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HomeMy WebLinkAbout1102_BASF_Enka_Industial_GW_DIN28726_20171031 ELM Site Solutions, Inc. P. O. Box 97607 Raleigh, North Carolina 27624 1 January 18, 2018 Submitted via Electronic Mail Ms. Jaclynne Drummond Compliance Hydrogeologist North Carolina Department of Environmental Quality Division of Waste Management - Solid Waste Section 2090 US Highway 70 Swannanoa, North Carolina 28778 Subject: Semi-Annual Monitoring Report BASF Former Industrial Landfill Facility Permit # 11-02 Enka, North Carolina Dear Ms. Drummond: ELM Site Solutions, on behalf of BASF Corporation, herein submits an electronic copy of the semi- annual sampling report for the above-referenced site. This letter report presents results of the semi-annual sampling activities conducted on October 31, 2017, which constitutes the second semi-annual sampling event for 2017. The approved groundwater monitoring network consists of MW-3, MW-4R, MW-5 and background well MW-6. The monitoring network also includes surface water sample locations SW-1 and DW-2 from Hominy Creek. In a letter dated November 4, 2010, the North Carolina Department of Environmental Quality (NCDEQ) – Solid Waste Section requested the collection of an additional surface water sample from a seep area in conjunction with the semi-annual groundwater sampling events for a minimum of five (5) years. Sampling results for the monitoring wells, surface water samples and surface seep (Seep-1) are discussed below. In addition to the groundwater samples outlined above, 10 landfill gas monitoring wells (LG-1 through LG-10 installed at the site in May 2010) were monitored on September 1, 2017 and December 22, 2017 during this reporting period. Gas monitoring results are also discussed below. A completed Environmental Monitoring Report Form follows this letter report. FIELD ACTIVITIES Field Investigation methods for this groundwater monitoring event were conducted in compliance with industry standards and the U.S. Environmental Protection Agency (EPA) Region IV Field Branch’s Quality System and Technical Procedures. Groundwater samples from the site were collected on October 31, 2017 using low-flow techniques with a peristaltic pump. Water levels were measured at each well prior to sampling using a Testwell water level meter (Table 1). Ms. Jaclynne Drummond January 18, 2018 2 Two (2) of the groundwater monitoring wells (MW-3 and MW-6) were altered between the October 2016 and April 2017 monitoring events. Specifically, the total depth for MW-3 was originally 30.16 feet below top of casing (btoc). The total depth for MW-3 is now 41.10 feet btoc, as measured on April 26 and October 31, 2017. Additionally, the total depth for MW-6 was originally 41.18 feet btoc. The total depth for MW-6 is now 22.20 feet btoc, as measured on April 26 and October 31, 2017. The alterations to these wells were presumably conducted during the on-going grading operations at the Site. Neither BASF nor ELMSS were contacted regarding any modifications to these wells. Top of casing elevations are currently unknown for groundwater monitoring wells MW-3 and MW- 6 due to the alterations made to these wells. Therefore, no potentiometric contour map was created for the October 2017 groundwater monitoring event. Relative groundwater elevations for MW-4R and MW-5 as measured on October 31, 2017 are shown on Figure 1. Purging was accomplished by using a variable speed peristaltic pump with the pumping rate adjustable to equal the approximate recharge rate of the well. Indicator parameters of pH, temperature, specific conductivity, turbidity, dissolved oxygen and oxidation-reduction potential (ORP) were measured regularly during purging with Horiba U-52 water quality meter until the measured values stabilized. This ‘low-flow’ method targets the collection of groundwater samples that have the least total suspended solid count obtainable without filtering in the field, thus giving a more accurate indication of dissolved constituents present in the aquifer. Groundwater sample collection record sheets are provided in Appendix A. Surface water samples were collected directly from Hominy Creek by filling pre-preserved laboratory sample containers. The seep sample (Seep-1) was collected from a 4-inch pipe located at the base of the seep area. Surface water sample locations are shown on Figure 2. Water quality parameters for the monitoring wells, surface water locations and seep at the time of sampling are presented in Table 2. As noted above, 10 landfill gas monitoring wells were sampled on September 1, 2017 and December 22, 2017. Well locations are presented on Figure 3. Percent lower explosive limit (% LEL) measurements and other applicable parameters (i.e., % methane by volume, % oxygen and % carbon dioxide) were recorded at the landfill gas monitoring wells using a calibrated Landtec GEM 2000 instrument. Landfill gas sample collection record sheets are provided in Appendix B. SAMPLING RESULTS Shealy Environmental Services, Inc. in West Columbia, South Carolina analyzed the groundwater and surface water samples for Appendix I volatile organic compounds (VOCs) by EPA Method 8260B, Appendix I metals by EPA Methods 6010C/6020A, mercury by EPA Method 7470A, sulfate by EPA Method 9056A and total dissolved solids by SM 2540C. Due to the aforementioned alterations to groundwater monitoring wells MW-3 and MW-6 discussed above, no samples were collected from these wells. Groundwater samples were only collected from MW-4R and MW-5. The surface seep sample was analyzed for Appendix I VOCs. A copy of the analytical report is presented in Appendix C. For data analysis, groundwater monitoring well results were compared to 15A NCAC 2L Groundwater Standards, the regulatory basis established to determine groundwater quality. Surface water results were compared to 15A NCAC 2B Surface Water Standards. Monitoring wells Ms. Jaclynne Drummond January 18, 2018 3 had one (1) or more analyte concentrations that exceeded their respective groundwater standards. No analyte concentrations detected in the surface water samples exceeded their respective standards. Detections are discussed below. Analytical results are summarized in Table 3. No organic constituents were detected above laboratory method reporting limits in any of the groundwater or surface water samples during the April 2017 monitoring event. For inorganic constituents, barium, calcium, cobalt, sulfate and vanadium were detected in groundwater monitoring wells and/or surface water samples above laboratory method reporting limits. All of the barium concentrations were below their respective 15A NCAC 2L Groundwater Standard. No 15A NCAC 2L Groundwater Standard exists for calcium. Cobalt was detected at concentrations which exceeded its 15A NCAC 2L Groundwater Standard. One (1) cobalt concentration was “J flagged” or estimated, with the Limit of Quantitation (LOQ or reporting limit) for cobalt exceeding its respective NCAC 2L Groundwater Standard. Sulfate was detected at a concentration which exceeded its respective 15A NCAC 2L Groundwater Standard. Vanadium was detected in one (1) well at an estimated (J flagged) concentration which exceeded its respective NCAC 2L Groundwater Standard, with the LOQ also exceeding the NCAC 2L Groundwater Standard. As noted above, quarterly landfill gas monitoring events were conducted on for 10 landfill gas wells located near the waste boundary during the reporting period. All gas wells exhibited 0% LEL through the reporting period. Current and historical landfill gas sampling data are summarized in Table 4. The following summarizes results and observations obtained during this reporting period: • Groundwater samples were not collected from MW-3 and MW-6 due to unknown well modifications. • No organic constituents were detected above laboratory method reporting limits in any of the groundwater or surface water samples during the October 2017 monitoring event. • Cobalt was detected in two (2) groundwater monitoring wells (MW-4R and MW-5) at concentrations that exceeded the 15A NCAC 2L Groundwater Standard of 1 ug/L. The cobalt concentration for MW-4R was “J flagged” or estimated with the reporting limit exceeding its respective NCAC 2L Groundwater Standard. It should be noted that background soil samples were collected during the initial seep investigation (2010) to assess naturally occurring site conditions. Results from the study included detection of cobalt at a maximum concentration of 9.34 milligrams per kilogram (mg/Kg). The NCDEQ - Inactive Hazardous Sites Branch (IHSB) has established a soil cleanup level protective of groundwater for cobalt at 0.9 mg/Kg. Oxidation Reduction Potential (ORP) measurements in monitoring well MW-5 indicated the presence of a reducing environment potentially mobilizing background metals from soils. Some, if not all, of the cobalt detected during monitoring may be due to mobilization of background metals from soil. • Sulfate was detected in one (1) monitoring well (MW-5) at a concentration of 270 ug/L, which exceeded its 15A NCAC 2L Groundwater Standard of 250 ug/L. Ms. Jaclynne Drummond January 18, 2018 4 • Vanadium was detected at an estimated (J flagged) concentration of 2.8 ug/L, which exceeded its respective NCAC 2L Groundwater Standard. • No inorganic element concentrations detected in surface water exceeded their respective 15A NCAC 2B Standards during this monitoring event. • All gas wells exhibited 0% LEL through the reporting period, which is consistent with historical monitoring. Please contact us if you have any questions or require any further information. Sincerely, ELM Site Solutions, Inc. Jeremy Odom, PG Staff Geologist (704) 770-1481 Rusty Norris, PE, PLS, RSM Senior Engineer (919) 792-3733 c Vernon Burrows, BASF Corporation Electronic Data - Email CD (data loaded: Yes I No Doc/Event #: DENR Environmental Monitoring Division of Waste Management - Solid Waste Form as defined in NC are request (NC General Statute 132-6). lnstructions:. Prepare one form for each individually monitored unit.. Please type or print legibly.. Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 28 surface water standards. The notification must include a preliminary analysis of the cause and significance of each value. (e.9. naturally occurring, off-site source, pre-existtng condition. etc.).. Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits,. Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the facility (NCAC 138 1629 (4)(a)(i). Send the original signed and sealed form, any tables, and Electronic Data Deliverable to: Compliance Unit, NCDENR,DWM, Solid Waste Section, 1646 Mail ServicE Center, Raleigh, NC 27699-1646. Solid Waste Monitoring Data Submiftal lffi ELM Site Solutions, Inc. Contact for questions about data formatting. Name; Roland B. Norris ll lnclude data prepare/s name, telephone number and E-mail address: Phone: (919) 792-3733 E-mail: RNorris@ELMSiteSolutions.com Facility name: Former lndustrial Landfill Facility Address: Hill Road, Enka, North Carolina NC Landfill Rule: Facility Permit # (.0500 or.1600) Actual sampling dates (e.g October 20-24,2A06) 31,2017.0500 Environmental Status: (Check all that apply) tr lnitiallBackground Monitoring tr Detection Monitoring T Assessment Monitoring T Corrective Action trtrn Notification attached? No. No groundwater or surface water standards were exceeded. Yes, a notification of values exceeding a groundwater or surface water standard is attached. lt includes a list of groundwater and surface water monttoring points, dates, analytical values, NC 2L groundwater standard, NC 28 surface water standard or NC Solid Wasie GWPS and preliminary analysis of the cause and significance of any concentration. Yes, a notification of values exceeding an explosive methane gas limit is attached. lt inoludes the methane monitoring points, dates, sample values and explosive methane gas limits. of data submitted: (Check all that apply) Groundwater monitoring data from monitoring wells Groundwater monitoring data from private water supply wells Leachate monitoring data Surface water data Methane gas monitoring data Correclive action data (speciry) Othe(specify) n Certification To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct. Furthermore, I have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment. Roland Blair Noris ll Senior Engineer (s19) 752-3733 NC PE Firm License Number (if applicable effective May 1. 2009) Licensed/ Professional Geologist Seal Facility Representative Name (Print) Signature Facility Representative Address c-3141 PO Box 97607, Raleigh, North Carolina 27624 SEAL +8150 tlt0, TABLES Table 1Water Level Measurements Semi-Annual Sampling Event October 31, 2017BASF LandfillEnka, North CarolinaFacility Permit No.Well Identification DateTotal Depth (feet)Screen Interval (feet)Top of Casing (Feet AMSL)Depth to Groundwater (Feet BTOC)Groundwater Elevation (Feet AMSL)11-02MW-3 10/31/2017 41.10* Unknown Unknown 20.13 Unknown11-02MW-4R 10/31/2017 34.92 23-33 2082.67 26.95 2055.7211-02MW-5 10/31/2017 19.35 6-16 2057.62 8.04 2049.5811-02MW-6 10/31/2017 22.20** Unknown Unknown Dry UnknownNOTES:AMSL - Above Mean Sea Level (Vertical Control NAVD 88)* MW-3 was originally installed to a depth of 30.16 feet below top of casing (btoc).This well's depth had been altered to a total depth of 41.10 feet (btoc) when measured on 04/26/2017.**MW-6 was originally installed to a depth of 41.18 feet below top of casing.This well's depth had been altered to a total depth of 22.20 feet (btoc) when measured on 04/26/2017.Page 1 of 1 Table 1 Table 2General Groundwater Quality ParametersSemi-Annual Sampling EventOctober 31, 2017BASF LandfillEnka, North CarolinaFacility Permit No.Well Identification Date pHTemp (oC) Conductivity (µs/cm) Turbidity (NTU) Oxidation Reduction Potential (mV) DO (mg/L) TDS (mg/L)11-02MW-3 10/31/2017 NM NMNM NMNM NM NM11-02MW-4R 10/31/2017 6.79 15.720.162 9.6180 3.03 13011-02MW-5 10/31/2017 7.12 15.171.450 0.0-81 3.53 97011-02MW-6 10/31/2017 NM NMNM NMNM NM NM11-02SW-1 10/31/2017 8.99 12.330.064 5.4171 9.10 5211-02DW-2 10/31/2017 9.01 12.490.068 6.1169 9.12 6511-02Seep-1 10/31/2017 6.82 12.611.15 8.7-60 1.12 NMNOTES:DO - Dissolved OxygenORP - Oxidation-Reduction PotentialTDS - reported in milligrams per liter (mg/L).NM - Not measuredBRL - Below reporting limitPage 1 of 1 Table 2 Table 3Groundwater Analytical ResultsSemi-Annual Sampling EventOctober 31, 2017BASF LandfillEnka, North CarolinaAntimony ArsenicBarium Beryllium Cadmium Calcium Chromium Cobalt Copper Lead Mercury Nickel Selenium Silver Sulfate Thallium Vanadium Zincug/L ug/Lug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L ug/L ug/L ug/L1 10 700 4 2 NS 10 1 1000 15 1 100 20 20 250 0 0.3 1000MW-3 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NMMW-4R 10/31/2017 BRL BRL 86 BRL BRL 10000 BRL1.3 JBRL BRL BRL BRL BRL BRL 22 BRL2.8 JBRLMW-5 10/31/2017 BRL BRL 180 BRL BRL 130000 BRL22BRL BRL BRL BRL BRL BRL270BRL BRL BRLMW-6 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM640 10 1,000 6.5 0.15 NS 24 4 2.7 0.54 0.012 16 5 0.3 250 NS NS 36ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L ug/L ug/L ug/LSW-1 10/31/2017 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL 4.3 BRL BRL BRLDW-2 10/31/2017 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL 4.0 BRL BRL BRLSeep-1 10/31/2017 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NMNotes:ug/L - micrograms per liter or parts per billion (ppb)mg/L - milligrams per liter or parts per million (ppm)1.3Non-estimated concentrations that exceed North Carolina 2L Groundwater Standards (April 2013) or NC 2B Surface Water Standards (June 2016) BRL - Below Laboratory Reporting Limit or Practical Quantitation Limit (PQL)J Flags for Cobalt and Vanadium were included where the Reporting Limit/Limit of Quantification (LOQ) exceeded the 2L Groundwater Standard (MW-4R).NS - No StandardNM - Not measured.Units15A NCAC 2B StandardMonitoring Well and Surface Water I.D.Sample Date15A NCAC 2L StandardUnitsPage 1 of 1Table 3 Table 4 Landfill Gas Sampling Data BASF Enka Landfill Enka, North Carolina LFG SAMPLE Sample Sample Tube Time % CH4 WELL ID DATE Time Purge Pumped By Volume 12/13/2010 1124 >60s >60s 0 0 17.0 4.8 LG-1 3/11/2011 1335 >60s >60s 0 0 18.2 3.8 6/3/2011 1100 >60s >60s 0 0 17.0 3.4 10/12/2011 1130 >60s >60s 0 0 16.8 3.8 12/14/2011 1300 >60s >60s 0 0 17.0 3.7 3/8/2012 1200 >60s >60s 0 0 17.3 3.6 6/14/2012 1115 >60s >60s 0 0 17.0 3.8 9/26/2012 1200 >60s >60s 0 0 17.2 3.6 12/3/2012 1200 >60s >60s 0 0 18.3 3.9 3/27/2013 1200 >60s >60s 0 0 18.0 3.4 6/3/2013 1300 >60s >60s 0 0 15.3 3.0 9/17/2013 1130 >60s >60s 0 0 14.5 7.2 12/11/2013 1200 >60s >60s 0 0 15.3 5.7 3/13/2014 1200 >60s >60s 0 0 18.2 3.2 6/5/2014 1230 >60s >60s 0 0 15.6 4.2 9/30/2014 1130 >60s >60s 0 0 14.4 5.5 12/19/2014 1100 >60s >60s 0 0 14.8 5.1 3/17/2015 1130 >60s >60s 0 0 16.8 4.3 6/19/2015 1215 >60s >60s 0 0 17.1 3.9 9/14/2015 1400 >60s >60s 0 0 18.2 3.1 12/1/2015 1130 >60s >60s 0 0 15.5 5.5 3/15/2016 1200 >60s >60s 0 0 15.7 2.6 6/29/2016 1200 >60s >60s 0 0 16.9 4.2 9/16/2016 1200 >60s >60s 0 0 16.0 4.8 12/30/2016 1100 >60s >60s 0 0 20.5 3.1 3/24/2017 1030 >60s >60s 0 0 15.5 2.7 6/9/2017 1130 >60s >60s 0 0 15.2 4.5 9/1/2017 1130 >60s >60s 0 0 18.0 4.1 12/22/2017 1130 >60s >60s 0 0 17.0 4.4 LG-2 12/13/2010 1131 >60s >60s 0 0 18.9 2.2 3/11/2011 1345 >60s >60s 0 0 20.4 0.9 6/3/2011 1130 >60s >60s 0 0 19.5 2.3 10/12/2011 1145 >60s >60s 0 0 18.1 2.4 12/14/2011 1330 >60s >60s 0 0 18.6 2.2 3/8/2012 1145 >60s >60s 0 0 19.3 1.8 6/14/2012 1130 >60s >60s 0 0 18.5 2.4 9/26/2012 1215 >60s >60s 0 0 18.8 2.2 12/3/2012 1230 >60s >60s 0 0 19.2 2.0 3/27/2013 1230 >60s >60s 0 0 19.6 2.5 6/3/2013 1315 >60s >60s 0 0 16.8 3.3 9/17/2013 1140 >60s >60s 0 0 17.5 3.7 12/11/2013 1215 >60s >60s 0 0 17.3 3.2 3/13/2014 1230 >60s >60s 0 0 19.3 2.7 6/5/2014 1245 >60s >60s 0 0 17.0 3.0 9/30/2014 1145 >60s >60s 0 0 16.7 3.9 12/19/2014 1115 >60s >60s 0 0 16.9 3.5 3/17/2015 1140 >60s >60s 0 0 17.1 2.9 6/19/2015 1230 >60s >60s 0 0 18.1 2.8 9/14/2015 1415 >60s >60s 0 0 19.6 0.8 12/1/2015 1145 >60s >60s 0 0 17.1 3.4 3/15/2016 1230 >60s >60s 0 0 18.6 1.3 6/29/2016 1230 >60s >60s 0 0 18.5 2.4 9/16/2016 1215 >60s >60s 0 0 16.9 3.2 12/30/2016 1115 >60s >60s 0 0 20.9 2.2 3/24/2017 1100 >60s >60s 0 0 18.2 1.5 6/9/2017 1200 >60s >60s 0 0 19.5 2.1 9/1/2017 1215 >60s >60s 0 0 17.8 3.0 12/22/2017 1145 >60s >60s 0 0 19.1 2.6 LG-3 12/13/2010 1136 >60s >60s 0 0 18.6 3.2 3/11/2011 1400 >60s >60s 0 0 19.7 2.1 6/3/2011 1200 >60s >60s 0 0 17.4 3.4 % LEL % O2 % CO2 Table 4 Landfill Gas Sampling Data BASF Enka Landfill Enka, North Carolina LFG SAMPLE Sample Sample Tube Time % CH4 WELL ID DATE Time Purge Pumped By Volume % LEL % O2 % CO2 10/12/2011 1200 >60s >60s 0 0 17.8 3.0 12/14/2011 1345 >60s >60s 0 0 18.0 2.9 3/8/2012 1230 >60s >60s 0 0 18.4 2.8 6/14/2012 1200 >60s >60s 0 0 18.8 2.5 9/26/2012 1230 >60s >60s 0 0 18.6 2.7 12/3/2012 1245 >60s >60s 0 0 18.9 2.9 3/27/2013 1245 >60s >60s 0 0 20.4 2.4 6/3/2013 1230 >60s >60s 0 0 16.8 3.2 9/17/2013 1150 >60s >60s 0 0 17.4 3.8 12/11/2013 1230 >60s >60s 0 0 17.5 3.7 3/13/2014 1300 >60s >60s 0 0 20.1 2.5 6/5/2014 1300 >60s >60s 0 0 17.7 3.1 9/30/2014 1200 >60s >60s 0 0 16.9 3.5 12/19/2014 1145 >60s >60s 0 0 16.5 4.0 3/17/2015 1150 >60s >60s 0 0 18.5 2.6 6/19/2015 1245 >60s >60s 0 0 17.5 3.3 9/14/2015 1430 >60s >60s 0 0 18.2 2.5 12/1/2015 1200 >60s >60s 0 0 17.5 3.6 3/15/2016 1245 >60s >60s 0 0 16.7 2.9 6/29/2016 1245 >60s >60s 0 0 17.9 3.1 9/16/2016 1230 >60s >60s 0 0 17.1 3.8 12/30/2016 1145 >60s >60s 0 0 20.5 2.6 3/24/2017 1115 >60s >60s 0 0 17.5 2.2 6/9/2017 1230 >60s >60s 0 0 18.9 2.4 9/1/2017 1230 >60s >60s 0 0 19.0 2.3 12/22/2017 1200 >60s >60s 0 0 19.4 2.5 LG-4 12/13/2010 1143 >60s >60s 0 0 16.6 5.5 3/11/2011 1415 >60s >60s 0 0 18.8 2.8 6/3/2011 1230 >60s >60s 0 0 17.8 3.2 10/12/2011 1230 >60s >60s 0 0 14.1 5.4 12/14/2011 1400 >60s >60s 0 0 13.9 5.3 3/8/2012 1245 >60s >60s 0 0 16.8 4.2 6/14/2012 1215 >60s >60s 0 0 16.4 4.4 9/26/2012 1245 >60s >60s 0 0 16.5 4.6 12/3/2012 1300 >60s >60s 0 0 15.5 5.9 3/27/2013 1300 >60s >60s 0 0 19.9 3.2 6/3/2013 1430 >60s >60s 0 0 16.0 4.2 9/17/2013 1200 >60s >60s 0 0 12.9 6.4 12/11/2013 1245 >60s >60s 0 0 15.4 5.7 3/13/2014 1330 >60s >60s 0 0 19.7 3.3 6/5/2014 1330 >60s >60s 0 0 14.7 4.2 9/30/2014 1230 >60s >60s 0 0 13.9 5.4 12/19/2014 1230 >60s >60s 0 0 14.1 5.2 3/17/2015 1200 >60s >60s 0 0 18.4 3.3 6/19/2015 1300 >60s >60s 0 0 17.8 3.2 9/14/2015 1445 >60s >60s 0 0 16.2 4.6 12/1/2015 1230 >60s >60s 0 0 15.5 5.6 3/15/2016 1300 >60s >60s 0 0 17.1 3.0 6/29/2016 1300 >60s >60s 0 0 17.7 3.4 9/16/2016 1300 >60s >60s 0 0 15.8 4.9 12/30/2016 1200 >60s >60s 0 0 17.0 3.4 3/24/2017 1130 >60s >60s 0 0 16.1 4.0 6/9/2017 1300 >60s >60s 0 0 13.4 5.4 9/1/2017 1300 >60s >60s 0 0 16.7 4.5 12/22/2017 1215 >60s >60s 0 0 15.5 5.2 Table 4 Landfill Gas Sampling Data BASF Enka Landfill Enka, North Carolina LFG SAMPLE Sample Sample Tube Time % CH4 WELL ID DATE Time Purge Pumped By Volume % LEL % O2 % CO2 LG-5 12/13/2010 1159 >60s >60s 0 0 14.2 6.7 3/11/2011 1430 >60s >60s 0 0 15.6 5.7 6/3/2011 1300 >60s >60s 0 0 16.1 5.5 10/12/2011 1300 >60s >60s 0 0 15.6 5.2 12/14/2011 1430 >60s >60s 0 0 15.9 5.4 3/8/2012 1330 >60s >60s 0 0 14.6 6.1 6/14/2012 1245 >60s >60s 0 0 14.8 5.9 9/26/2012 1300 >60s >60s 0 0 14.2 6.0 12/3/2012 1330 >60s >60s 0 0 15.1 7.0 3/27/2013 1330 >60s >60s 0 0 14.7 6.0 6/3/2013 1500 >60s >60s 0 0 15.1 5.7 9/17/2013 1230 >60s >60s 0 0 15.5 4.9 12/11/2013 1330 >60s >60s 0 0 17.0 5.5 3/13/2014 1400 >60s >60s 0 0 15.2 5.6 6/5/2014 1400 >60s >60s 0 0 17.6 4.8 9/30/2014 1300 >60s >60s 0 0 17.4 5.0 12/19/2014 1300 >60s >60s 0 0 17.1 5.1 3/17/2015 1230 >60s >60s 0 0 15.1 5.4 6/19/2015 1330 >60s >60s 0 0 14.6 5.8 9/14/2015 1500 >60s >60s 0 0 18.8 1.9 12/1/2015 1300 >60s >60s 0 0 17.1 5.3 3/15/2016 1330 >60s >60s 0 0 15.5 4.3 6/29/2016 1330 >60s >60s 0 0 14.9 5.2 9/16/2016 1330 >60s >60s 0 0 16.9 5.5 12/30/2016 1230 >60s >60s 0 0 19.7 2.7 3/24/2017 1200 >60s >60s 0 0 15.5 4.3 6/9/2017 1400 >60s >60s 0 0 15.2 4.5 9/1/2017 1330 >60s >60s 0 0 17.2 5.2 12/22/2017 1245 >60s >60s 0 0 15.9 5.1 LG-6 12/13/2010 1207 >60s >60s 0 0 18.9 2.1 3/11/2011 1500 >60s >60s 0 0 19.8 1.8 6/3/2011 1320 >60s >60s 0 0 19.4 1.6 10/12/2011 1000 >60s >60s 0 0 16.3 4.4 12/14/2011 1115 >60s >60s 0 0 16.7 4.9 3/8/2012 1400 >60s >60s 0 0 18.1 3.2 6/14/2012 1330 >60s >60s 0 0 17.6 3.4 9/26/2012 1330 >60s >60s 0 0 17.5 3.5 12/3/2012 1400 >60s >60s 0 0 20.2 1.5 3/27/2013 1400 >60s >60s 0 0 17.9 3.5 6/3/2013 1530 >60s >60s 0 0 17.4 3.6 9/17/2013 1300 >60s >60s 0 0 20.5 0.9 12/11/2013 1400 >60s >60s 0 0 19.6 1.2 3/13/2014 1430 >60s >60s 0 0 18.0 3.2 6/5/2014 1430 >60s >60s 0 0 18.1 3.0 9/30/2014 1330 >60s >60s 0 0 19.0 1.5 12/19/2014 1330 >60s >60s 0 0 18.9 1.7 3/17/2015 1300 >60s >60s 0 0 17.8 3.3 6/19/2015 1400 >60s >60s 0 0 17.6 3.4 9/14/2015 1530 >60s >60s 0 0 17.4 3.4 12/1/2015 1330 >60s >60s 0 0 19.5 1.3 3/15/2016 1400 >60s >60s 0 0 17.9 2.1 6/29/2016 1400 >60s >60s 0 0 17.5 3.1 9/16/2016 1400 >60s >60s 0 0 18.9 2.2 12/30/2016 1300 >60s >60s 0 0 19.8 2.7 3/24/2017 1230 >60s >60s 0 0 17.6 2.3 6/9/2017 1430 >60s >60s 0 0 17.4 2.5 9/1/2017 1400 >60s >60s 0 0 19.7 2.312/22/2017 1330 >60s >60s 0 0 20.1 1.7 LG-7 12/13/2010 1215 >60s >60s 0 0 19.4 1.1 3/11/2011 1515 >60s >60s 0 0 17.9 1.1 6/3/2011 1345 >60s >60s 0 0 17.8 1.3 Table 4 Landfill Gas Sampling Data BASF Enka Landfill Enka, North Carolina LFG SAMPLE Sample Sample Tube Time % CH4 WELL ID DATE Time Purge Pumped By Volume % LEL % O2 % CO2 10/12/2011 1015 >60s >60s 0 0 17.9 2.2 12/14/2011 1100 >60s >60s 0 0 18.3 1.5 3/8/2012 1000 >60s >60s 0 0 18.7 2.2 6/14/2012 1030 >60s >60s 0 0 18.1 3.0 9/26/2012 1030 >60s >60s 0 0 18.0 2.9 12/3/2012 1030 >60s >60s 0 0 19.9 1.3 3/27/2013 1030 >60s >60s 0 0 21.9 0.3 6/3/2013 1115 >60s >60s 0 0 19.0 0.4 9/17/2013 1000 >60s >60s 0 0 18.9 2.3 12/11/2013 1100 >60s >60s 0 0 20.2 0.2 3/13/2014 1000 >60s >60s 0 0 19.1 2.4 6/5/2014 1100 >60s >60s 0 0 18.9 1.9 9/30/2014 1000 >60s >60s 0 0 18.1 1.9 12/19/2014 1000 >60s >60s 0 0 18.4 1.6 3/17/2015 1030 >60s >60s 0 0 19.9 1.0 6/19/2015 1100 >60s >60s 0 0 18.8 1.8 9/14/2015 1300 >60s >60s 0 0 19.0 2.2 12/1/2015 1000 >60s >60s 0 0 19.2 1.5 3/15/2016 1430 >60s >60s 0 0 19.0 1.2 6/29/2016 1415 >60s >60s 0 0 18.6 2.0 9/16/2016 1030 >60s >60s 0 0 18.4 5.3 12/30/2016 1330 >60s >60s 0 0 20.7 1.0 3/24/2017 1300 >60s >60s 0 0 17.4 2.6 6/9/2017 1330 >60s >60s 0 0 17.1 2.9 9/1/2017 1430 >60s >60s 0 0 18.6 2.7 12/22/2017 1400 >60s >60s 0 0 19.7 0.7 LG-8 12/13/2010 1222 >60s >60s 0 0 18.0 2.9 3/11/2011 1530 >60s >60s 0 0 13.9 3.6 6/3/2011 1430 >60s >60s 0 0 16.2 3.5 10/12/2011 1030 >60s >60s 0 0 16.2 3.1 12/14/2011 1145 >60s >60s 0 0 15.9 3.0 3/8/2012 1030 >60s >60s 0 0 19.1 1.9 6/14/2012 1040 >60s >60s 0 0 18.3 2.6 9/26/2012 1100 >60s >60s 0 0 18.2 2.4 12/3/2012 1050 >60s >60s 0 0 19.2 2.4 3/27/2013 1045 >60s >60s 0 0 18.7 2.4 6/3/2013 1145 >60s >60s 0 0 16.4 4.2 9/17/2013 1015 >60s >60s 0 0 18.3 4.1 12/11/2013 1115 >60s >60s 0 0 17.7 3.2 3/13/2014 1030 >60s >60s 0 0 19.1 2.3 6/5/2014 1115 >60s >60s 0 0 18.5 2.9 9/30/2014 1015 >60s >60s 0 0 16.2 4.4 12/19/2014 1010 >60s >60s 0 0 16.5 4.1 3/17/2015 1045 >60s >60s 0 0 17.4 2.7 6/19/2015 1115 >60s >60s 0 0 18.3 2.5 9/14/2015 1310 >60s >60s 0 0 18.4 2.3 12/1/2015 1015 >60s >60s 0 0 17.6 3.3 3/15/2016 1000 >60s >60s 0 0 17.2 1.9 6/29/2016 1000 >60s >60s 0 0 18.2 2.1 9/16/2016 1100 >60s >60s 0 0 18.4 4.6 12/30/2016 1000 >60s >60s 0 0 19.6 2.2 3/24/2017 930 >60s >60s 0 0 17.3 1.9 6/9/2017 1045 >60s >60s 0 0 14.2 8.0 9/1/2017 1030 >60s >60s 0 0 13.1 5.2 12/22/2017 1030 >60s >60s 0 0 13.0 5.0 Table 4 Landfill Gas Sampling Data BASF Enka Landfill Enka, North Carolina LFG SAMPLE Sample Sample Tube Time % CH4 WELL ID DATE Time Purge Pumped By Volume % LEL % O2 % CO2 LG-9 12/13/2010 1227 >60s >60s 0 0 18.1 3.1 3/11/2011 1545 >60s >60s 0 0 17.9 1.8 6/3/2011 1500 >60s >60s 0 0 17.5 2.1 10/12/2011 1040 >60s >60s 0 0 17.2 3.4 12/14/2011 1215 >60s >60s 0 0 17.5 3.5 3/8/2012 1100 >60s >60s 0 0 20.7 0.4 6/14/2012 1050 >60s >60s 0 0 19.9 1.2 9/26/2012 1115 >60s >60s 0 0 19.7 1.2 12/3/2012 1100 >60s >60s 0 0 19.5 2.9 3/27/2013 1100 >60s >60s 0 0 22.2 0.2 6/3/2013 1200 >60s >60s 0 0 14.0 2.5 9/17/2013 1030 >60s >60s 0 0 15.3 4.4 12/11/2013 1130 >60s >60s 0 0 17.4 3.3 3/13/2014 1100 >60s >60s 0 0 21.6 1.5 6/5/2014 1130 >60s >60s 0 0 15.8 2.7 9/30/2014 1045 >60s >60s 0 0 15.3 4.2 12/19/2014 1020 >60s >60s 0 0 15.5 4.0 3/17/2015 1100 >60s >60s 0 0 16.4 3.1 6/19/2015 1130 >60s >60s 0 0 15.2 4.3 9/14/2015 1320 >60s >60s 0 0 18.0 3.7 12/1/2015 1035 >60s >60s 0 0 17.2 3.1 3/15/2016 1030 >60s >60s 0 0 19.1 0.8 6/29/2016 1025 >60s >60s 0 0 15.3 4.2 9/16/2016 1115 >60s >60s 0 0 17.6 4.9 12/30/2016 1015 >60s >60s 0 0 20.9 2.3 3/24/2017 945 >60s >60s 0 0 18.1 1.8 6/9/2017 1100 >60s >60s 0 0 13.2 4.5 9/1/2017 1045 >60s >60s 0 0 18.4 4.1 12/22/2017 1100 >60s >60s 0 0 15.3 3.9 LG-10 12/13/2010 1235 >60s >60s 0 0 15.5 5.8 3/11/2011 1600 >60s >60s 0 0 16.8 4.7 6/3/2011 1515 >60s >60s 0 0 17.1 3.8 10/12/2011 1100 >60s >60s 0 0 14.9 5.6 12/14/2011 1230 >60s >60s 0 0 14.2 5.7 3/8/2012 1115 >60s >60s 0 0 14.9 5.0 6/14/2012 1100 >60s >60s 0 0 14.7 4.9 9/26/2012 1130 >60s >60s 0 0 14.6 4.8 12/3/2012 1130 >60s >60s 0 0 16.0 5.8 3/27/2013 1130 >60s >60s 0 0 16.8 4.4 6/3/2013 1345 >60s >60s 0 0 14.9 4.5 9/17/2013 1100 >60s >60s 0 0 10.9 8.5 12/11/2013 1145 >60s >60s 0 0 13.2 6.9 3/13/2014 1130 >60s >60s 0 0 16.6 5.9 6/5/2014 1200 >60s >60s 0 0 15.0 5.1 9/30/2014 1100 >60s >60s 0 0 12.4 7.6 12/19/2014 1030 >60s >60s 0 0 12.9 7.0 3/17/2015 1110 >60s >60s 0 0 14.6 5.4 6/19/2015 1200 >60s >60s 0 0 16.8 5.7 9/14/2015 1330 >60s >60s 0 0 17.8 3.0 12/1/2015 1100 >60s >60s 0 0 14.2 5.9 3/15/2016 1100 >60s >60s 0 0 13.8 4.1 6/29/2016 1105 >60s >60s 0 0 16.9 5.5 9/16/2016 1130 >60s >60s 0 0 15.2 5.3 12/30/2016 1030 >60s >60s 0 0 18.7 4.3 3/24/2017 1000 >60s >60s 0 0 14.4 3.7 6/9/2017 1115 >60s >60s 0 0 15.1 5.6 9/1/2017 1100 >60s >60s 0 0 17.6 3.8 12/22/2017 1115 >60s >60s 0 0 15.8 3.7 Notes: Landfill gas data were collected using a calibrated Landtec GEM 2000+. CH4 = Methane; O2 = Oxygen; CO2 = Carbon Dioxide; LEL = Lower Explosive Limit; 5% CH4 = 100 % LEL FIGURES Figure 1 – Groundwater Elevations Semi-Annual Sampling Event –October 31, 2017Source: Google Earth Scale: 1” = ~200’ Site Name: BASF Closed Industrial Landfill Enka, North Carolina MW-5 (2049.58) MW-6 (Unknown) MW-4R (2055.72) Monitoring Well Groundwater Elevation (2049.67) MW-3 (Unknown) Hominy Creek Permitted Facility Boundary Note: TOC elevations for MW-3 and MW-6 are currently unknown due to unauthorized alterations made to these wells. Figure 2 – Surface Water Sample Locations Semi-Annual Sampling Event –October 31, 2017Source: Google Earth (2013) Scale: 1” = ~350’ Site Name: BASF Closed Industrial Landfill Enka, North Carolina Surface Water Sample Location Hominy Creek Permitted Facility Boundary SW-1 DW-2 Seep-1 MW-4PPcLIMIT OF WASTESEDIMENTATION BASINcPNEW PERMITTED FACILITYBOUNDARY ( SEE NOTES )MW-6MW-3MW-5BOUNDARY LINES OFSOLID WASTE PERMIT NO. 11-02LG-1LG-2LG-3LG-4LG-5LG-6LG-7LG-8LG-9LG-10EXTENT OF LANDFILL WASTEENKA - BUNCOMBE COUNTYCLOSED BASF INDUSTRIAL LANDFILLPLAN REVISIONSFIGURE - 3SCALE: 1"=100'DATE: 09-09-10ELM Site Solutions, Inc.P.O. BOX 97607Raleigh, North Carolina 27624Phone: (919) 792-3733PROJECT: 1007-10-008This drawing is the property of ELMSite Solutions, Inc and is not to bereproduced or copied in whole or inpart. It is only to be used for the projectand site specifically identified hereinand is not to be used on any otherproject. It is to be returned uponrequest.NO.DATEDESCRIPTIONSAND HILL ROADNORTH CAROLINAEXISTING TREELINENEW LANDFILL GASEXISTING POWERLINEEXISTING MINOR CONTOUREXISTING MONITORING WELLEXISTING MAJOR CONTOUR LEGENDPEXISTING FENCEXXXPERMITTED LANDFILL VOLUME = 406460 CUBIC YARDSNOTESAREA WITHIN ORIGINAL SOLID WASTE PERMIT BOUNDARY = 28.13 ACRESORIGINAL TOPOGRAPHIC SURVEY DATA AND SITE INFORMATION PROVIDEDFROM A SURVEY MAP TITLED TOPOGRAPHIC SURVEY - APRIL 2003BASF CORPORATION INDUSTRIAL LANDFILL, ENKA, N.C., DRAWINGNO. 97053-4_1_03; PREPARED BY C.O. HAMPTON COMPANY -LAND SURVEYORS, P.O. DRAWER 1319, FLETCHER, N.C.AREA WITHIN NEW SOLID WASTE PERMIT BOUNDARY = 41.75 ACRESAS-BUILT SURVEY DATA AND SITE INFORMATION PROVIDED FROMA SURVEY MAP TITLED SURVEY OF SOLID WASTE LANDFILL, PERMIT NO. 11-02,COLBOND ACQUISITION I INC.; DRAWING NO. 05167FINAL-V2000; PREPARED BY2778, ASHEVILLE, N.C.NEW PERMITTED FACILITY BOUNDARY REQUIRED PER NCDENR LETTERDATED APRIL 1, 2004.BETH B. GILLAM, P.L.S., OF HUTCHISON-BIGGS & ASSOCIATES, INC., P.O. BOXMW-2 ABANDONED ON APRIL 23, 2009 IN ACCORDANCE WITH 15A NCAC 2C.0113.MW-6 INSTALLED ON APRIL 23, 2009.TBM - TEMPORARY BENCH MARKSLANDFILL GAS MONITORING WELL LOCATIONS ARE APPROXIMATE. FINALLOCATIONS WILL BE INFLUENCED BY ACCESS AND OTHER POTENTIALIMPEDIMENTS. AN AS-BUILT SURVEY WILL BE COMPLETED ONCE FINALINSTALLATIONS ARE COMPLETE.SITE LOCATION - N.T.S.I-40HWY-19/23SAND HILL RDSITEMONITORING WELLS APPENDICES APPENDIX A FIELD SAMPLE COLLECTION RECORDS APPENDIX B LANDFILL GAS MONITORING DATA FORMS APPENDIX C LABORATORY ANALYTICAL REPORT SHEALY ENVIRONMENTAL SERVICES,INC. The electronic signature above is the equivalent of a handwritten signature. This report shall not be reproduced,except in its entirety,without the written approval of Shealy Environmental Services,Inc. Shealy Environmental Services,Inc. 106 Vantage Point Drive West Columbia,SC 29172 (803)791-9700 Fax (803)791-9111 www.shealylab.com Report of Analysis ELM Site Solutions,Inc. P.O.Box 97607 Raleigh,NC 27624 Attention:Jeremy Odom Project Name:BASF Former Enka Industrial Landfill Facility Lot Number:SK03019 Date Completed:12/28/2017 Revision Date:12/28/2017 12/29/2017 8:56 AM Approved and released by: Project Manager:Nisreen Saikaly Page 1 of 55 SHEALY ENVIRONMENTAL SERVICES,INC. SC DHEC No:32010001 NELAC No:E87653 NC DENR No:329 NC Field Parameters No:5639 Shealy Environmental Services,Inc. 106 Vantage Point Drive West Columbia,SC 29172 (803)791-9700 Fax (803)791-9111 www.shealylab.com Case Narrative ELM Site Solutions,Inc. Lot Number:SK03019 This Report of Analysis contains the analytical result(s)for the sample(s)listed on the Sample Summary following this Case Narrative. The sample receiving date is documented in the header information associated with each sample. All results listed in this report relate only to the samples that are contained within this report. Sample receipt,sample analysis,and data review have been performed in accordance with the most current approved NELAC standards,the Shealy Environmental Services,Inc.("Shealy")Quality Assurance Management Plan (QAMP),standard operating procedures (SOPs),and Shealy policies.Any exceptions to the NELAC standards,the QAMP,SOPs or policies are qualified on the results page or discussed below. If you have any questions regarding this report please contact the Shealy Project Manager listed on the cover page. Volatile Organic Compounds Due to the large number of spiked analytes,there is a high probability that one or more analytes will recover outside acceptance limits. The laboratory's SOP allows for 10%of analytes to recover marginally outside criteria.Acetone recovered marginally outside LCS criteria.Samples SK03019-001 through SK03019-006 are associated with this batch. The continuing calibration verification (CCV)associated with samples SK03019-001 through SK03019-006 recovered above the upper control limits for Acetone.The samples associated with this CCV were non-detect for the affected analytes;therefore,the data has been reported. Report Revision (12/22/2017) This report is revised to provide the ICP-MS data for all samples for vanadium and cobalt. Page 2 of 55 SHEALY ENVIRONMENTAL SERVICES, INC. Sample Summary ELM Site Solutions, Inc. Lot Number: SK03019 Project Name: BASF Former Enka Industrial Landfill Facility Project Number: Sample Number Sample ID Matrix Date Sampled Date Received 001 10/31/2017 1300MW-5 Aqueous 11/03/2017 002 10/31/2017 1330SEEP-1 Aqueous 11/03/2017 003 10/31/2017 1400MW-4R Aqueous 11/03/2017 004 10/31/2017 1500SW-1 Aqueous 11/03/2017 005 10/31/2017 1600DW-2 Aqueous 11/03/2017 006 10/31/2017TB-1 Aqueous 11/03/2017 (6 samples) 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 3 of 55 SHEALY ENVIRONMENTAL SERVICES, INC. Detection Summary ELM Site Solutions, Inc. Lot Number: SK03019 Project Name: BASF Former Enka Industrial Landfill Facility Project Number: Sample Sample ID Matrix Parameter Method Result Q Units Page 001 MW-5 Aqueous Sulfate 9056A 270 mg/L 6 001 MW-5 Aqueous TDS SM 2540C-970 mg/L 6 001 MW-5 Aqueous Cobalt 6020B 22 ug/L 9 001 MW-5 Aqueous Barium 6010D 0.15 mg/L 11 001 MW-5 Aqueous Calcium 6010D 100 mg/L 11 001 MW-5 Aqueous Nickel 6010D 0.011 J mg/L 11 003 MW-4R Aqueous Sulfate 9056A 22 mg/L 14 003 MW-4R Aqueous TDS SM 2540C-130 mg/L 14 003 MW-4R Aqueous Cobalt 6020B 1.3 J ug/L 17 003 MW-4R Aqueous Lead 6020B 0.46 J ug/L 17 003 MW-4R Aqueous Vanadium 6020B 2.8 J ug/L 17 003 MW-4R Aqueous Barium 6010D 0.069 mg/L 19 003 MW-4R Aqueous Calcium 6010D 8.2 mg/L 19 003 MW-4R Aqueous Nickel 6010D 0.0077 J mg/L 19 003 MW-4R Aqueous Zinc 6010D 0.0036 J mg/L 19 004 SW-1 Aqueous Sulfate 9056A 4.3 mg/L 20 004 SW-1 Aqueous TDS SM 2540C-52 mg/L 20 004 SW-1 Aqueous Acetone 8260B 3.1 J ug/L 21 004 SW-1 Aqueous Barium 6010D 0.018 J mg/L 25 004 SW-1 Aqueous Calcium 6010D 3.4 J mg/L 25 004 SW-1 Aqueous Nickel 6010D 0.0066 J mg/L 25 005 DW-2 Aqueous Sulfate 9056A 4.0 mg/L 26 005 DW-2 Aqueous TDS SM 2540C-65 mg/L 26 005 DW-2 Aqueous Acetone 8260B 3.4 J ug/L 27 005 DW-2 Aqueous Barium 6010D 0.018 J mg/L 31 005 DW-2 Aqueous Calcium 6010D 3.4 J mg/L 31 005 DW-2 Aqueous Nickel 6010D 0.0062 J mg/L 31 (27 detections) 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 4 of 55 Inorganic non-metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 (Sulfate) 9056A 5 11/16/2017 1811 KWP 57752 1 (TDS) SM 2540C-2011 1 11/03/2017 1929 KNF 56190 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Sulfate 9056A 270 1mg/L1.05.0 TDS SM 2540C-970 1mg/L8.025 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 5 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2309 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 2.0 U 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 6 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2309 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 113 70-130 1,2-Dichloroethane-d4 104 70-130 Toluene-d8 104 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 7 of 55 ICP-MS Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6020B 1 11/10/2017 1837 BNW 11/07/2017 0809 56445 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Antimony 7440-36-0 6020B 0.50 U 1ug/L0.502.0 Arsenic 7440-38-2 6020B 1.3 U 1ug/L1.32.0 Beryllium 7440-41-7 6020B 0.13 U 1ug/L0.130.40 Cadmium 7440-43-9 6020B 0.13 U 1ug/L0.130.50 Cobalt 7440-48-4 6020B 22 1ug/L0.635.0 Lead 7439-92-1 6020B 0.25 U 1ug/L0.251.0 Selenium 7782-49-2 6020B 1.3 U 1ug/L1.35.0 Thallium 7440-28-0 6020B 0.13 U 1ug/L0.130.50 Vanadium 7440-62-2 6020B 1.5 U 1ug/L1.55.0 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 8 of 55 CVAA Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 7470A 7470A 1 11/03/2017 1758 COH 11/03/2017 1413 56172 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Mercury 7439-97-6 7470A 0.000091 U 1mg/L0.0000910.00010 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 9 of 55 Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-5 SK03019-001 10/31/2017 1300 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6010D 1 11/07/2017 1450 JCF 11/06/2017 1107 56327 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Barium 7440-39-3 6010D 0.15 1mg/L0.00310.025 Calcium 7440-70-2 6010D 100 1mg/L0.635.0 Chromium 7440-47-3 6010D 0.0013 U 1mg/L0.00130.010 Copper 7440-50-8 6010D 0.0020 U 1mg/L0.00200.010 Nickel 7440-02-0 6010D 0.011 J 1mg/L0.00500.040 Silver 7440-22-4 6010D 0.0021 U 1mg/L0.00210.010 Zinc 7440-66-6 6010D 0.0025 U 1mg/L0.00250.020 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 10 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SEEP-1 SK03019-002 10/31/2017 1330 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2331 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 2.0 U 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 11 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SEEP-1 SK03019-002 10/31/2017 1330 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2331 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 113 70-130 1,2-Dichloroethane-d4 106 70-130 Toluene-d8 105 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 12 of 55 Inorganic non-metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 (Sulfate) 9056A 1 11/16/2017 1833 KWP 57752 1 (TDS) SM 2540C-2011 1 11/03/2017 1929 KNF 56190 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Sulfate 9056A 22 1mg/L0.201.0 TDS SM 2540C-130 1mg/L8.025 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 13 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2353 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 2.0 U 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 14 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2353 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 117 70-130 1,2-Dichloroethane-d4 110 70-130 Toluene-d8 107 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 15 of 55 ICP-MS Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6020B 1 11/10/2017 1843 BNW 11/07/2017 0809 56445 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Antimony 7440-36-0 6020B 0.50 U 1ug/L0.502.0 Arsenic 7440-38-2 6020B 1.3 U 1ug/L1.32.0 Beryllium 7440-41-7 6020B 0.13 U 1ug/L0.130.40 Cadmium 7440-43-9 6020B 0.13 U 1ug/L0.130.50 Cobalt 7440-48-4 6020B 1.3 J 1ug/L0.635.0 Lead 7439-92-1 6020B 0.46 J 1ug/L0.251.0 Selenium 7782-49-2 6020B 1.3 U 1ug/L1.35.0 Thallium 7440-28-0 6020B 0.13 U 1ug/L0.130.50 Vanadium 7440-62-2 6020B 2.8 J 1ug/L1.55.0 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 16 of 55 CVAA Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 7470A 7470A 1 11/03/2017 1800 COH 11/03/2017 1413 56172 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Mercury 7439-97-6 7470A 0.000091 U 1mg/L0.0000910.00010 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 17 of 55 Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. MW-4R SK03019-003 10/31/2017 1400 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6010D 1 11/07/2017 1456 JCF 11/06/2017 1107 56327 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Barium 7440-39-3 6010D 0.069 1mg/L0.00310.025 Calcium 7440-70-2 6010D 8.2 1mg/L0.635.0 Chromium 7440-47-3 6010D 0.0013 U 1mg/L0.00130.010 Copper 7440-50-8 6010D 0.0020 U 1mg/L0.00200.010 Nickel 7440-02-0 6010D 0.0077 J 1mg/L0.00500.040 Silver 7440-22-4 6010D 0.0021 U 1mg/L0.00210.010 Zinc 7440-66-6 6010D 0.0036 J 1mg/L0.00250.020 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 18 of 55 Inorganic non-metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 (Sulfate) 9056A 1 11/16/2017 1855 KWP 57752 1 (TDS) SM 2540C-2011 1 11/03/2017 1929 KNF 56190 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Sulfate 9056A 4.3 1mg/L0.201.0 TDS SM 2540C-52 1mg/L8.025 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 19 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/10/2017 0015 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 3.1 J 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 20 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/10/2017 0015 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 115 70-130 1,2-Dichloroethane-d4 107 70-130 Toluene-d8 105 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 21 of 55 ICP-MS Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6020B 1 11/10/2017 1849 BNW 11/07/2017 0809 56445 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Antimony 7440-36-0 6020B 0.50 U 1ug/L0.502.0 Arsenic 7440-38-2 6020B 1.3 U 1ug/L1.32.0 Beryllium 7440-41-7 6020B 0.13 U 1ug/L0.130.40 Cadmium 7440-43-9 6020B 0.13 U 1ug/L0.130.50 Cobalt 7440-48-4 6020B 0.63 U 1ug/L0.635.0 Lead 7439-92-1 6020B 0.25 U 1ug/L0.251.0 Selenium 7782-49-2 6020B 1.3 U 1ug/L1.35.0 Thallium 7440-28-0 6020B 0.13 U 1ug/L0.130.50 Vanadium 7440-62-2 6020B 1.5 U 1ug/L1.55.0 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 22 of 55 CVAA Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 7470A 7470A 1 11/03/2017 1803 COH 11/03/2017 1413 56172 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Mercury 7439-97-6 7470A 0.000091 U 1mg/L0.0000910.00010 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 23 of 55 Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. SW-1 SK03019-004 10/31/2017 1500 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6010D 1 11/07/2017 1501 JCF 11/06/2017 1107 56327 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Barium 7440-39-3 6010D 0.018 J 1mg/L0.00310.025 Calcium 7440-70-2 6010D 3.4 J 1mg/L0.635.0 Chromium 7440-47-3 6010D 0.0013 U 1mg/L0.00130.010 Copper 7440-50-8 6010D 0.0020 U 1mg/L0.00200.010 Nickel 7440-02-0 6010D 0.0066 J 1mg/L0.00500.040 Silver 7440-22-4 6010D 0.0021 U 1mg/L0.00210.010 Zinc 7440-66-6 6010D 0.0025 U 1mg/L0.00250.020 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 24 of 55 Inorganic non-metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 (Sulfate) 9056A 1 11/16/2017 2001 KWP 57752 1 (TDS) SM 2540C-2011 1 11/03/2017 1929 KNF 56190 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Sulfate 9056A 4.0 1mg/L0.201.0 TDS SM 2540C-65 1mg/L8.025 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 25 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/10/2017 0037 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 3.4 J 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 26 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/10/2017 0037 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 109 70-130 1,2-Dichloroethane-d4 106 70-130 Toluene-d8 104 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 27 of 55 ICP-MS Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6020B 1 11/10/2017 1855 BNW 11/07/2017 0809 56445 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Antimony 7440-36-0 6020B 0.50 U 1ug/L0.502.0 Arsenic 7440-38-2 6020B 1.3 U 1ug/L1.32.0 Beryllium 7440-41-7 6020B 0.13 U 1ug/L0.130.40 Cadmium 7440-43-9 6020B 0.13 U 1ug/L0.130.50 Cobalt 7440-48-4 6020B 0.63 U 1ug/L0.635.0 Lead 7439-92-1 6020B 0.25 U 1ug/L0.251.0 Selenium 7782-49-2 6020B 1.3 U 1ug/L1.35.0 Thallium 7440-28-0 6020B 0.13 U 1ug/L0.130.50 Vanadium 7440-62-2 6020B 1.5 U 1ug/L1.55.0 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 28 of 55 CVAA Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 7470A 7470A 1 11/03/2017 1809 COH 11/03/2017 1413 56172 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Mercury 7439-97-6 7470A 0.000091 U 1mg/L0.0000910.00010 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 29 of 55 Metals Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. DW-2 SK03019-005 10/31/2017 1600 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 3005A 6010D 1 11/07/2017 1506 JCF 11/06/2017 1107 56327 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Barium 7440-39-3 6010D 0.018 J 1mg/L0.00310.025 Calcium 7440-70-2 6010D 3.4 J 1mg/L0.635.0 Chromium 7440-47-3 6010D 0.0013 U 1mg/L0.00130.010 Copper 7440-50-8 6010D 0.0020 U 1mg/L0.00200.010 Nickel 7440-02-0 6010D 0.0062 J 1mg/L0.00500.040 Silver 7440-22-4 6010D 0.0021 U 1mg/L0.00210.010 Zinc 7440-66-6 6010D 0.0025 U 1mg/L0.00250.020 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 30 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. TB-1 SK03019-006 10/31/2017 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2248 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Acetone 67-64-1 8260B 2.0 U 1ug/L2.010 Acrylonitrile 107-13-1 8260B 0.80 U 1ug/L0.805.0 Benzene 71-43-2 8260B 0.40 U 1ug/L0.400.50 Bromochloromethane 74-97-5 8260B 0.40 U 1ug/L0.400.50 Bromodichloromethane 75-27-4 8260B 0.40 U 1ug/L0.400.50 Bromoform 75-25-2 8260B 0.40 U 1ug/L0.400.50 Bromomethane (Methyl bromide)74-83-9 8260B 0.40 U 1ug/L0.400.50 2-Butanone (MEK)78-93-3 8260B 2.0 U 1ug/L2.010 Carbon disulfide 75-15-0 8260B 0.40 U 1ug/L0.400.50 Carbon tetrachloride 56-23-5 8260B 0.40 U 1ug/L0.400.50 Chlorobenzene 108-90-7 8260B 0.40 U 1ug/L0.400.50 Chloroethane 75-00-3 8260B 0.40 U 1ug/L0.400.50 Chloroform 67-66-3 8260B 0.40 U 1ug/L0.400.50 Chloromethane (Methyl chloride)74-87-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromo-3-chloropropane (DBCP)96-12-8 8260B 0.40 U 1ug/L0.400.50 Dibromochloromethane 124-48-1 8260B 0.40 U 1ug/L0.400.50 1,2-Dibromoethane (EDB)106-93-4 8260B 0.40 U 1ug/L0.400.50 Dibromomethane (Methylene bromide)74-95-3 8260B 0.40 U 1ug/L0.400.50 trans-1,4-Dichloro-2-butene 110-57-6 8260B 0.40 U 1ug/L0.402.0 1,2-Dichlorobenzene 95-50-1 8260B 0.40 U 1ug/L0.400.50 1,4-Dichlorobenzene 106-46-7 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethane 75-34-3 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloroethane 107-06-2 8260B 0.40 U 1ug/L0.400.50 1,1-Dichloroethene 75-35-4 8260B 0.40 U 1ug/L0.400.50 cis-1,2-Dichloroethene 156-59-2 8260B 0.40 U 1ug/L0.400.50 trans-1,2-Dichloroethene 156-60-5 8260B 0.40 U 1ug/L0.400.50 1,2-Dichloropropane 78-87-5 8260B 0.40 U 1ug/L0.400.50 cis-1,3-Dichloropropene 10061-01-5 8260B 0.40 U 1ug/L0.400.50 trans-1,3-Dichloropropene 10061-02-6 8260B 0.40 U 1ug/L0.400.50 Ethylbenzene 100-41-4 8260B 0.40 U 1ug/L0.400.50 2-Hexanone 591-78-6 8260B 2.0 U 1ug/L2.010 Methyl iodide (Iodomethane)74-88-4 8260B 0.40 U 1ug/L0.405.0 4-Methyl-2-pentanone 108-10-1 8260B 2.0 U 1ug/L2.010 Methylene chloride 75-09-2 8260B 0.40 U 1ug/L0.400.50 Styrene 100-42-5 8260B 0.41 U 1ug/L0.410.50 1,1,1,2-Tetrachloroethane 630-20-6 8260B 0.40 U 1ug/L0.400.50 1,1,2,2-Tetrachloroethane 79-34-5 8260B 0.40 U 1ug/L0.400.50 Tetrachloroethene 127-18-4 8260B 0.40 U 1ug/L0.400.50 Toluene 108-88-3 8260B 0.40 U 1ug/L0.400.50 1,1,1-Trichloroethane 71-55-6 8260B 0.40 U 1ug/L0.400.50 1,1,2-Trichloroethane 79-00-5 8260B 0.40 U 1ug/L0.400.50 Trichloroethene 79-01-6 8260B 0.40 U 1ug/L0.400.50 Trichlorofluoromethane 75-69-4 8260B 0.40 U 1ug/L0.400.50 1,2,3-Trichloropropane 96-18-4 8260B 0.40 U 1ug/L0.400.50 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 31 of 55 Volatile Organic Compounds by GC/MS Description:Matrix: Date Received: Client:Laboratory ID: Date Sampled: ELM Site Solutions, Inc. TB-1 SK03019-006 10/31/2017 11/03/2017 Aqueous Project Name: BASF Former Enka Industrial Project Number: Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch 1 5030B 8260B 1 11/09/2017 2248 ECP 56839 AnalyticalCAS Parameter Number Method Result Q LOQ Units Run DL Vinyl acetate 108-05-4 8260B 1.2 U 1ug/L1.25.0 Vinyl chloride 75-01-4 8260B 0.40 U 1ug/L0.400.50 Xylenes (total)1330-20-7 8260B 0.40 U 1ug/L0.401.0 AcceptanceRun 1 Surrogate Q % Recovery Limits Bromofluorobenzene 111 70-130 1,2-Dichloroethane-d4 105 70-130 Toluene-d8 104 70-130 J = Estimated result < LOQ and > DL_ LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range P = The RPD between two GC columns exceeds 40%U = Not detected at or above the DL N = Recovery is out of criteria H = Out of holding time DL = Detection Limit W = Reported on wet weight basis 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 32 of 55 QC Summary 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 33 of 55 Inorganic non-metals - MB Batch: Sample ID:SQ56190-001 56190 Analytical Method:SM 2540C-2011 Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil TDS 8.0 11/03/2017 1929U258.0 mg/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 34 of 55 Inorganic non-metals - LCS Batch: Sample ID:SQ56190-002 56190 Analytical Method:SM 2540C-2011 Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(mg/L)(mg/L) TDS 1500 11/03/2017 1929101150090-1101 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 35 of 55 Inorganic non-metals - Duplicate Batch: Sample ID:SK03019-003DU 56190 Analytical Method:SM 2540C-2011 Matrix:Aqueous Parameter Result Q Analysis Date% RPD % RPD Limit Sample Amount Dil(mg/L)(mg/L) TDS 130 11/03/2017 19296.2 201301 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 36 of 55 Inorganic non-metals - MB Batch: Sample ID:SQ57752-001 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Sulfate 0.20 11/16/2017 1704U1.0 0.20 mg/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 37 of 55 Inorganic non-metals - LCS Batch: Sample ID:SQ57752-002 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(mg/L)(mg/L) Sulfate 21 11/16/2017 17261032080-1201 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 38 of 55 Inorganic non-metals - MS Batch: Sample ID:SK03019-004MS 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec Limit Sample Amount Dil(mg/L)(mg/L)(mg/L) Sulfate 23 11/16/2017 1917952080-1204.3 1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 39 of 55 Inorganic non-metals - MSD Batch: Sample ID:SK03019-004MD 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date% RPD % Rec Limit % RPD Limit Sample Amount Dil(mg/L)(mg/L)(mg/L) Sulfate 23 11/16/2017 1939932080-1200.93 204.3 1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 40 of 55 Inorganic non-metals - MS Batch: Sample ID:SK03019-005MS 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec Limit Sample Amount Dil(mg/L)(mg/L)(mg/L) Sulfate 22 11/16/2017 2023922080-1204.0 1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 41 of 55 Inorganic non-metals - MSD Batch: Sample ID:SK03019-005MD 57752 Analytical Method:9056A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date% RPD % Rec Limit % RPD Limit Sample Amount Dil(mg/L)(mg/L)(mg/L) Sulfate 23 11/16/2017 2045972080-1204.1 204.0 1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 42 of 55 Volatile Organic Compounds by GC/MS - MB Batch:Prep Method: Sample ID:SQ56839-001 56839 5030B Analytical Method:8260B Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Acetone 2.0 11/09/2017 2142U102.0 ug/L1 Acrylonitrile 0.80 11/09/2017 2142U5.0 0.80 ug/L1 Benzene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Bromochloromethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Bromodichloromethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Bromoform 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Bromomethane (Methyl bromide)0.40 11/09/2017 2142U0.50 0.40 ug/L1 2-Butanone (MEK)2.0 11/09/2017 2142U102.0 ug/L1 Carbon disulfide 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Carbon tetrachloride 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Chlorobenzene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Chloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Chloroform 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Chloromethane (Methyl chloride)0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,2-Dibromo-3-chloropropane (DBCP)0.40 11/09/2017 2142U0.50 0.40 ug/L1 Dibromochloromethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,2-Dibromoethane (EDB)0.40 11/09/2017 2142U0.50 0.40 ug/L1 Dibromomethane (Methylene bromide)0.40 11/09/2017 2142U0.50 0.40 ug/L1 trans-1,4-Dichloro-2-butene 0.40 11/09/2017 2142U2.0 0.40 ug/L1 1,2-Dichlorobenzene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,4-Dichlorobenzene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,1-Dichloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,2-Dichloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,1-Dichloroethene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 cis-1,2-Dichloroethene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 trans-1,2-Dichloroethene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,2-Dichloropropane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 cis-1,3-Dichloropropene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 trans-1,3-Dichloropropene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Ethylbenzene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 2-Hexanone 2.0 11/09/2017 2142U102.0 ug/L1 Methyl iodide (Iodomethane)0.40 11/09/2017 2142U5.0 0.40 ug/L1 4-Methyl-2-pentanone 2.0 11/09/2017 2142U102.0 ug/L1 Methylene chloride 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Styrene 0.41 11/09/2017 2142U0.50 0.41 ug/L1 1,1,1,2-Tetrachloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,1,2,2-Tetrachloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Tetrachloroethene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Toluene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,1,1-Trichloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,1,2-Trichloroethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Trichloroethene 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Trichlorofluoromethane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 1,2,3-Trichloropropane 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 43 of 55 Volatile Organic Compounds by GC/MS - MB Batch:Prep Method: Sample ID:SQ56839-001 56839 5030B Analytical Method:8260B Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Vinyl acetate 1.2 11/09/2017 2142U5.0 1.2 ug/L1 Vinyl chloride 0.40 11/09/2017 2142U0.50 0.40 ug/L1 Xylenes (total)0.40 11/09/2017 2142U1.0 0.40 ug/L1 Surrogate Q % Rec Acceptance Limit Bromofluorobenzene 113 70-130 1,2-Dichloroethane-d4 103 70-130 Toluene-d8 104 70-130 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 44 of 55 Volatile Organic Compounds by GC/MS - LCS Batch:Prep Method: Sample ID:SQ56839-002 56839 5030B Analytical Method:8260B Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(ug/L)(ug/L) Acetone 150 11/09/2017 2044N15410060-1401 Acrylonitrile 110 11/09/2017 204410910070-1301 Benzene 50 11/09/2017 2044995070-1301 Bromochloromethane 48 11/09/2017 2044965070-1301 Bromodichloromethane 51 11/09/2017 20441015070-1301 Bromoform 49 11/09/2017 2044985070-1301 Bromomethane (Methyl bromide)37 11/09/2017 2044755070-1301 2-Butanone (MEK)130 11/09/2017 204412610070-1301 Carbon disulfide 55 11/09/2017 20441105070-1301 Carbon tetrachloride 53 11/09/2017 20441065070-1301 Chlorobenzene 51 11/09/2017 20441025070-1301 Chloroethane 39 11/09/2017 2044785070-1301 Chloroform 51 11/09/2017 20441015070-1301 Chloromethane (Methyl chloride)42 11/09/2017 2044855060-1401 1,2-Dibromo-3-chloropropane (DBCP)50 11/09/2017 20441005070-1301 Dibromochloromethane 52 11/09/2017 20441035070-1301 1,2-Dibromoethane (EDB)51 11/09/2017 20441025070-1301 Dibromomethane (Methylene bromide)50 11/09/2017 2044995070-1301 trans-1,4-Dichloro-2-butene 44 11/09/2017 2044895070-1301 1,2-Dichlorobenzene 52 11/09/2017 20441055070-1301 1,4-Dichlorobenzene 49 11/09/2017 2044985070-1301 1,1-Dichloroethane 50 11/09/2017 20441005070-1301 1,2-Dichloroethane 51 11/09/2017 20441035070-1301 1,1-Dichloroethene 55 11/09/2017 20441095070-1301 cis-1,2-Dichloroethene 50 11/09/2017 20441005070-1301 trans-1,2-Dichloroethene 51 11/09/2017 20441025070-1301 1,2-Dichloropropane 49 11/09/2017 2044995070-1301 cis-1,3-Dichloropropene 52 11/09/2017 20441035070-1301 trans-1,3-Dichloropropene 50 11/09/2017 2044995070-1301 Ethylbenzene 52 11/09/2017 20441035070-1301 2-Hexanone 94 11/09/2017 20449410070-1301 Methyl iodide (Iodomethane)51 11/09/2017 20441035070-1301 4-Methyl-2-pentanone 99 11/09/2017 20449910070-1301 Methylene chloride 47 11/09/2017 2044945070-1301 Styrene 50 11/09/2017 20441015070-1301 1,1,1,2-Tetrachloroethane 51 11/09/2017 20441015070-1301 1,1,2,2-Tetrachloroethane 49 11/09/2017 2044995070-1301 Tetrachloroethene 53 11/09/2017 20441075070-1301 Toluene 53 11/09/2017 20441075070-1301 1,1,1-Trichloroethane 53 11/09/2017 20441055070-1301 1,1,2-Trichloroethane 49 11/09/2017 2044985070-1301 Trichloroethene 50 11/09/2017 2044995070-1301 Trichlorofluoromethane 50 11/09/2017 20441005070-1301 1,2,3-Trichloropropane 51 11/09/2017 20441025070-1301 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 45 of 55 Volatile Organic Compounds by GC/MS - LCS Batch:Prep Method: Sample ID:SQ56839-002 56839 5030B Analytical Method:8260B Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(ug/L)(ug/L) Vinyl acetate 51 11/09/2017 20441015060-1401 Vinyl chloride 45 11/09/2017 2044895070-1301 Xylenes (total)100 11/09/2017 204410110070-1301 Surrogate Q % Rec Acceptance Limit Bromofluorobenzene 104 70-130 1,2-Dichloroethane-d4 99 70-130 Toluene-d8 104 70-130 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 46 of 55 Metals - MB Batch:Prep Method: Prep Date: Sample ID:SQ56327-001 56327 3005A 11/06/2017 1107Analytical Method:6010D Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Barium 0.0031 11/07/2017 1315U0.025 0.0031 mg/L1 Calcium 0.63 11/07/2017 1315U5.0 0.63 mg/L1 Chromium 0.0013 11/07/2017 1315U0.010 0.0013 mg/L1 Copper 0.0020 11/07/2017 1315U0.010 0.0020 mg/L1 Nickel 0.0050 11/07/2017 1315U0.040 0.0050 mg/L1 Silver 0.0021 11/07/2017 1315U0.010 0.0021 mg/L1 Zinc 0.0025 11/07/2017 1315U0.020 0.0025 mg/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 47 of 55 Metals - LCS Batch:Prep Method: Prep Date: Sample ID:SQ56327-002 56327 3005A 11/06/2017 1107Analytical Method:6010D Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(mg/L)(mg/L) Barium 2.1 11/07/2017 13301032.0 80-1201 Calcium 41 11/07/2017 13301034080-1201 Chromium 2.1 11/07/2017 13301062.0 80-1201 Copper 2.2 11/07/2017 13301102.0 80-1201 Nickel 2.1 11/07/2017 13301052.0 80-1201 Silver 0.43 11/07/2017 13301080.40 80-1201 Zinc 2.1 11/07/2017 13301072.0 80-1201 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 48 of 55 ICP-MS Metals - MB Batch:Prep Method: Prep Date: Sample ID:SQ56445-001 56445 3005A 11/07/2017 809Analytical Method:6020B Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Antimony 0.50 11/10/2017 1825U2.0 0.50 ug/L1 Arsenic 1.3 11/10/2017 1825U2.0 1.3 ug/L1 Beryllium 0.13 11/10/2017 1825U0.40 0.13 ug/L1 Cadmium 0.13 11/10/2017 1825U0.50 0.13 ug/L1 Cobalt 0.63 11/10/2017 1825U5.0 0.63 ug/L1 Lead 0.25 11/10/2017 1825U1.0 0.25 ug/L1 Selenium 1.3 11/10/2017 1825U5.0 1.3 ug/L1 Thallium 0.13 11/10/2017 1825U0.50 0.13 ug/L1 Vanadium 1.5 11/10/2017 1825U5.0 1.5 ug/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 49 of 55 ICP-MS Metals - LCS Batch:Prep Method: Prep Date: Sample ID:SQ56445-002 56445 3005A 11/07/2017 809Analytical Method:6020B Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(ug/L)(ug/L) Antimony 99 11/10/2017 18319910080-1201 Arsenic 96 11/10/2017 18319610080-1201 Beryllium 100 11/10/2017 183110010080-1201 Cadmium 100 11/10/2017 183110010080-1201 Cobalt 95 11/10/2017 18319510080-1201 Lead 100 11/10/2017 183110210080-1201 Selenium 100 11/10/2017 183110210080-1201 Thallium 100 11/10/2017 183110410080-1201 Vanadium 95 11/10/2017 18319510080-1201 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 50 of 55 CVAA - MB Batch:Prep Method: Prep Date: Sample ID:SQ56172-001 56172 7470A 11/03/2017 1413Analytical Method:7470A Matrix:Aqueous Parameter Result Q LOQ DL Units Analysis DateDil Mercury 0.000091 11/03/2017 1752U0.00010 0.000091 mg/L1 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 51 of 55 CVAA - LCS Batch:Prep Method: Prep Date: Sample ID:SQ56172-002 56172 7470A 11/03/2017 1413Analytical Method:7470A Matrix:Aqueous Parameter Result Q % Rec Spike Amount Analysis Date % Rec LimitDil(mg/L)(mg/L) Mercury 0.0020 11/03/2017 17541000.0020 80-1201 Note:Calculations are performed before rounding to avoid round-off errors in calculated results LOQ = Limit of Quantitation U = Not detected at or above the detection limit J = Estimated result < LOQ and > DL N = Recovery is out of criteriaP = The RPD between two GC columns exceeds 40% + = RPD is out of criteria_DL = Detection Limit LOD = Limit of Detection 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 52 of 55 Chain of Custody and Miscellaneous Documents 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 53 of 55 SHEALY ENVIRONMENTAL SERVICES, INC. 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 54 of 55 SHEALY ENVIRONMENTAL SERVICES, INC. 106 Vantage Point Drive West Columbia, SC 29172 (803) 791-9700 Fax (803) 791-9111 www.shealylab.com Shealy Environmental Services, Inc. Page 55 of 55