1248 (Aroclor 1248)ND ug/kg 05/15/18 02:41 12672-29-605/12/18 10:1091541620 PCB-1254 (Aroclor 1254)ND ug/kg 05/15/18 02:41 11097-69-105/12/18 10:1091541620 PCB-1260 (Aroclor 1260)ND ug/kg 05/15/18 02:41 11096-82-505/12/18 10:1091541620 Surrogates Decachlorobiphenyl (S)0 %05/15/18 02:41 2051-24-3 D3,S405/12/18 10:1021-132 20 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/19/18 12:38 83-32-905/15/18 16:304641071 Acenaphthylene ND ug/kg 05/19/18 12:38 208-96-805/15/18 16:304641101 Anthracene ND ug/kg 05/19/18 12:38 120-12-705/15/18 16:304641041 Benzo(a)anthracene 486 ug/kg 05/19/18 12:38 56-55-305/15/18 16:3046485.7 1 Benzo(a)pyrene 539 ug/kg 05/19/18 12:38 50-32-805/15/18 16:3046488.5 1 Benzo(b)fluoranthene 791 ug/kg 05/19/18 12:38 205-99-205/15/18 16:3046480.1 1 Benzo(g,h,i)perylene 474 ug/kg 05/19/18 12:38 191-24-205/15/18 16:304641181 Benzo(k)fluoranthene 292J ug/kg 05/19/18 12:38 207-08-905/15/18 16:3046491.4 1 Chrysene 584 ug/kg 05/19/18 12:38 218-01-905/15/18 16:3046461.8 1 Dibenz(a,h)anthracene 170J ug/kg 05/19/18 12:38 53-70-305/15/18 16:3046498.4 1 Fluoranthene 960 ug/kg 05/19/18 12:38 206-44-005/15/18 16:3046467.5 1 Fluorene ND ug/kg 05/19/18 12:38 86-73-705/15/18 16:3046495.6 1 Indeno(1,2,3-cd)pyrene 406J ug/kg 05/19/18 12:38 193-39-505/15/18 16:3046495.6 1 1-Methylnaphthalene ND ug/kg 05/19/18 12:38 90-12-005/15/18 16:304641211 2-Methylnaphthalene ND ug/kg 05/19/18 12:38 91-57-605/15/18 16:3046499.8 1 Naphthalene ND ug/kg 05/19/18 12:38 91-20-305/15/18 16:304641141 Phenanthrene 363J ug/kg 05/19/18 12:38 85-01-805/15/18 16:3046477.3 1 Pyrene 867 ug/kg 05/19/18 12:38 129-00-005/15/18 16:3046478.7 1 Surrogates Nitrobenzene-d5 (S)70 %05/19/18 12:38 4165-60-005/15/18 16:3023-110 1 2-Fluorobiphenyl (S)62 %05/19/18 12:38 321-60-805/15/18 16:3030-110 1 Terphenyl-d14 (S)71 %05/19/18 12:38 1718-51-005/15/18 16:3028-110 1 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 28.8 %05/15/18 11:540.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 11 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-SB057-F002 Lab ID:92384453008 Collected:05/09/18 13:05 Received:05/10/18 15:22 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35468082 GCS PCB PCB-1016 (Aroclor 1016)ND ug/kg 05/15/18 03:02 12674-11-205/12/18 10:1021999.7 5 PCB-1221 (Aroclor 1221)ND ug/kg 05/15/18 03:02 11104-28-205/12/18 10:1021999.7 5 PCB-1232 (Aroclor 1232)ND ug/kg 05/15/18 03:02 11141-16-505/12/18 10:1021999.7 5 PCB-1242 (Aroclor 1242)ND ug/kg 05/15/18 03:02 53469-21-905/12/18 10:1021999.7 5 PCB-1248 (Aroclor 1248)ND ug/kg 05/15/18 03:02 12672-29-605/12/18 10:1021999.7 5 PCB-1254 (Aroclor 1254)ND ug/kg 05/15/18 03:02 11097-69-105/12/18 10:1021999.7 5 PCB-1260 (Aroclor 1260)ND ug/kg 05/15/18 03:02 11096-82-505/12/18 10:1021999.7 5 Surrogates Decachlorobiphenyl (S)70 %05/15/18 03:02 2051-24-3 D305/12/18 10:1021-132 5 Analytical Method: EPA 8270 Preparation Method: EPA 35468270 MSSV PAH Microwave Acenaphthene ND ug/kg 05/19/18 13:08 83-32-905/15/18 16:3021604995 Acenaphthylene ND ug/kg 05/19/18 13:08 208-96-805/15/18 16:3021605125 Anthracene ND ug/kg 05/19/18 13:08 120-12-705/15/18 16:3021604855 Benzo(a)anthracene 1150J ug/kg 05/19/18 13:08 56-55-305/15/18 16:3021604005 Benzo(a)pyrene 1160J ug/kg 05/19/18 13:08 50-32-805/15/18 16:3021604135 Benzo(b)fluoranthene 1740J ug/kg 05/19/18 13:08 205-99-205/15/18 16:3021603745 Benzo(g,h,i)perylene 945J ug/kg 05/19/18 13:08 191-24-205/15/18 16:3021605515 Benzo(k)fluoranthene 676J ug/kg 05/19/18 13:08 207-08-905/15/18 16:3021604265 Chrysene 1090J ug/kg 05/19/18 13:08 218-01-905/15/18 16:3021602895 Dibenz(a,h)anthracene ND ug/kg 05/19/18 13:08 53-70-305/15/18 16:3021604595 Fluoranthene 1870J ug/kg 05/19/18 13:08 206-44-005/15/18 16:3021603155 Fluorene ND ug/kg 05/19/18 13:08 86-73-705/15/18 16:3021604465 Indeno(1,2,3-cd)pyrene 850J ug/kg 05/19/18 13:08 193-39-505/15/18 16:3021604465 1-Methylnaphthalene ND ug/kg 05/19/18 13:08 90-12-005/15/18 16:3021605645 2-Methylnaphthalene ND ug/kg 05/19/18 13:08 91-57-605/15/18 16:3021604665 Naphthalene ND ug/kg 05/19/18 13:08 91-20-305/15/18 16:3021605315 Phenanthrene 817J ug/kg 05/19/18 13:08 85-01-805/15/18 16:3021603615 Pyrene 1880J ug/kg 05/19/18 13:08 129-00-005/15/18 16:3021603675 Surrogates Nitrobenzene-d5 (S)0 %05/19/18 13:08 4165-60-0 D3,S505/15/18 16:3023-110 5 2-Fluorobiphenyl (S)0 %05/19/18 13:08 321-60-8 S505/15/18 16:3030-110 5 Terphenyl-d14 (S)21 %05/19/18 13:08 1718-51-0 S505/15/18 16:3028-110 5 Analytical Method: ASTM D2974-87Percent Moisture Percent Moisture 23.5 %05/15/18 11:540.10 0.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 12 of 125 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92384453 Alcoa Badin Sample:ABF-EB001-F002 Lab ID:92384453009 Collected:05/09/18 14:30 Received:05/10/18 15:22 Matrix:Water Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit Report Analytical Method: EPA 8082 Preparation Method: EPA 35108082 GCS PCB RVE PCB-1016 (Aroclor 1016)ND ug/L 05/16/18 19:30 12674-11-205/16/18 00:450.50 0.50 1 PCB-1221 (Aroclor 1221)ND ug/L 05/16/18 19:30 11104-28-205/16/18 00:450.50 0.50 1 PCB-1232 (Aroclor 1232)ND ug/L 05/16/18 19:30 11141-16-505/16/18 00:450.50 0.50 1 PCB-1242 (Aroclor 1242)ND ug/L 05/16/18 19:30 53469-21-905/16/18 00:450.50 0.50 1 PCB-1248 (Aroclor 1248)ND ug/L 05/16/18 19:30 12672-29-605/16/18 00:450.50 0.50 1 PCB-1254 (Aroclor 1254)ND ug/L 05/16/18 19:30 11097-69-105/16/18 00:450.50 0.50 1 PCB-1260 (Aroclor 1260)ND ug/L 05/16/18 19:30 11096-82-505/16/18 00:450.50 0.50 1 Surrogates Decachlorobiphenyl (S)44 %05/16/18 19:30 2051-24-305/16/18 00:4510-132 1 Analytical Method: EPA 8270 Preparation Method: EPA 35108270 MSSV Semivol Organic RVE Acenaphthene ND ug/L 05/16/18 17:38 83-32-905/15/18 00:4210.0 3.4 1 Acenaphthylene ND ug/L 05/16/18 17:38 208-96-805/15/18 00:4210.0 3.0 1 Anthracene ND ug/L 05/16/18 17:38 120-12-705/15/18 00:4210.0 2.0 1 Benzo(a)anthracene ND ug/L 05/16/18 17:38 56-55-305/15/18 00:4210.0 1.3 1 Benzo(a)pyrene ND ug/L 05/16/18 17:38 50-32-805/15/18 00:4210.0 1.3 1 Benzo(b)fluoranthene ND ug/L 05/16/18 17:38 205-99-205/15/18 00:4210.0 1.5 1 Benzo(g,h,i)perylene ND ug/L 05/16/18 17:38 191-24-205/15/18 00:4210.0 1.8 1 Benzo(k)fluoranthene ND ug/L 05/16/18 17:38 207-08-905/15/18 00:4210.0 1.8 1 Chrysene ND ug/L 05/16/18 17:38 218-01-905/15/18 00:4210.0 1.3 1 Dibenz(a,h)anthracene ND ug/L 05/16/18 17:38 53-70-305/15/18 00:4210.0 1.9 1 Fluoranthene ND ug/L 05/16/18 17:38 206-44-005/15/18 00:4210.0 1.7 1 Fluorene ND ug/L 05/16/18 17:38 86-73-705/15/18 00:4210.0 3.0 1 Indeno(1,2,3-cd)pyrene ND ug/L 05/16/18 17:38 193-39-505/15/18 00:4210.0 1.7 1 1-Methylnaphthalene ND ug/L 05/16/18 17:38 90-12-005/15/18 00:4210.0 2.8 1 2-Methylnaphthalene ND ug/L 05/16/18 17:38 91-57-605/15/18 00:4210.0 2.8 1 Naphthalene ND ug/L 05/16/18 17:38 91-20-305/15/18 00:4210.0 3.2 1 Phenanthrene ND ug/L 05/16/18 17:38 85-01-805/15/18 00:4210.0 2.4 1 Pyrene ND ug/L 05/16/18 17:38 129-00-005/15/18 00:4210.0 1.2 1 Surrogates Nitrobenzene-d5 (S)56 %05/16/18 17:38 4165-60-005/15/18 00:4240-121 1 2-Fluorobiphenyl (S)48 %05/16/18 17:38 321-60-805/15/18 00:4245-139 1 Terphenyl-d14 (S)52 %05/16/18 17:38 1718-51-005/15/18 00:4248-146 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 13 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410871 EPA 3510 EPA 8082 8082 GCS PCB Associated Lab Samples:92384453009 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:2279360 Associated Lab Samples:92384453009 Matrix:Water AnalyzedMDL PCB-1016 (Aroclor 1016)ug/L ND 0.50 05/16/18 14:470.50 PCB-1221 (Aroclor 1221)ug/L ND 0.50 05/16/18 14:470.50 PCB-1232 (Aroclor 1232)ug/L ND 0.50 05/16/18 14:470.50 PCB-1242 (Aroclor 1242)ug/L ND 0.50 05/16/18 14:470.50 PCB-1248 (Aroclor 1248)ug/L ND 0.50 05/16/18 14:470.50 PCB-1254 (Aroclor 1254)ug/L ND 0.50 05/16/18 14:470.50 PCB-1260 (Aroclor 1260)ug/L ND 0.50 05/16/18 14:470.50 Decachlorobiphenyl (S)%54 10-132 05/16/18 14:47 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 2279361LABORATORY CONTROL SAMPLE & LCSD: LCSSpike LCSD % Rec RPD Max RPD LCSD Result 2279362 PCB-1016 (Aroclor 1016)ug/L 2.85 56 50-150613.0 7 30 PCB-1260 (Aroclor 1260)ug/L 2.85 56 50-150593.0 6 30 Decachlorobiphenyl (S)%59 10-13243 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 14 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410463 EPA 3546 EPA 8082 8082 GCS PCB Associated Lab Samples:92384453002, 92384453003, 92384453004, 92384453005, 92384453006, 92384453007, 92384453008 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:2277334 Associated Lab Samples:92384453002, 92384453003, 92384453004, 92384453005, 92384453006, 92384453007, 92384453008 Matrix:Solid AnalyzedMDL PCB-1016 (Aroclor 1016)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1221 (Aroclor 1221)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1232 (Aroclor 1232)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1242 (Aroclor 1242)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1248 (Aroclor 1248)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1254 (Aroclor 1254)ug/kg ND 33.3 05/14/18 23:3315.2 PCB-1260 (Aroclor 1260)ug/kg ND 33.3 05/14/18 23:3315.2 Decachlorobiphenyl (S)%80 21-132 05/14/18 23:33 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 2277335LABORATORY CONTROL SAMPLE: LCSSpike PCB-1016 (Aroclor 1016)ug/kg 98.5169 58 31-120 PCB-1260 (Aroclor 1260)ug/kg 116169 68 32-120 Decachlorobiphenyl (S)%101 21-132 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384453003 2277337SAMPLE DUPLICATE: PCB-1016 (Aroclor 1016)ug/kg ND 30ND PCB-1221 (Aroclor 1221)ug/kg ND 30ND PCB-1232 (Aroclor 1232)ug/kg ND 30ND PCB-1242 (Aroclor 1242)ug/kg ND 30ND PCB-1248 (Aroclor 1248)ug/kg ND 30ND PCB-1254 (Aroclor 1254)ug/kg ND 30ND PCB-1260 (Aroclor 1260)ug/kg 104 D612630458 Decachlorobiphenyl (S)%75 D31366 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 15 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410815 EPA 3546 EPA 8270 8270 Solid MSSV Microwave PAH Associated Lab Samples:92384453002, 92384453003, 92384453004, 92384453005, 92384453006, 92384453007, 92384453008 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:2279168 Associated Lab Samples:92384453002, 92384453003, 92384453004, 92384453005, 92384453006, 92384453007, 92384453008 Matrix:Solid AnalyzedMDL 1-Methylnaphthalene ug/kg ND 326 05/18/18 19:1484.9 2-Methylnaphthalene ug/kg ND 326 05/18/18 19:1470.1 Acenaphthene ug/kg ND 326 05/18/18 19:1475.0 Acenaphthylene ug/kg ND 326 05/18/18 19:1477.0 Anthracene ug/kg ND 326 05/18/18 19:1473.0 Benzo(a)anthracene ug/kg 72.6J 326 05/18/18 19:1460.2 Benzo(a)pyrene ug/kg ND 326 05/18/18 19:1462.2 Benzo(b)fluoranthene ug/kg 75.9J 326 05/18/18 19:1456.2 Benzo(g,h,i)perylene ug/kg ND 326 05/18/18 19:1482.9 Benzo(k)fluoranthene ug/kg ND 326 05/18/18 19:1464.1 Chrysene ug/kg 56.3J 326 05/18/18 19:1443.4 Dibenz(a,h)anthracene ug/kg ND 326 05/18/18 19:1469.1 Fluoranthene ug/kg ND 326 05/18/18 19:1447.4 Fluorene ug/kg ND 326 05/18/18 19:1467.1 Indeno(1,2,3-cd)pyrene ug/kg ND 326 05/18/18 19:1467.1 Naphthalene ug/kg ND 326 05/18/18 19:1479.9 Phenanthrene ug/kg ND 326 05/18/18 19:1454.3 Pyrene ug/kg ND 326 05/18/18 19:1455.3 2-Fluorobiphenyl (S)%73 30-110 05/18/18 19:14 Nitrobenzene-d5 (S)%72 23-110 05/18/18 19:14 Terphenyl-d14 (S)%80 28-110 05/18/18 19:14 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 2279169LABORATORY CONTROL SAMPLE: LCSSpike 1-Methylnaphthalene ug/kg 14101640 86 40-120 2-Methylnaphthalene ug/kg 14401640 88 26-120 Acenaphthene ug/kg 14701640 89 46-120 Acenaphthylene ug/kg 14801640 90 46-120 Anthracene ug/kg 14501640 89 63-120 Benzo(a)anthracene ug/kg 14301640 87 61-120 Benzo(a)pyrene ug/kg 13301640 81 59-120 Benzo(b)fluoranthene ug/kg 14001640 85 55-120 Benzo(g,h,i)perylene ug/kg 14401640 88 57-120 Benzo(k)fluoranthene ug/kg 12401640 76 56-120 Chrysene ug/kg 14301640 87 64-120 Dibenz(a,h)anthracene ug/kg 14101640 86 56-120 Fluoranthene ug/kg 14701640 89 61-120 Fluorene ug/kg 15201640 93 51-120 Indeno(1,2,3-cd)pyrene ug/kg 14101640 86 58-120 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 16 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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. 2279169LABORATORY CONTROL SAMPLE: LCSSpike Naphthalene ug/kg 13601640 83 38-120 Phenanthrene ug/kg 14401640 88 62-120 Pyrene ug/kg 14401640 88 63-120 2-Fluorobiphenyl (S)%84 30-110 Nitrobenzene-d5 (S)%79 23-110 Terphenyl-d14 (S)%82 28-110 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384453001 2279171SAMPLE DUPLICATE: 1-Methylnaphthalene ug/kg NDND 2-Methylnaphthalene ug/kg NDND Acenaphthene ug/kg NDND Acenaphthylene ug/kg NDND Anthracene ug/kg NDND Benzo(a)anthracene ug/kg 281J139J Benzo(a)pyrene ug/kg 262J112J Benzo(b)fluoranthene ug/kg 518148J Benzo(g,h,i)perylene ug/kg 272JND Benzo(k)fluoranthene ug/kg 191JND Chrysene ug/kg 359J108J Dibenz(a,h)anthracene ug/kg 92.3JND Fluoranthene ug/kg 334J118J Fluorene ug/kg NDND Indeno(1,2,3-cd)pyrene ug/kg 227JND Naphthalene ug/kg NDND Phenanthrene ug/kg 96.4JND Pyrene ug/kg 278J123J 2-Fluorobiphenyl (S)%56 Nitrobenzene-d5 (S)%58 Terphenyl-d14 (S)%59 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 17 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 411539 EPA 3546 EPA 8270 8270 Solid MSSV Microwave PAH Associated Lab Samples:92384453001 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:2283253 Associated Lab Samples:92384453001 Matrix:Solid AnalyzedMDL 1-Methylnaphthalene ug/kg ND 327 05/21/18 10:5685.1 2-Methylnaphthalene ug/kg ND 327 05/21/18 10:5670.3 Acenaphthene ug/kg ND 327 05/21/18 10:5675.2 Acenaphthylene ug/kg ND 327 05/21/18 10:5677.2 Anthracene ug/kg ND 327 05/21/18 10:5673.3 Benzo(a)anthracene ug/kg ND 327 05/21/18 10:5660.4 Benzo(a)pyrene ug/kg ND 327 05/21/18 10:5662.4 Benzo(b)fluoranthene ug/kg ND 327 05/21/18 10:5656.4 Benzo(g,h,i)perylene ug/kg ND 327 05/21/18 10:5683.2 Benzo(k)fluoranthene ug/kg ND 327 05/21/18 10:5664.4 Chrysene ug/kg ND 327 05/21/18 10:5643.6 Dibenz(a,h)anthracene ug/kg ND 327 05/21/18 10:5669.3 Fluoranthene ug/kg ND 327 05/21/18 10:5647.5 Fluorene ug/kg ND 327 05/21/18 10:5667.3 Indeno(1,2,3-cd)pyrene ug/kg ND 327 05/21/18 10:5667.3 Naphthalene ug/kg ND 327 05/21/18 10:5680.2 Phenanthrene ug/kg ND 327 05/21/18 10:5654.5 Pyrene ug/kg ND 327 05/21/18 10:5655.4 2-Fluorobiphenyl (S)%66 30-110 05/21/18 10:56 Nitrobenzene-d5 (S)%67 23-110 05/21/18 10:56 Terphenyl-d14 (S)%78 28-110 05/21/18 10:56 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 2283254LABORATORY CONTROL SAMPLE & LCSD: LCSSpike LCSD % Rec RPD Max RPD LCSD Result 2283255 1-Methylnaphthalene ug/kg 659825 80 40-12089733 11 30 2-Methylnaphthalene ug/kg 661825 80 26-12088723 9 30 Acenaphthene ug/kg 648825 78 46-12084690 6 30 Acenaphthylene ug/kg 667825 81 46-12082677 2 30 Anthracene ug/kg 692825 84 63-12085698 1 30 Benzo(a)anthracene ug/kg 610825 74 61-12086713 16 30 Benzo(a)pyrene ug/kg 642825 78 59-12082677 5 30 Benzo(b)fluoranthene ug/kg 597825 72 55-12083681 13 30 Benzo(g,h,i)perylene ug/kg 706825 86 57-12089734 4 30 Benzo(k)fluoranthene ug/kg 566825 69 56-12076625 10 30 Chrysene ug/kg 588825 71 64-12081670 13 30 Dibenz(a,h)anthracene ug/kg 775825 94 56-12090746 4 30 Fluoranthene ug/kg 689825 83 61-12089731 6 30 Fluorene ug/kg 680825 82 51-12087716 5 30 Indeno(1,2,3-cd)pyrene ug/kg 689825 84 58-12090742 7 30 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 18 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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. 2283254LABORATORY CONTROL SAMPLE & LCSD: LCSSpike LCSD % Rec RPD Max RPD LCSD Result 2283255 Naphthalene ug/kg 655825 79 38-12086707 8 30 Phenanthrene ug/kg 674825 82 62-12084692 3 30 Pyrene ug/kg 556825 67 63-12077632 13 30 2-Fluorobiphenyl (S)%74 30-11075 Nitrobenzene-d5 (S)%67 23-11071 Terphenyl-d14 (S)%69 28-11077 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 19 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410688 EPA 3510 EPA 8270 8270 Water MSSV Associated Lab Samples:92384453009 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:2278329 Associated Lab Samples:92384453009 Matrix:Water AnalyzedMDL 1-Methylnaphthalene ug/L ND 10.0 05/16/18 14:262.8 2-Methylnaphthalene ug/L ND 10.0 05/16/18 14:262.8 Acenaphthene ug/L ND 10.0 05/16/18 14:263.4 Acenaphthylene ug/L ND 10.0 05/16/18 14:263.0 Anthracene ug/L ND 10.0 05/16/18 14:262.0 Benzo(a)anthracene ug/L ND 10.0 05/16/18 14:261.3 Benzo(a)pyrene ug/L ND 10.0 05/16/18 14:261.3 Benzo(b)fluoranthene ug/L ND 10.0 05/16/18 14:261.5 Benzo(g,h,i)perylene ug/L ND 10.0 05/16/18 14:261.8 Benzo(k)fluoranthene ug/L ND 10.0 05/16/18 14:261.8 Chrysene ug/L ND 10.0 05/16/18 14:261.3 Dibenz(a,h)anthracene ug/L ND 10.0 05/16/18 14:261.9 Fluoranthene ug/L ND 10.0 05/16/18 14:261.7 Fluorene ug/L ND 10.0 05/16/18 14:263.0 Indeno(1,2,3-cd)pyrene ug/L ND 10.0 05/16/18 14:261.7 Naphthalene ug/L ND 10.0 05/16/18 14:263.2 Phenanthrene ug/L ND 10.0 05/16/18 14:262.4 Pyrene ug/L ND 10.0 05/16/18 14:261.2 2-Fluorobiphenyl (S)%53 45-139 05/16/18 14:26 Nitrobenzene-d5 (S)%66 40-121 05/16/18 14:26 Terphenyl-d14 (S)%76 48-146 05/16/18 14:26 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 2278330LABORATORY CONTROL SAMPLE: LCSSpike 1-Methylnaphthalene ug/L 19.150 38 34-113 2-Methylnaphthalene ug/L 19.050 38 33-120 Acenaphthene ug/L 24.150 48 48-114 Acenaphthylene ug/L 24.150 48 48-112 Anthracene ug/L 34.750 69 57-118 Benzo(a)anthracene ug/L 33.450 67 56-121 Benzo(a)pyrene ug/L 33.850 68 55-127 Benzo(b)fluoranthene ug/L 35.650 71 53-128 Benzo(g,h,i)perylene ug/L 35.250 70 54-125 Benzo(k)fluoranthene ug/L 36.250 72 51-123 Chrysene ug/L 33.250 66 58-127 Dibenz(a,h)anthracene ug/L 36.050 72 53-129 Fluoranthene ug/L 36.250 72 57-125 Fluorene ug/L 27.950 56 53-118 Indeno(1,2,3-cd)pyrene ug/L 35.750 71 55-128 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 20 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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. 2278330LABORATORY CONTROL SAMPLE: LCSSpike Naphthalene ug/L 20.150 40 32-120 Phenanthrene ug/L 34.050 68 57-117 Pyrene ug/L 34.850 70 55-122 2-Fluorobiphenyl (S)%52 45-139 Nitrobenzene-d5 (S)%60 40-121 Terphenyl-d14 (S)%70 48-146 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 21 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410437 ASTM D2974-87 ASTM D2974-87 Dry Weight/Percent Moisture Associated Lab Samples:92384453001, 92384453002, 92384453003, 92384453004, 92384453005, 92384453006 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384450001 2277234SAMPLE DUPLICATE: Percent Moisture %13.1 7 2512.1 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384292043 2277235SAMPLE DUPLICATE: Percent Moisture %4.9 2 254.9 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 22 of 125 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92384453 Alcoa Badin 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: 410592 ASTM D2974-87 ASTM D2974-87 Dry Weight/Percent Moisture Associated Lab Samples:92384453007, 92384453008 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384210001 2277762SAMPLE DUPLICATE: Percent Moisture %42.8 0 2542.6 Parameter Units Dup Result Max RPD QualifiersRPDResult 92384395002 2277763SAMPLE DUPLICATE: Percent Moisture %14.3 2 2514.0 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 23 of 125 #=QL# QUALIFIERS Pace Project No.: Project: 92384453 Alcoa Badin 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 EPAMethod 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. LABORATORIES Pace Analytical Services - CharlottePASI-C ANALYTE QUALIFIERS Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.D3 The precision between the sample and sample duplicate exceeded laboratory control limits.D6 Surrogate recovery not evaluated against control limits due to sample dilution.S4 Surrogate recovery outside control limits due to matrix interferences (not confirmed by re-analysis).S5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 24 of 125 #=CR# QUALITY CONTROL DATA CROSS REFERENCE TABLE Pace Project No.: Project: 92384453 Alcoa Badin Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch 92384453009 410871 411040ABF-EB001-F002 EPA 3510 EPA 8082 92384453002 410463 410594ABF-SB052-F002 EPA 3546 EPA 8082 92384453003 410463 410594ABF-SB053-F002 EPA 3546 EPA 8082 92384453004 410463 410594ABF-SB054-F002 EPA 3546 EPA 8082 92384453005 410463 410594ABF-SB055-F002 EPA 3546 EPA 8082 92384453006 410463 410594ABF-SB055-D002 EPA 3546 EPA 8082 92384453007 410463 410594ABF-SB056-F002 EPA 3546 EPA 8082 92384453008 410463 410594ABF-SB057-F002 EPA 3546 EPA 8082 92384453001 411539 411599ABF-SD003-F002 EPA 3546 EPA 8270 92384453002 410815 411430ABF-SB052-F002 EPA 3546 EPA 8270 92384453003 410815 411430ABF-SB053-F002 EPA 3546 EPA 8270 92384453004 410815 411430ABF-SB054-F002 EPA 3546 EPA 8270 92384453005 410815 411430ABF-SB055-F002 EPA 3546 EPA 8270 92384453006 410815 411430ABF-SB055-D002 EPA 3546 EPA 8270 92384453007 410815 411430ABF-SB056-F002 EPA 3546 EPA 8270 92384453008 410815 411430ABF-SB057-F002 EPA 3546 EPA 8270 92384453009 410688 410968ABF-EB001-F002 EPA 3510 EPA 8270 92384453001 410437ABF-SD003-F002 ASTM D2974-87 92384453002 410437ABF-SB052-F002 ASTM D2974-87 92384453003 410437ABF-SB053-F002 ASTM D2974-87 92384453004 410437ABF-SB054-F002 ASTM D2974-87 92384453005 410437ABF-SB055-F002 ASTM D2974-87 92384453006 410437ABF-SB055-D002 ASTM D2974-87 92384453007 410592ABF-SB056-F002 ASTM D2974-87 92384453008 410592ABF-SB057-F002 ASTM D2974-87 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 07/03/2018 04:37 PM Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Page 25 of 125 Page 26 of 125 Page 27 of 125 Page 28 of 125 Thisreportshouldnotbereproduced,exceptinfull, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Theresultsrelateonlytothesamplesincludedinthisreport. Report of Laboratory Analysis www.pacelabs.com Pace Analytical Services,Inc. 1700 Elm Street Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 Client - Charlotte PACE Charlotte 9800 Kincey Ave. Huntersville NC 28078 REPORT OF LABORATORY ANALYSIS FOR PCBs This report has been reviewed by: Invoicing & Reporting Options: Report Information: Report Prepared Date: May 31, 2018 Pace Project #: 10431169 Sample Receipt Date: 05/15/2018 Client Project #: 92384453 Alcoa-Badin Works ( Client Sub PO #: N/A The report provided has been invoiced as a Level 2 PCB Report. If an upgrade of this report package is requested, an additional charge may be applied. Please review the attached invoice for accuracy and forward anyquestions toNathan Boberg,your Pace Project Manager. State Cert #: 27700 Report Prepared for: Page 1 of 97Report No.....10431169_1668_209_DFR May 31, 2018 Nathan Boberg, Project Manager (612) 607-6444 (fax) nathan.boberg@pacelabs.com Page 29 of 125 Pace Analytical Services,Inc. 1700 Elm Street Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. This report presents the results from the analyses performed on eight samples submitted by a representative of Pace Analytical - NC. The samples were analyzed for the presence or absence of polychlorinated biphenyl (PCB) congeners using USEPA Method 1668A. Reporting limits were set to 25-75 parts-per-trillion for solids and 0.25-0.75 parts-per-trillion for water. These results were adjusted for the amount of sample extracted. It should be noted that the Pace sample IDs written on the chain of custody form were off by one. The Pace sample IDs for this project were 10431169002-9 instead of 10431169001-8. The dilution level noted on the data tables is being adjusted to allow the correct data flags to populate the electronic deliverables as well as the data tables. Samples and MDL extracts were analyzed at elevated volumes. That volume is being treated as a 1x dilution for calculation purposes, with larger dilutions being factored from that volume. The standard reporting limits were not adjusted since the limits remained within the calibration range even after dilutions were applied. The recoveries of the isotopically-labeled PCB internal standards in the sample extracts ranged from 21-109%. With one exception, flagged "R", the labeled standard recoveries obtained for this project were within the target ranges specified in Method 1668A. Since the quantification of the native congeners was based on isotope dilution and internal standard methodology, the data were automatically corrected for variation in recovery and accurate values were obtained. Incorrect isotope ratios were obtained for selected PCB congeners. The affected congeners were flagged "I" on the results table. Any associated target analyte detections were provided under the estimated maximum possible concentration (EMPC) column on the results table. If EMPCs were reported for congeners with WHO toxicity factors, the EMPC levels were included in the calculation of the toxic equivalence. A laboratory method blank was prepared and analyzed with each sample batch as part of our routine quality control procedures. The results show the blanks to be free of PCB congeners at the reporting limits. This indicates that the sample preparation procedures did not significantly contribute to the PCB content of the sample material. Laboratory spike samples were also prepared with the sample batch using reference material that had been fortified with native standards. The results show that the spiked native compounds were recovered at 83-133%, with relative percent differences of 0.0-31.3%. The RPD for congener #54 in one spike pair was above the 20% limit used DISCUSSION Page 2 of 97Report No.....10431169_1668_209_DFR Page 30 of 125 Pace Analytical Services,Inc. 1700 Elm Street Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. by Pace analytical. This could indicate a higher than normal variability in the Tetra-CB results from the associated sample extracts. However, these values were within method limits. Matrix spikes were not extracted with these sample batches. DISCUSSION Page 3 of 97Report No.....10431169_1668_209_DFR Page 31 of 125 REPORT OFLABORATORY ANALYSIS This report shallnot bereproduced,exceptin full, withoutthe written consentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Minnesota Laboratory Certifications Authority Certificate #Authority Certificate # A2LA 2926.01 Mississippi MN00064 Alabama 40770 Montana CERT0092 Alaska MN00064 Nebraska NE-OS-18-06 Alaska UST-078 Nevada MN00064 Arizona AZ0014 New Jersey (NE MN002 Arkansas 88-0680 New York (NEL 11647 CNMI Saipan MP0003 New hampshire 2081 California MN00064 North Carolina 27700 Colorado MN00064 North Carolina 530 Connecticut PH-0256 North Dakota R-036 EPA Region 8 8TMS-L Ohio 41244 Florida (NELAP E87605 Ohio VAP CL101 Georgia (EDP)959 Oklahoma 9507 Guam EPA 959 Oregon (ELAP)MN200001 Hawaii MN00064 Oregon (OREL MN300001 Idaho MN00064 Pennsylvania 68-00563 Illinois 200011 Puerto Rico MN00064 Indiana C-MN-01 South Carolina 74003001 Iowa 368 Tennessee TN02818 Kansas E-10167 Texas T104704192 Kentucky 90062 Utah (NELAP)MN00064 Louisiana 03086 Virginia 460163 Louisiana MN00064 Washington C486 Maine MN00064 West Virginia #9952C Maryland 322 West Virginia D 382 Michigan 9909 Wisconsin 999407970 Minnesota 027-053-137 Wyoming 8TMS-L Page 4 of 97Report No.....10431169_1668_209_DFR Page 32 of 125 Appendix A Sample Management Pace Analytical Services, Inc.Page 5 of 97Report No.....10431169_1668_209_DFR Page 33 of 125 Page 6 of 97Report No.....10431169_1668_209_DFR Page 34 of 125 5/15/18 Page 7 of 97Report No.....10431169_1668_209_DFR Page 35 of 125 Page 8 of 97Report No.....10431169_1668_209_DFR Page 36 of 125 5/15/18 Page 9 of 97Report No.....10431169_1668_209_DFR Page 37 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Reporting Flags A = B = C = D = E = I = J = Nn = P = R = S = U = V = X = Y = * = Reporting Limit based on signal to noise Less than 10x higher than method blank level Result obtained from confirmation analysis Result obtained from analysis of diluted sample Exceeds calibration range Interferencepresent Estimated value Value obtained from additional analysis PCDEInterference Recovery outside target range Peak saturated Analyte not detected Result verified by confirmation analysis %DExceeds limits Calculated using average of daily RFs SeeDiscussion Page 10 of 97Report No.....10431169_1668_209_DFR Page 38 of 125 Appendix B Sample Analysis Summary Pace Analytical Services, Inc.Page 11 of 97Report No.....10431169_1668_209_DFR Page 39 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180530A_04 P180530A03 10.2 g 31.314.8 gCVS P180530A_07 92384453002 ABF-SB052-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/30/2018 15:5605/16/2018 15:10 05/15/2018 09:30 05/09/2018 11:55 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 2.80 2.09.975 0.918 4613C-4-MoCB 3 3.14 2.012.899 0.993 5013C-2,2'-DiCB 4 1.49 2.013.210 0.934 4713C-4,4'-DiCB 15 1.52 2.020.530 1.15 5813C-2,2',6-TrCB 19 1.09 2.017.151 1.53 7713C-3,4,4'-TrCB 37 1.13 2.028.322 1.52 7613C-2,2',6,6'-TeCB 54 0.77 2.020.859 1.19 6013C-3,4,4',5-TeCB 81 0.82 2.035.488 1.30 6513C-3,3',4,4'-TeCB 77 0.83 2.036.092 1.53 7613C-2,2',4,6,6'-PeCB 104 1.62 2.026.930 1.15 5813C-2,3,3',4,4'-PeCB 105 1.60 2.039.686 1.43 7213C-2,3,4,4',5-PeCB 114 1.59 2.039.015 1.43 7113C-2,3',4,4',5-PeCB 118 1.49 2.038.445 1.40 7013C-2,3',4,4',5'-PeCB 123 1.72 2.038.092 1.39 7013C-3,3',4,4',5-PeCB 126 1.49 2.042.855 1.60 8013C-2,2',4,4',6,6'-HxCB 155 1.26 2.032.989 1.06 5313C-HxCB(156/157)156/157 1.35 4.045.913 2.66 6613C-2,3',4,4',5,5'-HxCB 167 1.27 2.044.722 1.38 6913C-3,3',4,4',5,5'-HxCB 169 1.28 2.049.234 1.63 8213C-2,2',3,4',5,6,6'-HpCB 188 1.09 2.038.914 1.05 5313C-2,3,3',4,4',5,5'-HpCB 189 0.98 2.051.658 1.43 7113C-2,2',3,3',5,5',6,6'-OcCB 202 0.91 2.044.420 1.02 5113C-2,3,3',4,4',5,5',6-OcCB 205 0.91 2.053.685 1.36 6813C-2,2',3,3',4,4',5,5',6-NoCB 206 0.79 2.055.194 1.19 5913C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.84 2.051.184 1.12 5613C--DeCB 209 0.65 2.056.746 1.15 58 CleanupStandards13C-2,4,4'-TrCB 28 1.19 2.023.911 1.48 7413C-2,3,3',5,5'-PeCB 111 1.64 2.036.058 1.25 6213C-2,2',3,3',5,5',6-HpCB 178 1.03 2.042.067 1.16 58 Recovery Standards13C-2,5-DiCB 9 1.64 2.015.713 NA NA13C-2,2',5,5'-TeCB 52 0.86 2.025.924 NA NA13C-2,2',4,5,5'-PeCB 101 1.47 2.033.241 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.24 2.041.631 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.94 2.053.297 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 12 of 97Report No.....10431169_1668_209_DFR Page 40 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07Lab Sample ID 92384453002 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.62---ND------24.63---ND------24.6 4 ---ND------24.65---ND------24.66---ND------24.67---ND------24.681.31 I ---16.779 31.2 24.6 9 ---ND------24.610---ND------24.611---ND------241 12 12/13 ---ND------49.21312/13 ---ND------49.214---ND------24.6 15 1.45 55.420.554 ---32.516---ND------24.617---ND------24.61818/30 ---ND------49.219---ND------24.62020/28 ---ND------1272121/33 ---ND------13322---ND------93.4 23 ---ND------24.624---ND------24.625---ND------24.6 26 26/29 ---ND------49.227---ND------24.62820/28 ---ND------127 29 26/29 ---ND------49.23018/30 ---ND------49.231---ND------12832---ND------24.63321/33 ---ND------133 34 ---ND------24.635---ND------24.636---ND------24.6 37 ---ND------52.138---ND------24.639---ND------24.6 40 40/41/71 ---ND------1484140/41/71 ---ND------14842---ND------49.24343/73 ---ND------49.24444/47/65 ---ND------1484545/51 ---ND------98.446---ND------49.24744/47/65 ---ND------148 48 ---ND------49.2 Page 13 of 97Report No.....10431169_1668_209_DFR Page 41 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07Lab Sample ID 92384453002 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------98.45050/53 ---ND------98.45145/51 ---ND------98.4 52 ---ND------1515350/53 ---ND------98.454---ND------49.255---ND------49.2560.71 55.832.167 ---49.2 57 ---ND------49.258---ND------49.25959/62/75 ---ND------148 60 ---ND------49.26161/70/74/76 ---ND------1976259/62/75 ---ND------148 63 ---ND------49.264---ND------49.26544/47/65 ---ND------148660.81 10431.463 ---82.667---ND------49.268---ND------49.26949/69 ---ND------98.47061/70/74/76 ---ND------197 71 40/41/71 ---ND------14872---ND------49.27343/73 ---ND------49.2 74 61/70/74/76 ---ND------1977559/62/75 ---ND------1487661/70/74/76 ---ND------197 77 ---ND------49.278---ND------49.279---ND------49.280---ND------49.281---ND------49.2 82 ---ND------49.283---ND------49.284---ND------49.2 85 85/116/117 ---ND------1488686/87/97/108/119/125 ---ND------2958786/87/97/108/119/125 ---ND------295 88 88/91 ---ND------98.489---ND------49.29090/101/113 1.48 18333.274 ---1489188/91 ---ND------98.492---ND------49.29393/98/100/102 ---ND------19794---ND------49.2951.55 14030.188 ---93.4 96 ---ND------49.2 Page 14 of 97Report No.....10431169_1668_209_DFR Page 42 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07Lab Sample ID 92384453002 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 ---ND------2959893/98/100/102 ---ND------197991.46 79.133.895 ---49.2 100 93/98/100/102 ---ND------19710190/101/113 1.48 (183)33.274 ---14810293/98/100/102 ---ND------197103---ND------49.2104---ND------49.2 105 1.42 15639.719 ---49.2106---ND------49.2107107/124 ---ND------98.4 108 86/87/97/108/119/125 ---ND------295109---ND------49.2110110/115 1.52 29435.354 ---98.4 111 ---ND------49.2112---ND------49.211390/101/113 1.48 (183)33.274 ---148114---ND------49.2115110/115 1.52 (294)35.354 ---98.411685/116/117 ---ND------14811785/116/117 ---ND------1481181.59 35738.461 ---62.9 119 86/87/97/108/119/125 ---ND------295120---ND------49.2121---ND------49.2 122 ---ND------49.2123---ND------49.2124107/124 ---ND------98.4 125 86/87/97/108/119/125 ---ND------295126---ND------49.2127---ND------49.2128128/166 1.21 47543.006 ---98.4129129/138/163 1.23 332041.665 ---148 130 1.41 95.940.994 ---49.2131---ND------49.21321.16 23238.579 ---49.2 133 ---ND------49.2134134/143 ---ND------98.4135135/151 1.21 49136.293 ---98.4 136 1.26 75.833.828 ---49.21371.24 59.341.212 ---49.2138129/138/163 1.23 (3320)41.665 ---148139139/140 ---ND------98.4140139/140 ---ND------98.41411.37 28340.591 ---49.2142---ND------49.2143134/143 ---ND------98.4 144 ---ND------49.2 Page 15 of 97Report No.....10431169_1668_209_DFR Page 43 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07Lab Sample ID 92384453002 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.21461.24 47239.736 ---49.2147147/149 1.19 72537.254 ---98.4 148 ---ND------49.2149147/149 1.19 (725)37.254 ---98.4150---ND------49.2151135/151 1.21 (491)36.293 ---98.4152---ND------49.2 153 153/168 1.24 239040.356 ---98.4154---ND------49.2155---ND------49.2 156 156/157 1.22 20945.930 ---98.4157156/157 1.22 (209)45.930 ---98.41581.19 27742.067 ---49.2 159 1.30 72.443.917 ---49.2160---ND------49.2161---ND------49.2162---ND------49.2163129/138/163 1.23 (3320)41.665 ---1481641.24 23241.346 ---49.2165---ND------49.2166128/166 1.21 (475)43.006 ---98.4 167 1.23 13544.756 ---49.2168153/168 1.24 (2390)40.356 ---98.4169---ND------49.2 170 1.05 185048.613 ---49.2171171/173 1.01 53645.007 ---98.41720.97 36446.634 ---49.2 173 171/173 1.01 (536)45.007 ---98.41741.05 163043.917 ---49.21750.91 66.342.721 ---49.21761.09 14040.239 ---49.21771.05 106044.370 ---49.2 178 1.01 41642.084 ---49.21791.06 67239.317 ---49.2180180/193 1.04 433047.305 ---98.4 181 ---ND------49.2182---ND------49.2183183/185 1.09 99943.666 ---98.4 184 ---ND------49.2185183/185 1.09 (999)43.666 ---98.4186---ND------49.21871.05 249043.023 ---49.2188---ND------49.21891.03 76.251.680 ---49.21901.01 44649.150 ---49.21911.07 66.547.674 ---49.2 192 ---ND------49.2 Page 16 of 97Report No.....10431169_1668_209_DFR Page 44 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07Lab Sample ID 92384453002 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.04 (4330)47.305 ---98.41940.88 122053.318 ---73.81950.86 51651.464 ---73.8 196 0.93 54349.955 ---73.8197197/200 0.92 19346.450 ---148198198/199 0.89 154049.284 ---148199198/199 0.89 (1540)49.284 ---148200197/200 0.92 (193)46.450 ---148 201 0.96 14445.410 ---73.82020.82 29144.454 ---73.82030.92 90350.156 ---73.8 204 ---ND------73.8205---ND------73.82060.76 70755.215 ---73.8 207 0.67 77.152.003 ---73.82080.79 17051.206 ---73.82090.66 19956.746 ---73.8 Page 17 of 97Report No.....10431169_1668_209_DFR Page 45 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB052-F002 P180530A_07 Sample Analysis Results Lab Sample ID 92384453002 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls 55.4 Total TrichloroBiphenyls ND Total TetrachloroBiphenyls 160 TotalPentachloroBiphenyls 1210 TotalHexachloroBiphenyls 9550 TotalHeptachloroBiphenyls 15100 Total Octachloro Biphenyls 5350 TotalNonachloroBiphenyls 953 DecachloroBiphenyls 199 TotalPCBs 32600 Results reported on a dry weight basis ND = Not Detected Page 18 of 97Report No.....10431169_1668_209_DFR Page 46 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180528B_02 P180528B01 10.0 g 27.013.7 gBAL P180528B_08 92384453003 ABF-SB053-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/29/2018 00:2105/16/2018 15:10 05/15/2018 09:30 05/09/2018 12:10 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 3.43 2.010.131 0.846 4213C-4-MoCB 3 2.72 2.013.090 0.909 4513C-2,2'-DiCB 4 1.53 2.013.402 0.772 3913C-4,4'-DiCB 15 1.50 2.020.721 0.929 4613C-2,2',6-TrCB 19 1.00 2.017.330 0.846 4213C-3,4,4'-TrCB 37 1.16 2.028.527 1.13 5613C-2,2',6,6'-TeCB 54 0.83 2.021.047 0.884 4413C-3,4,4',5-TeCB 81 0.87 2.035.676 1.11 5613C-3,3',4,4'-TeCB 77 0.79 2.036.313 1.18 5913C-2,2',4,6,6'-PeCB 104 1.61 2.027.135 0.833 4213C-2,3,3',4,4'-PeCB 105 1.56 2.039.874 1.15 5813C-2,3,4,4',5-PeCB 114 1.70 2.039.203 1.22 6113C-2,3',4,4',5-PeCB 118 1.58 2.038.650 1.18 5913C-2,3',4,4',5'-PeCB 123 1.62 2.038.297 1.17 5913C-3,3',4,4',5-PeCB 126 1.66 2.043.060 1.18 5913C-2,2',4,4',6,6'-HxCB 155 1.25 2.033.177 0.907 4513C-HxCB(156/157)156/157 1.23 4.046.101 0.846 21 R13C-2,3',4,4',5,5'-HxCB 167 1.15 2.044.910 0.528 2613C-3,3',4,4',5,5'-HxCB 169 1.23 2.049.404 1.08 5413C-2,2',3,4',5,6,6'-HpCB 188 1.05 2.039.119 2.17 10913C-2,3,3',4,4',5,5'-HpCB 189 1.04 2.051.791 1.88 9413C-2,2',3,3',5,5',6,6'-OcCB 202 0.89 2.044.608 1.06 5313C-2,3,3',4,4',5,5',6-OcCB 205 0.97 2.053.795 1.77 8813C-2,2',3,3',4,4',5,5',6-NoCB 206 0.73 2.055.304 1.62 8113C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.90 2.051.338 1.91 9513C--DeCB 209 0.71 2.056.877 1.69 85 CleanupStandards13C-2,4,4'-TrCB 28 1.10 2.024.083 1.21 6113C-2,3,3',5,5'-PeCB 111 1.54 2.036.263 0.983 4913C-2,2',3,3',5,5',6-HpCB 178 1.06 2.042.255 0.908 45 Recovery Standards13C-2,5-DiCB 9 1.58 2.016.012 NA NA13C-2,2',5,5'-TeCB 52 0.82 2.026.112 NA NA13C-2,2',4,5,5'-PeCB 101 1.49 2.033.445 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.23 2.041.836 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.91 2.053.407 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 19 of 97Report No.....10431169_1668_209_DFR Page 47 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08Lab Sample ID 92384453003 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------25.02---ND------25.032.74 26.313.126 ---25.0 4 ---ND------25.05---ND------25.06---ND------25.07---ND------25.081.43 30.717.018 ---25.0 9 ---ND------25.010---ND------25.011---ND------245 12 12/13 ---ND------50.01312/13 ---ND------50.014---ND------25.0 15 1.56 12820.721 ---33.016---ND------25.017---ND------25.01818/30 ---ND------50.019---ND------25.02020/28 ---ND------1292121/33 ---ND------13522---ND------95.0 23 ---ND------25.024---ND------25.025---ND------25.0 26 26/29 ---ND------50.027---ND------25.02820/28 ---ND------129 29 26/29 ---ND------50.03018/30 ---ND------50.031---ND------13032---ND------25.03321/33 ---ND------135 34 ---ND------25.035---ND------25.036---ND------25.0 37 1.07 10828.560 ---53.038---ND------25.039---ND------25.0 40 40/41/71 ---ND------1504140/41/71 ---ND------15042---ND------50.04343/73 ---ND------50.04444/47/65 ---ND------1504545/51 ---ND------100.046---ND------50.04744/47/65 ---ND------150 48 ---ND------50.0 Page 20 of 97Report No.....10431169_1668_209_DFR Page 48 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08Lab Sample ID 92384453003 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------100.05050/53 ---ND------100.05145/51 ---ND------100.0 52 0.84 23326.128 ---1545350/53 ---ND------100.054---ND------50.055---ND------50.0560.78 89.332.372 ---50.0 57 ---ND------50.058---ND------50.05959/62/75 ---ND------150 60 0.79 53.832.607 ---50.06161/70/74/76 0.82 36631.299 ---2006259/62/75 ---ND------150 63 ---ND------50.0640.87 52.428.577 ---50.06544/47/65 ---ND------150660.84 18731.668 ---84.067---ND------50.068---ND------50.06949/69 ---ND------100.07061/70/74/76 0.82 (366)31.299 ---200 71 40/41/71 ---ND------15072---ND------50.07343/73 ---ND------50.0 74 61/70/74/76 0.82 (366)31.299 ---2007559/62/75 ---ND------1507661/70/74/76 0.82 (366)31.299 ---200 77 0.85 88.736.330 ---50.078---ND------50.079---ND------50.080---ND------50.081---ND------50.0 82 1.55 71.135.928 ---50.083---ND------50.0841.68 12731.534 ---50.0 85 85/116/117 1.54 157035.391 ---1508686/87/97/108/119/125 1.60 33934.720 ---3008786/87/97/108/119/125 1.60 (339)34.720 ---300 88 88/91 1.49 17331.299 ---100.089---ND------50.09090/101/113 1.59 50733.479 ---1509188/91 1.49 (173)31.299 ---100.0921.75 92.032.842 ---50.09393/98/100/102 ---ND------20094---ND------50.0951.65 35330.376 ---95.0 96 ---ND------50.0 Page 21 of 97Report No.....10431169_1668_209_DFR Page 49 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08Lab Sample ID 92384453003 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 1.60 (339)34.720 ---3009893/98/100/102 ---ND------200991.62 40634.083 ---50.0 100 93/98/100/102 ---ND------20010190/101/113 1.59 (507)33.479 ---15010293/98/100/102 ---ND------200103---ND------50.0104---ND------50.0 105 1.51 78739.907 ---50.0106---ND------50.0107107/124 ---ND------100.0 108 86/87/97/108/119/125 1.60 (339)34.720 ---3001091.60 13438.214 ---50.0110110/115 1.51 99435.558 ---100.0 111 ---ND------50.0112---ND------50.011390/101/113 1.59 (507)33.479 ---150114---ND------50.0115110/115 1.51 (994)35.558 ---100.011685/116/117 1.54 (1570)35.391 ---15011785/116/117 1.54 (1570)35.391 ---1501181.58 96638.666 ---64.0 119 86/87/97/108/119/125 1.60 (339)34.720 ---300120---ND------50.0121---ND------50.0 122 ---ND------50.01231.62 64.438.314 ---50.0124107/124 ---ND------100.0 125 86/87/97/108/119/125 1.60 (339)34.720 ---300126---ND------50.0127---ND------50.0128128/166 1.25 210043.178 ---100.0129129/138/163 1.25 1960041.869 ---150 130 1.31 65541.199 ---50.0131---ND------50.01321.25 216038.784 ---50.0 133 1.18 24239.253 ---50.0134134/143 1.18 29437.677 ---100.0135135/151 1.30 474036.481 ---100.0 136 1.22 78733.999 ---50.01371.20 32241.417 ---50.0138129/138/163 1.25 (19600)41.869 ---150139139/140 1.14 12638.079 ---100.0140139/140 1.14 (126)38.079 ---100.01411.24 234040.779 ---50.0142---ND------50.0143134/143 1.18 (294)37.677 ---100.0 144 1.18 31437.068 ---50.0 Page 22 of 97Report No.....10431169_1668_209_DFR Page 50 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08Lab Sample ID 92384453003 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------50.01461.21 263039.924 ---50.0147147/149 1.23 630037.459 ---100.0 148 ---ND------50.0149147/149 1.23 (6300)37.459 ---100.0150---ND------50.0151135/151 1.30 (4740)36.481 ---100.0152---ND------50.0 153 153/168 1.26 1550040.561 ---100.01541.25 85.036.732 ---50.0155---ND------50.0 156 156/157 1.25 69446.101 ---100.0157156/157 1.25 (694)46.101 ---100.01581.25 165042.272 ---50.0 159 1.12 24344.088 ---50.0160---ND------50.0161---ND------50.0162---ND------50.0163129/138/163 1.25 (19600)41.869 ---1501641.22 131041.534 ---50.0165---ND------50.0166128/166 1.25 (2100)43.178 ---100.0 167 1.23 38144.944 ---50.0168153/168 1.26 (15500)40.561 ---100.0169---ND------50.0 170 1.06 707048.801 ---50.0171171/173 1.02 116045.212 ---100.01721.00 128046.822 ---50.0 173 171/173 1.02 (1160)45.212 ---100.01741.02 533044.105 ---50.01751.07 25042.926 ---50.01761.11 72140.427 ---50.01771.05 249044.558 ---50.0 178 1.01 156042.289 ---50.01791.06 275039.522 ---50.0180180/193 1.05 1620047.493 ---100.0 181 ---ND------50.0182---ND------50.0183183/185 1.06 307043.837 ---100.0 184 ---ND------50.0185183/185 1.06 (3070)43.837 ---100.0186---ND------50.01871.05 800043.211 ---50.0188---ND------50.01891.09 27551.812 ---50.01901.08 140049.337 ---50.01910.98 25647.845 ---50.0 192 ---ND------50.0 Page 23 of 97Report No.....10431169_1668_209_DFR Page 51 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08Lab Sample ID 92384453003 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.05 (16200)47.493 ---100.01940.88 258053.429 ---75.01950.91 243051.597 ---75.0 196 0.94 261050.125 ---75.0197197/200 0.89 97046.638 ---150198198/199 0.92 573049.455 ---150199198/199 0.92 (5730)49.455 ---150200197/200 0.89 (970)46.638 ---150 201 0.91 38645.581 ---75.02020.91 89844.642 ---75.02030.91 395050.327 ---75.0 204 ---ND------75.02050.88 20953.817 ---75.02060.79 170055.347 ---75.0 207 0.77 11852.114 ---75.02080.79 41451.360 ---75.02090.67 40556.899 ---75.0 Page 24 of 97Report No.....10431169_1668_209_DFR Page 52 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB053-F002 P180528B_08 Sample Analysis Results Lab Sample ID 92384453003 Congener Group Concentration ng/Kg Total MonochloroBiphenyls 26.3 TotalDichloroBiphenyls 159 Total TrichloroBiphenyls 108 Total TetrachloroBiphenyls 1070 TotalPentachloroBiphenyls 6580 TotalHexachloroBiphenyls 62500 TotalHeptachloroBiphenyls 51800 Total Octachloro Biphenyls 19800 TotalNonachloroBiphenyls 2230 DecachloroBiphenyls 405 TotalPCBs 145000 Results reported on a dry weight basis ND = Not Detected Page 25 of 97Report No.....10431169_1668_209_DFR Page 53 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62395P180530A_04 P180530A03 10.0 g 24.713.3 gCVS P180530A_06 92384453004 ABF-SB054-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/30/2018 14:5505/17/2018 15:20 05/15/2018 09:30 05/09/2018 12:30 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 2.75 2.09.975 0.925 4613C-4-MoCB 3 3.59 2.012.899 0.858 4313C-2,2'-DiCB 4 1.44 2.013.198 0.952 4813C-4,4'-DiCB 15 1.70 2.020.518 1.24 6213C-2,2',6-TrCB 19 1.14 2.017.115 1.16 5813C-3,4,4'-TrCB 37 1.13 2.028.322 1.57 7913C-2,2',6,6'-TeCB 54 0.85 2.020.842 1.28 6413C-3,4,4',5-TeCB 81 0.88 2.035.488 1.48 7413C-3,3',4,4'-TeCB 77 0.81 2.036.075 1.49 7513C-2,2',4,6,6'-PeCB 104 1.51 2.026.946 1.31 6613C-2,3,3',4,4'-PeCB 105 1.71 2.039.686 1.65 8213C-2,3,4,4',5-PeCB 114 1.60 2.039.015 1.63 8213C-2,3',4,4',5-PeCB 118 1.57 2.038.445 1.52 7613C-2,3',4,4',5'-PeCB 123 1.46 2.038.110 1.56 7813C-3,3',4,4',5-PeCB 126 1.72 2.042.873 1.78 8913C-2,2',4,4',6,6'-HxCB 155 1.24 2.032.989 1.24 6213C-HxCB(156/157)156/157 1.24 4.045.931 3.00 7513C-2,3',4,4',5,5'-HxCB 167 1.31 2.044.723 1.58 7913C-3,3',4,4',5,5'-HxCB 169 1.24 2.049.234 1.88 9413C-2,2',3,4',5,6,6'-HpCB 188 1.06 2.038.931 1.18 5913C-2,3,3',4,4',5,5'-HpCB 189 1.10 2.051.659 1.63 8213C-2,2',3,3',5,5',6,6'-OcCB 202 0.91 2.044.454 1.17 5813C-2,3,3',4,4',5,5',6-OcCB 205 0.96 2.053.707 1.57 7813C-2,2',3,3',4,4',5,5',6-NoCB 206 0.73 2.055.194 1.35 6813C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.72 2.051.185 1.23 6213C--DeCB 209 0.67 2.056.725 1.31 65 CleanupStandards13C-2,4,4'-TrCB 28 1.18 2.023.911 1.58 7913C-2,3,3',5,5'-PeCB 111 1.61 2.036.058 1.41 7113C-2,2',3,3',5,5',6-HpCB 178 0.97 2.042.068 1.31 65 Recovery Standards13C-2,5-DiCB 9 1.56 2.015.724 NA NA13C-2,2',5,5'-TeCB 52 0.88 2.025.923 NA NA13C-2,2',4,5,5'-PeCB 101 1.62 2.033.241 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.24 2.041.648 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.93 2.053.298 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 26 of 97Report No.....10431169_1668_209_DFR Page 54 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06Lab Sample ID 92384453004 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------25.02---ND------25.03---ND------25.0 4 ---ND------25.05---ND------25.06---ND------25.07---ND------25.08---ND------25.0 9 ---ND------25.010---ND------25.011---ND------245 12 12/13 ---ND------49.91312/13 ---ND------49.914---ND------25.0 15 ---ND------33.016---ND------25.017---ND------25.01818/30 ---ND------49.919---ND------25.02020/28 ---ND------1292121/33 ---ND------13522---ND------94.9 23 ---ND------25.024---ND------25.025---ND------25.0 26 26/29 ---ND------49.927---ND------25.02820/28 ---ND------129 29 26/29 ---ND------49.93018/30 ---ND------49.931---ND------130320.94 26.121.060 ---25.03321/33 ---ND------135 34 ---ND------25.035---ND------25.036---ND------25.0 37 ---ND------52.9381.07 26.227.064 ---25.039---ND------25.0 40 40/41/71 ---ND------1504140/41/71 ---ND------15042---ND------49.94343/73 ---ND------49.94444/47/65 0.80 116027.080 ---1504545/51 0.77 58324.112 ---99.946---ND------49.94744/47/65 0.80 (1160)27.080 ---150 48 ---ND------49.9 Page 27 of 97Report No.....10431169_1668_209_DFR Page 55 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06Lab Sample ID 92384453004 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 0.77 27126.477 ---99.95050/53 0.72 15223.274 ---99.95145/51 0.77 (583)24.112 ---99.9 52 ---ND------1545350/53 0.72 (152)23.274 ---99.9540.81 59.220.858 ---49.955---ND------49.9560.84 58.932.184 ---49.9 57 ---ND------49.958---ND------49.95959/62/75 ---ND------150 60 ---ND------49.96161/70/74/76 0.79 21531.111 ---2006259/62/75 ---ND------150 63 ---ND------49.964---ND------49.96544/47/65 0.80 (1160)27.080 ---150660.79 13931.480 ---83.967---ND------49.968---ND------49.96949/69 0.77 (271)26.477 ---99.97061/70/74/76 0.79 (215)31.111 ---200 71 40/41/71 ---ND------15072---ND------49.97343/73 ---ND------49.9 74 61/70/74/76 0.79 (215)31.111 ---2007559/62/75 ---ND------1507661/70/74/76 0.79 (215)31.111 ---200 77 0.81 52.836.109 ---49.978---ND------49.979---ND------49.980---ND------49.981---ND------49.9 82 ---ND------49.983---ND------49.9841.48 63.831.346 ---49.9 85 85/116/117 1.58 21035.203 ---1508686/87/97/108/119/125 1.61 32934.415 ---3008786/87/97/108/119/125 1.61 (329)34.415 ---300 88 88/91 ---ND------99.989---ND------49.99090/101/113 1.53 51933.274 ---1509188/91 ---ND------99.9921.68 93.432.654 ---49.99393/98/100/102 1.47 31130.390 ---20094---ND------49.9951.59 22930.188 ---94.9 96 ---ND------49.9 Page 28 of 97Report No.....10431169_1668_209_DFR Page 56 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06Lab Sample ID 92384453004 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 1.61 (329)34.415 ---3009893/98/100/102 1.47 (311)30.390 ---200991.60 34533.895 ---49.9 100 93/98/100/102 1.47 (311)30.390 ---20010190/101/113 1.53 (519)33.274 ---15010293/98/100/102 1.47 (311)30.390 ---2001031.48 51.229.434 ---49.9104---ND------49.9 105 1.58 18239.720 ---49.9106---ND------49.9107107/124 ---ND------99.9 108 86/87/97/108/119/125 1.61 (329)34.415 ---300109---ND------49.9110110/115 1.60 75335.354 ---99.9 111 ---ND------49.9112---ND------49.911390/101/113 1.53 (519)33.274 ---150114---ND------49.9115110/115 1.60 (753)35.354 ---99.911685/116/117 1.58 (210)35.203 ---15011785/116/117 1.58 (210)35.203 ---1501181.58 39038.479 ---63.9 119 86/87/97/108/119/125 1.61 (329)34.415 ---300120---ND------49.9121---ND------49.9 122 ---ND------49.9123---ND------49.9124107/124 ---ND------99.9 125 86/87/97/108/119/125 1.61 (329)34.415 ---300126---ND------49.9127---ND------49.9128128/166 1.18 37743.007 ---99.9129129/138/163 1.25 251041.682 ---150 130 1.26 12141.011 ---49.9131---ND------49.91321.22 35538.579 ---49.9 133 ---ND------49.9134134/143 ---ND------99.9135135/151 1.21 48336.276 ---99.9 136 1.37 10333.811 ---49.91371.09 96.341.229 ---49.9138129/138/163 1.25 (2510)41.682 ---150139139/140 ---ND------99.9140139/140 ---ND------99.91411.19 33740.592 ---49.9142---ND------49.9143134/143 ---ND------99.9 144 ---ND------49.9 Page 29 of 97Report No.....10431169_1668_209_DFR Page 57 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06Lab Sample ID 92384453004 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.91461.25 32839.720 ---49.9147147/149 1.26 115037.271 ---99.9 148 ---ND------49.9149147/149 1.26 (1150)37.271 ---99.9150---ND------49.9151135/151 1.21 (483)36.276 ---99.9152---ND------49.9 153 153/168 1.24 194040.374 ---99.9154---ND------49.9155---ND------49.9 156 156/157 1.29 20945.931 ---99.9157156/157 1.29 (209)45.931 ---99.91581.22 22142.084 ---49.9 159 ---ND------49.9160---ND------49.9161---ND------49.9162---ND------49.9163129/138/163 1.25 (2510)41.682 ---1501641.29 17241.347 ---49.9165---ND------49.9166128/166 1.18 (377)43.007 ---99.9 167 1.30 12344.756 ---49.9168153/168 1.24 (1940)40.374 ---99.9169---ND------49.9 170 1.03 84148.614 ---49.9171171/173 1.03 22445.025 ---99.91721.16 16846.652 ---49.9 173 171/173 1.03 (224)45.025 ---99.91740.98 74243.918 ---49.9175---ND------49.91760.98 60.640.239 ---49.91771.03 42244.370 ---49.9 178 1.09 18542.101 ---49.91791.03 26839.334 ---49.9180180/193 1.05 207047.322 ---99.9 181 ---ND------49.9182---ND------49.9183183/185 1.10 45643.649 ---99.9 184 ---ND------49.9185183/185 1.10 (456)43.649 ---99.9186---ND------49.91871.05 106043.024 ---49.9188---ND------49.9189---ND------49.91900.89 19149.167 ---49.9191---ND------49.9 192 ---ND------49.9 Page 30 of 97Report No.....10431169_1668_209_DFR Page 58 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06Lab Sample ID 92384453004 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.05 (2070)47.322 ---99.91940.93 59753.319 ---74.91950.90 20851.465 ---74.9 196 0.91 28749.955 ---74.9197197/200 ---ND------150198198/199 0.91 72749.301 ---150199198/199 0.91 (727)49.301 ---150200197/200 ---ND------150 201 ---ND------74.92020.88 15244.471 ---74.92030.92 44650.173 ---74.9 204 ---ND------74.9205---ND------74.92060.87 48555.216 ---74.9 207 ---ND------74.92080.89 14551.207 ---74.92090.74 30056.768 ---74.9 Page 31 of 97Report No.....10431169_1668_209_DFR Page 59 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB054-F002 P180530A_06 Sample Analysis Results Lab Sample ID 92384453004 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls 52.3 Total TetrachloroBiphenyls 2690 TotalPentachloroBiphenyls 3480 TotalHexachloroBiphenyls 8530 TotalHeptachloroBiphenyls 6690 Total Octachloro Biphenyls 2420 TotalNonachloroBiphenyls 630 DecachloroBiphenyls 300 TotalPCBs 24800 Results reported on a dry weight basis ND = Not Detected Page 32 of 97Report No.....10431169_1668_209_DFR Page 60 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180528B_02 P180528B01 10.1 g 29.214.2 gBAL P180528B_09 92384453005 ABF-SB055-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/29/2018 01:2105/16/2018 15:10 05/15/2018 09:30 05/09/2018 13:50 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 3.47 2.010.095 0.815 4113C-4-MoCB 3 3.04 2.013.031 0.888 4413C-2,2'-DiCB 4 1.55 2.013.330 0.883 4413C-4,4'-DiCB 15 1.65 2.020.721 1.02 5113C-2,2',6-TrCB 19 1.18 2.017.270 1.05 5213C-3,4,4'-TrCB 37 1.11 2.028.493 1.26 6313C-2,2',6,6'-TeCB 54 0.81 2.021.030 0.962 4813C-3,4,4',5-TeCB 81 0.79 2.035.642 1.34 6713C-3,3',4,4'-TeCB 77 0.76 2.036.229 1.33 6713C-2,2',4,6,6'-PeCB 104 1.67 2.027.101 1.02 5113C-2,3,3',4,4'-PeCB 105 1.68 2.039.823 1.32 6613C-2,3,4,4',5-PeCB 114 1.65 2.039.152 1.28 6413C-2,3',4,4',5-PeCB 118 1.55 2.038.599 1.30 6513C-2,3',4,4',5'-PeCB 123 1.58 2.038.247 1.29 6413C-3,3',4,4',5-PeCB 126 1.62 2.043.010 1.36 6813C-2,2',4,4',6,6'-HxCB 155 1.26 2.033.143 1.04 5213C-HxCB(156/157)156/157 1.26 4.046.067 2.48 6213C-2,3',4,4',5,5'-HxCB 167 1.26 2.044.860 1.28 6413C-3,3',4,4',5,5'-HxCB 169 1.32 2.049.371 1.40 7013C-2,2',3,4',5,6,6'-HpCB 188 1.03 2.039.068 1.18 5913C-2,3,3',4,4',5,5'-HpCB 189 1.09 2.051.748 1.39 7013C-2,2',3,3',5,5',6,6'-OcCB 202 0.90 2.044.558 1.04 5213C-2,3,3',4,4',5,5',6-OcCB 205 0.86 2.053.774 1.21 6013C-2,2',3,3',4,4',5,5',6-NoCB 206 0.84 2.055.305 1.06 5313C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.83 2.051.295 1.11 5613C--DeCB 209 0.69 2.056.857 1.10 55 CleanupStandards13C-2,4,4'-TrCB 28 1.00 2.024.065 1.29 6413C-2,3,3',5,5'-PeCB 111 1.54 2.036.195 1.12 5613C-2,2',3,3',5,5',6-HpCB 178 1.02 2.042.205 1.16 58 Recovery Standards13C-2,5-DiCB 9 1.59 2.015.856 NA NA13C-2,2',5,5'-TeCB 52 0.83 2.026.061 NA NA13C-2,2',4,5,5'-PeCB 101 1.53 2.033.411 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.29 2.041.785 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.92 2.053.386 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 33 of 97Report No.....10431169_1668_209_DFR Page 61 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09Lab Sample ID 92384453005 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.92---ND------24.93---ND------24.9 4 ---ND------24.95---ND------24.96---ND------24.97---ND------24.98---ND------24.9 9 ---ND------24.910---ND------24.911---ND------244 12 12/13 ---ND------49.71312/13 ---ND------49.714---ND------24.9 15 ---ND------32.816---ND------24.917---ND------24.91818/30 ---ND------49.719---ND------24.92020/28 ---ND------1282121/33 ---ND------13422---ND------94.5 23 ---ND------24.924---ND------24.925---ND------24.9 26 26/29 ---ND------49.727---ND------24.92820/28 ---ND------128 29 26/29 ---ND------49.73018/30 ---ND------49.731---ND------12932---ND------24.93321/33 ---ND------134 34 ---ND------24.935---ND------24.936---ND------24.9 37 ---ND------52.738---ND------24.939---ND------24.9 40 40/41/71 ---ND------1494140/41/71 ---ND------14942---ND------49.74343/73 ---ND------49.74444/47/65 ---ND------1494545/51 ---ND------99.546---ND------49.74744/47/65 ---ND------149 48 ---ND------49.7 Page 34 of 97Report No.....10431169_1668_209_DFR Page 62 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09Lab Sample ID 92384453005 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------99.55050/53 ---ND------99.55145/51 ---ND------99.5 52 ---ND------1535350/53 ---ND------99.554---ND------49.755---ND------49.756---ND------49.7 57 ---ND------49.758---ND------49.75959/62/75 ---ND------149 60 ---ND------49.76161/70/74/76 ---ND------1996259/62/75 ---ND------149 63 ---ND------49.764---ND------49.76544/47/65 ---ND------14966---ND------83.667---ND------49.768---ND------49.76949/69 ---ND------99.57061/70/74/76 ---ND------199 71 40/41/71 ---ND------14972---ND------49.77343/73 ---ND------49.7 74 61/70/74/76 ---ND------1997559/62/75 ---ND------1497661/70/74/76 ---ND------199 77 ---ND------49.778---ND------49.779---ND------49.780---ND------49.781---ND------49.7 82 ---ND------49.783---ND------49.784---ND------49.7 85 85/116/117 ---ND------1498686/87/97/108/119/125 ---ND------2988786/87/97/108/119/125 ---ND------298 88 88/91 ---ND------99.589---ND------49.79090/101/113 ---ND------1499188/91 ---ND------99.592---ND------49.79393/98/100/102 ---ND------19994---ND------49.795---ND------94.5 96 ---ND------49.7 Page 35 of 97Report No.....10431169_1668_209_DFR Page 63 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09Lab Sample ID 92384453005 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 ---ND------2989893/98/100/102 ---ND------19999---ND------49.7 100 93/98/100/102 ---ND------19910190/101/113 ---ND------14910293/98/100/102 ---ND------199103---ND------49.7104---ND------49.7 105 ---ND------49.7106---ND------49.7107107/124 ---ND------99.5 108 86/87/97/108/119/125 ---ND------298109---ND------49.7110110/115 ---ND------99.5 111 ---ND------49.7112---ND------49.711390/101/113 ---ND------149114---ND------49.7115110/115 ---ND------99.511685/116/117 ---ND------14911785/116/117 ---ND------1491181.64 67.838.632 ---63.7 119 86/87/97/108/119/125 ---ND------298120---ND------49.7121---ND------49.7 122 ---ND------49.7123---ND------49.7124107/124 ---ND------99.5 125 86/87/97/108/119/125 ---ND------298126---ND------49.7127---ND------49.7128128/166 1.34 16643.127 ---99.5129129/138/163 1.24 136041.819 ---149 130 ---ND------49.7131---ND------49.71321.19 58.138.716 ---49.7 133 ---ND------49.7134134/143 ---ND------99.5135135/151 1.15 11936.430 ---99.5 136 ---ND------49.7137---ND------49.7138129/138/163 1.24 (1360)41.819 ---149139139/140 ---ND------99.5140139/140 ---ND------99.51411.26 87.140.712 ---49.7142---ND------49.7143134/143 ---ND------99.5 144 ---ND------49.7 Page 36 of 97Report No.....10431169_1668_209_DFR Page 64 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09Lab Sample ID 92384453005 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.71461.22 19039.873 ---49.7147147/149 1.26 19737.408 ---99.5 148 ---ND------49.7149147/149 1.26 (197)37.408 ---99.5150---ND------49.7151135/151 1.15 (119)36.430 ---99.5152---ND------49.7 153 153/168 1.25 106040.511 ---99.5154---ND------49.7155---ND------49.7 156 156/157 ---ND------99.5157156/157 ---ND------99.51581.15 10242.221 ---49.7 159 ---ND------49.7160---ND------49.7161---ND------49.7162---ND------49.7163129/138/163 1.24 (1360)41.819 ---1491641.06 80.541.500 ---49.7165---ND------49.7166128/166 1.34 (166)43.127 ---99.5 167 1.20 71.444.893 ---49.7168153/168 1.25 (1060)40.511 ---99.5169---ND------49.7 170 1.07 99748.750 ---49.7171171/173 1.04 24645.145 ---99.51721.05 17346.771 ---49.7 173 171/173 1.04 (246)45.145 ---99.51741.00 50244.055 ---49.7175---ND------49.7176---ND------49.71771.08 44344.507 ---49.7 178 1.06 19842.238 ---49.71791.14 18239.454 ---49.7180180/193 1.04 237047.459 ---99.5 181 ---ND------49.7182---ND------49.7183183/185 1.01 36143.786 ---99.5 184 ---ND------49.7185183/185 1.01 (361)43.786 ---99.5186---ND------49.71871.08 99943.161 ---49.7188---ND------49.7189---ND------49.71901.11 23749.304 ---49.7191---ND------49.7 192 ---ND------49.7 Page 37 of 97Report No.....10431169_1668_209_DFR Page 65 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09Lab Sample ID 92384453005 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.04 (2370)47.459 ---99.51940.90 69253.408 ---74.61950.85 31451.575 ---74.6 196 0.88 32050.092 ---74.6197197/200 ---ND------149198198/199 0.90 83149.421 ---149199198/199 0.90 (831)49.421 ---149200197/200 ---ND------149 201 ---ND------74.62020.86 15344.591 ---74.62030.88 52750.293 ---74.6 204 ---ND------74.6205---ND------74.62060.81 43655.305 ---74.6 207 ---ND------74.62080.84 12551.317 ---74.62090.64 24956.878 ---74.6 Page 38 of 97Report No.....10431169_1668_209_DFR Page 66 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-F002 P180528B_09 Sample Analysis Results Lab Sample ID 92384453005 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls 67.8 TotalHexachloroBiphenyls 3490 TotalHeptachloroBiphenyls 6710 Total Octachloro Biphenyls 2840 TotalNonachloroBiphenyls 561 DecachloroBiphenyls 249 TotalPCBs 13900 Results reported on a dry weight basis ND = Not Detected Page 39 of 97Report No.....10431169_1668_209_DFR Page 67 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180528B_02 P180528B01 10.1 g 28.014.0 gBAL P180528B_10 92384453006 ABF-SB055-D002 MatrixDilution Collected Received ExtractedAnalyzed 05/29/2018 02:2205/16/2018 15:10 05/15/2018 09:30 05/09/2018 13:55 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 3.35 2.010.095 0.858 4313C-4-MoCB 3 3.48 2.013.031 0.933 4713C-2,2'-DiCB 4 1.58 2.013.342 0.833 4213C-4,4'-DiCB 15 1.52 2.020.638 1.08 5413C-2,2',6-TrCB 19 1.20 2.017.247 1.14 5713C-3,4,4'-TrCB 37 1.18 2.028.477 1.35 6813C-2,2',6,6'-TeCB 54 0.89 2.020.964 1.04 5213C-3,4,4',5-TeCB 81 0.81 2.035.627 1.38 6913C-3,3',4,4'-TeCB 77 0.80 2.036.247 1.37 6813C-2,2',4,6,6'-PeCB 104 1.77 2.027.102 0.988 4913C-2,3,3',4,4'-PeCB 105 1.57 2.039.825 1.36 6813C-2,3,4,4',5-PeCB 114 1.63 2.039.171 1.36 6813C-2,3',4,4',5-PeCB 118 1.71 2.038.600 1.32 6613C-2,3',4,4',5'-PeCB 123 1.64 2.038.265 1.30 6513C-3,3',4,4',5-PeCB 126 1.57 2.043.028 1.42 7113C-2,2',4,4',6,6'-HxCB 155 1.22 2.033.145 0.910 4513C-HxCB(156/157)156/157 1.29 4.046.069 2.26 5713C-2,3',4,4',5,5'-HxCB 167 1.28 2.044.861 1.15 5813C-3,3',4,4',5,5'-HxCB 169 1.23 2.049.389 1.26 6313C-2,2',3,4',5,6,6'-HpCB 188 1.04 2.039.070 1.15 5813C-2,3,3',4,4',5,5'-HpCB 189 1.06 2.051.771 1.33 6613C-2,2',3,3',5,5',6,6'-OcCB 202 0.85 2.044.576 1.10 5513C-2,3,3',4,4',5,5',6-OcCB 205 0.81 2.053.797 1.20 6013C-2,2',3,3',4,4',5,5',6-NoCB 206 0.80 2.055.306 1.06 5313C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.74 2.051.296 1.13 5713C--DeCB 209 0.78 2.056.879 1.06 53 CleanupStandards13C-2,4,4'-TrCB 28 1.15 2.024.050 1.34 6713C-2,3,3',5,5'-PeCB 111 1.54 2.036.197 1.22 6113C-2,2',3,3',5,5',6-HpCB 178 1.08 2.042.206 1.10 55 Recovery Standards13C-2,5-DiCB 9 1.53 2.015.856 NA NA13C-2,2',5,5'-TeCB 52 0.81 2.026.062 NA NA13C-2,2',4,5,5'-PeCB 101 1.56 2.033.396 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.31 2.041.787 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.90 2.053.387 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 40 of 97Report No.....10431169_1668_209_DFR Page 68 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10Lab Sample ID 92384453006 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.82---ND------24.83---ND------24.8 4 ---ND------24.85---ND------24.86---ND------24.87---ND------24.88---ND------24.8 9 ---ND------24.810---ND------24.811---ND------243 12 12/13 ---ND------49.61312/13 ---ND------49.614---ND------24.8 15 ---ND------32.716---ND------24.817---ND------24.81818/30 ---ND------49.619---ND------24.82020/28 ---ND------1282121/33 ---ND------13422---ND------94.2 23 ---ND------24.824---ND------24.825---ND------24.8 26 26/29 ---ND------49.627---ND------24.82820/28 ---ND------128 29 26/29 ---ND------49.63018/30 ---ND------49.631---ND------12932---ND------24.83321/33 ---ND------134 34 ---ND------24.835---ND------24.836---ND------24.8 37 ---ND------52.638---ND------24.839---ND------24.8 40 40/41/71 ---ND------1494140/41/71 ---ND------14942---ND------49.64343/73 ---ND------49.64444/47/65 ---ND------1494545/51 ---ND------99.246---ND------49.64744/47/65 ---ND------149 48 ---ND------49.6 Page 41 of 97Report No.....10431169_1668_209_DFR Page 69 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10Lab Sample ID 92384453006 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------99.25050/53 ---ND------99.25145/51 ---ND------99.2 52 ---ND------1535350/53 ---ND------99.254---ND------49.655---ND------49.656---ND------49.6 57 ---ND------49.658---ND------49.65959/62/75 ---ND------149 60 ---ND------49.66161/70/74/76 ---ND------1986259/62/75 ---ND------149 63 ---ND------49.664---ND------49.66544/47/65 ---ND------14966---ND------83.367---ND------49.668---ND------49.66949/69 ---ND------99.27061/70/74/76 ---ND------198 71 40/41/71 ---ND------14972---ND------49.67343/73 ---ND------49.6 74 61/70/74/76 ---ND------1987559/62/75 ---ND------1497661/70/74/76 ---ND------198 77 ---ND------49.678---ND------49.679---ND------49.680---ND------49.681---ND------49.6 82 ---ND------49.683---ND------49.684---ND------49.6 85 85/116/117 ---ND------1498686/87/97/108/119/125 ---ND------2988786/87/97/108/119/125 ---ND------298 88 88/91 ---ND------99.289---ND------49.69090/101/113 ---ND------1499188/91 ---ND------99.292---ND------49.69393/98/100/102 ---ND------19894---ND------49.695---ND------94.2 96 ---ND------49.6 Page 42 of 97Report No.....10431169_1668_209_DFR Page 70 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10Lab Sample ID 92384453006 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 ---ND------2989893/98/100/102 ---ND------19899---ND------49.6 100 93/98/100/102 ---ND------19810190/101/113 ---ND------14910293/98/100/102 ---ND------198103---ND------49.6104---ND------49.6 105 ---ND------49.6106---ND------49.6107107/124 ---ND------99.2 108 86/87/97/108/119/125 ---ND------298109---ND------49.6110110/115 ---ND------99.2 111 ---ND------49.6112---ND------49.611390/101/113 ---ND------149114---ND------49.6115110/115 ---ND------99.211685/116/117 ---ND------14911785/116/117 ---ND------149118---ND------63.5 119 86/87/97/108/119/125 ---ND------298120---ND------49.6121---ND------49.6 122 ---ND------49.6123---ND------49.6124107/124 ---ND------99.2 125 86/87/97/108/119/125 ---ND------298126---ND------49.6127---ND------49.6128128/166 1.27 15243.162 ---99.2129129/138/163 1.23 100041.820 ---149 130 ---ND------49.6131---ND------49.6132---ND------49.6 133 ---ND------49.6134134/143 ---ND------99.2135135/151 ---ND------99.2 136 ---ND------49.6137---ND------49.6138129/138/163 1.23 (1000)41.820 ---149139139/140 ---ND------99.2140139/140 ---ND------99.21411.14 54.040.730 ---49.6142---ND------49.6143134/143 ---ND------99.2 144 ---ND------49.6 Page 43 of 97Report No.....10431169_1668_209_DFR Page 71 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10Lab Sample ID 92384453006 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.61461.23 14239.875 ---49.6147147/149 1.25 12137.410 ---99.2 148 ---ND------49.6149147/149 1.25 (121)37.410 ---99.2150---ND------49.6151135/151 ---ND------99.2152---ND------49.6 153 153/168 1.24 76040.512 ---99.2154---ND------49.6155---ND------49.6 156 156/157 ---ND------99.2157156/157 ---ND------99.21581.21 78.142.240 ---49.6 159 ---ND------49.6160---ND------49.6161---ND------49.6162---ND------49.6163129/138/163 1.23 (1000)41.820 ---149164---ND------49.6165---ND------49.6166128/166 1.27 (152)43.162 ---99.2 167 1.24 60.144.878 ---49.6168153/168 1.24 (760)40.512 ---99.2169---ND------49.6 170 1.05 79948.752 ---49.6171171/173 1.04 20145.163 ---99.21721.05 13946.773 ---49.6 173 171/173 1.04 (201)45.163 ---99.21741.14 33644.056 ---49.6175---ND------49.6176---ND------49.61771.01 33144.509 ---49.6 178 1.05 14542.223 ---49.61791.06 12439.472 ---49.6180180/193 1.08 193047.460 ---99.2 181 ---ND------49.6182---ND------49.6183183/185 0.99 28043.788 ---99.2 184 ---ND------49.6185183/185 0.99 (280)43.788 ---99.2186---ND------49.61871.03 92343.162 ---49.6188---ND------49.6189---ND------49.61901.04 18949.305 ---49.6191---ND------49.6 192 ---ND------49.6 Page 44 of 97Report No.....10431169_1668_209_DFR Page 72 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10Lab Sample ID 92384453006 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.08 (1930)47.460 ---99.21940.89 49053.409 ---74.41950.97 23651.598 ---74.4 196 0.85 23850.093 ---74.4197197/200 ---ND------149198198/199 0.94 65049.423 ---149199198/199 0.94 (650)49.423 ---149200197/200 ---ND------149 201 ---ND------74.42020.86 12644.592 ---74.42030.89 40950.311 ---74.4 204 ---ND------74.4205---ND------74.42060.76 32455.327 ---74.4 207 ---ND------74.42080.72 87.051.318 ---74.42090.67 21356.879 ---74.4 Page 45 of 97Report No.....10431169_1668_209_DFR Page 73 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB055-D002 P180528B_10 Sample Analysis Results Lab Sample ID 92384453006 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls ND TotalHexachloroBiphenyls 2370 TotalHeptachloroBiphenyls 5400 Total Octachloro Biphenyls 2150 TotalNonachloroBiphenyls 411 DecachloroBiphenyls 213 TotalPCBs 10500 Results reported on a dry weight basis ND = Not Detected Page 46 of 97Report No.....10431169_1668_209_DFR Page 74 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180528B_02 P180528B01 10.1 g 28.814.2 gBAL P180528B_11 92384453007 ABF-SB056-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/29/2018 03:2305/16/2018 15:10 05/15/2018 09:30 05/09/2018 13:30 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 2.82 2.010.083 0.860 4313C-4-MoCB 3 2.99 2.013.019 0.979 4913C-2,2'-DiCB 4 1.63 2.013.330 0.888 4413C-4,4'-DiCB 15 1.55 2.020.661 1.23 6113C-2,2',6-TrCB 19 1.15 2.017.270 1.09 5513C-3,4,4'-TrCB 37 1.11 2.028.493 1.42 7113C-2,2',6,6'-TeCB 54 0.80 2.020.980 1.16 5813C-3,4,4',5-TeCB 81 0.82 2.035.643 1.40 7013C-3,3',4,4'-TeCB 77 0.76 2.036.246 1.43 7113C-2,2',4,6,6'-PeCB 104 1.55 2.027.084 1.02 5113C-2,3,3',4,4'-PeCB 105 1.58 2.039.840 1.36 6813C-2,3,4,4',5-PeCB 114 1.59 2.039.153 1.36 6813C-2,3',4,4',5-PeCB 118 1.63 2.038.599 1.34 6713C-2,3',4,4',5'-PeCB 123 1.52 2.038.264 1.32 6613C-3,3',4,4',5-PeCB 126 1.56 2.043.027 1.42 7113C-2,2',4,4',6,6'-HxCB 155 1.32 2.033.144 1.00 5013C-HxCB(156/157)156/157 1.31 4.046.083 2.31 5813C-2,3',4,4',5,5'-HxCB 167 1.25 2.044.893 1.21 6113C-3,3',4,4',5,5'-HxCB 169 1.31 2.049.370 1.30 6513C-2,2',3,4',5,6,6'-HpCB 188 1.06 2.039.085 1.22 6113C-2,3,3',4,4',5,5'-HpCB 189 0.98 2.051.769 1.39 7013C-2,2',3,3',5,5',6,6'-OcCB 202 0.90 2.044.591 1.15 5713C-2,3,3',4,4',5,5',6-OcCB 205 0.92 2.053.795 1.24 6213C-2,2',3,3',4,4',5,5',6-NoCB 206 0.86 2.055.304 1.12 5613C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.77 2.051.316 1.21 6113C--DeCB 209 0.74 2.056.877 1.21 60 CleanupStandards13C-2,4,4'-TrCB 28 1.10 2.024.049 1.38 6913C-2,3,3',5,5'-PeCB 111 1.49 2.036.196 1.24 6213C-2,2',3,3',5,5',6-HpCB 178 1.08 2.042.205 1.12 56 Recovery Standards13C-2,5-DiCB 9 1.60 2.015.844 NA NA13C-2,2',5,5'-TeCB 52 0.81 2.026.061 NA NA13C-2,2',4,5,5'-PeCB 101 1.56 2.033.412 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.30 2.041.802 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.94 2.053.407 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 47 of 97Report No.....10431169_1668_209_DFR Page 75 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11Lab Sample ID 92384453007 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.72---ND------24.733.04 26.313.042 ---24.7 4 ---ND------24.75---ND------24.76---ND------24.77---ND------24.78---ND------24.7 9 ---ND------24.710---ND------24.711---ND------242 12 12/13 ---ND------49.51312/13 ---ND------49.514---ND------24.7 15 1.49 19320.673 ---32.616---ND------24.717---ND------24.71818/30 ---ND------49.519---ND------24.72020/28 ---ND------1282121/33 ---ND------13422---ND------94.0 23 ---ND------24.724---ND------24.725---ND------24.7 26 26/29 ---ND------49.527---ND------24.72820/28 ---ND------128 29 26/29 ---ND------49.53018/30 ---ND------49.531---ND------12932---ND------24.73321/33 ---ND------134 34 ---ND------24.735---ND------24.736---ND------24.7 37 1.04 10128.510 ---52.438---ND------24.739---ND------24.7 40 40/41/71 ---ND------1484140/41/71 ---ND------14842---ND------49.54343/73 ---ND------49.54444/47/65 ---ND------1484545/51 ---ND------98.946---ND------49.54744/47/65 ---ND------148 48 ---ND------49.5 Page 48 of 97Report No.....10431169_1668_209_DFR Page 76 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11Lab Sample ID 92384453007 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------98.95050/53 ---ND------98.95145/51 ---ND------98.9 52 ---ND------1525350/53 ---ND------98.954---ND------49.555---ND------49.556---ND------49.5 57 ---ND------49.558---ND------49.55959/62/75 ---ND------148 60 ---ND------49.56161/70/74/76 ---ND------1986259/62/75 ---ND------148 63 ---ND------49.564---ND------49.56544/47/65 ---ND------148660.85 96.731.634 ---83.167---ND------49.568---ND------49.56949/69 ---ND------98.97061/70/74/76 ---ND------198 71 40/41/71 ---ND------14872---ND------49.57343/73 ---ND------49.5 74 61/70/74/76 ---ND------1987559/62/75 ---ND------1487661/70/74/76 ---ND------198 77 0.83 73.736.263 ---49.578---ND------49.579---ND------49.580---ND------49.581---ND------49.5 82 ---ND------49.583---ND------49.584---ND------49.5 85 85/116/117 1.52 49435.357 ---1488686/87/97/108/119/125 ---ND------2978786/87/97/108/119/125 ---ND------297 88 88/91 ---ND------98.989---ND------49.59090/101/113 1.58 26433.446 ---1489188/91 ---ND------98.9921.62 60.832.808 ---49.59393/98/100/102 ---ND------19894---ND------49.5951.51 18930.326 ---94.0 96 ---ND------49.5 Page 49 of 97Report No.....10431169_1668_209_DFR Page 77 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11Lab Sample ID 92384453007 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 ---ND------2979893/98/100/102 ---ND------198991.57 23034.049 ---49.5 100 93/98/100/102 ---ND------19810190/101/113 1.58 (264)33.446 ---14810293/98/100/102 ---ND------198103---ND------49.5104---ND------49.5 105 1.55 30639.857 ---49.5106---ND------49.5107107/124 ---ND------98.9 108 86/87/97/108/119/125 ---ND------2971091.56 59.138.163 ---49.5110110/115 1.58 58635.508 ---98.9 111 ---ND------49.5112---ND------49.511390/101/113 1.58 (264)33.446 ---148114---ND------49.5115110/115 1.58 (586)35.508 ---98.911685/116/117 1.52 (494)35.357 ---14811785/116/117 1.52 (494)35.357 ---1481181.64 47738.633 ---63.3 119 86/87/97/108/119/125 ---ND------297120---ND------49.5121---ND------49.5 122 ---ND------49.51231.74 53.138.280 ---49.5124107/124 ---ND------98.9 125 86/87/97/108/119/125 ---ND------297126---ND------49.5127---ND------49.5128128/166 1.26 75443.144 ---98.9129129/138/163 1.24 636041.819 ---148 130 1.15 21941.148 ---49.5131---ND------49.51321.24 53038.733 ---49.5 133 1.24 79.739.203 ---49.5134134/143 ---ND------98.9135135/151 1.27 151036.431 ---98.9 136 1.27 13233.965 ---49.51371.36 93.841.383 ---49.5138129/138/163 1.24 (6360)41.819 ---148139139/140 ---ND------98.9140139/140 ---ND------98.91411.22 80340.729 ---49.5142---ND------49.5143134/143 ---ND------98.9 144 1.21 11037.034 ---49.5 Page 50 of 97Report No.....10431169_1668_209_DFR Page 78 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11Lab Sample ID 92384453007 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.51461.22 97939.874 ---49.5147147/149 1.28 228037.409 ---98.9 148 ---ND------49.5149147/149 1.28 (2280)37.409 ---98.9150---ND------49.5151135/151 1.27 (1510)36.431 ---98.9152---ND------49.5 153 153/168 1.26 579040.511 ---98.9154---ND------49.5155---ND------49.5 156 156/157 1.28 31446.067 ---98.9157156/157 1.28 (314)46.067 ---98.91581.23 44842.221 ---49.5 159 1.24 11744.071 ---49.5160---ND------49.5161---ND------49.5162---ND------49.5163129/138/163 1.24 (6360)41.819 ---1481641.18 44041.500 ---49.5165---ND------49.5166128/166 1.26 (754)43.144 ---98.9 167 1.28 25544.910 ---49.5168153/168 1.26 (5790)40.511 ---98.9169---ND------49.5 170 1.02 338048.767 ---49.5171171/173 1.00 96045.178 ---98.91721.05 62946.788 ---49.5 173 171/173 1.00 (960)45.178 ---98.91741.05 297044.055 ---49.51751.06 12742.909 ---49.51761.04 24140.377 ---49.51771.03 177044.507 ---49.5 178 0.99 83242.238 ---49.51791.02 102039.471 ---49.5180180/193 1.06 807047.459 ---98.9 181 ---ND------49.5182---ND------49.5183183/185 1.05 178043.803 ---98.9 184 ---ND------49.5185183/185 1.05 (1780)43.803 ---98.9186---ND------49.51871.04 456043.177 ---49.5188---ND------49.51891.03 13251.791 ---49.51901.01 72949.304 ---49.51911.06 14447.811 ---49.5 192 ---ND------49.5 Page 51 of 97Report No.....10431169_1668_209_DFR Page 79 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11Lab Sample ID 92384453007 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.06 (8070)47.459 ---98.91940.90 213053.407 ---74.21950.89 94851.575 ---74.2 196 0.91 104050.092 ---74.2197197/200 0.95 35846.587 ---148198198/199 0.92 261049.438 ---148199198/199 0.92 (2610)49.438 ---148200197/200 0.95 (358)46.587 ---148 201 0.93 24745.547 ---74.22020.86 47044.608 ---74.22030.92 161050.293 ---74.2 204 ---ND------74.22050.88 13353.817 ---74.22060.75 114055.326 ---74.2 207 0.82 12852.092 ---74.22080.75 29051.316 ---74.22090.70 74556.899 ---74.2 Page 52 of 97Report No.....10431169_1668_209_DFR Page 80 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB056-F002 P180528B_11 Sample Analysis Results Lab Sample ID 92384453007 Congener Group Concentration ng/Kg Total MonochloroBiphenyls 26.3 TotalDichloroBiphenyls 193 Total TrichloroBiphenyls 101 Total TetrachloroBiphenyls 170 TotalPentachloroBiphenyls 2720 TotalHexachloroBiphenyls 21200 TotalHeptachloroBiphenyls 27300 Total Octachloro Biphenyls 9540 TotalNonachloroBiphenyls 1560 DecachloroBiphenyls 745 TotalPCBs 63600 Results reported on a dry weight basis ND = Not Detected Page 53 of 97Report No.....10431169_1668_209_DFR Page 81 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62337P180528B_02 P180528B01 10.0 g 23.513.1 gBAL P180528B_12 92384453008 ABF-SB057-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/29/2018 04:2305/16/2018 15:10 05/15/2018 09:30 05/09/2018 13:05 NASolid Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 3.19 2.010.107 0.928 4613C-4-MoCB 3 3.24 2.013.031 1.11 5613C-2,2'-DiCB 4 1.50 2.013.342 0.988 4913C-4,4'-DiCB 15 1.36 2.020.709 1.36 6813C-2,2',6-TrCB 19 1.09 2.017.282 1.22 6113C-3,4,4'-TrCB 37 1.05 2.028.511 1.52 7613C-2,2',6,6'-TeCB 54 0.82 2.021.031 1.15 5813C-3,4,4',5-TeCB 81 0.84 2.035.660 1.45 7213C-3,3',4,4'-TeCB 77 0.83 2.036.248 1.57 7813C-2,2',4,6,6'-PeCB 104 1.55 2.027.102 1.21 6013C-2,3,3',4,4'-PeCB 105 1.69 2.039.841 1.52 7613C-2,3,4,4',5-PeCB 114 1.65 2.039.187 1.51 7613C-2,3',4,4',5-PeCB 118 1.60 2.038.617 1.47 7313C-2,3',4,4',5'-PeCB 123 1.55 2.038.282 1.46 7313C-3,3',4,4',5-PeCB 126 1.60 2.043.028 1.55 7713C-2,2',4,4',6,6'-HxCB 155 1.24 2.033.145 1.20 6013C-HxCB(156/157)156/157 1.32 4.046.085 2.54 6313C-2,3',4,4',5,5'-HxCB 167 1.31 2.044.895 1.40 7013C-3,3',4,4',5,5'-HxCB 169 1.31 2.049.406 1.41 7013C-2,2',3,4',5,6,6'-HpCB 188 1.04 2.039.087 1.33 6613C-2,3,3',4,4',5,5'-HpCB 189 1.11 2.051.792 1.51 7513C-2,2',3,3',5,5',6,6'-OcCB 202 0.94 2.044.593 1.24 6213C-2,3,3',4,4',5,5',6-OcCB 205 0.83 2.053.818 1.36 6813C-2,2',3,3',4,4',5,5',6-NoCB 206 0.89 2.055.327 1.21 6113C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.76 2.051.318 1.26 6313C--DeCB 209 0.73 2.056.879 1.27 63 CleanupStandards13C-2,4,4'-TrCB 28 1.16 2.024.066 1.59 7913C-2,3,3',5,5'-PeCB 111 1.53 2.036.214 1.28 6413C-2,2',3,3',5,5',6-HpCB 178 1.09 2.042.223 1.26 63 Recovery Standards13C-2,5-DiCB 9 1.60 2.015.869 NA NA13C-2,2',5,5'-TeCB 52 0.82 2.026.079 NA NA13C-2,2',4,5,5'-PeCB 101 1.50 2.033.430 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.35 2.041.804 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.92 2.053.409 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonadryweightbasis Page 54 of 97Report No.....10431169_1668_209_DFR Page 82 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12Lab Sample ID 92384453008 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.92---ND------24.932.80 32.413.055 ---24.9 4 ---ND------24.95---ND------24.96---ND------24.97---ND------24.981.71 29.716.947 ---24.9 9 ---ND------24.910---ND------24.911---ND------244 12 12/13 ---ND------49.91312/13 ---ND------49.914---ND------24.9 15 1.55 15620.709 ---32.916---ND------24.917---ND------24.91818/30 ---ND------49.919---ND------24.92020/28 ---ND------1292121/33 ---ND------13522---ND------94.8 23 ---ND------24.924---ND------24.925---ND------24.9 26 26/29 ---ND------49.927---ND------24.92820/28 ---ND------129 29 26/29 ---ND------49.93018/30 ---ND------49.931---ND------13032---ND------24.93321/33 ---ND------135 34 ---ND------24.935---ND------24.936---ND------24.9 37 0.98 10328.527 ---52.938---ND------24.939---ND------24.9 40 40/41/71 ---ND------1504140/41/71 ---ND------15042---ND------49.94343/73 ---ND------49.94444/47/65 ---ND------1504545/51 ---ND------99.846---ND------49.94744/47/65 ---ND------150 48 ---ND------49.9 Page 55 of 97Report No.....10431169_1668_209_DFR Page 83 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12Lab Sample ID 92384453008 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 49 49/69 ---ND------99.85050/53 ---ND------99.85145/51 ---ND------99.8 52 ---ND------1545350/53 ---ND------99.854---ND------49.955---ND------49.9560.86 60.632.340 ---49.9 57 ---ND------49.958---ND------49.95959/62/75 ---ND------150 60 ---ND------49.96161/70/74/76 0.79 27531.300 ---2006259/62/75 ---ND------150 63 ---ND------49.9640.76 64.728.561 ---49.96544/47/65 ---ND------150660.78 14231.669 ---83.867---ND------49.968---ND------49.96949/69 ---ND------99.87061/70/74/76 0.79 (275)31.300 ---200 71 40/41/71 ---ND------15072---ND------49.97343/73 ---ND------49.9 74 61/70/74/76 0.79 (275)31.300 ---2007559/62/75 ---ND------1507661/70/74/76 0.79 (275)31.300 ---200 77 0.79 77.136.281 ---49.978---ND------49.979---ND------49.980---ND------49.981---ND------49.9 82 1.53 54.935.879 ---49.983---ND------49.9841.61 90.231.535 ---49.9 85 85/116/117 1.78 82135.359 ---1508686/87/97/108/119/125 1.54 30234.704 ---2998786/87/97/108/119/125 1.54 (302)34.704 ---299 88 88/91 1.64 17131.283 ---99.889---ND------49.99090/101/113 1.54 53633.463 ---1509188/91 1.64 (171)31.283 ---99.8921.49 13032.843 ---49.99393/98/100/102 ---ND------20094---ND------49.9951.57 45130.344 ---94.8 96 ---ND------49.9 Page 56 of 97Report No.....10431169_1668_209_DFR Page 84 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12Lab Sample ID 92384453008 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 97 86/87/97/108/119/125 1.54 (302)34.704 ---2999893/98/100/102 ---ND------200991.65 40234.067 ---49.9 100 93/98/100/102 ---ND------20010190/101/113 1.54 (536)33.463 ---15010293/98/100/102 ---ND------200103---ND------49.9104---ND------49.9 105 1.61 43639.892 ---49.9106---ND------49.9107107/124 ---ND------99.8 108 86/87/97/108/119/125 1.54 (302)34.704 ---2991091.59 76.638.181 ---49.9110110/115 1.57 124035.526 ---99.8 111 ---ND------49.9112---ND------49.911390/101/113 1.54 (536)33.463 ---150114---ND------49.9115110/115 1.57 (1240)35.526 ---99.811685/116/117 1.78 (821)35.359 ---15011785/116/117 1.78 (821)35.359 ---1501181.57 71738.634 ---63.9 119 86/87/97/108/119/125 1.54 (302)34.704 ---299120---ND------49.9121---ND------49.9 122 ---ND------49.91231.60 69.038.299 ---49.9124107/124 ---ND------99.8 125 86/87/97/108/119/125 1.54 (302)34.704 ---299126---ND------49.9127---ND------49.9128128/166 1.18 110043.162 ---99.8129129/138/163 1.25 917041.837 ---150 130 1.27 36241.166 ---49.9131---ND------49.91321.26 119038.751 ---49.9 133 1.29 11739.221 ---49.9134134/143 1.14 13537.645 ---99.8135135/151 1.25 279036.449 ---99.8 136 1.22 32134.000 ---49.91371.06 12041.384 ---49.9138129/138/163 1.25 (9170)41.837 ---150139139/140 ---ND------99.8140139/140 ---ND------99.81411.25 141040.747 ---49.9142---ND------49.9143134/143 1.14 (135)37.645 ---99.8 144 1.21 23837.052 ---49.9 Page 57 of 97Report No.....10431169_1668_209_DFR Page 85 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12Lab Sample ID 92384453008 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 145 ---ND------49.91461.25 148039.892 ---49.9147147/149 1.22 457037.426 ---99.8 148 ---ND------49.9149147/149 1.22 (4570)37.426 ---99.8150---ND------49.9151135/151 1.25 (2790)36.449 ---99.8152---ND------49.9 153 153/168 1.24 853040.529 ---99.8154---ND------49.9155---ND------49.9 156 156/157 1.29 42746.085 ---99.8157156/157 1.29 (427)46.085 ---99.81581.20 69042.239 ---49.9 159 1.11 20144.073 ---49.9160---ND------49.9161---ND------49.9162---ND------49.9163129/138/163 1.25 (9170)41.837 ---1501641.20 77341.518 ---49.9165---ND------49.9166128/166 1.18 (1100)43.162 ---99.8 167 1.26 33944.928 ---49.9168153/168 1.24 (8530)40.529 ---99.8169---ND------49.9 170 1.03 505048.785 ---49.9171171/173 1.07 149045.197 ---99.81721.02 92746.806 ---49.9 173 171/173 1.07 (1490)45.197 ---99.81741.05 522044.073 ---49.91751.05 19742.910 ---49.91761.02 46240.395 ---49.91771.03 320044.542 ---49.9 178 1.03 124042.256 ---49.91791.05 187039.489 ---49.9180180/193 1.04 1210047.477 ---99.8 181 ---ND------49.9182---ND------49.9183183/185 1.07 280043.821 ---99.8 184 ---ND------49.9185183/185 1.07 (2800)43.821 ---99.8186---ND------49.91871.05 686043.195 ---49.9188---ND------49.91891.05 20151.814 ---49.91901.02 106049.322 ---49.91911.05 19547.829 ---49.9 192 ---ND------49.9 Page 58 of 97Report No.....10431169_1668_209_DFR Page 86 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses Resultsreportedon a dryweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12Lab Sample ID 92384453008 Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 193 180/193 1.04 (12100)47.477 ---99.81940.91 306053.430 ---74.81950.88 140051.598 ---74.8 196 0.90 151050.110 ---74.8197197/200 0.93 53746.605 ---150198198/199 0.90 364049.456 ---150199198/199 0.90 (3640)49.456 ---150200197/200 0.93 (537)46.605 ---150 201 0.85 37645.566 ---74.82020.92 71644.610 ---74.82030.90 226050.312 ---74.8 204 ---ND------74.82050.92 18553.840 ---74.82060.76 144055.349 ---74.8 207 0.79 17152.116 ---74.82080.76 39951.340 ---74.82090.70 104056.901 ---74.8 Page 59 of 97Report No.....10431169_1668_209_DFR Page 87 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-SB057-F002 P180528B_12 Sample Analysis Results Lab Sample ID 92384453008 Congener Group Concentration ng/Kg Total MonochloroBiphenyls 32.4 TotalDichloroBiphenyls 186 Total TrichloroBiphenyls 103 Total TetrachloroBiphenyls 619 TotalPentachloroBiphenyls 5500 TotalHexachloroBiphenyls 34000 TotalHeptachloroBiphenyls 42900 Total Octachloro Biphenyls 13700 TotalNonachloroBiphenyls 2010 DecachloroBiphenyls 1040 TotalPCBs 100000 Results reported on a dry weight basis ND = Not Detected Page 60 of 97Report No.....10431169_1668_209_DFR Page 88 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client - PACE Charlotte Client's Sample ID Lab Sample ID Filename Injected ByTotal Amount Extracted% Moisture Dry Weight Extracted ICAL ID CCal Filename(s)Method Blank ID BLANK-62423P180525B_02 P180525B01 NA NA1000 mLCVS P180525B_04 92384453009 ABF-EB001-F002 MatrixDilution Collected Received ExtractedAnalyzed 05/25/2018 17:1605/18/2018 13:10 05/15/2018 09:30 05/09/2018 14:30 NAWater Method 1668A Polychlorobiphenyl Sample Analysis Results PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio LabeledAnalytes13C-2-MoCB 1 2.72 2.010.143 0.861 4313C-4-MoCB 3 2.96 2.013.079 0.942 4713C-2,2'-DiCB 4 1.51 2.013.378 0.837 4213C-4,4'-DiCB 15 1.54 2.020.662 0.961 4813C-2,2',6-TrCB 19 0.88 2.017.307 0.816 4113C-3,4,4'-TrCB 37 1.14 2.028.543 0.998 5013C-2,2',6,6'-TeCB 54 0.80 2.020.979 0.718 3613C-3,4,4',5-TeCB 81 0.82 2.035.694 1.04 5213C-3,3',4,4'-TeCB 77 0.78 2.036.298 1.06 5313C-2,2',4,6,6'-PeCB 104 1.58 2.027.134 0.579 2913C-2,3,3',4,4'-PeCB 105 1.65 2.039.892 1.24 6213C-2,3,4,4',5-PeCB 114 1.60 2.039.204 1.17 5913C-2,3',4,4',5-PeCB 118 1.66 2.038.651 1.12 5613C-2,3',4,4',5'-PeCB 123 1.50 2.038.298 1.09 5513C-3,3',4,4',5-PeCB 126 1.49 2.043.062 1.16 5813C-2,2',4,4',6,6'-HxCB 155 1.27 2.033.178 0.695 3513C-HxCB(156/157)156/157 1.26 4.046.137 2.41 6013C-2,3',4,4',5,5'-HxCB 167 1.22 2.044.912 1.20 6013C-3,3',4,4',5,5'-HxCB 169 1.32 2.049.424 1.11 5513C-2,2',3,4',5,6,6'-HpCB 188 1.04 2.039.120 1.07 5313C-2,3,3',4,4',5,5'-HpCB 189 1.05 2.051.798 1.33 6713C-2,2',3,3',5,5',6,6'-OcCB 202 0.88 2.044.610 1.25 6213C-2,3,3',4,4',5,5',6-OcCB 205 0.91 2.053.825 1.21 6113C-2,2',3,3',4,4',5,5',6-NoCB 206 0.81 2.055.355 1.15 5813C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.79 2.051.346 1.34 6713C--DeCB 209 0.73 2.056.908 1.20 60 CleanupStandards13C-2,4,4'-TrCB 28 1.07 2.024.098 1.51 7613C-2,3,3',5,5'-PeCB 111 1.58 2.036.247 1.51 7513C-2,2',3,3',5,5',6-HpCB 178 1.03 2.042.257 1.59 80 Recovery Standards13C-2,5-DiCB 9 1.58 2.015.893 NA NA13C-2,2',5,5'-TeCB 52 0.82 2.026.111 NA NA13C-2,2',4,5,5'-PeCB 101 1.56 2.033.446 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.23 2.041.837 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.89 2.053.437 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Page 61 of 97Report No.....10431169_1668_209_DFR Page 89 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04Lab Sample ID 92384453009 Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 1 ---ND------0.2492---ND------0.2493---ND------0.249 4 ---ND------0.2495---ND------0.2496---ND------0.2497---ND------0.2498---ND------0.249 9 ---ND------0.24910---ND------0.24911---ND------2.44 12 12/13 ---ND------0.4981312/13 ---ND------0.49814---ND------0.249 15 ---ND------0.32916---ND------0.24917---ND------0.2491818/30 ---ND------0.49819---ND------0.2492020/28 ---ND------1.292121/33 ---ND------1.3522---ND------0.947 23 ---ND------0.24924---ND------0.24925---ND------0.249 26 26/29 ---ND------0.49827---ND------0.2492820/28 ---ND------1.29 29 26/29 ---ND------0.4983018/30 ---ND------0.49831---ND------1.3032---ND------0.2493321/33 ---ND------1.35 34 ---ND------0.24935---ND------0.24936---ND------0.249 37 ---ND------0.52838---ND------0.24939---ND------0.249 40 40/41/71 ---ND------1.504140/41/71 ---ND------1.5042---ND------0.4984343/73 ---ND------0.4984444/47/65 ---ND------1.504545/51 ---ND------0.99746---ND------0.4984744/47/65 ---ND------1.50 48 ---ND------0.498 Page 62 of 97Report No.....10431169_1668_209_DFR Page 90 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04Lab Sample ID 92384453009 Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 49 49/69 ---ND------0.9975050/53 ---ND------0.9975145/51 ---ND------0.997 52 ---ND------1.545350/53 ---ND------0.99754---ND------0.49855---ND------0.49856---ND------0.498 57 ---ND------0.49858---ND------0.4985959/62/75 ---ND------1.50 60 ---ND------0.4986161/70/74/76 ---ND------1.996259/62/75 ---ND------1.50 63 ---ND------0.49864---ND------0.4986544/47/65 ---ND------1.5066---ND------0.83767---ND------0.49868---ND------0.4986949/69 ---ND------0.9977061/70/74/76 ---ND------1.99 71 40/41/71 ---ND------1.5072---ND------0.4987343/73 ---ND------0.498 74 61/70/74/76 ---ND------1.997559/62/75 ---ND------1.507661/70/74/76 ---ND------1.99 77 ---ND------0.49878---ND------0.49879---ND------0.49880---ND------0.49881---ND------0.498 82 ---ND------0.49883---ND------0.49884---ND------0.498 85 85/116/117 ---ND------1.508686/87/97/108/119/125 ---ND------2.998786/87/97/108/119/125 ---ND------2.99 88 88/91 ---ND------0.99789---ND------0.4989090/101/113 ---ND------1.509188/91 ---ND------0.99792---ND------0.4989393/98/100/102 ---ND------1.9994---ND------0.49895---ND------0.947 96 ---ND------0.498 Page 63 of 97Report No.....10431169_1668_209_DFR Page 91 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04Lab Sample ID 92384453009 Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 97 86/87/97/108/119/125 ---ND------2.999893/98/100/102 ---ND------1.9999---ND------0.498 100 93/98/100/102 ---ND------1.9910190/101/113 ---ND------1.5010293/98/100/102 ---ND------1.99103---ND------0.498104---ND------0.498 105 ---ND------0.498106---ND------0.498107107/124 ---ND------0.997 108 86/87/97/108/119/125 ---ND------2.99109---ND------0.498110110/115 ---ND------0.997 111 ---ND------0.498112---ND------0.49811390/101/113 ---ND------1.50114---ND------0.498115110/115 ---ND------0.99711685/116/117 ---ND------1.5011785/116/117 ---ND------1.50118---ND------0.638 119 86/87/97/108/119/125 ---ND------2.99120---ND------0.498121---ND------0.498 122 ---ND------0.498123---ND------0.498124107/124 ---ND------0.997 125 86/87/97/108/119/125 ---ND------2.99126---ND------0.498127---ND------0.498128128/166 ---ND------0.997129129/138/163 ---ND------1.50 130 ---ND------0.498131---ND------0.498132---ND------0.498 133 ---ND------0.498134134/143 ---ND------0.997135135/151 ---ND------0.997 136 ---ND------0.498137---ND------0.498138129/138/163 ---ND------1.50139139/140 ---ND------0.997140139/140 ---ND------0.997141---ND------0.498142---ND------0.498143134/143 ---ND------0.997 144 ---ND------0.498 Page 64 of 97Report No.....10431169_1668_209_DFR Page 92 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04Lab Sample ID 92384453009 Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 145 ---ND------0.498146---ND------0.498147147/149 ---ND------0.997 148 ---ND------0.498149147/149 ---ND------0.997150---ND------0.498151135/151 ---ND------0.997152---ND------0.498 153 153/168 ---ND------0.997154---ND------0.498155---ND------0.498 156 156/157 ---ND------0.997157156/157 ---ND------0.997158---ND------0.498 159 ---ND------0.498160---ND------0.498161---ND------0.498162---ND------0.498163129/138/163 ---ND------1.50164---ND------0.498165---ND------0.498166128/166 ---ND------0.997 167 ---ND------0.498168153/168 ---ND------0.997169---ND------0.498 170 ---ND------0.498171171/173 ---ND------0.997172---ND------0.498 173 171/173 ---ND------0.997174---ND------0.498175---ND------0.498176---ND------0.498177---ND------0.498 178 ---ND------0.498179---ND------0.498180180/193 ---ND------0.997 181 ---ND------0.498182---ND------0.498183183/185 ---ND------0.997 184 ---ND------0.498185183/185 ---ND------0.997186---ND------0.498187---ND------0.498188---ND------0.498189---ND------0.498190---ND------0.498191---ND------0.498 192 ---ND------0.498 Page 65 of 97Report No.....10431169_1668_209_DFR Page 93 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Sample Analysis Results Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04Lab Sample ID 92384453009 Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 193 180/193 ---ND------0.997194---ND------0.748195---ND------0.748 196 ---ND------0.748197197/200 ---ND------1.50198198/199 ---ND------1.50199198/199 ---ND------1.50200197/200 ---ND------1.50 201 ---ND------0.748202---ND------0.748203---ND------0.748 204 ---ND------0.748205---ND------0.748206---ND------0.748 207 ---ND------0.748208---ND------0.748209---ND------0.748 Page 66 of 97Report No.....10431169_1668_209_DFR Page 94 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename ABF-EB001-F002 P180525B_04 Sample Analysis Results Lab Sample ID 92384453009 Congener Group Concentration ng/L Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls ND TotalHexachloroBiphenyls ND TotalHeptachloroBiphenyls ND Total Octachloro Biphenyls ND TotalNonachloroBiphenyls ND DecachloroBiphenyls ND Total PCBs ND ND = Not Detected Page 67 of 97Report No.....10431169_1668_209_DFR Page 95 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Lab Sample ID Injected ByFilename Total Amount Extracted ICAL ID CCal Filename(s) BLANK-62395 P180523B_06CVS10.6 g P180523B01 P180523B_02 MatrixExtracted Analyzed Solid05/17/2018 15:20 05/24/2018 02:42 Blank Analysis Results Dilution NA PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio Labeled Analytes13C-2-MoCB 1 2.66 2.010.119 0.886 4413C-4-MoCB 3 2.85 2.013.055 0.935 4713C-2,2'-DiCB 4 1.68 2.013.354 0.893 4513C-4,4'-DiCB 15 1.54 2.020.638 1.18 5913C-2,2',6-TrCB 19 1.11 2.017.271 1.02 5113C-3,4,4'-TrCB 37 1.14 2.028.510 1.20 6013C-2,2',6,6'-TeCB 54 0.78 2.020.962 1.01 51 13C-3,4,4',5-TeCB 81 0.83 2.035.661 1.12 5613C-3,3',4,4'-TeCB 77 0.82 2.036.315 1.19 5913C-2,2',4,6,6'-PeCB 104 1.61 2.027.101 1.05 5213C-2,3,3',4,4'-PeCB 105 1.70 2.039.843 1.08 5413C-2,3,4,4',5-PeCB 114 1.68 2.039.172 1.07 5313C-2,3',4,4',5-PeCB 118 1.61 2.038.602 1.11 5513C-2,3',4,4',5'-PeCB 123 1.54 2.038.266 1.15 5813C-3,3',4,4',5-PeCB 126 1.61 2.043.030 0.960 4813C-2,2',4,4',6,6'-HxCB 155 1.20 2.033.145 1.15 5813C-HxCB (156/157)156/157 1.30 4.046.088 2.00 5013C-2,3',4,4',5,5'-HxCB 167 1.27 2.044.880 1.04 5213C-3,3',4,4',5,5'-HxCB 169 1.28 2.049.375 0.835 4213C-2,2',3,4',5,6,6'-HpCB 188 1.07 2.039.088 1.51 7513C-2,3,3',4,4',5,5'-HpCB 189 1.03 2.051.778 1.16 5813C-2,2',3,3',5,5',6,6'-OcCB 202 0.88 2.044.578 1.38 6913C-2,3,3',4,4',5,5',6-OcCB 205 0.87 2.053.805 1.07 5313C-2,2',3,3',4,4',5,5',6-NoCB 206 0.89 2.055.292 1.07 5313C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.80 2.051.304 1.28 6413C--DeCB 209 0.73 2.056.866 1.03 51 Cleanup Standards13C-2,4,4'-TrCB 28 1.03 2.024.065 1.16 5813C-2,3,3',5,5'-PeCB 111 1.53 2.036.248 1.16 5813C-2,2',3,3',5,5',6-HpCB 178 1.03 2.042.224 1.24 62 Recovery Standards13C-2,5-DiCB 9 1.56 2.015.893 NA NA13C-2,2',5,5'-TeCB 52 0.77 2.026.061 NA NA13C-2,2',4,5,5'-PeCB 101 1.58 2.033.413 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.22 2.041.805 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.93 2.053.395 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonatotalweightbasis Page 68 of 97Report No.....10431169_1668_209_DFR Page 96 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62395 P180523B_06 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------23.62---ND------23.63---ND------23.64---ND------23.65---ND------23.66---ND------23.67---ND------23.68---ND------23.69---ND------23.610---ND------23.611---ND------2311212/13 ---ND------47.21312/13 ---ND------47.214---ND------23.615---ND------23.616---ND------23.617---ND------23.61818/30 ---ND------47.2 19 ---ND------23.62020/28 ---ND------1222121/33 ---ND------12722---ND------89.623---ND------23.624---ND------23.625---ND------23.62626/29 ---ND------47.227---ND------23.62820/28 ---ND------1222926/29 ---ND------47.23018/30 ---ND------47.231---ND------12332---ND------23.63321/33 ---ND------12734---ND------23.635---ND------23.636---ND------23.637---ND------50.038---ND------23.639---ND------23.64040/41/71 ---ND------1424140/41/71 ---ND------14242---ND------47.24343/73 ---ND------47.2 44 44/47/65 ---ND------1424545/51 ---ND------94.3 Page 69 of 97Report No.....10431169_1668_209_DFR Page 97 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62395 P180523B_06 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 46 ---ND------47.24744/47/65 ---ND------14248---ND------47.24949/69 ---ND------94.35050/53 ---ND------94.35145/51 ---ND------94.352---ND------1455350/53 ---ND------94.354---ND------47.255---ND------47.256---ND------47.257---ND------47.258---ND------47.25959/62/75 ---ND------14260---ND------47.26161/70/74/76 ---ND------1896259/62/75 ---ND------14263---ND------47.2 64 ---ND------47.26544/47/65 ---ND------14266---ND------79.267---ND------47.268---ND------47.26949/69 ---ND------94.37061/70/74/76 ---ND------1897140/41/71 ---ND------14272---ND------47.27343/73 ---ND------47.27461/70/74/76 ---ND------1897559/62/75 ---ND------1427661/70/74/76 ---ND------18977---ND------47.278---ND------47.279---ND------47.280---ND------47.281---ND------47.282---ND------47.283---ND------47.284---ND------47.28585/116/117 ---ND------1428686/87/97/108/119/125 ---ND------2838786/87/97/108/119/125 ---ND------2838888/91 ---ND------94.3 89 ---ND------47.29090/101/113 ---ND------142 Page 70 of 97Report No.....10431169_1668_209_DFR Page 98 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62395 P180523B_06 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 91 88/91 ---ND------94.392---ND------47.29393/98/100/102 ---ND------18994---ND------47.295---ND------89.696---ND------47.29786/87/97/108/119/125 ---ND------2839893/98/100/102 ---ND------18999---ND------47.210093/98/100/102 ---ND------18910190/101/113 ---ND------14210293/98/100/102 ---ND------189103---ND------47.2104---ND------47.2105---ND------47.2106---ND------47.2107107/124 ---ND------94.310886/87/97/108/119/125 ---ND------283 109 ---ND------47.2110110/115 ---ND------94.3111---ND------47.2112---ND------47.211390/101/113 ---ND------142114---ND------47.2115110/115 ---ND------94.311685/116/117 ---ND------14211785/116/117 ---ND------142118---ND------60.411986/87/97/108/119/125 ---ND------283120---ND------47.2121---ND------47.2122---ND------47.2123---ND------47.2124107/124 ---ND------94.312586/87/97/108/119/125 ---ND------283126---ND------47.2127---ND------47.2128128/166 ---ND------94.3129129/138/163 ---ND------142130---ND------47.2131---ND------47.2132---ND------47.2133---ND------47.2 134 134/143 ---ND------94.3135135/151 ---ND------94.3 Page 71 of 97Report No.....10431169_1668_209_DFR Page 99 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62395 P180523B_06 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 136 ---ND------47.2137---ND------47.2138129/138/163 ---ND------142139139/140 ---ND------94.3140139/140 ---ND------94.3141---ND------47.2142---ND------47.2143134/143 ---ND------94.3144---ND------47.2145---ND------47.2146---ND------47.2147147/149 ---ND------94.3148---ND------47.2149147/149 ---ND------94.3150---ND------47.2151135/151 ---ND------94.3152---ND------47.2153153/168 ---ND------94.3 154 ---ND------47.2155---ND------47.2156156/157 ---ND------94.3157156/157 ---ND------94.3158---ND------47.2159---ND------47.2160---ND------47.2161---ND------47.2162---ND------47.2163129/138/163 ---ND------142164---ND------47.2165---ND------47.2166128/166 ---ND------94.3167---ND------47.2168153/168 ---ND------94.3169---ND------47.2170---ND------47.2171171/173 ---ND------94.3172---ND------47.2173171/173 ---ND------94.3174---ND------47.2175---ND------47.2176---ND------47.2177---ND------47.2178---ND------47.2 179 ---ND------47.2180180/193 ---ND------94.3 Page 72 of 97Report No.....10431169_1668_209_DFR Page 100 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62395 P180523B_06 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 181 ---ND------47.2182---ND------47.2183183/185 ---ND------94.3184---ND------47.2185183/185 ---ND------94.3186---ND------47.2187---ND------47.2188---ND------47.2189---ND------47.2190---ND------47.2191---ND------47.2192---ND------47.2193180/193 ---ND------94.3194---ND------70.8195---ND------70.8196---ND------70.8197197/200 ---ND------142198198/199 ---ND------142 199 198/199 ---ND------142200197/200 ---ND------142201---ND------70.8202---ND------70.8203---ND------70.8204---ND------70.8205---ND------70.8206---ND------70.8207---ND------70.8208---ND------70.8209---ND------70.8 Page 73 of 97Report No.....10431169_1668_209_DFR Page 101 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename CBLKFB P180523B_06 Blank Analysis Results Lab Sample ID BLANK-62395 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls ND TotalHexachloroBiphenyls ND TotalHeptachloroBiphenyls ND Total Octachloro Biphenyls ND TotalNonachloroBiphenyls ND DecachloroBiphenyls ND TotalPCBs ND Results reported on a total weight basis ND = Not Detected Page 74 of 97Report No.....10431169_1668_209_DFR Page 102 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Lab Sample ID Injected ByFilename Total Amount Extracted ICAL ID CCal Filename(s) BLANK-62337 P180525A_08CVS10.3 g P180525A01 P180525A_02 MatrixExtracted Analyzed Solid05/16/2018 15:10 05/25/2018 07:26 Blank Analysis Results Dilution NA PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio Labeled Analytes13C-2-MoCB 1 2.69 2.010.143 1.09 5513C-4-MoCB 3 3.60 2.013.103 1.05 5213C-2,2'-DiCB 4 1.62 2.013.403 1.01 5013C-4,4'-DiCB 15 1.61 2.020.687 1.25 6313C-2,2',6-TrCB 19 0.99 2.017.379 1.16 5813C-3,4,4'-TrCB 37 1.10 2.028.544 1.24 6213C-2,2',6,6'-TeCB 54 0.83 2.020.996 1.06 53 13C-3,4,4',5-TeCB 81 0.78 2.035.694 0.933 4713C-3,3',4,4'-TeCB 77 0.82 2.036.432 1.21 6113C-2,2',4,6,6'-PeCB 104 1.54 2.027.135 1.11 5613C-2,3,3',4,4'-PeCB 105 1.62 2.039.893 1.24 6213C-2,3,4,4',5-PeCB 114 1.69 2.039.205 1.30 6513C-2,3',4,4',5-PeCB 118 1.52 2.038.634 1.28 6413C-2,3',4,4',5'-PeCB 123 1.56 2.038.316 1.30 6513C-3,3',4,4',5-PeCB 126 1.60 2.043.063 1.20 6013C-2,2',4,4',6,6'-HxCB 155 1.23 2.033.178 1.14 5713C-HxCB (156/157)156/157 1.26 4.046.120 2.44 6113C-2,3',4,4',5,5'-HxCB 167 1.27 2.044.913 1.29 6413C-3,3',4,4',5,5'-HxCB 169 1.27 2.049.408 1.12 5613C-2,2',3,4',5,6,6'-HpCB 188 1.06 2.039.121 1.30 6513C-2,3,3',4,4',5,5'-HpCB 189 1.12 2.051.799 1.33 6713C-2,2',3,3',5,5',6,6'-OcCB 202 0.86 2.044.611 1.32 6613C-2,3,3',4,4',5,5',6-OcCB 205 0.88 2.053.825 1.16 5813C-2,2',3,3',4,4',5,5',6-NoCB 206 0.76 2.055.334 1.04 5213C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.78 2.051.346 1.18 5913C--DeCB 209 0.75 2.056.887 1.04 52 Cleanup Standards13C-2,4,4'-TrCB 28 1.04 2.024.099 1.40 7013C-2,3,3',5,5'-PeCB 111 1.53 2.036.348 1.27 6413C-2,2',3,3',5,5',6-HpCB 178 1.11 2.042.257 1.29 65 Recovery Standards13C-2,5-DiCB 9 1.63 2.016.109 NA NA13C-2,2',5,5'-TeCB 52 0.78 2.026.095 NA NA13C-2,2',4,5,5'-PeCB 101 1.51 2.033.430 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.28 2.041.838 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.91 2.053.416 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = NanogramsResultsreportedonatotalweightbasis Page 75 of 97Report No.....10431169_1668_209_DFR Page 103 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62337 P180525A_08 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 1 ---ND------24.32---ND------24.33---ND------24.34---ND------24.35---ND------24.36---ND------24.37---ND------24.38---ND------24.39---ND------24.310---ND------24.311---ND------2381212/13 ---ND------48.51312/13 ---ND------48.514---ND------24.315---ND------24.316---ND------24.317---ND------24.31818/30 ---ND------48.5 19 ---ND------24.32020/28 ---ND------1252121/33 ---ND------13122---ND------92.223---ND------24.324---ND------24.325---ND------24.32626/29 ---ND------48.527---ND------24.32820/28 ---ND------1252926/29 ---ND------48.53018/30 ---ND------48.531---ND------12632---ND------24.33321/33 ---ND------13134---ND------24.335---ND------24.336---ND------24.337---ND------51.538---ND------24.339---ND------24.34040/41/71 ---ND------1464140/41/71 ---ND------14642---ND------48.54343/73 ---ND------48.5 44 44/47/65 ---ND------1464545/51 ---ND------97.1 Page 76 of 97Report No.....10431169_1668_209_DFR Page 104 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62337 P180525A_08 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 46 ---ND------48.54744/47/65 ---ND------14648---ND------48.54949/69 ---ND------97.15050/53 ---ND------97.15145/51 ---ND------97.152---ND------1505350/53 ---ND------97.154---ND------48.555---ND------48.556---ND------48.557---ND------48.558---ND------48.55959/62/75 ---ND------14660---ND------48.56161/70/74/76 ---ND------1946259/62/75 ---ND------14663---ND------48.5 64 ---ND------48.56544/47/65 ---ND------14666---ND------81.667---ND------48.568---ND------48.56949/69 ---ND------97.17061/70/74/76 ---ND------1947140/41/71 ---ND------14672---ND------48.57343/73 ---ND------48.57461/70/74/76 ---ND------1947559/62/75 ---ND------1467661/70/74/76 ---ND------19477---ND------48.578---ND------48.579---ND------48.580---ND------48.581---ND------48.582---ND------48.583---ND------48.584---ND------48.58585/116/117 ---ND------1468686/87/97/108/119/125 ---ND------2918786/87/97/108/119/125 ---ND------2918888/91 ---ND------97.1 89 ---ND------48.59090/101/113 ---ND------146 Page 77 of 97Report No.....10431169_1668_209_DFR Page 105 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62337 P180525A_08 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 91 88/91 ---ND------97.192---ND------48.59393/98/100/102 ---ND------19494---ND------48.595---ND------92.296---ND------48.59786/87/97/108/119/125 ---ND------2919893/98/100/102 ---ND------19499---ND------48.510093/98/100/102 ---ND------19410190/101/113 ---ND------14610293/98/100/102 ---ND------194103---ND------48.5104---ND------48.5105---ND------48.5106---ND------48.5107107/124 ---ND------97.110886/87/97/108/119/125 ---ND------291 109 ---ND------48.5110110/115 ---ND------97.1111---ND------48.5112---ND------48.511390/101/113 ---ND------146114---ND------48.5115110/115 ---ND------97.111685/116/117 ---ND------14611785/116/117 ---ND------146118---ND------62.111986/87/97/108/119/125 ---ND------291120---ND------48.5121---ND------48.5122---ND------48.5123---ND------48.5124107/124 ---ND------97.112586/87/97/108/119/125 ---ND------291126---ND------48.5127---ND------48.5128128/166 ---ND------97.1129129/138/163 ---ND------146130---ND------48.5131---ND------48.5132---ND------48.5133---ND------48.5 134 134/143 ---ND------97.1135135/151 ---ND------97.1 Page 78 of 97Report No.....10431169_1668_209_DFR Page 106 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62337 P180525A_08 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 136 ---ND------48.5137---ND------48.5138129/138/163 ---ND------146139139/140 ---ND------97.1140139/140 ---ND------97.1141---ND------48.5142---ND------48.5143134/143 ---ND------97.1144---ND------48.5145---ND------48.5146---ND------48.5147147/149 ---ND------97.1148---ND------48.5149147/149 ---ND------97.1150---ND------48.5151135/151 ---ND------97.1152---ND------48.5153153/168 ---ND------97.1 154 ---ND------48.5155---ND------48.5156156/157 ---ND------97.1157156/157 ---ND------97.1158---ND------48.5159---ND------48.5160---ND------48.5161---ND------48.5162---ND------48.5163129/138/163 ---ND------146164---ND------48.5165---ND------48.5166128/166 ---ND------97.1167---ND------48.5168153/168 ---ND------97.1169---ND------48.5170---ND------48.5171171/173 ---ND------97.1172---ND------48.5173171/173 ---ND------97.1174---ND------48.5175---ND------48.5176---ND------48.5177---ND------48.5178---ND------48.5 179 ---ND------48.5180180/193 ---ND------97.1 Page 79 of 97Report No.....10431169_1668_209_DFR Page 107 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter Resultsreported ona totalweight basis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62337 P180525A_08 Blank Analysis Results Co-elutions RT ng/Kg EMLEMPCConcentration ng/KgIUPACRatio ng/Kg 181 ---ND------48.5182---ND------48.5183183/185 ---ND------97.1184---ND------48.5185183/185 ---ND------97.1186---ND------48.5187---ND------48.5188---ND------48.5189---ND------48.5190---ND------48.5191---ND------48.5192---ND------48.5193180/193 ---ND------97.1194---ND------72.8195---ND------72.8196---ND------72.8197197/200 ---ND------146198198/199 ---ND------146 199 198/199 ---ND------146200197/200 ---ND------146201---ND------72.8202---ND------72.8203---ND------72.8204---ND------72.8205---ND------72.8206---ND------72.8207---ND------72.8208---ND------72.8209---ND------72.8 Page 80 of 97Report No.....10431169_1668_209_DFR Page 108 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename CBLKEF P180525A_08 Blank Analysis Results Lab Sample ID BLANK-62337 Congener Group Concentration ng/Kg Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls ND TotalHexachloroBiphenyls ND TotalHeptachloroBiphenyls ND Total Octachloro Biphenyls ND TotalNonachloroBiphenyls ND DecachloroBiphenyls ND TotalPCBs ND Results reported on a total weight basis ND = Not Detected Page 81 of 97Report No.....10431169_1668_209_DFR Page 109 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Lab Sample ID Injected ByFilename Total Amount Extracted ICAL ID CCal Filename(s) BLANK-62423 P180527A_06CVS907 mL P180527A01 P180527A_02 MatrixExtracted Analyzed Water05/18/2018 13:10 05/27/2018 06:39 Blank Analysis Results Dilution NA PCB Isomer RT % Recoveryng's Foundng's AddedIUPACRatio Labeled Analytes13C-2-MoCB 1 3.36 2.010.119 0.942 4713C-4-MoCB 3 3.12 2.013.043 1.17 5813C-2,2'-DiCB 4 1.60 2.013.342 1.02 5113C-4,4'-DiCB 15 1.56 2.020.614 1.35 6813C-2,2',6-TrCB 19 1.07 2.017.271 1.07 5413C-3,4,4'-TrCB 37 1.12 2.028.508 1.65 8213C-2,2',6,6'-TeCB 54 0.80 2.020.945 1.28 64 13C-3,4,4',5-TeCB 81 0.81 2.035.657 1.60 8013C-3,3',4,4'-TeCB 77 0.82 2.036.261 1.58 7913C-2,2',4,6,6'-PeCB 104 1.51 2.027.099 1.19 5913C-2,3,3',4,4'-PeCB 105 1.58 2.039.854 1.82 9113C-2,3,4,4',5-PeCB 114 1.60 2.039.167 1.82 9113C-2,3',4,4',5-PeCB 118 1.67 2.038.613 1.80 9013C-2,3',4,4',5'-PeCB 123 1.58 2.038.261 1.79 9013C-3,3',4,4',5-PeCB 126 1.67 2.043.041 1.60 8013C-2,2',4,4',6,6'-HxCB 155 1.26 2.033.141 1.22 6113C-HxCB (156/157)156/157 1.27 4.046.098 3.11 7813C-2,3',4,4',5,5'-HxCB 167 1.27 2.044.874 1.61 8013C-3,3',4,4',5,5'-HxCB 169 1.22 2.049.401 1.38 6913C-2,2',3,4',5,6,6'-HpCB 188 1.03 2.039.083 1.70 8513C-2,3,3',4,4',5,5'-HpCB 189 1.06 2.051.766 1.83 9213C-2,2',3,3',5,5',6,6'-OcCB 202 0.89 2.044.572 1.55 7713C-2,3,3',4,4',5,5',6-OcCB 205 0.91 2.053.792 1.72 8613C-2,2',3,3',4,4',5,5',6-NoCB 206 0.82 2.055.301 1.45 7213C-2,2',3,3',4,5,5',6,6'-NoCB 208 0.79 2.051.313 1.58 7913C--DeCB 209 0.68 2.056.874 1.37 69 Cleanup Standards13C-2,4,4'-TrCB 28 1.02 2.024.064 1.87 9313C-2,3,3',5,5'-PeCB 111 1.59 2.036.210 1.56 7813C-2,2',3,3',5,5',6-HpCB 178 1.03 2.042.219 1.39 70 Recovery Standards13C-2,5-DiCB 9 1.61 2.015.868 NA NA13C-2,2',5,5'-TeCB 52 0.82 2.026.059 NA NA13C-2,2',4,5,5'-PeCB 101 1.60 2.033.410 NA NA13C-2,2',3,4,4',5'-HxCB 138 1.22 2.041.800 NA NA13C-2,2',3,3',4,4',5,5'-OcCB 194 0.91 2.053.404 NA NA Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits Nn =Value obtained from additional analyses ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference ng's = Nanograms Page 82 of 97Report No.....10431169_1668_209_DFR Page 110 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62423 P180527A_06 Blank Analysis Results Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 1 ---ND------0.2762---ND------0.2763---ND------0.2764---ND------0.2765---ND------0.2766---ND------0.2767---ND------0.2768---ND------0.2769---ND------0.27610---ND------0.27611---ND------2.701212/13 ---ND------0.5511312/13 ---ND------0.55114---ND------0.27615---ND------0.27616---ND------0.27617---ND------0.2761818/30 ---ND------0.551 19 ---ND------0.2762020/28 ---ND------1.422121/33 ---ND------1.4922---ND------1.0523---ND------0.27624---ND------0.27625---ND------0.2762626/29 ---ND------0.55127---ND------0.2762820/28 ---ND------1.422926/29 ---ND------0.5513018/30 ---ND------0.55131---ND------1.4332---ND------0.2763321/33 ---ND------1.4934---ND------0.27635---ND------0.27636---ND------0.27637---ND------0.58438---ND------0.27639---ND------0.2764040/41/71 ---ND------1.654140/41/71 ---ND------1.6542---ND------0.5514343/73 ---ND------0.551 44 44/47/65 ---ND------1.654545/51 ---ND------1.10 Page 83 of 97Report No.....10431169_1668_209_DFR Page 111 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62423 P180527A_06 Blank Analysis Results Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 46 ---ND------0.5514744/47/65 ---ND------1.6548---ND------0.5514949/69 ---ND------1.105050/53 ---ND------1.105145/51 ---ND------1.1052---ND------1.705350/53 ---ND------1.1054---ND------0.55155---ND------0.55156---ND------0.55157---ND------0.55158---ND------0.5515959/62/75 ---ND------1.6560---ND------0.5516161/70/74/76 ---ND------2.206259/62/75 ---ND------1.6563---ND------0.551 64 ---ND------0.5516544/47/65 ---ND------1.6566---ND------0.92667---ND------0.55168---ND------0.5516949/69 ---ND------1.107061/70/74/76 ---ND------2.207140/41/71 ---ND------1.6572---ND------0.5517343/73 ---ND------0.5517461/70/74/76 ---ND------2.207559/62/75 ---ND------1.657661/70/74/76 ---ND------2.2077---ND------0.55178---ND------0.55179---ND------0.55180---ND------0.55181---ND------0.55182---ND------0.55183---ND------0.55184---ND------0.5518585/116/117 ---ND------1.658686/87/97/108/119/125 ---ND------3.318786/87/97/108/119/125 ---ND------3.318888/91 ---ND------1.10 89 ---ND------0.5519090/101/113 ---ND------1.65 Page 84 of 97Report No.....10431169_1668_209_DFR Page 112 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62423 P180527A_06 Blank Analysis Results Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 91 88/91 ---ND------1.1092---ND------0.5519393/98/100/102 ---ND------2.2094---ND------0.55195---ND------1.0596---ND------0.5519786/87/97/108/119/125 ---ND------3.319893/98/100/102 ---ND------2.2099---ND------0.55110093/98/100/102 ---ND------2.2010190/101/113 ---ND------1.6510293/98/100/102 ---ND------2.20103---ND------0.551104---ND------0.551105---ND------0.551106---ND------0.551107107/124 ---ND------1.1010886/87/97/108/119/125 ---ND------3.31 109 ---ND------0.551110110/115 ---ND------1.10111---ND------0.551112---ND------0.55111390/101/113 ---ND------1.65114---ND------0.551115110/115 ---ND------1.1011685/116/117 ---ND------1.6511785/116/117 ---ND------1.65118---ND------0.70511986/87/97/108/119/125 ---ND------3.31120---ND------0.551121---ND------0.551122---ND------0.551123---ND------0.551124107/124 ---ND------1.1012586/87/97/108/119/125 ---ND------3.31126---ND------0.551127---ND------0.551128128/166 ---ND------1.10129129/138/163 ---ND------1.65130---ND------0.551131---ND------0.551132---ND------0.551133---ND------0.551 134 134/143 ---ND------1.10135135/151 ---ND------1.10 Page 85 of 97Report No.....10431169_1668_209_DFR Page 113 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62423 P180527A_06 Blank Analysis Results Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 136 ---ND------0.551137---ND------0.551138129/138/163 ---ND------1.65139139/140 ---ND------1.10140139/140 ---ND------1.10141---ND------0.551142---ND------0.551143134/143 ---ND------1.10144---ND------0.551145---ND------0.551146---ND------0.551147147/149 ---ND------1.10148---ND------0.551149147/149 ---ND------1.10150---ND------0.551151135/151 ---ND------1.10152---ND------0.551153153/168 ---ND------1.10 154 ---ND------0.551155---ND------0.551156156/157 ---ND------1.10157156/157 ---ND------1.10158---ND------0.551159---ND------0.551160---ND------0.551161---ND------0.551162---ND------0.551163129/138/163 ---ND------1.65164---ND------0.551165---ND------0.551166128/166 ---ND------1.10167---ND------0.551168153/168 ---ND------1.10169---ND------0.551170---ND------0.551171171/173 ---ND------1.10172---ND------0.551173171/173 ---ND------1.10174---ND------0.551175---ND------0.551176---ND------0.551177---ND------0.551178---ND------0.551 179 ---ND------0.551180180/193 ---ND------1.10 Page 86 of 97Report No.....10431169_1668_209_DFR Page 114 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Conc =Concentration EML =Method Specified Reporting Limit (1668A) EMPC = Estimated Maximum Possible Concentration A =Limit ofDetection based on signal to noise B = Less than 10 times higher than method blank level R =Recovery outside of Method 1668A control limits ng/L = Nanograms per liter ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion X = Outside QC Limits RT = Retention Time I=Interference Method 1668A Polychlorobiphenyl Lab Sample ID Filename BLANK-62423 P180527A_06 Blank Analysis Results Co-elutions RT ng/L EMLEMPCConcentration ng/LIUPACRatio ng/L 181 ---ND------0.551182---ND------0.551183183/185 ---ND------1.10184---ND------0.551185183/185 ---ND------1.10186---ND------0.551187---ND------0.551188---ND------0.551189---ND------0.551190---ND------0.551191---ND------0.551192---ND------0.551193180/193 ---ND------1.10194---ND------0.827195---ND------0.827196---ND------0.827197197/200 ---ND------1.65198198/199 ---ND------1.65 199 198/199 ---ND------1.65200197/200 ---ND------1.65201---ND------0.827202---ND------0.827203---ND------0.827204---ND------0.827205---ND------0.827206---ND------0.827207---ND------0.827208---ND------0.827209---ND------0.827 Page 87 of 97Report No.....10431169_1668_209_DFR Page 115 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyl Client Sample ID Filename CBLKFL P180527A_06 Blank Analysis Results Lab Sample ID BLANK-62423 Congener Group Concentration ng/L Total MonochloroBiphenyls ND TotalDichloroBiphenyls ND Total TrichloroBiphenyls ND Total TetrachloroBiphenyls ND TotalPentachloroBiphenyls ND TotalHexachloroBiphenyls ND TotalHeptachloroBiphenyls ND Total Octachloro Biphenyls ND TotalNonachloroBiphenyls ND DecachloroBiphenyls ND Total PCBs ND ND = Not Detected Page 88 of 97Report No.....10431169_1668_209_DFR Page 116 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCS-62396P180523B_03 CVS 10.2 g P180523B01 P180523B_02 MatrixDilution Extracted Analyzed Solid 05/17/2018 15:20 05/23/2018 23:40 NA Method Blank ID BLANK-62395 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 1.01 2.0 0.894 45101 3 1.0 1.08 2.0 0.952 4810841.0 1.05 2.0 0.954 48105151.0 0.991 2.0 1.26 6399 19 1.0 0.992 2.0 1.10 5599 37 1.0 0.925 2.0 1.38 6992 54 1.0 0.969 2.0 1.07 5497811.0 0.884 2.0 1.40 7088771.0 0.970 2.0 1.50 7597 104 1.0 1.01 2.0 1.08 54101 105 1.0 0.941 2.0 1.36 6894 114 1.0 0.997 2.0 1.31 661001181.0 1.01 2.0 1.26 631011231.0 0.955 2.0 1.36 6895 126 1.0 0.922 2.0 1.47 7492 155 1.0 0.986 2.0 1.10 5599 156/157 2.0 1.91 4.0 2.31 58951671.0 0.966 2.0 1.20 60971691.0 0.955 2.0 1.19 6096 188 1.0 1.01 2.0 1.29 64101 189 1.0 0.986 2.0 1.42 7199 202 1.0 1.05 2.0 1.25 631052051.0 0.970 2.0 1.34 67972061.0 1.11 2.0 1.19 60111 208 1.0 1.03 2.0 1.39 69103 209 1.0 1.01 2.0 1.27 64101 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 89 of 97Report No.....10431169_1668_209_DFR Page 117 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCS-62338P180525A_05 CVS 10.4 g P180525A01 P180525A_02 MatrixDilution Extracted Analyzed Solid 05/16/2018 15:10 05/25/2018 04:24 NA Method Blank ID BLANK-62337 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 0.980 2.0 1.15 5798 3 1.0 0.985 2.0 1.18 599841.0 1.03 2.0 1.09 55103151.0 1.000 2.0 1.43 71100 19 1.0 0.827 2.0 1.39 6983 37 1.0 0.918 2.0 1.45 7392 54 1.0 0.969 2.0 1.21 6197811.0 0.880 2.0 1.28 6488771.0 0.919 2.0 1.47 7392 104 1.0 1.02 2.0 1.25 62102 105 1.0 0.968 2.0 1.54 7797 114 1.0 0.922 2.0 1.53 77921181.0 0.971 2.0 1.52 76971231.0 0.901 2.0 1.62 8190 126 1.0 0.937 2.0 1.43 7194 155 1.0 0.959 2.0 1.24 6296 156/157 2.0 1.90 4.0 2.72 68951671.0 0.963 2.0 1.42 71961691.0 0.976 2.0 1.19 5998 188 1.0 0.958 2.0 1.62 8196 189 1.0 0.931 2.0 1.64 8293 202 1.0 1.02 2.0 1.52 761022051.0 1.01 2.0 1.43 721012061.0 1.09 2.0 1.27 64109 208 1.0 0.965 2.0 1.51 7696 209 1.0 0.913 2.0 1.36 6891 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 90 of 97Report No.....10431169_1668_209_DFR Page 118 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCS-62424P180527A_03 CVS 886 mL P180527A01 P180527A_02 MatrixDilution Extracted Analyzed Water 05/18/2018 13:10 05/27/2018 03:36 NA Method Blank ID BLANK-62423 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 1.04 2.0 1.03 52104 3 1.0 0.983 2.0 1.18 599841.0 1.03 2.0 1.02 51103151.0 0.974 2.0 1.35 6797 19 1.0 1.02 2.0 1.03 52102 37 1.0 0.923 2.0 1.46 7392 54 1.0 0.983 2.0 1.15 5798811.0 0.958 2.0 1.50 7596771.0 0.940 2.0 1.41 7194 104 1.0 0.990 2.0 1.15 5899 105 1.0 0.957 2.0 1.68 8496 114 1.0 0.965 2.0 1.67 84961181.0 0.984 2.0 1.67 84981231.0 0.974 2.0 1.65 8397 126 1.0 0.962 2.0 1.49 7596 155 1.0 0.972 2.0 1.17 5897 156/157 2.0 1.93 4.0 2.94 74961671.0 0.972 2.0 1.55 78971691.0 0.989 2.0 1.31 6699 188 1.0 0.953 2.0 1.54 7795 189 1.0 0.941 2.0 1.72 8694 202 1.0 1.06 2.0 1.38 691062051.0 0.973 2.0 1.58 79972061.0 1.08 2.0 1.28 64108 208 1.0 1.01 2.0 1.43 72101 209 1.0 0.942 2.0 1.29 6594 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 91 of 97Report No.....10431169_1668_209_DFR Page 119 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCSD-62397P180523B_04 CVS 10.4 g P180523B01 P180523B_02 MatrixDilution Extracted Analyzed Solid 05/17/2018 15:20 05/24/2018 00:40 NA Method Blank ID BLANK-62395 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 1.05 2.0 0.910 46105 3 1.0 1.07 2.0 0.997 5010741.0 1.12 2.0 0.981 49112151.0 1.02 2.0 1.22 61102 19 1.0 1.01 2.0 1.14 57101 37 1.0 1.01 2.0 1.25 62101 54 1.0 1.33 2.0 1.06 53133811.0 0.895 2.0 1.27 6390771.0 0.926 2.0 1.33 6693 104 1.0 1.16 2.0 1.15 58116 105 1.0 1.01 2.0 1.26 63101 114 1.0 0.964 2.0 1.26 63961181.0 1.08 2.0 1.26 631081231.0 1.03 2.0 1.30 65103 126 1.0 0.971 2.0 1.22 6197 155 1.0 1.01 2.0 1.25 62101 156/157 2.0 1.99 4.0 2.21 551001671.0 1.02 2.0 1.16 581021691.0 1.03 2.0 0.969 48103 188 1.0 1.08 2.0 1.57 78108 189 1.0 0.974 2.0 1.38 6997 202 1.0 1.11 2.0 1.49 741112051.0 1.02 2.0 1.36 681022061.0 1.20 2.0 1.25 63120 208 1.0 1.04 2.0 1.42 71104 209 1.0 0.933 2.0 1.30 6593 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 92 of 97Report No.....10431169_1668_209_DFR Page 120 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCSD-62339P180525A_06 CVS 10.0 g P180525A01 P180525A_02 MatrixDilution Extracted Analyzed Solid 05/16/2018 15:10 05/25/2018 05:25 NA Method Blank ID BLANK-62337 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 1.04 2.0 1.20 60104 3 1.0 1.05 2.0 1.19 5910541.0 1.14 2.0 1.17 58114151.0 1.04 2.0 1.43 72104 19 1.0 0.951 2.0 1.31 6595 37 1.0 0.956 2.0 1.50 7596 54 1.0 0.983 2.0 1.23 6298811.0 0.967 2.0 1.03 5297771.0 0.988 2.0 1.44 7299 104 1.0 1.06 2.0 1.24 62106 105 1.0 1.00 2.0 1.46 73100 114 1.0 0.982 2.0 1.43 72981181.0 1.11 2.0 1.45 721111231.0 1.00 2.0 1.45 73100 126 1.0 0.934 2.0 1.36 6893 155 1.0 0.967 2.0 1.30 6597 156/157 2.0 1.97 4.0 2.80 70991671.0 0.996 2.0 1.43 721001691.0 0.990 2.0 1.28 6499 188 1.0 1.01 2.0 1.50 75101 189 1.0 0.904 2.0 1.56 7890 202 1.0 1.10 2.0 1.44 721102051.0 1.01 2.0 1.38 691012061.0 1.02 2.0 1.22 61102 208 1.0 1.00 2.0 1.44 72100 209 1.0 1.02 2.0 1.21 61102 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 93 of 97Report No.....10431169_1668_209_DFR Page 121 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Method 1668A Polychlorobiphenyls Lab Sample ID Injected By FilenameTotal Amount Extracted ICAL ID CCal Filename(s) LCSD-62425P180527A_04 CVS 1050 mL P180527A01 P180527A_02 MatrixDilution Extracted Analyzed Water 05/18/2018 13:10 05/27/2018 04:37 NA Method Blank ID BLANK-62423 Laboratory Control Spike Analysis Results PCB Spiked Found Spiked Found % RecoveryIsomer(ng)(ng) % Recovery(ng)(ng) Native Analytes Labeled Analytes 1 1.0 0.913 2.0 0.933 4791 3 1.0 0.963 2.0 1.04 529641.0 0.983 2.0 0.868 4398151.0 1.02 2.0 1.15 57102 19 1.0 1.03 2.0 0.875 44103 37 1.0 0.889 2.0 1.59 8089 54 1.0 0.981 2.0 1.13 5798811.0 0.958 2.0 1.65 8396771.0 0.942 2.0 1.56 7894 104 1.0 0.962 2.0 1.07 5396 105 1.0 0.977 2.0 1.70 8598 114 1.0 0.993 2.0 1.66 83991181.0 1.01 2.0 1.66 831011231.0 1.03 2.0 1.64 82103 126 1.0 0.985 2.0 1.47 7498 155 1.0 0.974 2.0 1.16 5897 156/157 2.0 2.02 4.0 3.16 791011671.0 0.987 2.0 1.63 81991691.0 1.00 2.0 1.31 66100 188 1.0 1.01 2.0 1.57 79101 189 1.0 1.01 2.0 1.72 86101 202 1.0 1.10 2.0 1.45 731102051.0 1.07 2.0 1.57 781072061.0 1.05 2.0 1.39 70105 208 1.0 1.03 2.0 1.52 76103 209 1.0 0.987 2.0 1.33 6699 R =Recovery outside of method 1668A control limits Nn =Result obtained from alternate analysis ND = Not Detected NA = Not Applicable NC = Not Calculated *=See Discussion ng = Nanograms I=Interference Page 94 of 97Report No.....10431169_1668_209_DFR Page 122 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client Spike 1 ID Spike 1 Filename P180523B_03 LCS-62396 PACE Charlotte Spike Recovery Relative Percent Difference (RPD) Results Spike 2 ID Spike 2 Filename P180523B_04 LCSD-62397 Method 1668A Spike 1 Spike 2 Compound %REC %REC %RPDIUPAC 2-MoCB 101 105 3.914-MoCB 108 107 0.932,2'-DiCB 105 112 6.544,4'-DiCB 99 102 3.0152,2',6-TrCB 99 101 2.0193,4,4'-TrCB 92 101 9.3372,2',6,6'-TeCB 97 133 31.3543,3',4,4'-TeCB 97 93 4.2773,4,4',5-TeCB 88 90 2.2812,2',4,6,6'-PeCB 101 116 13.81042,3,3',4,4'-PeCB 94 101 7.21052,3,4,4',5-PeCB 100 96 4.11142,3',4,4',5-PeCB 101 108 6.71182,3',4,4',5'-PeCB 95 103 8.11233,3',4,4',5-PeCB 92 97 5.31262,2',4,4',6,6'-HxCB 99 101 2.0155(156/157)95 100 5.1156/1572,3',4,4',5,5'-HxCB 97 102 5.01673,3',4,4',5,5'-HxCB 96 103 7.01692,2',3,4',5,6,6'-HpCB 101 108 6.71882,3,3',4,4',5,5'-HpCB 99 97 2.01892,2',3,3',5,5',6,6'-OcCB 105 111 5.62022,3,3',4,4',5,5',6-OcCB 97 102 5.0205 2,2',3,3',4,4',5,5',6-NoCB 111 120 7.82062,2',3,3',4,5,5',6,6'-NoCB 103 104 1.0208Decachlorobiphenyl101938.2209 %REC =Percent Recovered RPD =The difference between the two values dividedby the meanvalue Page 95 of 97Report No.....10431169_1668_209_DFR Page 123 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client Spike 1 ID Spike 1 Filename P180525A_05 LCS-62338 PACE Charlotte Spike Recovery Relative Percent Difference (RPD) Results Spike 2 ID Spike 2 Filename P180525A_06 LCSD-62339 Method 1668A Spike 1 Spike 2 Compound %REC %REC %RPDIUPAC 2-MoCB 98 104 5.914-MoCB 98 105 6.932,2'-DiCB 103 114 10.144,4'-DiCB 100 104 3.9152,2',6-TrCB 83 95 13.5193,4,4'-TrCB 92 96 4.3372,2',6,6'-TeCB 97 98 1.0543,3',4,4'-TeCB 92 99 7.3773,4,4',5-TeCB 88 97 9.7812,2',4,6,6'-PeCB 102 106 3.81042,3,3',4,4'-PeCB 97 100 3.01052,3,4,4',5-PeCB 92 98 6.31142,3',4,4',5-PeCB 97 111 13.51182,3',4,4',5'-PeCB 90 100 10.51233,3',4,4',5-PeCB 94 93 1.11262,2',4,4',6,6'-HxCB 96 97 1.0155(156/157)95 99 4.1156/1572,3',4,4',5,5'-HxCB 96 100 4.11673,3',4,4',5,5'-HxCB 98 99 1.01692,2',3,4',5,6,6'-HpCB 96 101 5.11882,3,3',4,4',5,5'-HpCB 93 90 3.31892,2',3,3',5,5',6,6'-OcCB 102 110 7.52022,3,3',4,4',5,5',6-OcCB 101 101 0.0205 2,2',3,3',4,4',5,5',6-NoCB 109 102 6.62062,2',3,3',4,5,5',6,6'-NoCB 96 100 4.1208Decachlorobiphenyl9110211.4209 %REC =Percent Recovered RPD =The difference between the two values dividedby the meanvalue Page 96 of 97Report No.....10431169_1668_209_DFR Page 124 of 125 REPORTOF LABORATORY ANALYSIS This report shall notbe reproduced,except in full, withoutthewrittenconsentofPaceAnalyticalServices,Inc. Pace Analytical Services,LLC 1700 Elm Street - Suite 200 Minneapolis, MN 55414 Tel:612-607-1700 Fax:612-607-6444 Client Spike 1 ID Spike 1 Filename P180527A_03 LCS-62424 PACE Charlotte Spike Recovery Relative Percent Difference (RPD) Results Spike 2 ID Spike 2 Filename P180527A_04 LCSD-62425 Method 1668A Spike 1 Spike 2 Compound %REC %REC %RPDIUPAC 2-MoCB 104 91 13.314-MoCB 98 96 2.132,2'-DiCB 103 98 5.044,4'-DiCB 97 102 5.0152,2',6-TrCB 102 103 1.0193,4,4'-TrCB 92 89 3.3372,2',6,6'-TeCB 98 98 0.0543,3',4,4'-TeCB 94 94 0.0773,4,4',5-TeCB 96 96 0.0812,2',4,6,6'-PeCB 99 96 3.11042,3,3',4,4'-PeCB 96 98 2.11052,3,4,4',5-PeCB 96 99 3.11142,3',4,4',5-PeCB 98 101 3.01182,3',4,4',5'-PeCB 97 103 6.01233,3',4,4',5-PeCB 96 98 2.11262,2',4,4',6,6'-HxCB 97 97 0.0155(156/157)96 101 5.1156/1572,3',4,4',5,5'-HxCB 97 99 2.01673,3',4,4',5,5'-HxCB 99 100 1.01692,2',3,4',5,6,6'-HpCB 95 101 6.11882,3,3',4,4',5,5'-HpCB 94 101 7.21892,2',3,3',5,5',6,6'-OcCB 106 110 3.72022,3,3',4,4',5,5',6-OcCB 97 107 9.8205 2,2',3,3',4,4',5,5',6-NoCB 108 105 2.82062,2',3,3',4,5,5',6,6'-NoCB 101 103 2.0208Decachlorobiphenyl94995.2209 %REC =Percent Recovered RPD =The difference between the two values dividedby the meanvalue Page 97 of 97Report No.....10431169_1668_209_DFR Page 125 of 125