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2021.04.21_Chemours VES Report (002)
Intended for The Chemours Company – Fayetteville, North Carolina Document type Report Date April 2021 SOURCE EMISSIONS TESTING OF THE VINYL ETHERS SOUTH CARBON BED Ramboll 7600 Morgan Road Liverpool, NY 13090 USA T 315-637-2234 F 315-637-2819 https://ramboll.com I\\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx SOURCE EMISSIONS TESTING OF THE VINYL ETHERS SOUTH CARBON BED Project name PFAS Emissions Testing Project no. 1087637\19400100745 Recipient Christel Compton Document type Report Version 1 Date April 21, 2021 Prepared by Patrick Grady, Project Associate Checked by David Ostaszewski, PE, Senior Managing Engineer Ramboll 7600 Morgan Road Liverpool, NY 13090 USA T 315-637-2234 F 315-637-2819 https://ramboll.com I\\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx ________________________________ Patrick Grady Project Associate Ramboll ________________________________ David Ostaszewski, PE Senior Managing Engineer Ramboll This report has been reviewed and to the best of our knowledge the report is complete, and the results presented herein are accurate, error free, legible, and representative of the actual emissions measured during testing. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 1/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx CONTENTS 1. Introduction and Background 3 Testing Objective 3 Emissions Testing Program Participants 3 2. Process Description 5 Process Description 5 Operating Conditions During Testing 5 3. Summary of Test Program 6 Test Program Summary 6 4. Sampling and Analytical Procedures 7 Test Methods 7 Sampling Locations 7 Gas Velocity and Volumetric Flow Rate 7 Oxygen and Carbon Dioxide Concentrations 7 Moisture Content 8 HFPO-DA Emissions 8 4.6.1 HFPO-DA Sample Train and Equipment Preparation 8 4.6.2 HFPO-DA Sample Train Recovery 9 5. Emissions Test Results 10 Emission Test Results 10 Discussion and Conclusion 10 6. Quality Assurance/Quality Control 11 Equipment Calibration 11 Equipment Leak Checks 11 Reagent Blanks and Field Blanks 12 Test Data and Report Review 12 Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 2/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx LIST OF TABLES 1. Summary of Emission Test Results LIST OF APPENDICES A. Process Operating Data B. Schematic of the Test Locations C. Field Data and Calculations D. Laboratory Data E. Equipment Calibration Data Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 3/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 1. INTRODUCTION AND BACKGROUND Ramboll Americas Engineering Solutions, Inc. (Ramboll) was retained by The Chemours Company (Chemours) to conduct source emissions testing at its facility located in Fayetteville, North Carolina. Ramboll has prepared the following test report summarizing the results of the testing on behalf of Chemours. Testing Objective As provided in their Title V Air Permit, Chemours is required to evaluate hexafluoro-propylene oxide-dimer acid (HFPO-DA) emissions from a carbon bed adsorber at the Fayetteville Works facility. The objective of this test program was to collect field sample data from the inlet and outlet to the carbon bed serving the Vinyl Ethers South (VES) process area to determine carbon bed replacement frequency. The source emissions test program was performed on March 12, 2021. Messrs. Patrick Grady, Jeff Sheldon, Brian Goodhile, Antonio Anderson and Ms. Samantha Waters of Ramboll conducted the emissions testing. Ms. Christel Compton and Mr. Edward Vega coordinated process operations with the emissions testing. There were no representatives from any of the regulatory agencies present to observe the field test program. This report presents a description of the sources tested, a summary of the scope of work conducted, sampling methods used, QA/QC procedures, and emission test results. The following section lists the testing program’s participants and their contact information. Emissions Testing Program Participants Facility Name: The Chemours Company Site Address: 22828 Hwy 87 W Fayetteville, NC 28306 Contact: Christel E. Compton e-mail: christel.e.compton@chemours.com Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 4/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx Source Testing Firm Name: Ramboll Address: 7600 Morgan Road Liverpool, NY 13090 Contact: Patrick Grady e-mail: Patrick.grady@ramboll.com Sample Analysis Laboratory Name: Eurofins/TestAmerica, Knoxville Address: 5815 Middlebrook Pike Knoxville, Tennessee 37921 Contact: Courtney Adkins e-mail: courtney.adkins@testamericainc.com Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 5/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 2. PROCESS DESCRIPTION This section provides a description of the VES process. Process Description VES is part of the fluoromonomer area at the Fayetteville facility. This area produces fluorocarbon compounds used to produce Chemours products, such as Nafion® Krytox® and Viton®. Indoor air fugitive emissions from VES are vented to a carbon bed which is then vented to atmosphere through a process stack (NEP-Hdr2). Operating Conditions During Testing Source emissions testing was performed during normal operations of the VES process. Facility personnel monitored and recorded process operations during the testing. These operating data were provided to Ramboll and are included in Appendix A of this report. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 6/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 3. SUMMARY OF TEST PROGRAM This section provides a summary of the testing scope of work conducted. Test methods used during the sampling program can be found in Section 4 of this report. Test Program Summary Emissions testing was conducted simultaneously at the inlet and outlet of the VES carbon bed in order to evaluate potential emissions and removal efficiencies of HFPO-DA. The testing at each location was conducted in triplicate and each test run was 96 minutes in duration. Results of the source emission testing are reported in units of milligrams per dry standard cubic meter (mg/dscm) and pounds per hour (lb/hr). Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 7/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 4. SAMPLING AND ANALYTICAL PROCEDURES This section provides a description of the test methods that were utilized during the test program. Test Methods The test procedures were conducted in accordance with the most recent updates to the United States Environmental Protection Agency (USEPA) Reference Methods (RM) described in 40 CFR 60; Appendix A. RM 1: Sample and velocity traverses for stationary sources RM 2: Determination of stack gas velocity and volumetric flow rate (Type S pitot tube) RM 3: Determination of oxygen and carbon dioxide concentrations in emissions from stationary sources RM 4: Determination of moisture content in stationary sources Modified 0010: Determination of PFAS emissions from stationary sources (modified) Sampling Locations The sampling ports at the 36-inch inside diameter (ID) carbon bed inlet duct are located approximately 35 inches (1.0 diameters) downstream of a bend and approximately 41 inches (1.1 diameters) upstream of another bend. Test ports in the 41½ -inch ID carbon bed outlet stack are located approximately 12 ½ feet (3.6 diameters) downstream of a bend and approximately 31 feet (8.9 diameters) upstream from another bend. A total of 12 traverse points were sampled on each diameter during each test run for a total of 24 traverse points at each test location. Traverse points were located in accordance with USEPA RM 1. Schematics of the sample locations along with traverse point locations are provided in Appendix B. Gas Velocity and Volumetric Flow Rate Velocity was evaluated from differential pressure measurements using a stainless-steel Type-S pitot tube and oil manometer in accordance with USEPA RMs 1 and 2. These methods were conducted in conjunction with each test run. Exhaust gas volumetric flow rate in units of dry standard cubic feet per minute (dscfm) were derived from velocity, temperature, molecular weight, and moisture measurements. Pollutant mass emission rates (lb/hr) were calculated using these volumetric flow rate data and pollutant concentrations. Oxygen and Carbon Dioxide Concentrations Concentrations of oxygen (O2) and carbon dioxide (CO2) were evaluated at both locations in accordance with modified USEPA RM 3 procedures using a Fyrite® combustion analyzer. A grab sample was collected and introduced into the Fyrite® for O2 and CO2 analysis. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 8/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx Moisture Content The moisture content of the sample trains was quantified utilizing procedures identified in USEPA RM 4. A sample of gas was continuously collected from each traverse point using a dry gas meter stack sampling system along with a series of impingers. The moisture content of the gas was measured as a change in the volume of the water collected in each impinger solution and the increased weight of the desiccant during the sampling period. HFPO-DA Emissions HFPO-DA emissions were evaluated in accordance with a modified USEPA Method 0010. The sample train consisted of a glass nozzle attached directly to a heated borosilicate glass-lined probe. The probe was connected directly to a heated borosilicate glass filter holder containing a solvent-extracted glass fiber filter. In order to minimize possible thermal degradation of the HFPO-DA, the probe and particulate filter were heated to just above stack temperature to minimize water vapor condensation before the filter. The filter holder exit was connected to a water-cooled coil condenser followed by a water-cooled sorbent module containing approximately 40 grams of XAD-2 resin. The XAD-2 inlet temperature was monitored to ensure that the module is maintained at a temperature below 20oC. The XAD-2 resin trap was followed by a condensate knockout impinger and a series of two impingers each containing 100-ml of high purity deionized water. The water impingers were followed by another condensate knockout impinger equipped with a second XAD-2 resin trap to account for any sample breakthrough. The final impinger contained approximately 250 grams of dry pre-weighed silica gel. The water impingers and condensate impingers were submerged in an ice bath through the duration of the testing. The water in the ice bath was also used to circulate around the coil condenser and the XAD-2 resin traps. Exhaust gases were extracted from the sample locations isokinetically using a metering console equipped with a vacuum pump, a calibrated orifice, oil manometer and probe/filter heat controllers. 4.6.1 HFPO-DA Sample Train and Equipment Preparation Prior to conducting the field work the following procedures were conducted to prepare the field sampling glassware and sample recovery tools. 1. Wash all glassware, brushes, and ancillary tools with low residue soap and hot water. 2. Rinse all glassware, brushes, and ancillary tools three (3) times with D.I. H20. 3. Bake glassware (with the exception of probe liners) at 450˚C for approximately 2 hours, (XAD-2 resin tube glassware will be cleaned by Eurofins/TestAmerica by this same procedure). 4. Solvent rinse three (3) times all glassware, brushes, and ancillary tools with the following sequence of solvents: acetone, methylene chloride, hexane, and methanol. 5. Clean glassware and tools will be sealed in plastic bags or aluminum foil for transport to the sampling site. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 9/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 6. Squirt bottles will be new dedicated bottles of known history and dedicated to the D.I. Water and methanol/ammonium hydroxide (MeOH/ 5% NH4OH) solvent contents. Squirt bottles will be labelled with the solvent content it contains. 4.6.2 HFPO-DA Sample Train Recovery Following completion of each test run, the sample probe, nozzle and front-half of the filter holder were brushed and rinsed three times each with the MeOH/ 5% NH4OH solution (Container #1). The glass fiber filter was removed from its housing and transferred to a polyethylene bottle (Container #2). Any particulate matter and filter fibers which adhered to the filter holder and gasket were also placed in Container #2. The XAD-2 resin trap was sealed, labelled and placed in an iced sample cooler. The back-half of the filter holder, coil condenser condensate trap and connecting glassware were rinsed with the same MeOH/ 5% NH4OH solution and placed in Container #3. The volume of water collected in the second and third impingers was measured for moisture determinations and then placed in Container #4. Impingers #2 and #3 were then rinsed with the MeOH/ 5% NH4OH solution and placed in Container #5. The second (breakthrough) XAD-2 resin trap was sealed, labelled and placed in an iced sample cooler. The second condensate trap was rinsed with the MeOH/ 5% NH4OH solution and placed in Container #5. The contents of the fifth impinger were placed in its original container and weighed for moisture determinations. Containers were sealed and labeled with the appropriate sample information. Samples remained chilled until analysis. HFPO-DA analysis was conducted using liquid chromatography/dual mass spectrometry (LC/MS/MS). Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 10/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 5. EMISSIONS TEST RESULTS A detailed summary of the test results is presented in Table 1 in the appendix. Supporting field data and calculations can be found in Appendix C. The laboratory report is presented in Appendix D. A brief discussion of the test results is presented below. Emission Test Results Table 1 presents a detailed summary of the HFPO-DA test results. HFPO-DA concentrations at the carbon bed inlet ranged from 2.12E-03 mg/dscm to 7.02E-03 mg/dscm and averaged 4.48E-03 mg/dscm. Corresponding mass emissions of HFPO-DA ranged from 1.48E-04 lb/hr to 5.14E-04 lb/hr and averaged 3.21E-04 lb/hr. Concentrations of HFPO-DA at the carbon bed outlet ranged from 1.03E-03 mg/dscm to 1.75E-03 mg/dscm and averaged 3.16E-03 mg/dscm. Mass emission rates of HFPO-DA from the carbon bed outlet ranged from 6.26E-05 lb/hr to 1.07E-04 lb/hr and averaged 7.79E-05 lb/hr. The resulting average HFPO-DA removal efficiency of the VES carbon bed was 76 percent. A review of Table 1 indicates that HFPO-DA emissions at the carbon bed inlet steadily decreased during Runs 2 and 3. There were no sampling issues or leak check problems of the sampling trains during any of the test runs. The decreased removal efficiency from the carbon bed during Run 3 can be attributed to the lower fugitive emissions during this test run. Discussion and Conclusion As previously mentioned in Section 5.1, there were no sampling or process operating problems encountered during the field testing that impacted the test results. Therefore, all test data are believed to be representative of actual emissions in evidence during the test program. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 11/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx 6. QUALITY ASSURANCE/QUALITY CONTROL QA/QC was based on the recommended QA/QC procedures of the various sampling and analytical methods that were used for the test program. This section summarizes the pertinent QA/QC procedures that were employed during the emissions testing program. Equipment Calibration An important aspect of pre-sampling preparations is the inspection and calibration of all equipment planned to be used for the field effort. Equipment is inspected for proper operation and durability prior to calibration. Calibration of equipment is conducted in accordance with the procedures outlined in the USEPA document entitled "Quality Assurance Handbook for Air Pollution Measurement Systems; Volume III—Stationary Source Specific Methods" (EPA-600/4- 77-027b). Equipment calibration is performed in accordance with USEPA guidelines and/or manufacturer’s recommendations. Examples of the typical calibration requirements of the field equipment being used are as follows: • Pitot tubes (QA Handbook Section 3.1.2, pp. 1-13) - measured for appropriate spacing and dimensions or calibrate in a wind tunnel. Rejection criteria given on the calibration sheet. Post-test check - inspect for damage. • Probe nozzles (QA Handbook Section 3.4.2, pg. 19) - make three measurements of the nozzle ID (to the nearest 0.001 in.) using different diameters with a micrometer. Difference between the high and low values should not exceed 0.004 in. Post-test check - inspect for damage. • Thermocouples (QA Handbook Section 3.4.2, pp. 15-18) - verify against a mercury-in-glass thermometer at two or more points including the anticipated measurement range. Acceptance limits - impinger ±2°F; DGM ±5.4°F; stack ±1.5 percent of stack temperature. • Dry gas meters (QA Handbook Section 3.4.2, pp. 1-12) - Dry gas meters are calibrated using critical orifices. The procedure entails four runs using four separate critical orifices running at an actual vacuum 1-2 in. greater than the theoretical critical vacuum. The minimum sample volume required per orifice is 5 ft3. Meter boxes are calibrated annually and then verified by use of the alternative USEPA RM 5 post-test calibration procedure. This procedure is referenced as Approved Alternate Method ALT-009 (June 21, 1994) by USEPA’s Emission Measurement Center. The average Y-value obtained by this method must be within 5% of the initial Y-value. Equipment Leak Checks Pitot tube leak checks were conducted in accordance with USEPA RM 2. Leak checks were conducted on the HFPO-DA sample trains prior to and following each test run in accordance with the procedures outlined in USEPA RM 5, Sections 8.4.1 and 8.4.2. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed 12/12 \\Ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES Final Report.Docx Reagent Blanks and Field Blanks A field blank for the Modified USEPA RM 0010 sample train was collected as part of the test program. The blank train was assembled and set-up near one of the carbon bed outlet test locations and as close to the outlet sample train as possible. The blank train remained in place for the duration of the sampling run. The blank train was heated to the same temperature as used for the outlet sampling train, and the impinger portion of the train was iced down and chilled water circulated through the coil condenser as described in SW-846 Method 0010. The blank train was recovered in the same location, and by the same procedures as the actual sampling trains. Additionally, a proof blank train rinse sample was collected one time during the sampling campaign. The glassware components of the train received a thorough solvent rinse after samples were recovered and put away for a sampling run. This secondary rinse was used to prove that the sampling breakdown collection processes capture all HFPO-DA material, and generally leave none of the target analytes uncaptured on the sample glassware. All sampling train glassware parts, including brushes and other tools used, were thoroughly rinsed with MeOH / 5% NH4OH solution to evaluate the general rinsing efficiency of the sampling train recovery process. Reagent blanks of the diH2O used in the sample trains and MeOH/5% NH4OH solution used for sample recovery were also submitted to the laboratory for analysis along with the field samples. The field blank train was collected during test Run 1. The proof blank was collected following completion of Run 1. Results of the field blank, proof blank and reagent blanks and are included with the laboratory reports in Appendix D. Test Data and Report Review Test data input and emission calculations were double-checked for accuracy. The test results were reviewed by senior personnel for reasonableness and accuracy. The final report was peer reviewed by senior personnel and certified by the project manager. Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed TABLES Table 1 The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Fayetteville, North Carolina Run Identification Run 1 Run 2 Run 3 Average Run 1 Run 2 Run 3 Average Source ID:Carbon Bed Inlet Carbon Bed Outlet Run Date 12Mar21 12Mar21 12Mar21 12Mar21 12Mar21 12Mar21Start/Stop Time 0759-0948 1050-1254 1323-1521 0759-0948 1050-1254 1323-1521 Exhaust Gas Conditions Temperature (deg. F)67 72 76 72 73 78 79 76 Moisture (volume %)0.7 1.2 1.1 1.0 1.0 1.0 1.0 1.0 Oxygen (dry volume %)20.9 20.9 20.9 20.9 20.9 20.9 20.9 20.9 Carbon Dioxide (dry volume %)0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Volumetric Flow Rateacfm 19,498 18,770 19,032 19,100 16,431 16,627 16,482 16,513 dscfm 19,567 18,577 18,688 18,944 16,406 16,434 16,262 16,367 HFPO - Dimer Acid mg/dscm 7.02E-03 4.31E-03 2.12E-03 4.48E-03 1.75E-03 1.03E-03 1.03E-03 1.27E-03 lb/hr 5.14E-04 3.00E-04 1.48E-04 3.21E-04 1.07E-04 6.37E-05 6.26E-05 7.79E-05 Carbon Bed Removal Efficiency percent 79 79 58 76 \\ramashfile01\RAM_Projects\Chemours.1088211\1940100745.Chemours-Fayettevill\Docs\Reports\VES\VES_Inlet_031221.xlsx\Summary Table Page 1 of 1 Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed APPENDIX A PROCESS OPERATING DATA Date 3/12/2021 Time Stack Testing VES Product VES Precursor VES Condensation (HFPO) VES ABR (East) VES ABR (West) VES Refining Burnout 1300 1400 1500 Run 1: 0759-0948 Run 2: 1050-1254 Run 3: 1323-1521 700 800 900 1000 1100 1200 Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed APPENDIX B SCHEMATICS OF THE TEST LOCATIONS Crossectional Area Showing Velocity Traverse Point Locations 35” 36” Air Flow 41” Figure 1 Carbon Bed Inlet Sampling Location Vinyl Ethers South The Chemours Company Fayetteville, North Carolina Sample Traverse Point Locations for Circular Stacks Facility:The Chemours Company Source Identification:VES Carbon Bed Inlet Stack Diameter:36 inches Sampling Locations: 1.0 diameters downstream 1.1 diameters upstream Minimum Number of Traverse points as specified by EPA Method 1: 24 Number of traverse points sampled: 24 Traverse Point Percent of Stack Diameter Distance in Inches Number From Inside Wall From Inside Wall* 1 2.1 1.0 2 6.7 2.4 3 11.8 4.2 4 17.7 6.4 5 25.0 9.0 6 35.6 12.8 7 64.4 23.2 8 75.0 27.0 9 82.3 29.6 10 88.2 31.8 11 93.3 33.6 12 97.9 35.0 *Traverse points located within 1.00" to the stack wall for stacks having an inside diameter greater than 24" will be relocated as well as traverse points located within 0.50 inches to the stack wall on stacks with a 24" ID or less to meet criteria. C:\Stack\Field Spreadsheets\Method 1\Traverse_new.xlsx Crossectional Area Showing Velocity Traverse Point Locations Air Flow 12.5’ 31’ 36” Figure 2 Carbon Bed Outlet Sampling Location Vinyl Ethers South The Chemours Company Fayetteville, North Carolina Sample Traverse Point Locations for Circular Stacks Facility:The Chemours Company Source Identification:VES Carbon Bed Outlet Stack Diameter:41.5 inches Sampling Locations: 3.6 diameters downstream 8.9 diameters upstream Minimum Number of Traverse points as specified by EPA Method 1: 24 Number of traverse points sampled: 24 Traverse Point Percent of Stack Diameter Distance in Inches Number From Inside Wall From Inside Wall* 1 2.1 1.0 2 6.7 2.8 3 11.8 4.9 4 17.7 7.3 5 25.0 10.4 6 35.6 14.8 7 64.4 26.7 8 75.0 31.1 9 82.3 34.2 10 88.2 36.6 11 93.3 38.7 12 97.9 35.0 *Traverse points located within 1.00" to the stack wall for stacks having an inside diameter greater than 24" will be relocated as well as traverse points located within 0.50 inches to the stack wall on stacks with a 24" ID or less to meet criteria. C:\Stack\Field Spreadsheets\Method 1\Traverse_new.xlsx Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed APPENDIX C FIELD DATA AND CALCULATIONS VES Carbon Bed Inlet Field Test Data Table 1 The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Fayetteville, North Carolina Run Identification Run 1 Run 2 Run 3 Average Run 1 Run 2 Run 3 Average Source ID:Carbon Bed Inlet Carbon Bed Outlet Run Date 12Mar21 12Mar21 12Mar21 12Mar21 12Mar21 12Mar21 Start/Stop Time 0759-0948 1050-1254 1323-1521 0759-0948 1050-1254 1323-1521 Exhaust Gas ConditionsTemperature (deg. F)67 72 76 72 73 78 79 76 Moisture (volume %)0.7 1.2 1.1 1.0 1.0 1.0 1.0 1.0 Oxygen (dry volume %)20.9 20.9 20.9 20.9 20.9 20.9 20.9 20.9 Carbon Dioxide (dry volume %)0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Volumetric Flow Rate acfm 19,498 18,770 19,032 19,100 16,431 16,627 16,482 16,513 dscfm 19,567 18,577 18,688 18,944 16,406 16,434 16,262 16,367 HFPO - Dimer Acidmg/dscm 7.02E-03 4.31E-03 2.12E-03 4.48E-03 1.75E-03 1.03E-03 1.03E-03 1.27E-03 lb/hr 5.14E-04 3.00E-04 1.48E-04 3.21E-04 1.07E-04 6.37E-05 6.26E-05 7.79E-05 Carbon Bed Removal Efficiency percent 79 79 58 76 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\Summary Table Field Data SummaryThe Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed InletFayetteville, North Carolina Run 1 Run 2 Run 3 Traverse Stack Delta Delta Tm(F)SQRT Stack Delta Delta Tm(F)SQRT Stack Delta Delta Tm(F)SQRT Point Temp(F) P H in out Delta P Temp(F) P H in out Delta P Temp(F) P H in out Delta P A1 66 1.10 1.32 56 54 1.0488 70 0.61 0.73 75 73 0.7810 75 0.93 1.12 85 82 0.96442661.10 1.32 58 54 1.0488 70 0.61 0.73 77 73 0.7810 75 0.93 1.12 85 82 0.96443661.10 1.32 62 55 1.0488 70 0.61 0.73 77 73 0.7810 75 0.93 1.12 86 82 0.96444661.10 1.32 64 56 1.0488 70 0.61 0.73 79 74 0.7810 75 0.88 1.06 90 84 0.93815660.92 1.10 66 56 0.9592 71 0.66 0.79 81 74 0.8124 75 0.85 1.02 91 84 0.92206660.88 1.06 67 57 0.9381 71 0.68 0.82 81 74 0.8246 75 0.78 0.94 91 85 0.88327660.81 0.97 68 58 0.9000 71 0.69 0.83 81 75 0.8307 75 0.74 0.89 92 85 0.86028660.47 0.56 69 59 0.6856 71 0.59 0.71 82 75 0.7681 75 0.70 0.84 91 85 0.83679670.39 0.47 68 60 0.6245 71 0.54 0.65 82 76 0.7348 76 0.42 0.50 90 85 0.648110670.28 0.34 69 61 0.5292 71 0.54 0.65 82 76 0.7348 76 0.36 0.43 89 85 0.6000 11 70 0.28 0.34 68 61 0.5292 71 0.54 0.65 82 76 0.7348 76 0.36 0.43 89 85 0.600012690.28 0.34 69 62 0.5292 71 0.54 0.65 83 76 0.7348 76 0.36 0.43 89 86 0.6000B1670.63 0.76 67 63 0.7937 72 0.99 1.89 78 77 0.9950 77 0.59 0.71 83 83 0.76812670.63 0.76 70 65 0.7937 72 0.99 1.89 80 77 0.9950 77 0.59 0.71 84 83 0.76813670.63 0.76 71 65 0.7937 72 0.99 1.89 80 77 0.9950 77 0.59 0.71 85 83 0.76814670.66 0.79 73 66 0.8124 72 0.85 1.02 84 77 0.9220 77 0.60 0.72 85 82 0.77465670.72 0.86 73 66 0.8485 73 0.85 1.02 84 77 0.9220 77 0.60 0.72 86 82 0.77466670.75 0.90 74 67 0.8660 73 0.77 0.92 84 77 0.8775 77 0.66 0.79 86 83 0.81247680.76 0.91 75 67 0.8718 73 0.72 0.86 84 78 0.8485 77 0.68 0.82 87 82 0.82468680.66 0.79 76 68 0.8124 73 0.46 0.55 84 77 0.6782 77 0.60 0.72 87 82 0.7746 9 67 0.65 0.78 75 68 0.8062 73 0.36 0.43 83 78 0.6000 76 0.57 0.68 87 82 0.755010670.67 0.80 76 69 0.8185 73 0.34 0.44 83 77 0.5831 77 0.57 0.68 87 82 0.755011670.67 0.80 76 69 0.8185 73 0.34 0.44 84 78 0.5831 77 0.57 0.68 87 82 0.755012680.63 0.76 76 69 0.7937 73 0.34 0.44 83 77 0.5831 78 0.57 0.68 87 82 0.75500.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.0000 0.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.0000Average670.70 0.84 69 62 0.8216 72 0.63 0.85 81 76 0.7867 76 0.64 0.77 87 83 0.7944 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\TestData.xls Test Data Summary and Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed InletFayetteville, North Carolina Parameter Run 1 Run 2 Run 3 Run Date 3/12/21 3/12/21 3/12/21Start/Stop Time 0759-0948 1050-1254 1323-1521 Duration of Run, Minutes 96 96 96 Ave. Nozzle Diameter, inches 0.193 0.193 0.193Pitot Calibration Factor, CF 0.84 0.84 0.84Meter Gamma 1.002 1.002 1.002 Meter Delta H, inches of H2O 1.6 1.6 1.6Stack Diameter, inches 36 36 36Rectangular Width, inches 0 0 0 Rectangular Length, inches 0 0 0 Stack Area, sq.ft.7.07 7.07 7.07Barometric Pressure, inches of Hg 30.35 30.35 30.35Static Pressure, inches of H2O -2.3 -2.3 -2.3 Dry Gas Meter Sample Volume, (VM)ft3Initial 120.98 171.739 223.419Final171.674 222.905 273.621 Total Volume 50.694 51.166 50.202 Ave. Stack Temperature, Ts(F)67.0 71.7 76.2Ave. Meter Temperature, Tm(F)65.9 78.6 85.4Ave. Run Delta H, inches of H2O 0.84 0.85 0.77 Ave. Square Root of Delta P 0.8216 0.7867 0.7944 Moisture Data Volume of water collected, mls -0.8 2.2 2.8 Silica Gel, grams 8.6 11 9.4 Total Collected, mls 7.8 13.2 12.2 ORSAT Data %O2 20.90 20.90 20.90%CO2 0.0 0.0 0.0 %CO Calculations Vw(std), scf =0.367 0.621 0.574Vm(std), dscf =51.841 51.082 49.494Bws=0.007 0.012 0.011 Md=28.84 28.84 28.84Ms=28.76 28.71 28.71Vs, ft/sec =46.0 44.3 44.9 Qs, acfm =19,498 18,770 19,032 Qs(std), dscfm =19,567 18,577 18,688Isokinetic Sampling Rate, %96.0 99.7 96.0 Where: An = area of the nozzleAs = area of the stackVw(std) = volume of water vapor in gas, standard conditions = 0.04707*Vlc Vm(std) = vol. of gas sampled, standard conditions = 17.647 x Vm x gamma x [Pb + (dH/13.6)]/Tm(R)Bws = water vapor in gas stream, proportion by volume = Vw(std)/(Vm(std) + Vw(std))Md = molecular weight of stack gas, dry basis = (0.44 x%CO2) + (0.32 x%O2) + [0.28 x (%N2 + %CO)] Ms = molecular weight of stack gas, wet basis = [Md x (1-Bws)] + (18.0 x Bws) Vs = stack gas velocity = 85.49 x Cp x (avg. Sq.Rt. dP) x [Sq.Rt. (Ts(R))/(Ms x Ps)]Qs = stack gas flow rate = Vs x As x 60Qs(std) = stack gas flow rate, standard conditions = Qs x (1-Bws) x (528/(Ts(R)) x (Ps/29.92) Isokinetic sampling rate = {(Ts(R)) x [(0.00267 x Vlc) + (Vm(std)/17.647)] x 100}/(Time x vs x Ps x An x60) C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\Summary Data.xls Results SummaryThe Chemours Company - Fayetteville WorksVinyl Ethers South Carbon Bed InletFayetteville, North Carolina Parameter:Run 1 Run 2 Run 3 Average Mol. Wt. mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr HFPO - Dimer Acid 330 0.01030 7.02E-03 5.11E-04 5.14E-04 0.00623 4.31E-03 3.14E-04 3.00E-04 0.00297 2.12E-03 1.54E-04 1.48E-04 0.01 4.48E-03 3.27E-04 3.21E-04 Where:Pollutant Emission Concentration:mg= total sample collected, milligramsmg/dscm = milligrams of pollutant per dry standard cubic meter sampled = (mg/dscf ) x (35.314 cubic feet/cubic meter) ppm = parts per million =((mg/dscm x 24.04 liters/mol)/mol.wt)) Pollutant Emission Rate:lb/hr = pounds of pollutant emitted per hour = mg/1000/[(453.59 g/lb)/(dscf)] x dscfm x 60 min/hr C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\Other Lab Results.xls Example Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Inlet Fayetteville, North Carolina Note: Values are shown for example purposes only. Vm,a =Dry gas volume at actual conditions (acf) Initial gas meter volume: Final gas meter volume: Difference: Vm,std =Volume of dry gas at standard conditions (dscf) =17.647x Vm, a x Gamma*[Pbar+(DeltaH/13.6)]/Tm(R)=17.647 x 0.000 x 1.002 x (30.35 + [ (1.600 /13.6)]/526 =51.841 Vl,c =Volume of water collected in impingers and silica gel (ml) impinger catch (mls):-1 silica gel (g)8.6 total:7.8 Vw,std =Volume of water vapor in gas at standard conditions (cu.ft.) =(0.04707) x (Vl,c) =0.04707 x 7.8 =0.367 Bwo =Proportion by volume of water vapor in gas stream =Vw,std/(Vw,std+Vm,std) =0.37 / (0.37 +51.841 ) =0.007 Ps =Stack gas static pressure (in. Hg) =St/13.6 =-2.30 / 13.6=-0.169 Pa =Absolute stack gas pressure (in. Hg) =Ps+Pbar =-0.169 +30.35 =30.18 MFD =Dry mole fraction of stack gas =1-Bwo =1 - =0.993 Md =Dry molecular weight of stack gas (lb/lb-mol) =(0.32 x %O2) + (0.44 x %CO2) + (0.28 x %N2) =(0.32 x 20.90 )+(0.44 x 0.00 ) +(0.28 x 79.10 ) =28.84 Mw =Wet molecular weight of stack gas (lb/lb-mol) =(Md) x (MFD) + (0.18) x (Bwo*100) =28.84 x 0.993 + 0.18 x 0.70324 =28.76 0.007 120.980171.674 50.694 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\Example Page 5 of 6 Example Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Inlet Fayetteville, North Carolina Note: Values are shown for example purposes only. Vs,avg =Average stack gas velocity (fps) =Kp x (Cp) x (sqrt,deltaP) x sqrt((Ts + 460°R)/Mw*Pa)) =85.48 x 0.84 x 0.82 x sqrt (0.61 ) =46.0 A Cross sectional areas of stack (sq. ft) =pi/4*d^2=3.00 ^2 =7.07 Qa Volumetric flow rate at actual conditions (acfm) =(60)sec/min(A)(Vs, avg) =60 x 7.0686 x 45.97 =19,496 Qstd Volumetric flow rate at standard conditions (scfm) =Qa x (528/Ts,avg + 460) x Pa/29.92 =19,496 x (528 /527 ) x 1.009 =19,704 Qstd,dry Volumetric flow rate at dry standard conditions per minute(dscfm) =Qstd x (1-Bwo) =19,704 x 0.9930 =19,565 mg/dscm HFPO-DA concentration =(mg/dscf) x 35.314 cu. ft./cu. meter = (0.010 /51.84 ) x35.314 =7.02E-03 lb/hr HFPO-DA Mass Emission Rate =mg/1000/[(453.59 g/lb)/(dscf)] x dscfm x 60 min/hr =0.010 /1,000 /[(453.59 ) / (51.84 )] x 19,567 x 60 =5.14E-04 3.14159/4 x C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Inlet_031221.xlsx\Example Page 6 of 6 DOCUMENT TITLE Sample Train Recovery Data Sheet Client The Chemours Co.Location Fayetteville, NC Source VES Inlet Method Modified 0010 Date 3/12/2021 Run #1 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 759 Impinger #8 Run End Time 948 Total Gain ml/gm Recovery Technician PG Run #2 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 1050 Impinger #8 Run End Time 1254 Total Gain ml/gm Recovery Technician PG Run #3 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 1323 Impinger #8 Run End Time 1521 Total Gain ml/gm Recovery Technician PG 12.2 0.0 0.0 502.2 500.4 1.8 836.6 827.2 9.4 732.6 734.2 -1.6 745.2 744.0 1.2 448.0 447.6 0.4 783.2 782.2 1.0 13.2 Final ml or gm Initial ml or gm Net Gain 0.0 0.0 517.2 515.8 1.4 858.4 847.4 11.0 668.4 668.4 0.0 783.0 782.2 0.8 493.4 492.8 0.6 790.6 791.2 -0.6 0.0 7.8 Final ml or gm Initial ml or gm Net Gain 502.6 501.4 1.2 827.0 818.4 8.6 777.2 782.8 784.2 -1.4 755.4 756.2 -0.8 Final ml or gm Initial ml or gm Net Gain 447.8 447.6 0.2 777.2 0.0 0.0 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\App C\VES_Inlet_Moisture.xls\VES_Inlet_Moisture.xls VES Carbon Bed Outlet Field Test Data Table 1 The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Outlet Fayetteville, North Carolina Run Identification Run 1 Run 2 Run 3 Average EmissionLimit Run Date 12Mar21 12Mar21 12Mar21 Start/Stop Time 0759-0948 1050-1254 1323-1521 Exhaust Gas Conditions Temperature (deg. F)73 78 79 76Moisture (volume %)1.0 1.0 1.0 1.0 Oxygen (dry volume %)20.9 20.9 20.9 20.9 Carbon Dioxide (dry volume %)0.0 0.0 0.0 0.0 Volumetric Flow Rate acfm 16,431 16,627 16,482 16,513 dscfm 16,406 16,434 16,262 16,367 HFPO - Dimer Acid mg/dscm 1.75E-03 1.03E-03 1.03E-03 1.27E-03 lb/hr 1.07E-04 6.37E-05 6.26E-05 7.79E-05 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\Summary Table Field Data SummaryThe Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed OutletFayetteville, North Carolina Run 1 Run 2 Run 3 Traverse Stack Delta Delta Tm(F)SQRT Stack Delta Delta Tm(F)SQRT Stack Delta Delta Tm(F)SQRT Point Temp(F) P H in out Delta P Temp(F) P H in out Delta P Temp(F) P H in out Delta P A1 70 0.16 0.59 57 55 0.4000 78 0.18 0.67 78 75 0.4243 78 0.20 0.74 82 80 0.44722710.18 0.67 59 56 0.4243 78 0.20 0.74 79 75 0.4472 78 0.20 0.74 83 80 0.44723710.20 0.74 63 56 0.4472 78 0.20 0.74 81 76 0.4472 78 0.20 0.74 84 80 0.44724710.20 0.74 66 58 0.4472 78 0.25 0.93 83 76 0.5000 78 0.23 0.85 85 80 0.47965710.22 0.81 69 59 0.4690 77 0.28 1.04 83 76 0.5292 78 0.25 0.93 86 80 0.50006710.25 0.93 69 59 0.5000 77 0.28 1.04 85 79 0.5292 78 0.28 1.04 86 80 0.52927720.30 1.11 71 61 0.5477 77 0.32 1.18 86 78 0.5657 78 0.32 1.18 87 81 0.56578720.30 1.11 72 61 0.5477 77 0.32 1.18 86 78 0.5657 78 0.32 1.18 88 81 0.56579720.32 1.18 73 63 0.5657 77 0.32 1.18 86 78 0.5657 78 0.35 1.30 88 81 0.591610720.32 1.18 75 64 0.5657 77 0.35 1.30 86 78 0.5916 78 0.35 1.30 89 81 0.5916 11 72 0.32 1.18 75 64 0.5657 77 0.35 1.30 87 79 0.5916 79 0.35 1.30 89 82 0.591612730.35 1.30 76 65 0.5916 77 0.35 1.30 87 79 0.5916 79 0.35 1.30 90 82 0.5916B1730.18 0.67 74 68 0.4243 78 0.18 0.67 82 80 0.4243 80 0.18 0.67 85 83 0.42432730.20 0.74 75 68 0.4472 78 0.20 0.74 83 80 0.4472 80 0.20 0.74 86 83 0.44723730.18 0.67 76 69 0.4243 78 0.20 0.74 85 80 0.4472 79 0.20 0.74 88 83 0.44724730.21 0.77 77 69 0.4583 78 0.20 0.74 85 80 0.4472 79 0.20 0.74 88 83 0.44725730.30 1.11 78 70 0.5477 78 0.21 0.77 86 80 0.4583 79 0.20 0.74 89 83 0.44726740.28 1.04 79 70 0.5292 78 0.28 1.04 86 80 0.5292 79 0.25 0.93 89 83 0.50007740.30 1.11 79 70 0.5477 78 0.28 1.04 87 81 0.5292 79 0.25 0.93 89 83 0.50008740.37 1.36 80 71 0.6083 78 0.32 1.18 88 81 0.5657 79 0.30 1.11 89 83 0.54779740.35 1.30 81 72 0.5916 78 0.32 1.18 88 81 0.5657 79 0.32 1.18 90 83 0.565710740.37 1.36 81 72 0.6083 78 0.35 1.30 88 81 0.5916 79 0.35 1.30 90 83 0.591611740.37 1.36 81 72 0.6083 78 0.37 1.36 88 81 0.6083 79 0.35 1.30 90 83 0.591612750.38 1.40 81 72 0.6164 78 0.37 1.36 88 81 0.6083 79 0.35 1.30 90 83 0.59160.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.0000 0.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.0000 0.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.00000.0000 0.0000 0.0000Average730.28 1.02 74 65 0.5201 78 0.28 1.03 85 79 0.5238 79 0.27 1.01 88 82 0.5187 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\TestData.xls Test Data Summary and Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed OutletFayetteville, North Carolina Parameter Run 1 Run 2 Run 3 Run Date 3/12/21 3/12/21 3/12/21Start/Stop Time 0759-0948 1050-1254 1323-1521 Duration of Run, Minutes 96 96 96 Ave. Nozzle Diameter, inches 0.243 0.243 0.243Pitot Calibration Factor, CF 0.84 0.84 0.84Meter Gamma 0.991 0.991 0.991 Meter Delta H, inches of H2O 1.88 1.88 1.88Stack Diameter, inches 41.5 41.5 41.5Rectangular Width, inches 0 0 0 Rectangular Length, inches 0 0 0 Stack Area, sq.ft.9.39 9.39 9.39Barometric Pressure, inches of Hg 30.33 30.33 30.33Static Pressure, inches of H2O 1.3 1.3 1.3 Dry Gas Meter Sample Volume, (VM)ft3Initial 172.306 225.296 279.331Final224.906 279.151 333.34 Total Volume 52.429 53.738 53.788 Ave. Stack Temperature, Ts(F)72.6 77.7 78.7Ave. Meter Temperature, Tm(F)69.4 82.0 84.7Ave. Run Delta H, inches of H2O 1.02 1.03 1.01 Ave. Square Root of Delta P 0.5201 0.5238 0.5187 Moisture Data Volume of water collected, mls 1.8 2.8 1.4 Silica Gel, grams 9 8.8 10 Total Collected, mls 10.8 11.6 11.4 ORSAT Data %O2 20.90 20.90 20.90%CO2 0.0 0.0 0.0 %CO Calculations Vw(std), scf =0.508 0.546 0.537Vm(std), dscf =52.660 52.725 52.509Bws=0.010 0.010 0.010 Md=28.84 28.84 28.84Ms=28.73 28.72 28.73Vs, ft/sec =29.2 29.5 29.2 Qs, acfm =16,431 16,627 16,482 Qs(std), dscfm =16,406 16,434 16,262Isokinetic Sampling Rate, %97.5 97.5 98.1 Where: An = area of the nozzleAs = area of the stackVw(std) = volume of water vapor in gas, standard conditions = 0.04707*Vlc Vm(std) = vol. of gas sampled, standard conditions = 17.647 x Vm x gamma x [Pb + (dH/13.6)]/Tm(R)Bws = water vapor in gas stream, proportion by volume = Vw(std)/(Vm(std) + Vw(std))Md = molecular weight of stack gas, dry basis = (0.44 x%CO2) + (0.32 x%O2) + [0.28 x (%N2 + %CO)] Ms = molecular weight of stack gas, wet basis = [Md x (1-Bws)] + (18.0 x Bws) Vs = stack gas velocity = 85.49 x Cp x (avg. Sq.Rt. dP) x [Sq.Rt. (Ts(R))/(Ms x Ps)]Qs = stack gas flow rate = Vs x As x 60Qs(std) = stack gas flow rate, standard conditions = Qs x (1-Bws) x (528/(Ts(R)) x (Ps/29.92) Isokinetic sampling rate = {(Ts(R)) x [(0.00267 x Vlc) + (Vm(std)/17.647)] x 100}/(Time x vs x Ps x An x60) C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\Summary Data.xls Results SummaryThe Chemours Company - Fayetteville WorksVinyl Ethers South Carbon Bed OutletFayetteville, North Carolina Parameter:Run 1 Run 2 Run 3 Average Mol. Wt. mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr mg mg/dscm ppm lb/hr HFPO - Dimer Acid 330 0.00261 1.75E-03 1.27E-04 1.07E-04 0.00154 1.03E-03 7.54E-05 6.37E-05 0.00153 1.03E-03 7.49E-05 6.26E-05 0.00 1.27E-03 9.25E-05 7.79E-05 Where:Pollutant Emission Concentration:mg= total sample collected, milligramsmg/dscm = milligrams of pollutant per dry standard cubic meter sampled = (mg/dscf ) x (35.314 cubic feet/cubic meter) ppm = parts per million =((mg/dscm x 24.04 liters/mol)/mol.wt)) Pollutant Emission Rate:lb/hr = pounds of pollutant emitted per hour = mg/1000/[(453.59 g/lb)/(dscf)] x dscfm x 60 min/hr C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\Other Lab Results.xls Example Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Outlet Fayetteville, North Carolina Note: Values are shown for example purposes only. Vm,a =Dry gas volume at actual conditions (acf) Initial gas meter volume: Final gas meter volume: Difference: Vm,std =Volume of dry gas at standard conditions (dscf) =17.647x Vm, a x Gamma*[Pbar+(DeltaH/13.6)]/Tm(R)=17.647 x 0.000 x 0.991 x (30.33 + [ (1.880 /13.6)]/529 =52.660 Vl,c =Volume of water collected in impingers and silica gel (ml) impinger catch (mls):2 silica gel (g)9.0 total:10.8 Vw,std =Volume of water vapor in gas at standard conditions (cu.ft.) =(0.04707) x (Vl,c) =0.04707 x 10.8 =0.508 Bwo =Proportion by volume of water vapor in gas stream =Vw,std/(Vw,std+Vm,std) =0.51 / (0.51 +52.660 ) =0.010 Ps =Stack gas static pressure (in. Hg) =St/13.6 =1.30 / 13.6=0.096 Pa =Absolute stack gas pressure (in. Hg) =Ps+Pbar =0.096 +30.33 =30.43 MFD =Dry mole fraction of stack gas =1-Bwo =1 - =0.990 Md =Dry molecular weight of stack gas (lb/lb-mol) =(0.32 x %O2) + (0.44 x %CO2) + (0.28 x %N2) =(0.32 x 20.90 )+(0.44 x 0.00 ) +(0.28 x 79.10 ) =28.84 Mw =Wet molecular weight of stack gas (lb/lb-mol) =(Md) x (MFD) + (0.18) x (Bwo*100) =28.84 x 0.990 + 0.18 x 0.95613 =28.73 0.010 172.306224.906 52.600 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\Example Page 5 of 6 Example Calculations The Chemours Company - Fayetteville Works Vinyl Ethers South Carbon Bed Outlet Fayetteville, North Carolina Note: Values are shown for example purposes only. Vs,avg =Average stack gas velocity (fps) =Kp x (Cp) x (sqrt,deltaP) x sqrt((Ts + 460°R)/Mw*Pa)) =85.48 x 0.84 x 0.52 x sqrt (0.61 ) =29.2 A Cross sectional areas of stack (sq. ft) =pi/4*d^2=3.46 ^2 =9.39 Qa Volumetric flow rate at actual conditions (acfm) =(60)sec/min(A)(Vs, avg) =60 x 9.3934 x 29.15 =16,430 Qstd Volumetric flow rate at standard conditions (scfm) =Qa x (528/Ts,avg + 460) x Pa/29.92 =16,430 x (528 /533 ) x 1.017 =16,563 Qstd,dry Volumetric flow rate at dry standard conditions per minute(dscfm) =Qstd x (1-Bwo) =16,563 x 0.9904 =16,405 mg/dscm HFPO-DA concentration =(mg/dscf) x 35.314 cu. ft./cu. meter = (0.003 /52.66 ) x35.314 =1.75E-03 lb/hr HFPO-DA Mass Emission Rate =mg/1000/[(453.59 g/lb)/(dscf)] x dscfm x 60 min/hr =0.00 /1,000 /[(453.59 ) / (52.66 )] x 16,406 x 60 =1.07E-04 3.14159/4 x C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\VES_Outlet_031221.xlsx\Example Page 6 of 6 DOCUMENT TITLE Sample Train Recovery Data Sheet Client The Chemours Co.Location Fayetteville, NC Source VES Outlet Method Modified 0010 Date 3/12/2021 Run #1 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 759 Impinger #8 Run End Time 948 Total Gain ml/gm Recovery Technician PG Run #2 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 1050 Impinger #8 Run End Time 1254 Total Gain ml/gm Recovery Technician PG Run #3 Filter #1 Impinger #1 Impinger #2 Filter #2 Impinger #3 Impinger #4 Filter #3 Impinger #5 Impinger #6 Impinger #7 Run Start Time 1323 Impinger #8 Run End Time 1521 Total Gain ml/gm Recovery Technician PG 756.6 1.0 0.0 Final ml or gm Initial ml or gm Net Gain 468.2 468.0 0.2 777.4 778.2 -0.8 797.8 797.6 0.2 531.8 530.6 1.2 871.6 862.6 9.0 757.6 0.0 10.8 Final ml or gm Initial ml or gm Net Gain 492.4 491.6 0.8 791.8 792.2 -0.4 809.2 809.8 -0.6 760.8 758.8 2.0 510.6 509.6 1.0 861.4 852.6 8.8 0.0 0.0 11.6 Final ml or gm Initial ml or gm Net Gain 468.4 467.8 0.6 782.6 784.0 -1.4 782.8 782.4 0.4 743.2 743.2 0.0 532.2 530.4 1.8 820.8 810.8 10.0 11.4 0.0 0.0 C:\Stack\Projects\Chemours\Fayetteville\March 2021\VES Report\App C\VES_Outlet_Moisture.xls\VES_Outlet_Moisture.xls Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed APPENDIX D LABORATORY DATA VES Carbon Bed Inlet Laboratory Data ANALYTICAL REPORT Eurofins TestAmerica, Knoxville 5815 Middlebrook Pike Knoxville, TN 37921 Tel: (865)291-3000 Laboratory Job ID: 140-22284-1 Client Project/Site: VES Carbon Bed Inlet For: The Chemours Company FC, LLC c/o AECOM Sabre Building, Suite 300 4051 Ogletown Road Newark, Delaware 19713 Attn: Michael Aucoin Authorized for release by: 4/6/2021 1:33:45 PM Courtney Adkins, Project Manager II (865)291-3019 courtney.adkins@eurofinset.com The test results in this report meet all 2003 NELAC, 2009 TNI, and 2016 TNI requirements for accredited parameters, exceptions are noted in this report. This report may not be reproduced except in full, and with written approval from the laboratory. For questions please contact the Project Manager at the e-mail address or telephone number listed on this page. This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Table of Contents Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Laboratory Job ID: 140-22284-1 Page 2 of 31 Eurofins TestAmerica, Knoxville4/6/2021 Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Definitions/Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Default Detection Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Isotope Dilution Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 QC Association Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Lab Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Definitions/Glossary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Qualifiers LCMS Qualifier Description B Compound was found in the blank and sample. Qualifier Glossary These commonly used abbreviations may or may not be present in this report. ¤Listed under the "D" column to designate that the result is reported on a dry weight basis Abbreviation %R Percent Recovery CFL Contains Free Liquid CFU Colony Forming Unit CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dil Fac Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MCL EPA recommended "Maximum Contaminant Level" MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) MPN Most Probable Number MQL Method Quantitation Limit NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) NEG Negative / Absent POS Positive / Present PQL Practical Quantitation Limit PRES Presumptive QC Quality Control RER Relative Error Ratio (Radiochemistry) RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TNTC Too Numerous To Count Eurofins TestAmerica, Knoxville Page 3 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Case Narrative Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Job ID: 140-22284-1 Laboratory: Eurofins TestAmerica, Knoxville Narrative Job Narrative 140-22284-1 Sample Receipt The samples were received on 3/13/2021 10:40 AM. Unless otherwise noted below, the samples arrived in good condition, and where required, properly preserved and on ice. The temperature of the cooler at receipt was 0.6º C. LCMS LC/MS/MS Sampling Train Preparation and Analysis: The sampling train components are extracted and analyzed for Per- and Polyfluorinated Alkyl Substances (PFAS) using Eurofins TestAmerica Knoxville standard operating procedures KNOX-OP-0026 and KNOX-LC-0007. The sampling trains are prepared as four analytical fractions: The particulate filter and front half of the filter holder, nozzle and probe solvent rinses are combined for one analytical fraction. The XAD-2 resin trap and back half of the filter holder, coil condenser and connecting glassware solvent rinses are also combined as a separate analytical fraction. The condensate, impinger contents and their related glassware DI water rinses make up the third analytical fraction. The breakthrough XAD module makes up the fourth analytical fraction. The filters and XAD components are spiked with isotope dilution internal standards and the components are extracted with methanol/ammonium hydroxide by shaking for at least 18 hours. The extracts are concentrated to 10 mL and analyzed by HPLC/MS/MS. The condensates are spiked with the isotope dilution internal standards and extracted using either Solid-Phase Extraction (SPE) or diluting the water sample for analysis. Each extract at its final volume is 80:20 methanol:water Sample results were calculated using the following equation: Result, ηg/sample = (on-column concentration, ηg/mL) × (nominal final volume of extract (10 mL) / 1 sample) × DF × SF Where: DF = Instrument dilution factor SF = Extraction Split Factor = (final volume of extract in the initial extraction batch / initial volume of extract in the “Split” batch) For condensate, if less than the entire sample is extracted, the fraction of sample used replaces “1 sample” Method 537 (modified): The method blank for preparation batch 140-48003 and 140-48146 contained HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Method 537 (modified): The Isotope Dilution Analyte (IDA) recovery associated with the following sample is below the method recommended limit: (LCS 140-47984/2-B). Generally, data quality is not considered affected if the IDA signal-to-noise ratio is greater than 10:1. Method 537 (modified): The method blank for preparation batch 140-47984 and 140-48079 may have contained HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Method 537 (modified): The method blank for preparation batch 140-47947 and 140-48222 contained HFPO-DA above the reporting limit (RL). Most client samples are not 10X the method blank contamination. The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Both method blanks have the same low level of contamination for HFPO-DA. No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. Organic Prep No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. Eurofins TestAmerica, KnoxvillePage 4 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Detection Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Client Sample ID: A-5642,5643 VES CB INLET R1 OTM-45 FH Lab Sample ID: 140-22284-1 HFPO-DA RL 0.0987 ug/Sample MDL 0.0572 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B8.79 537 (modified) Client Sample ID: A-5644,5645,5647 VES CB INLET R1 OTM-45 BH Lab Sample ID: 140-22284-2 HFPO-DA RL 0.0160 ug/Sample MDL 0.0140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA10B1.19 537 (modified) Client Sample ID: A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-3 HFPO-DA RL 0.100 ug/Sample MDL 0.0165 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.311 537 (modified) Client Sample ID: A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-4 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.0129 537 (modified) Client Sample ID: A-5649,5650 VES CB INLET R2 OTM-45 FH Lab Sample ID: 140-22284-5 HFPO-DA RL 0.100 ug/Sample MDL 0.0580 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B3.53 537 (modified) Client Sample ID: A-5651,5652,5654 VES CB INLET R2 OTM-45 BH Lab Sample ID: 140-22284-6 HFPO-DA RL 0.0800 ug/Sample MDL 0.0700 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA50B2.36 537 (modified) Client Sample ID: A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-7 HFPO-DA RL 0.0924 ug/Sample MDL 0.0152 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.333 537 (modified) Client Sample ID: A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-8 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00738 537 (modified) Client Sample ID: A-5656,5657 VES CB INLET R3 OTM-45 FH Lab Sample ID: 140-22284-9 HFPO-DA RL 0.0250 ug/Sample MDL 0.0145 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA25B1.30 537 (modified) Client Sample ID: A-5658,5659,5661 VES CB INLET R3 OTM-45 BH Lab Sample ID: 140-22284-10 HFPO-DA RL 0.0160 ug/Sample MDL 0.0140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA10B1.39 537 (modified) Eurofins TestAmerica, Knoxville This Detection Summary does not include radiochemical test results. Page 5 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Detection Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Client Sample ID: A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-11 HFPO-DA RL 0.0876 ug/Sample MDL 0.0144 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.270 537 (modified) Client Sample ID: A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-12 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.0123 537 (modified) Eurofins TestAmerica, Knoxville This Detection Summary does not include radiochemical test results. Page 6 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Lab Sample ID: 140-22284-1Client Sample ID: A-5642,5643 VES CB INLET R1 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 8.79 B 0.0987 0.0572 ug/Sample 03/22/21 14:10 03/28/21 03:31 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 98 25-150 03/22/21 14:10 03/28/21 03:31 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-2Client Sample ID: A-5644,5645,5647 VES CB INLET R1 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 1.19 B 0.0160 0.0140 ug/Sample 03/22/21 09:12 04/02/21 15:22 10 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 120 25-150 03/22/21 09:12 04/02/21 15:22 10 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-3Client Sample ID: A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.311 B 0.100 0.0165 ug/Sample 03/23/21 05:53 03/27/21 13:48 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 112 25-150 03/23/21 05:53 03/27/21 13:48 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-4Client Sample ID: A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.0129 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 20:08 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 72 25-150 03/22/21 09:12 04/01/21 20:08 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-5Client Sample ID: A-5649,5650 VES CB INLET R2 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 3.53 B 0.100 0.0580 ug/Sample 03/22/21 14:10 03/28/21 04:06 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier Eurofins TestAmerica, Knoxville Page 7 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Lab Sample ID: 140-22284-5Client Sample ID: A-5649,5650 VES CB INLET R2 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train 13C3 HFPO-DA 98 25-150 03/22/21 14:10 03/28/21 04:06 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-6Client Sample ID: A-5651,5652,5654 VES CB INLET R2 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 2.36 B 0.0800 0.0700 ug/Sample 03/22/21 09:12 04/01/21 20:16 50 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 122 25-150 03/22/21 09:12 04/01/21 20:16 50 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-7Client Sample ID: A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.333 B 0.0924 0.0152 ug/Sample 03/23/21 05:53 03/27/21 14:05 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 106 25-150 03/23/21 05:53 03/27/21 14:05 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-8Client Sample ID: A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00738 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 20:43 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 84 25-150 03/22/21 09:12 04/01/21 20:43 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-9Client Sample ID: A-5656,5657 VES CB INLET R3 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 1.30 B 0.0250 0.0145 ug/Sample 03/22/21 14:10 03/28/21 04:15 25 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 120 25-150 03/22/21 14:10 03/28/21 04:15 25 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 8 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Lab Sample ID: 140-22284-10Client Sample ID: A-5658,5659,5661 VES CB INLET R3 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 1.39 B 0.0160 0.0140 ug/Sample 03/22/21 09:12 04/02/21 14:19 10 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 102 25-150 03/22/21 09:12 04/02/21 14:19 10 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-11Client Sample ID: A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.270 B 0.0876 0.0144 ug/Sample 03/23/21 05:53 03/27/21 14:14 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 106 25-150 03/23/21 05:53 03/27/21 14:14 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22284-12Client Sample ID: A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.0123 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 21:00 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 81 25-150 03/22/21 09:12 04/01/21 21:00 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 9 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Default Detection Limits Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Method: 537 (modified) - Fluorinated Alkyl Substances Prep: None 0.00100HFPO-DA ug/Sample Analyte UnitsMDLRL 0.000580 0.00160HFPO-DA ug/Sample0.00140 0.00200HFPO-DA ug/Sample0.000330 Eurofins TestAmerica, Knoxville Page 10 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Isotope Dilution Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Method: 537 (modified) - Fluorinated Alkyl Substances Prep Type: Total/NAMatrix: Air Lab Sample ID Client Sample ID (25-150) HFPODA 98140-22284-1 Percent Isotope Dilution Recovery (Acceptance Limits) A-5642,5643 VES CB INLET R1 OTM-45 FH 120140-22284-2 A-5644,5645,5647 VES CB INLET R1 OTM-45 BH 112140-22284-3 A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 COND 72140-22284-4 A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 98140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH 122140-22284-6 A-5651,5652,5654 VES CB INLET R2 OTM-45 BH 106140-22284-7 A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 COND 84140-22284-8 A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 120140-22284-9 A-5656,5657 VES CB INLET R3 OTM-45 FH 102140-22284-10 A-5658,5659,5661 VES CB INLET R3 OTM-45 BH 106140-22284-11 A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 COND 81140-22284-12 A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 83LCS 140-47947/2-B Lab Control Sample 32LCS 140-47984/2-B Lab Control Sample 112LCS 140-48003/2-B Lab Control Sample 60LCSD 140-47947/3-B Lab Control Sample Dup 96LCSD 140-47984/3-B Lab Control Sample Dup 107LCSD 140-48003/3-B Lab Control Sample Dup 75MB 140-47947/14-B Method Blank 89MB 140-47947/1-B Method Blank 76MB 140-47984/14-B Method Blank 92MB 140-47984/1-B Method Blank 102MB 140-48003/14-B Method Blank 112MB 140-48003/1-B Method Blank Surrogate Legend HFPODA = 13C3 HFPO-DA Eurofins TestAmerica, Knoxville Page 11 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Method: 537 (modified) - Fluorinated Alkyl Substances Client Sample ID: Method BlankLab Sample ID: MB 140-47947/14-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 RL MDL HFPO-DA 0.002401 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 19:32 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 75 25-150 04/01/21 19:32 1 MB MB Isotope Dilution 03/22/21 09:12 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-47947/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 RL MDL HFPO-DA 0.003211 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 17:20 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 89 25-150 04/01/21 17:20 1 MB MB Isotope Dilution 03/22/21 09:12 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-47947/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 HFPO-DA 0.0200 0.02402 ug/Sample 120 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 83 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-47947/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 HFPO-DA 0.0200 0.02278 ug/Sample 114 60-140 5 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 60 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-47984/14-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 RL MDL HFPO-DA 0.002612 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 03:40 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 76 25-150 03/28/21 03:40 1 MB MB Isotope Dilution 03/22/21 14:10 Dil FacPrepared AnalyzedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 12 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Client Sample ID: Method BlankLab Sample ID: MB 140-47984/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 RL MDL HFPO-DA 0.002562 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 01:28 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 92 25-150 03/28/21 01:28 1 MB MB Isotope Dilution 03/22/21 14:10 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-47984/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02413 ug/Sample 121 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 32 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-47984/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02295 ug/Sample 115 60-140 5 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 96 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-48003/14-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 RL MDL HFPO-DA 0.001372 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 13:57 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 102 25-150 03/27/21 13:57 1 MB MB Isotope Dilution 03/23/21 05:53 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-48003/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 RL MDL HFPO-DA 0.001514 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 11:45 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 112 25-150 03/27/21 11:45 1 MB MB Isotope Dilution 03/23/21 05:53 Dil FacPrepared AnalyzedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 13 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Sample Results Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-48003/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01114 ug/Sample 111 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 112 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-48003/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01177 ug/Sample 118 60-140 6 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 107 LCSD LCSD Qualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 14 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Association Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet LCMS Prep Batch: 47947 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22284-2 A-5644,5645,5647 VES CB INLET R1 OTM-45 BHTotal/NA Air None140-22284-4 A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air None140-22284-6 A-5651,5652,5654 VES CB INLET R2 OTM-45 BHTotal/NA Air None140-22284-8 A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air None140-22284-10 A-5658,5659,5661 VES CB INLET R3 OTM-45 BHTotal/NA Air None140-22284-12 A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air NoneMB 140-47947/14-B Method Blank Total/NA Air NoneMB 140-47947/1-B Method Blank Total/NA Air NoneLCS 140-47947/2-B Lab Control Sample Total/NA Air NoneLCSD 140-47947/3-B Lab Control Sample Dup Total/NA Prep Batch: 47984 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22284-1 A-5642,5643 VES CB INLET R1 OTM-45 FH Total/NA Air None140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH Total/NA Air None140-22284-9 A-5656,5657 VES CB INLET R3 OTM-45 FH Total/NA Air NoneMB 140-47984/14-B Method Blank Total/NA Air NoneMB 140-47984/1-B Method Blank Total/NA Air NoneLCS 140-47984/2-B Lab Control Sample Total/NA Air NoneLCSD 140-47984/3-B Lab Control Sample Dup Total/NA Prep Batch: 48003 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22284-3 A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air None140-22284-7 A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air None140-22284-11 A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air NoneMB 140-48003/14-B Method Blank Total/NA Air NoneMB 140-48003/1-B Method Blank Total/NA Air NoneLCS 140-48003/2-B Lab Control Sample Total/NA Air NoneLCSD 140-48003/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48079 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 47984140-22284-1 A-5642,5643 VES CB INLET R1 OTM-45 FH Total/NA Air Split 47984140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH Total/NA Air Split 47984140-22284-9 A-5656,5657 VES CB INLET R3 OTM-45 FH Total/NA Air Split 47984MB 140-47984/14-B Method Blank Total/NA Air Split 47984MB 140-47984/1-B Method Blank Total/NA Air Split 47984LCS 140-47984/2-B Lab Control Sample Total/NA Air Split 47984LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48146 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 48003140-22284-3 A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003140-22284-7 A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003140-22284-11 A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003MB 140-48003/14-B Method Blank Total/NA Air Split 48003MB 140-48003/1-B Method Blank Total/NA Air Split 48003LCS 140-48003/2-B Lab Control Sample Total/NA Air Split 48003LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Eurofins TestAmerica, Knoxville Page 15 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Association Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet LCMS Analysis Batch: 48210 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48146140-22284-3 A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air 537 (modified)48146140-22284-7 A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air 537 (modified)48146140-22284-11 A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air 537 (modified)48146MB 140-48003/14-B Method Blank Total/NA Air 537 (modified)48146MB 140-48003/1-B Method Blank Total/NA Air 537 (modified)48146LCS 140-48003/2-B Lab Control Sample Total/NA Air 537 (modified)48146LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48218 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Dilution 48079140-22284-1 A-5642,5643 VES CB INLET R1 OTM-45 FH Total/NA Air Dilution 48079140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH Total/NA Analysis Batch: 48219 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48218140-22284-1 A-5642,5643 VES CB INLET R1 OTM-45 FH Total/NA Air 537 (modified)48218140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH Total/NA Air 537 (modified)48079140-22284-9 A-5656,5657 VES CB INLET R3 OTM-45 FH Total/NA Air 537 (modified)48079MB 140-47984/14-B Method Blank Total/NA Air 537 (modified)48079MB 140-47984/1-B Method Blank Total/NA Air 537 (modified)48079LCS 140-47984/2-B Lab Control Sample Total/NA Air 537 (modified)48079LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48222 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 47947140-22284-2 A-5644,5645,5647 VES CB INLET R1 OTM-45 BHTotal/NA Air Split 47947140-22284-4 A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947140-22284-6 A-5651,5652,5654 VES CB INLET R2 OTM-45 BHTotal/NA Air Split 47947140-22284-8 A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947140-22284-10 A-5658,5659,5661 VES CB INLET R3 OTM-45 BHTotal/NA Air Split 47947140-22284-12 A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947MB 140-47947/14-B Method Blank Total/NA Air Split 47947MB 140-47947/1-B Method Blank Total/NA Air Split 47947LCS 140-47947/2-B Lab Control Sample Total/NA Air Split 47947LCSD 140-47947/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48419 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48222140-22284-4 A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222140-22284-6 A-5651,5652,5654 VES CB INLET R2 OTM-45 BHTotal/NA Air 537 (modified)48222140-22284-8 A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222140-22284-12 A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222MB 140-47947/14-B Method Blank Total/NA Air 537 (modified)48222MB 140-47947/1-B Method Blank Total/NA Air 537 (modified)48222LCS 140-47947/2-B Lab Control Sample Total/NA Air 537 (modified)48222LCSD 140-47947/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48462 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48222140-22284-2 A-5644,5645,5647 VES CB INLET R1 OTM-45 BHTotal/NA Air 537 (modified)48222140-22284-10 A-5658,5659,5661 VES CB INLET R3 OTM-45 BHTotal/NA Eurofins TestAmerica, Knoxville Page 16 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: A-5642,5643 VES CB INLET R1 OTM-45 FH Lab Sample ID: 140-22284-1 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 75 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 38 mL 10 mL Cleanup Dilution 48218 03/27/21 05:30 JRC TAL KNXTotal/NA 100 uL 10000 uL Analysis 537 (modified)1 48219 03/28/21 03:31 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5644,5645,5647 VES CB INLET R1 OTM-45 BH Lab Sample ID: 140-22284-2 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)10 48462 04/02/21 15:22 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-3 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.005 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 13:48 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-4 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 20:08 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 17 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: A-5649,5650 VES CB INLET R2 OTM-45 FH Lab Sample ID: 140-22284-5 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 78 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 39 mL 10 mL Cleanup Dilution 48218 03/27/21 05:30 JRC TAL KNXTotal/NA 100 uL 10000 uL Analysis 537 (modified)1 48219 03/28/21 04:06 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5651,5652,5654 VES CB INLET R2 OTM-45 BH Lab Sample ID: 140-22284-6 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)50 48419 04/01/21 20:16 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-7 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.00541 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 14:05 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-8 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 20:43 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 18 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: A-5656,5657 VES CB INLET R3 OTM-45 FH Lab Sample ID: 140-22284-9 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 88 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 44 mL 10 mL Analysis 537 (modified)25 48219 03/28/21 04:15 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5658,5659,5661 VES CB INLET R3 OTM-45 BH Lab Sample ID: 140-22284-10 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)10 48462 04/02/21 14:19 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22284-11 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.00571 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 14:14 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22284-12 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 21:00 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 19 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: Method Blank Lab Sample ID: MB 140-47947/14-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 19:32 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-47947/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:20 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-47984/14-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 03:40 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-47984/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:28 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-48003/14-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 13:57 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 20 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: Method Blank Lab Sample ID: MB 140-48003/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 11:45 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-47947/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:29 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-47984/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:37 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-48003/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 11:54 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-47947/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:38 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 21 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-47984/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:45 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-48003/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 12:02 JRC TAL KNXTotal/NA LCAInstrument ID: Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 22 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Accreditation/Certification Summary Client: The Chemours Company FC, LLC Job ID: 140-22284-1 Project/Site: VES Carbon Bed Inlet Laboratory: Eurofins TestAmerica, Knoxville All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Authority Program Identification Number Expiration Date N/AAFCEE ANAB Dept. of Defense ELAP L2311 02-13-22 ANAB Dept. of Energy L2311.01 02-13-22 ANAB ISO/IEC 17025 L2311 02-13-22 ANAB ISO/IEC 17025 L2311 02-14-22 Arkansas DEQ State 88-0688 06-17-21 California State 2423 06-30-22 Colorado State TN00009 02-28-21 * Connecticut State PH-0223 09-30-21 Florida NELAP E87177 07-01-21 Georgia (DW)State 906 12-11-22 Hawaii State NA 12-11-21 Kansas NELAP E-10349 10-31-21 Kentucky (DW)State 90101 12-31-21 Louisiana NELAP 83979 06-30-21 Louisiana (DW)State LA019 12-31-21 Maryland State 277 03-31-22 Michigan State 9933 12-11-22 Nevada State TN00009 07-31-21 New Hampshire NELAP 299919 01-17-22 New Jersey NELAP TN001 07-01-21 New York NELAP 10781 03-31-22 North Carolina (DW)State 21705 07-31-21 North Carolina (WW/SW)State 64 12-31-21 Ohio VAP State CL0059 06-02-23 Oklahoma State 9415 08-31-21 Oregon NELAP TNI0189 01-01-22 Pennsylvania NELAP 68-00576 12-31-21 Tennessee State 02014 12-11-22 Texas NELAP T104704380-18-12 08-31-21 US Fish & Wildlife US Federal Programs 058448 07-31-21 USDA US Federal Programs P330-19-00236 08-20-22 Utah NELAP TN00009 07-31-21 Virginia NELAP 460176 09-14-21 Washington State C593 01-19-22 West Virginia (DW)State 9955C 01-02-22 West Virginia DEP State 345 05-01-21 Wisconsin State 998044300 08-31-21 Eurofins TestAmerica, Knoxville * Accreditation/Certification renewal pending - accreditation/certification considered valid. Page 23 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Method Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Method Method Description LaboratoryProtocol EPA537 (modified) Fluorinated Alkyl Substances TAL KNX NoneDilutionDilution and Re-fortification of Standards TAL KNX TAL SOPNoneLeaching Procedure TAL KNX TAL SOPNoneLeaching Procedure for Condensate TAL KNX TAL SOPNoneLeaching Procedure for Filter TAL KNX NoneSplitSource Air Split TAL KNX Protocol References: EPA = US Environmental Protection Agency None = None TAL SOP = TestAmerica Laboratories, Standard Operating Procedure Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 24 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Sample Summary Job ID: 140-22284-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Inlet Lab Sample ID Client Sample ID ReceivedCollectedMatrix Asset ID 140-22284-1 A-5642,5643 VES CB INLET R1 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22284-2 A-5644,5645,5647 VES CB INLET R1 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22284-3 A-5646 VES CB INLET R1 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22284-4 A-5648 VES CB INLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 140-22284-5 A-5649,5650 VES CB INLET R2 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22284-6 A-5651,5652,5654 VES CB INLET R2 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22284-7 A-5653 VES CB INLET R2 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22284-8 A-5655 VES CB INLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 140-22284-9 A-5656,5657 VES CB INLET R3 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22284-10 A-5658,5659,5661 VES CB INLET R3 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22284-11 A-5660 VES CB INLET R3 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22284-12 A-5662 VES CB INLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 Eurofins TestAmerica, Knoxville Page 25 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 26 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 27 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 28 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 29 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 30 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 31 of 31 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VES Carbon Bed Outlet Laboratory Data ANALYTICAL REPORT Eurofins TestAmerica, Knoxville 5815 Middlebrook Pike Knoxville, TN 37921 Tel: (865)291-3000 Laboratory Job ID: 140-22282-1 Client Project/Site: VES Carbon Bed Outlet For: The Chemours Company FC, LLC c/o AECOM Sabre Building, Suite 300 4051 Ogletown Road Newark, Delaware 19713 Attn: Michael Aucoin Authorized for release by: 4/6/2021 1:27:00 PM Courtney Adkins, Project Manager II (865)291-3019 courtney.adkins@eurofinset.com The test results in this report meet all 2003 NELAC, 2009 TNI, and 2016 TNI requirements for accredited parameters, exceptions are noted in this report. This report may not be reproduced except in full, and with written approval from the laboratory. For questions please contact the Project Manager at the e-mail address or telephone number listed on this page. This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Table of Contents Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Laboratory Job ID: 140-22282-1 Page 2 of 29 Eurofins TestAmerica, Knoxville4/6/2021 Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Definitions/Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Default Detection Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Isotope Dilution Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 QC Association Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Lab Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Definitions/Glossary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Qualifiers LCMS Qualifier Description B Compound was found in the blank and sample. Qualifier Glossary These commonly used abbreviations may or may not be present in this report. ¤Listed under the "D" column to designate that the result is reported on a dry weight basis Abbreviation %R Percent Recovery CFL Contains Free Liquid CFU Colony Forming Unit CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dil Fac Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MCL EPA recommended "Maximum Contaminant Level" MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) MPN Most Probable Number MQL Method Quantitation Limit NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) NEG Negative / Absent POS Positive / Present PQL Practical Quantitation Limit PRES Presumptive QC Quality Control RER Relative Error Ratio (Radiochemistry) RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TNTC Too Numerous To Count Eurofins TestAmerica, Knoxville Page 3 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Case Narrative Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Job ID: 140-22282-1 Laboratory: Eurofins TestAmerica, Knoxville Narrative Job Narrative 140-22282-1 Sample Receipt The samples were received on 3/13/2021 10:40 AM. Unless otherwise noted below, the samples arrived in good condition, and where required, properly preserved and on ice. The temperature of the cooler at receipt was 1.3º C. LCMS LC/MS/MS Sampling Train Preparation and Analysis: The sampling train components are extracted and analyzed for Per- and Polyfluorinated Alkyl Substances (PFAS) using Eurofins TestAmerica Knoxville standard operating procedures KNOX-OP-0026 and KNOX-LC-0007. The sampling trains are prepared as four analytical fractions: The particulate filter and front half of the filter holder, nozzle and probe solvent rinses are combined for one analytical fraction. The XAD-2 resin trap and back half of the filter holder, coil condenser and connecting glassware solvent rinses are also combined as a separate analytical fraction. The condensate, impinger contents and their related glassware DI water rinses make up the third analytical fraction. The breakthrough XAD module makes up the fourth analytical fraction. The filters and XAD components are spiked with isotope dilution internal standards and the components are extracted with methanol/ammonium hydroxide by shaking for at least 18 hours. The extracts are concentrated to 10 mL and analyzed by HPLC/MS/MS. The condensates are spiked with the isotope dilution internal standards and extracted using either Solid-Phase Extraction (SPE) or diluting the water sample for analysis. Each extract at its final volume is 80:20 methanol:water Sample results were calculated using the following equation: Result, ηg/sample = (on-column concentration, ηg/mL) × (nominal final volume of extract (10 mL) / 1 sample) × DF × SF Where: DF = Instrument dilution factor SF = Extraction Split Factor = (final volume of extract in the initial extraction batch / initial volume of extract in the “Split” batch) For condensate, if less than the entire sample is extracted, the fraction of sample used replaces “1 sample” Method 537 (modified): The method blank for preparation batch 140-48003 and 140-48146 contained HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Method 537 (modified): The Isotope Dilution Analyte (IDA) recovery associated with the following sample is below the method recommended limit: (LCS 140-47984/2-B). Generally, data quality is not considered affected if the IDA signal-to-noise ratio is greater than 10:1. Method 537 (modified): The method blank for preparation batch 140-47984 and 140-48079 may have contained HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Method 537 (modified): The method blank for preparation batch 140-47947 and 140-48222 contained HFPO-DA above the reporting limit (RL). Most client samples are not 10X the method blank contamination. The entire sample was consumed during analysis or extraction, therefore, the data have been reported. No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. Organic Prep No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. Eurofins TestAmerica, KnoxvillePage 4 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Detection Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Client Sample ID: S-1983,1984 VES CB OUTLET R1 OTM-45 FH Lab Sample ID: 140-22282-1 HFPO-DA RL 0.0250 ug/Sample MDL 0.0145 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA25B1.36 537 (modified) Client Sample ID: S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BH Lab Sample ID: 140-22282-2 HFPO-DA RL 0.0160 ug/Sample MDL 0.0140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA10B0.874 537 (modified) Client Sample ID: S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-3 HFPO-DA RL 0.0975 ug/Sample MDL 0.0161 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.359 537 (modified) Client Sample ID: S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-4 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.0125 537 (modified) Client Sample ID: S-1990,1991 VES CB OUTLET R2 OTM-45 FH Lab Sample ID: 140-22282-5 HFPO-DA RL 0.0100 ug/Sample MDL 0.00580 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA10B0.666 537 (modified) Client Sample ID: S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BH Lab Sample ID: 140-22282-6 HFPO-DA RL 0.00800 ug/Sample MDL 0.00700 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA5B0.554 537 (modified) Client Sample ID: S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-7 HFPO-DA RL 0.0912 ug/Sample MDL 0.0151 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.310 537 (modified) Client Sample ID: S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-8 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.0147 537 (modified) Client Sample ID: S-1997,1998 VES CB OUTLET R3 OTM-45 FH Lab Sample ID: 140-22282-9 HFPO-DA RL 0.00992 ug/Sample MDL 0.00575 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA10B0.689 537 (modified) Eurofins TestAmerica, Knoxville This Detection Summary does not include radiochemical test results. Page 5 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Detection Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Client Sample ID: S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BH Lab Sample ID: 140-22282-10 HFPO-DA RL 0.00800 ug/Sample MDL 0.00700 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA5B0.553 537 (modified) Client Sample ID: S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-11 HFPO-DA RL 0.0912 ug/Sample MDL 0.0151 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.279 537 (modified) Client Sample ID: S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-12 HFPO-DA RL 0.00160 ug/Sample MDL 0.00140 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00731 537 (modified) Eurofins TestAmerica, Knoxville This Detection Summary does not include radiochemical test results. Page 6 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Lab Sample ID: 140-22282-1Client Sample ID: S-1983,1984 VES CB OUTLET R1 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 1.36 B 0.0250 0.0145 ug/Sample 03/22/21 14:10 03/28/21 02:38 25 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 114 25-150 03/22/21 14:10 03/28/21 02:38 25 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-2Client Sample ID: S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.874 B 0.0160 0.0140 ug/Sample 03/22/21 09:12 04/02/21 13:16 10 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 101 25-150 03/22/21 09:12 04/02/21 13:16 10 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-3Client Sample ID: S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.359 B 0.0975 0.0161 ug/Sample 03/23/21 05:53 03/27/21 12:38 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 100 25-150 03/23/21 05:53 03/27/21 12:38 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-4Client Sample ID: S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.0125 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 17:55 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 82 25-150 03/22/21 09:12 04/01/21 17:55 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 7 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Lab Sample ID: 140-22282-5Client Sample ID: S-1990,1991 VES CB OUTLET R2 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.666 B 0.0100 0.00580 ug/Sample 03/22/21 14:10 03/28/21 02:47 10 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 107 25-150 03/22/21 14:10 03/28/21 02:47 10 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-6Client Sample ID: S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.554 B 0.00800 0.00700 ug/Sample 03/22/21 09:12 04/02/21 13:25 5 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 105 25-150 03/22/21 09:12 04/02/21 13:25 5 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-7Client Sample ID: S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.310 B 0.0912 0.0151 ug/Sample 03/23/21 05:53 03/27/21 12:46 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 110 25-150 03/23/21 05:53 03/27/21 12:46 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-8Client Sample ID: S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.0147 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 18:13 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 83 25-150 03/22/21 09:12 04/01/21 18:13 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 8 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Client Sample Results Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Lab Sample ID: 140-22282-9Client Sample ID: S-1997,1998 VES CB OUTLET R3 OTM-45 FH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.689 B 0.00992 0.00575 ug/Sample 03/22/21 14:10 03/28/21 02:56 10 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 117 25-150 03/22/21 14:10 03/28/21 02:56 10 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-10Client Sample ID: S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BH Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.553 B 0.00800 0.00700 ug/Sample 03/22/21 09:12 04/02/21 13:33 5 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 99 25-150 03/22/21 09:12 04/02/21 13:33 5 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-11Client Sample ID: S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 COND Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.279 B 0.0912 0.0151 ug/Sample 03/23/21 05:53 03/27/21 12:55 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 108 25-150 03/23/21 05:53 03/27/21 12:55 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22282-12Client Sample ID: S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00731 B 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 18:31 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 93 25-150 03/22/21 09:12 04/01/21 18:31 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 9 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Default Detection Limits Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Method: 537 (modified) - Fluorinated Alkyl Substances Prep: None 0.00100HFPO-DA ug/Sample Analyte UnitsMDLRL 0.000580 0.00160HFPO-DA ug/Sample0.00140 0.00200HFPO-DA ug/Sample0.000330 Eurofins TestAmerica, Knoxville Page 10 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Isotope Dilution Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Method: 537 (modified) - Fluorinated Alkyl Substances Prep Type: Total/NAMatrix: Air Lab Sample ID Client Sample ID (25-150) HFPODA 114140-22282-1 Percent Isotope Dilution Recovery (Acceptance Limits) S-1983,1984 VES CB OUTLET R1 OTM-45 FH 101140-22282-2 S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BH 100140-22282-3 S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 COND 82140-22282-4 S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 107140-22282-5 S-1990,1991 VES CB OUTLET R2 OTM-45 FH 105140-22282-6 S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BH 110140-22282-7 S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 COND 83140-22282-8 S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 117140-22282-9 S-1997,1998 VES CB OUTLET R3 OTM-45 FH 99140-22282-10 S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BH 108140-22282-11 S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 COND 93140-22282-12 S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE 83LCS 140-47947/2-B Lab Control Sample 32LCS 140-47984/2-B Lab Control Sample 112LCS 140-48003/2-B Lab Control Sample 60LCSD 140-47947/3-B Lab Control Sample Dup 96LCSD 140-47984/3-B Lab Control Sample Dup 107LCSD 140-48003/3-B Lab Control Sample Dup 89MB 140-47947/1-B Method Blank 92MB 140-47984/1-B Method Blank 112MB 140-48003/1-B Method Blank Surrogate Legend HFPODA = 13C3 HFPO-DA Eurofins TestAmerica, Knoxville Page 11 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Sample Results Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Method: 537 (modified) - Fluorinated Alkyl Substances Client Sample ID: Method BlankLab Sample ID: MB 140-47947/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 RL MDL HFPO-DA 0.003211 0.00160 0.00140 ug/Sample 03/22/21 09:12 04/01/21 17:20 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 89 25-150 04/01/21 17:20 1 MB MB Isotope Dilution 03/22/21 09:12 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-47947/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 HFPO-DA 0.0200 0.02402 ug/Sample 120 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 83 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-47947/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 47947 HFPO-DA 0.0200 0.02278 ug/Sample 114 60-140 5 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 60 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-47984/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 RL MDL HFPO-DA 0.002562 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 01:28 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 92 25-150 03/28/21 01:28 1 MB MB Isotope Dilution 03/22/21 14:10 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-47984/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02413 ug/Sample 121 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 32 LCS LCS Qualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 12 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Sample Results Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-47984/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02295 ug/Sample 115 60-140 5 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 96 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-48003/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 RL MDL HFPO-DA 0.001514 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 11:45 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 112 25-150 03/27/21 11:45 1 MB MB Isotope Dilution 03/23/21 05:53 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-48003/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01114 ug/Sample 111 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 112 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-48003/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01177 ug/Sample 118 60-140 6 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 107 LCSD LCSD Qualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 13 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Association Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet LCMS Prep Batch: 47947 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22282-2 S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BHTotal/NA Air None140-22282-4 S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air None140-22282-6 S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BHTotal/NA Air None140-22282-8 S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air None140-22282-10 S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BHTotal/NA Air None140-22282-12 S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air NoneMB 140-47947/1-B Method Blank Total/NA Air NoneLCS 140-47947/2-B Lab Control Sample Total/NA Air NoneLCSD 140-47947/3-B Lab Control Sample Dup Total/NA Prep Batch: 47984 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22282-1 S-1983,1984 VES CB OUTLET R1 OTM-45 FH Total/NA Air None140-22282-5 S-1990,1991 VES CB OUTLET R2 OTM-45 FH Total/NA Air None140-22282-9 S-1997,1998 VES CB OUTLET R3 OTM-45 FH Total/NA Air NoneMB 140-47984/1-B Method Blank Total/NA Air NoneLCS 140-47984/2-B Lab Control Sample Total/NA Air NoneLCSD 140-47984/3-B Lab Control Sample Dup Total/NA Prep Batch: 48003 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22282-3 S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air None140-22282-7 S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air None140-22282-11 S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air NoneMB 140-48003/1-B Method Blank Total/NA Air NoneLCS 140-48003/2-B Lab Control Sample Total/NA Air NoneLCSD 140-48003/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48079 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 47984140-22282-1 S-1983,1984 VES CB OUTLET R1 OTM-45 FH Total/NA Air Split 47984140-22282-5 S-1990,1991 VES CB OUTLET R2 OTM-45 FH Total/NA Air Split 47984140-22282-9 S-1997,1998 VES CB OUTLET R3 OTM-45 FH Total/NA Air Split 47984MB 140-47984/1-B Method Blank Total/NA Air Split 47984LCS 140-47984/2-B Lab Control Sample Total/NA Air Split 47984LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48146 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 48003140-22282-3 S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003140-22282-7 S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003140-22282-11 S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air Split 48003MB 140-48003/1-B Method Blank Total/NA Air Split 48003LCS 140-48003/2-B Lab Control Sample Total/NA Air Split 48003LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48210 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48146140-22282-3 S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air 537 (modified)48146140-22282-7 S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Air 537 (modified)48146140-22282-11 S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 CONDTotal/NA Eurofins TestAmerica, Knoxville Page 14 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QC Association Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet LCMS (Continued) Analysis Batch: 48210 (Continued) Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48146MB 140-48003/1-B Method Blank Total/NA Air 537 (modified)48146LCS 140-48003/2-B Lab Control Sample Total/NA Air 537 (modified)48146LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48219 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48079140-22282-1 S-1983,1984 VES CB OUTLET R1 OTM-45 FH Total/NA Air 537 (modified)48079140-22282-5 S-1990,1991 VES CB OUTLET R2 OTM-45 FH Total/NA Air 537 (modified)48079140-22282-9 S-1997,1998 VES CB OUTLET R3 OTM-45 FH Total/NA Air 537 (modified)48079MB 140-47984/1-B Method Blank Total/NA Air 537 (modified)48079LCS 140-47984/2-B Lab Control Sample Total/NA Air 537 (modified)48079LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48222 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 47947140-22282-2 S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BHTotal/NA Air Split 47947140-22282-4 S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947140-22282-6 S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BHTotal/NA Air Split 47947140-22282-8 S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947140-22282-10 S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BHTotal/NA Air Split 47947140-22282-12 S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air Split 47947MB 140-47947/1-B Method Blank Total/NA Air Split 47947LCS 140-47947/2-B Lab Control Sample Total/NA Air Split 47947LCSD 140-47947/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48419 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48222140-22282-4 S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222140-22282-8 S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222140-22282-12 S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBETotal/NA Air 537 (modified)48222MB 140-47947/1-B Method Blank Total/NA Air 537 (modified)48222LCS 140-47947/2-B Lab Control Sample Total/NA Air 537 (modified)48222LCSD 140-47947/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48462 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48222140-22282-2 S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BHTotal/NA Air 537 (modified)48222140-22282-6 S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BHTotal/NA Air 537 (modified)48222140-22282-10 S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BHTotal/NA Eurofins TestAmerica, Knoxville Page 15 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Client Sample ID: S-1983,1984 VES CB OUTLET R1 OTM-45 FH Lab Sample ID: 140-22282-1 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 92 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 46 mL 10 mL Analysis 537 (modified)25 48219 03/28/21 02:38 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BH Lab Sample ID: 140-22282-2 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)10 48462 04/02/21 13:16 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-3 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.00513 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 12:38 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-4 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:55 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 16 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Client Sample ID: S-1990,1991 VES CB OUTLET R2 OTM-45 FH Lab Sample ID: 140-22282-5 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 106 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 53 mL 10 mL Analysis 537 (modified)10 48219 03/28/21 02:47 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BH Lab Sample ID: 140-22282-6 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)5 48462 04/02/21 13:25 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-7 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.00548 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 12:46 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-8 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 18:13 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 17 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Client Sample ID: S-1997,1998 VES CB OUTLET R3 OTM-45 FH Lab Sample ID: 140-22282-9 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 121 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 61 mL 10 mL Analysis 537 (modified)10 48219 03/28/21 02:56 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BH Lab Sample ID: 140-22282-10 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)5 48462 04/02/21 13:33 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 COND Lab Sample ID: 140-22282-11 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 0.00548 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 12:55 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Lab Sample ID: 140-22282-12 Matrix: AirDate Collected: 03/12/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 18:31 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 18 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Client Sample ID: Method Blank Lab Sample ID: MB 140-47947/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:20 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-47984/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:28 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Method Blank Lab Sample ID: MB 140-48003/1-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 11:45 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-47947/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:29 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-47984/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:37 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 19 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Client Sample ID: Lab Control Sample Lab Sample ID: LCS 140-48003/2-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 11:54 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-47947/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 09:12 TAL KNX47947 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48222 03/28/21 06:44 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 17:38 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-47984/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48219 03/28/21 01:45 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 140-48003/3-B Matrix: AirDate Collected: N/A Date Received: N/A Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 12:02 JRC TAL KNXTotal/NA LCAInstrument ID: Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 20 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Accreditation/Certification Summary Client: The Chemours Company FC, LLC Job ID: 140-22282-1 Project/Site: VES Carbon Bed Outlet Laboratory: Eurofins TestAmerica, Knoxville All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Authority Program Identification Number Expiration Date N/AAFCEE ANAB Dept. of Defense ELAP L2311 02-13-22 ANAB Dept. of Energy L2311.01 02-13-22 ANAB ISO/IEC 17025 L2311 02-13-22 ANAB ISO/IEC 17025 L2311 02-14-22 Arkansas DEQ State 88-0688 06-17-21 California State 2423 06-30-22 Colorado State TN00009 02-28-21 * Connecticut State PH-0223 09-30-21 Florida NELAP E87177 07-01-21 Georgia (DW)State 906 12-11-22 Hawaii State NA 12-11-21 Kansas NELAP E-10349 10-31-21 Kentucky (DW)State 90101 12-31-21 Louisiana NELAP 83979 06-30-21 Louisiana (DW)State LA019 12-31-21 Maryland State 277 03-31-22 Michigan State 9933 12-11-22 Nevada State TN00009 07-31-21 New Hampshire NELAP 299919 01-17-22 New Jersey NELAP TN001 07-01-21 New York NELAP 10781 03-31-22 North Carolina (DW)State 21705 07-31-21 North Carolina (WW/SW)State 64 12-31-21 Ohio VAP State CL0059 06-02-23 Oklahoma State 9415 08-31-21 Oregon NELAP TNI0189 01-01-22 Pennsylvania NELAP 68-00576 12-31-21 Tennessee State 02014 12-11-22 Texas NELAP T104704380-18-12 08-31-21 US Fish & Wildlife US Federal Programs 058448 07-31-21 USDA US Federal Programs P330-19-00236 08-20-22 Utah NELAP TN00009 07-31-21 Virginia NELAP 460176 09-14-21 Washington State C593 01-19-22 West Virginia (DW)State 9955C 01-02-22 West Virginia DEP State 345 05-01-21 Wisconsin State 998044300 08-31-21 Eurofins TestAmerica, Knoxville * Accreditation/Certification renewal pending - accreditation/certification considered valid. Page 21 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Method Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Method Method Description LaboratoryProtocol EPA537 (modified) Fluorinated Alkyl Substances TAL KNX TAL SOPNoneLeaching Procedure TAL KNX TAL SOPNoneLeaching Procedure for Condensate TAL KNX TAL SOPNoneLeaching Procedure for Filter TAL KNX NoneSplitSource Air Split TAL KNX Protocol References: EPA = US Environmental Protection Agency None = None TAL SOP = TestAmerica Laboratories, Standard Operating Procedure Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 22 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Sample Summary Job ID: 140-22282-1Client: The Chemours Company FC, LLC Project/Site: VES Carbon Bed Outlet Lab Sample ID Client Sample ID ReceivedCollectedMatrix Asset ID 140-22282-1 S-1983,1984 VES CB OUTLET R1 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22282-2 S-1985,1986,1988 VES CB OUTLET R1 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22282-3 S-1987 VES CB OUTLET R1 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22282-4 S-1989 VES CB OUTLET R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 140-22282-5 S-1990,1991 VES CB OUTLET R2 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22282-6 S-1992,1993,1995 VES CB OUTLET R2 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22282-7 S-1994 VES CB OUTLET R2 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22282-8 S-1996 VES CB OUTLET R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 140-22282-9 S-1997,1998 VES CB OUTLET R3 OTM-45 FH Air 03/12/21 00:00 03/13/21 10:40 140-22282-10 S-1999,2000,2002 VES CB OUTLET R3 OTM-45 BH Air 03/12/21 00:00 03/13/21 10:40 140-22282-11 S-2001 VES CB OUTLET R3 OTM-45 IMPINGERS 1,2&3 COND Air 03/12/21 00:00 03/13/21 10:40 140-22282-12 S-2003 VES CB OUTLET R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Air 03/12/21 00:00 03/13/21 10:40 Eurofins TestAmerica, Knoxville Page 23 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 24 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 25 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 26 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 27 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 28 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 29 of 29 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QA/QC Laboratory Data ANALYTICAL REPORT Eurofins TestAmerica, Knoxville 5815 Middlebrook Pike Knoxville, TN 37921 Tel: (865)291-3000 Laboratory Job ID: 140-22287-1 Client Project/Site: PPA Carbon Bed Field QC For: The Chemours Company FC, LLC c/o AECOM Sabre Building, Suite 300 4051 Ogletown Road Newark, Delaware 19713 Attn: Michael Aucoin Authorized for release by: 4/6/2021 1:21:45 PM Courtney Adkins, Project Manager II (865)291-3019 courtney.adkins@eurofinset.com This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Table of Contents Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Laboratory Job ID: 140-22287-1 Page 2 of 23 Eurofins TestAmerica, Knoxville4/6/2021 Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Definitions/Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Isotope Dilution Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 QC Association Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Lab Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Definitions/Glossary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Qualifiers LCMS Qualifier Description B Compound was found in the blank and sample. Qualifier Glossary These commonly used abbreviations may or may not be present in this report. ¤Listed under the "D" column to designate that the result is reported on a dry weight basis Abbreviation %R Percent Recovery CFL Contains Free Liquid CFU Colony Forming Unit CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dil Fac Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MCL EPA recommended "Maximum Contaminant Level" MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) MPN Most Probable Number MQL Method Quantitation Limit NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) NEG Negative / Absent POS Positive / Present PQL Practical Quantitation Limit PRES Presumptive QC Quality Control RER Relative Error Ratio (Radiochemistry) RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TNTC Too Numerous To Count Eurofins TestAmerica, Knoxville Page 3 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Case Narrative Client: The Chemours Company FC, LLC Job ID: 140-22287-1 Project/Site: PPA Carbon Bed Field QC Job ID: 140-22287-1 Laboratory: Eurofins TestAmerica, Knoxville Narrative Job Narrative 140-22287-1 Receipt The samples were received on 3/13/2021 10:40 AM. Unless otherwise noted below, the samples arrived in good condition, and where required, properly preserved and on ice. The temperature of the cooler at receipt was 1.6º C. LCMS LC/MS/MS Sampling Train Preparation and Analysis: The sampling train components are extracted and analyzed for Per- and Polyfluorinated Alkyl Substances (PFAS) using Eurofins TestAmerica Knoxville standard operating procedures KNOX-OP-0026 and KNOX-LC-0007. The sampling trains are prepared as four analytical fractions: The particulate filter and front half of the filter holder, nozzle and probe solvent rinses are combined for one analytical fraction. The XAD-2 resin trap and back half of the filter holder, coil condenser and connecting glassware solvent rinses are also combined as a separate analytical fraction. The condensate, impinger contents and their related glassware DI water rinses make up the third analytical fraction. The breakthrough XAD module makes up the fourth analytical fraction. The filters and XAD components are spiked with isotope dilution internal standards and the components are extracted with methanol/ammonium hydroxide by shaking for at least 18 hours. The extracts are concentrated to 10 mL and analyzed by HPLC/MS/MS. The condensates are spiked with the isotope dilution internal standards and extracted using either Solid-Phase Extraction (SPE) or diluting the water sample for analysis. Each extract at its final volume is 80:20 methanol:water Sample results were calculated using the following equation: Result, ηg/sample = (on-column concentration, ηg/mL) × (nominal final volume of extract (10 mL) / 1 sample) × DF × SF Where: DF = Instrument dilution factor SF = Extraction Split Factor = (final volume of extract in the initial extraction batch / initial volume of extract in the “Split” batch) For condensate, if less than the entire sample is extracted, the fraction of sample used replaces “1 sample” Method 537 (modified): The method blank for preparation batch 140-48003 and 140-48146 contained HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. Method 537 (modified): The Isotope Dilution Analyte (IDA) recovery associated with the following sample is below the method recommended limit: (LCS 140-47984/2-B). Generally, data quality is not considered affected if the IDA signal-to-noise ratio is greater than 10:1. Method 537 (modified): The method blank for preparation batch 140-47984 and 140-48079 HFPO-DA above the reporting limit (RL). The entire sample was consumed during analysis or extraction, therefore, the data have been reported. No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. Organic Prep No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. Eurofins TestAmerica, KnoxvillePage 4 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Detection Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Client Sample ID: T-1108,1109 QC OTM-45 PPA CB FH BT Lab Sample ID: 140-22287-1 HFPO-DA RL 0.00100 ug/Sample MDL 0.000580 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00386 537 (modified) Client Sample ID: T-1110,1111,1113 QC OTM-45 PPA CB BH BT Lab Sample ID: 140-22287-2 No Detections. Client Sample ID: T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BT Lab Sample ID: 140-22287-3 HFPO-DA RL 0.000500 ug/Sample MDL 0.0000825 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00133 537 (modified) Client Sample ID: T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BT Lab Sample ID: 140-22287-4 No Detections. Client Sample ID: T-1115 QC OTM-45 PPA CB DI WATER RB Lab Sample ID: 140-22287-5 HFPO-DA RL 0.000500 ug/Sample MDL 0.0000825 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00121 537 (modified) Client Sample ID: T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RB Lab Sample ID: 140-22287-6 No Detections. Client Sample ID: T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PB Lab Sample ID: 140-22287-7 No Detections. Client Sample ID: A-7359 MEDIA CHECK XAD Lab Sample ID: 140-22287-8 No Detections. Client Sample ID: A-7360 MEDIA CHECK FILTER Lab Sample ID: 140-22287-9 HFPO-DA RL 0.00100 ug/Sample MDL 0.000580 Analyte Result Qualifier Unit Dil Fac D Method Prep Type Total/NA1B0.00267 537 (modified) Eurofins TestAmerica, Knoxville This Detection Summary does not include radiochemical test results. Page 5 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Client Sample Results Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Lab Sample ID: 140-22287-1Client Sample ID: T-1108,1109 QC OTM-45 PPA CB FH BT Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00386 B 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 11:13 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 96 25-150 03/22/21 14:10 03/28/21 11:13 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-2Client Sample ID: T-1110,1111,1113 QC OTM-45 PPA CB BH BT Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 21:44 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 80 25-150 03/23/21 14:37 04/01/21 21:44 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-3Client Sample ID: T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BT Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00133 B 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 14:23 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 108 25-150 03/23/21 05:53 03/27/21 14:23 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-4Client Sample ID: T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BT Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 21:53 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 76 25-150 03/23/21 14:37 04/01/21 21:53 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-5Client Sample ID: T-1115 QC OTM-45 PPA CB DI WATER RB Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00121 B 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 14:32 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 111 25-150 03/23/21 05:53 03/27/21 14:32 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 6 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Client Sample Results Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Lab Sample ID: 140-22287-6Client Sample ID: T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RB Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 22:02 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 91 25-150 03/23/21 14:37 04/01/21 22:02 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-7Client Sample ID: T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PB Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 22:11 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 87 25-150 03/23/21 14:37 04/01/21 22:11 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-8Client Sample ID: A-7359 MEDIA CHECK XAD Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 22:37 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 74 25-150 03/23/21 14:37 04/01/21 22:37 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Lab Sample ID: 140-22287-9Client Sample ID: A-7360 MEDIA CHECK FILTER Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Sample Container: Air Train Method: 537 (modified) - Fluorinated Alkyl Substances RL MDL HFPO-DA 0.00267 B 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 11:22 1 Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier 13C3 HFPO-DA 83 25-150 03/22/21 14:10 03/28/21 11:22 1 Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 7 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Isotope Dilution Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Method: 537 (modified) - Fluorinated Alkyl Substances Prep Type: Total/NAMatrix: Air Lab Sample ID Client Sample ID (25-150) HFPODA 96140-22287-1 Percent Isotope Dilution Recovery (Acceptance Limits) T-1108,1109 QC OTM-45 PPA CB FH BT 80140-22287-2 T-1110,1111,1113 QC OTM-45 PPA CB BH BT 108140-22287-3 T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BT 76140-22287-4 T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BT 111140-22287-5 T-1115 QC OTM-45 PPA CB DI WATER RB 91140-22287-6 T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RB 87140-22287-7 T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PB 74140-22287-8 A-7359 MEDIA CHECK XAD 83140-22287-9 A-7360 MEDIA CHECK FILTER 32LCS 140-47984/2-B Lab Control Sample 112LCS 140-48003/2-B Lab Control Sample 76LCS 140-48051/2-B Lab Control Sample 96LCSD 140-47984/3-B Lab Control Sample Dup 107LCSD 140-48003/3-B Lab Control Sample Dup 78LCSD 140-48051/3-B Lab Control Sample Dup 76MB 140-47984/14-B Method Blank 92MB 140-47984/1-B Method Blank 102MB 140-48003/14-B Method Blank 112MB 140-48003/1-B Method Blank 93MB 140-48051/1-B Method Blank Surrogate Legend HFPODA = 13C3 HFPO-DA Eurofins TestAmerica, Knoxville Page 8 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 QC Sample Results Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Method: 537 (modified) - Fluorinated Alkyl Substances Client Sample ID: Method BlankLab Sample ID: MB 140-47984/14-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 RL MDL HFPO-DA 0.002612 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 03:40 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 76 25-150 03/28/21 03:40 1 MB MB Isotope Dilution 03/22/21 14:10 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-47984/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 RL MDL HFPO-DA 0.002562 0.00100 0.000580 ug/Sample 03/22/21 14:10 03/28/21 01:28 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 92 25-150 03/28/21 01:28 1 MB MB Isotope Dilution 03/22/21 14:10 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-47984/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02413 ug/Sample 121 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 32 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-47984/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48219 Prep Batch: 47984 HFPO-DA 0.0200 0.02295 ug/Sample 115 60-140 5 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 96 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-48003/14-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 RL MDL HFPO-DA 0.001372 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 13:57 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 102 25-150 03/27/21 13:57 1 MB MB Isotope Dilution 03/23/21 05:53 Dil FacPrepared AnalyzedQualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 9 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 QC Sample Results Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Client Sample ID: Method BlankLab Sample ID: MB 140-48003/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 RL MDL HFPO-DA 0.001514 0.000500 0.0000825 ug/Sample 03/23/21 05:53 03/27/21 11:45 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 112 25-150 03/27/21 11:45 1 MB MB Isotope Dilution 03/23/21 05:53 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-48003/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01114 ug/Sample 111 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 112 LCS LCS Qualifier Limits%Recovery Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-48003/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48210 Prep Batch: 48003 HFPO-DA 0.0100 0.01177 ug/Sample 118 60-140 6 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 107 LCSD LCSD Qualifier Limits%Recovery Client Sample ID: Method BlankLab Sample ID: MB 140-48051/1-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 48051 RL MDL HFPO-DA ND 0.00160 0.00140 ug/Sample 03/23/21 14:37 04/01/21 21:18 1 MB MB Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier 13C3 HFPO-DA 93 25-150 04/01/21 21:18 1 MB MB Isotope Dilution 03/23/21 14:37 Dil FacPrepared AnalyzedQualifier Limits%Recovery Client Sample ID: Lab Control SampleLab Sample ID: LCS 140-48051/2-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 48051 HFPO-DA 0.0200 0.02171 ug/Sample 109 60-140 Analyte LCS LCS DUnitResult Qualifier %Rec Spike Added %Rec. Limits 13C3 HFPO-DA 25 -150 Isotope Dilution 76 LCS LCS Qualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 10 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 QC Sample Results Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 140-48051/3-B Matrix: Air Prep Type: Total/NA Analysis Batch: 48419 Prep Batch: 48051 HFPO-DA 0.0200 0.02091 ug/Sample 105 60-140 4 30 Analyte LCSD LCSD DUnitResult Qualifier %Rec Spike Added %Rec. Limits LimitRPD RPD 13C3 HFPO-DA 25 -150 Isotope Dilution 78 LCSD LCSD Qualifier Limits%Recovery Eurofins TestAmerica, Knoxville Page 11 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 QC Association Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC LCMS Prep Batch: 47984 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22287-1 T-1108,1109 QC OTM-45 PPA CB FH BT Total/NA Air None140-22287-9 A-7360 MEDIA CHECK FILTER Total/NA Air NoneMB 140-47984/14-B Method Blank Total/NA Air NoneMB 140-47984/1-B Method Blank Total/NA Air NoneLCS 140-47984/2-B Lab Control Sample Total/NA Air NoneLCSD 140-47984/3-B Lab Control Sample Dup Total/NA Prep Batch: 48003 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22287-3 T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BTTotal/NA Air None140-22287-5 T-1115 QC OTM-45 PPA CB DI WATER RB Total/NA Air NoneMB 140-48003/14-B Method Blank Total/NA Air NoneMB 140-48003/1-B Method Blank Total/NA Air NoneLCS 140-48003/2-B Lab Control Sample Total/NA Air NoneLCSD 140-48003/3-B Lab Control Sample Dup Total/NA Prep Batch: 48051 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air None140-22287-2 T-1110,1111,1113 QC OTM-45 PPA CB BH BT Total/NA Air None140-22287-4 T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BTTotal/NA Air None140-22287-6 T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RBTotal/NA Air None140-22287-7 T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PBTotal/NA Air None140-22287-8 A-7359 MEDIA CHECK XAD Total/NA Air NoneMB 140-48051/1-B Method Blank Total/NA Air NoneLCS 140-48051/2-B Lab Control Sample Total/NA Air NoneLCSD 140-48051/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48079 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 47984140-22287-1 T-1108,1109 QC OTM-45 PPA CB FH BT Total/NA Air Split 47984140-22287-9 A-7360 MEDIA CHECK FILTER Total/NA Air Split 47984MB 140-47984/14-B Method Blank Total/NA Air Split 47984MB 140-47984/1-B Method Blank Total/NA Air Split 47984LCS 140-47984/2-B Lab Control Sample Total/NA Air Split 47984LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Cleanup Batch: 48146 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 48003140-22287-3 T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BTTotal/NA Air Split 48003140-22287-5 T-1115 QC OTM-45 PPA CB DI WATER RB Total/NA Air Split 48003MB 140-48003/14-B Method Blank Total/NA Air Split 48003MB 140-48003/1-B Method Blank Total/NA Air Split 48003LCS 140-48003/2-B Lab Control Sample Total/NA Air Split 48003LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48210 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48146140-22287-3 T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BTTotal/NA Air 537 (modified)48146140-22287-5 T-1115 QC OTM-45 PPA CB DI WATER RB Total/NA Air 537 (modified)48146MB 140-48003/14-B Method Blank Total/NA Air 537 (modified)48146MB 140-48003/1-B Method Blank Total/NA Eurofins TestAmerica, Knoxville Page 12 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 QC Association Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC LCMS (Continued) Analysis Batch: 48210 (Continued) Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48146LCS 140-48003/2-B Lab Control Sample Total/NA Air 537 (modified)48146LCSD 140-48003/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48219 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48079MB 140-47984/14-B Method Blank Total/NA Air 537 (modified)48079MB 140-47984/1-B Method Blank Total/NA Air 537 (modified)48079LCS 140-47984/2-B Lab Control Sample Total/NA Air 537 (modified)48079LCSD 140-47984/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48223 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48079140-22287-1 T-1108,1109 QC OTM-45 PPA CB FH BT Total/NA Air 537 (modified)48079140-22287-9 A-7360 MEDIA CHECK FILTER Total/NA Cleanup Batch: 48224 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air Split 48051140-22287-2 T-1110,1111,1113 QC OTM-45 PPA CB BH BT Total/NA Air Split 48051140-22287-4 T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BTTotal/NA Air Split 48051140-22287-6 T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RBTotal/NA Air Split 48051140-22287-7 T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PBTotal/NA Air Split 48051140-22287-8 A-7359 MEDIA CHECK XAD Total/NA Air Split 48051MB 140-48051/1-B Method Blank Total/NA Air Split 48051LCS 140-48051/2-B Lab Control Sample Total/NA Air Split 48051LCSD 140-48051/3-B Lab Control Sample Dup Total/NA Analysis Batch: 48419 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch Air 537 (modified)48224140-22287-2 T-1110,1111,1113 QC OTM-45 PPA CB BH BT Total/NA Air 537 (modified)48224140-22287-4 T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BTTotal/NA Air 537 (modified)48224140-22287-6 T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RBTotal/NA Air 537 (modified)48224140-22287-7 T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PBTotal/NA Air 537 (modified)48224140-22287-8 A-7359 MEDIA CHECK XAD Total/NA Air 537 (modified)48224MB 140-48051/1-B Method Blank Total/NA Air 537 (modified)48224LCS 140-48051/2-B Lab Control Sample Total/NA Air 537 (modified)48224LCSD 140-48051/3-B Lab Control Sample Dup Total/NA Eurofins TestAmerica, Knoxville Page 13 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22287-1 Project/Site: PPA Carbon Bed Field QC Client Sample ID: T-1108,1109 QC OTM-45 PPA CB FH BT Lab Sample ID: 140-22287-1 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48223 03/28/21 11:13 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: T-1110,1111,1113 QC OTM-45 PPA CB BH BT Lab Sample ID: 140-22287-2 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 14:37 TAL KNX48051 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48224 03/28/21 10:17 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 21:44 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BT Lab Sample ID: 140-22287-3 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 14:23 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BT Lab Sample ID: 140-22287-4 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 14:37 TAL KNX48051 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48224 03/28/21 10:17 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 21:53 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: T-1115 QC OTM-45 PPA CB DI WATER RB Lab Sample ID: 140-22287-5 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 05:53 TAL KNX48003 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 10 mL Cleanup Split 48146 03/25/21 13:57 DWS TAL KNXTotal/NA 10 mL 10 mL Analysis 537 (modified)1 48210 03/27/21 14:32 JRC TAL KNXTotal/NA LCAInstrument ID: Eurofins TestAmerica, Knoxville Page 14 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Lab Chronicle Client: The Chemours Company FC, LLC Job ID: 140-22287-1 Project/Site: PPA Carbon Bed Field QC Client Sample ID: T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RB Lab Sample ID: 140-22287-6 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 14:37 TAL KNX48051 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48224 03/28/21 10:17 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 22:02 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PB Lab Sample ID: 140-22287-7 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 14:37 TAL KNX48051 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48224 03/28/21 10:17 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 22:11 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-7359 MEDIA CHECK XAD Lab Sample ID: 140-22287-8 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/23/21 14:37 TAL KNX48051 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 360 mL Cleanup Split 48224 03/28/21 10:17 DWS TAL KNXTotal/NA 180 mL 10 mL Analysis 537 (modified)1 48419 04/01/21 22:37 JRC TAL KNXTotal/NA LCAInstrument ID: Client Sample ID: A-7360 MEDIA CHECK FILTER Lab Sample ID: 140-22287-9 Matrix: AirDate Collected: 03/09/21 00:00 Date Received: 03/13/21 10:40 Prep None DWS03/22/21 14:10 TAL KNX47984 Type Batch Method Batch Prep Type LabAnalystRun Prepared or Analyzed Initial Amount Amount Final Batch NumberFactor Dil Total/NA 1 Sample 50 mL Cleanup Split 48079 03/24/21 09:23 DWS TAL KNXTotal/NA 25 mL 10 mL Analysis 537 (modified)1 48223 03/28/21 11:22 JRC TAL KNXTotal/NA LCAInstrument ID: Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 15 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Accreditation/Certification Summary Client: The Chemours Company FC, LLC Job ID: 140-22287-1 Project/Site: PPA Carbon Bed Field QC Laboratory: Eurofins TestAmerica, Knoxville All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Authority Program Identification Number Expiration Date N/AAFCEE ANAB Dept. of Defense ELAP L2311 02-13-22 ANAB Dept. of Energy L2311.01 02-13-22 ANAB ISO/IEC 17025 L2311 02-13-22 ANAB ISO/IEC 17025 L2311 02-14-22 Arkansas DEQ State 88-0688 06-17-21 California State 2423 06-30-22 Colorado State TN00009 02-28-21 * Connecticut State PH-0223 09-30-21 Florida NELAP E87177 07-01-21 Georgia (DW)State 906 12-11-22 Hawaii State NA 12-11-21 Kansas NELAP E-10349 10-31-21 Kentucky (DW)State 90101 12-31-21 Louisiana NELAP 83979 06-30-21 Louisiana (DW)State LA019 12-31-21 Maryland State 277 03-31-22 Michigan State 9933 12-11-22 Nevada State TN00009 07-31-21 New Hampshire NELAP 299919 01-17-22 New Jersey NELAP TN001 07-01-21 New York NELAP 10781 03-31-22 North Carolina (DW)State 21705 07-31-21 North Carolina (WW/SW)State 64 12-31-21 Ohio VAP State CL0059 06-02-23 Oklahoma State 9415 08-31-21 Oregon NELAP TNI0189 01-01-22 Pennsylvania NELAP 68-00576 12-31-21 Tennessee State 02014 12-11-22 Texas NELAP T104704380-18-12 08-31-21 US Fish & Wildlife US Federal Programs 058448 07-31-21 USDA US Federal Programs P330-19-00236 08-20-22 Utah NELAP TN00009 07-31-21 Virginia NELAP 460176 09-14-21 Washington State C593 01-19-22 West Virginia (DW)State 9955C 01-02-22 West Virginia DEP State 345 05-01-21 Wisconsin State 998044300 08-31-21 Eurofins TestAmerica, Knoxville * Accreditation/Certification renewal pending - accreditation/certification considered valid. Page 16 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Method Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Method Method Description LaboratoryProtocol EPA537 (modified) Fluorinated Alkyl Substances TAL KNX TAL SOPNoneLeaching Procedure TAL KNX TAL SOPNoneLeaching Procedure for Condensate TAL KNX TAL SOPNoneLeaching Procedure for Filter TAL KNX NoneSplitSource Air Split TAL KNX Protocol References: EPA = US Environmental Protection Agency None = None TAL SOP = TestAmerica Laboratories, Standard Operating Procedure Laboratory References: TAL KNX = Eurofins TestAmerica, Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL (865)291-3000 Eurofins TestAmerica, Knoxville Page 17 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Sample Summary Job ID: 140-22287-1Client: The Chemours Company FC, LLC Project/Site: PPA Carbon Bed Field QC Lab Sample ID Client Sample ID ReceivedCollectedMatrix Asset ID 140-22287-1 T-1108,1109 QC OTM-45 PPA CB FH BT Air 03/09/21 00:00 03/13/21 10:40 140-22287-2 T-1110,1111,1113 QC OTM-45 PPA CB BH BT Air 03/09/21 00:00 03/13/21 10:40 140-22287-3 T-1112 QC OTM-45 PPA CB IMPINGER 1,2&3 COND BT Air 03/09/21 00:00 03/13/21 10:40 140-22287-4 T-1114 QC OTM-45 PPA CB BREAKTHROUGH XAD-2 RESIN TUBE BT Air 03/09/21 00:00 03/13/21 10:40 140-22287-5 T-1115 QC OTM-45 PPA CB DI WATER RB Air 03/09/21 00:00 03/13/21 10:40 140-22287-6 T-1116 QC OTM-45 PPA CB MEOH WITH 5% NH4OH RB Air 03/09/21 00:00 03/13/21 10:40 140-22287-7 T-1117 QC OTM-45 PPA CB COMBINED GLASSWARE RINSES (MEOH/5% NH4OH) PB Air 03/09/21 00:00 03/13/21 10:40 140-22287-8 A-7359 MEDIA CHECK XAD Air 03/09/21 00:00 03/13/21 10:40 140-22287-9 A-7360 MEDIA CHECK FILTER Air 03/09/21 00:00 03/13/21 10:40 Eurofins TestAmerica, Knoxville Page 18 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Page 19 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Page 20 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Page 21 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Page 22 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Page 23 of 23 4/6/2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Ramboll - Source Emissions Testing of the Vinyl Ethers South Carbon Bed APPENDIX E EQUIPMENT CALIBRATION DATA Pretest Equipment Calibration Data METHOD 5 DRY GAS METER CALIBRATION USING CRITICAL ORIFICES 1) Select three critical orifices to calibrate the dry gas meter which bracket the expected operating range. 2) Record barometric pressure before and after calibration procedure. 3) Run at tested vacuum (from Orifice Calibration Report), for a period of time necessary to achieve a minimum total volume of 5 cubic feet. 4) Record data and information in the GREEN cells, YELLOW cells are calculated. INITIAL FINAL AVG (Pbar) DATE:2/10/2021 METER SERIAL #:MB3 BAROMETRIC PRESSURE (in Hg):30.38 30.38 30.38 METER PART #:CRITICAL ORIFICE SET SERIAL #:1393 K'TESTED TEMPERATURES °F ELAPSED Y % Diff Y % Diff FACTOR VACUUM DGM READINGS (FT3)AMBIENT DGM INLET DGM OUTLET DGM TIME (MIN)DGM DH (1)(2)(3)to with other ORIFICE #RUN #(AVG)(in Hg)INITIAL FINAL NET (Vm)INITIALFINALINITIALFINAL AVG q (in H2O)Vm (STD)Vcr (STD)Y Average Y orifices DH@ 1 0.306 24 889.290 895.162 5.872 57 60 61 60 60 60.25 15.00 0.44 6.0587 6.1346 1.013 1.53 2 0.306 3 0.306 AVG = 1.013 1.06 1.35 1 0.4268 22.5 895.162 900.693 5.531 58 61 62 60 61 61 10.00 0.86 5.7045 5.6987 0.999 1.54 2 0.4268 3 0.4268 AVG = 0.999 -0.29 -0.20 1 0.4961 21.5 900.693 907.113 6.420 58 62 63 61 61 61.75 10.00 1.2 6.6172 6.6240 1.001 1.59 2 0.4961 3 0.4961 AVG = 1.001 -0.09 0.47 1 0.7131 19 907.113 916.371 9.258 58 63 65 61 62 62.75 10.00 2.6 9.5563 9.5215 0.996 1.67 2 0.7131 3 0.7131 AVG = 0.996 -0.56 -0.43 1 0.8358 17.5 916.371 927.180 10.809 58 65 67 62 63 64.25 10.00 3.6 11.1521 11.1598 1.001 1.68 2 0.8358 3 0.8358 AVG = 1.001 -0.12 0.44 AVERAGE DRY GAS METER CALIBRATION FACTOR, Y = 1.002 AVERAGE DH@ = 1.60 (1)=Net volume of gas sample passed through DGM, corrected to standard conditions K1 =17.64 oR/in. Hg (English), 0.3858 oK/mm Hg (Metric) Tm =Absolute DGM avg. temperature (oR - English, oK - Metric) DH@ = 0.75 q DH Vm(std) Vcr(std) Vm (2)=Volume of gas sample passed through the critical orifice, corrected to standard conditions Tamb =Absolute ambient temperature (oR - English, oK - Metric) K' = Average K' factor from Critical Orifice Calibration (3)=DGM calibration factor 11 26 31 16 18 ENVIRONMENTAL SUPPLY COMPANY USING THE CRITICAL ORIFICES AS CALIBRATION STANDARDS:The following equations are used to calculate the standard volumes of air passed through the DGM, Vm (std), and the critical orifice, Vcr (std), and the DGM calibration factor, Y. These equations are automatically calculated in the spreadsheet above. ()2 () V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Initial Calibrations\Dry Gas Meters\2021\MB 3\MB 3 Initial Cal 02102021.xls METHOD 5 DRY GAS METER CALIBRATION USING CRITICAL ORIFICES 1) Select three critical orifices to calibrate the dry gas meter which bracket the expected operating range. 2) Record barometric pressure before and after calibration procedure. 3) Run at tested vacuum (from Orifice Calibration Report), for a period of time necessary to achieve a minimum total volume of 5 cubic feet. 4) Record data and information in the GREEN cells, YELLOW cells are calculated. INITIAL FINAL AVG (Pbar) DATE:1/11/2021 METER SERIAL #:MB 5 BAROMETRIC PRESSURE (in Hg):29.92 29.92 29.92 METER PART #:CRITICAL ORIFICE SET SERIAL #:1393 K'TESTED TEMPERATURES °F ELAPSED Y % Diff Y % Diff FACTOR VACUUM DGM READINGS (FT3)AMBIENT DGM INLET DGM OUTLET DGM TIME (MIN)DGM DH (1)(2)(3)to with other ORIFICE #RUN #(AVG)(in Hg)INITIAL FINAL NET (Vm)INITIALFINALINITIALFINAL AVG q (in H2O)Vm (STD)Vcr (STD)Y Average Y orifices DH@ 1 0.306 23.5 606.287 614.284 7.997 64 65 66 67 66 66 20.00 0.51 8.0390 8.0016 0.995 1.80 2 0.306 3 0.306 AVG = 0.995 0.43 0.82 1 0.4268 22 614.297 619.908 5.611 65 66 67 66 66 66.25 10.00 1.05 5.6453 5.5749 0.988 1.91 2 0.4268 3 0.4268 AVG = 0.988 -0.36 0.02 1 0.4961 21 619.923 626.441 6.518 66 67 68 66 66 66.75 10.00 1.4 6.5572 6.4739 0.987 1.89 2 0.4961 3 0.4961 AVG = 0.987 -0.38 -0.02 1 0.7131 19 626.447 635.794 9.347 66 68 72 67 67 68.5 10.00 2.9 9.4065 9.3057 0.989 1.90 2 0.7131 3 0.7131 AVG = 0.989 -0.18 0.20 1 0.8358 17.5 635.813 646.695 10.882 67 71 74 68 69 70.5 10.00 4 10.9392 10.8965 0.996 1.90 2 0.8358 3 0.8358 AVG = 0.996 0.50 0.89 AVERAGE DRY GAS METER CALIBRATION FACTOR, Y = 0.991 AVERAGE DH@ = 1.88 (1)=Net volume of gas sample passed through DGM, corrected to standard conditions K1 =17.64 oR/in. Hg (English), 0.3858 oK/mm Hg (Metric) Tm =Absolute DGM avg. temperature (oR - English, oK - Metric) DH@ = 0.75 q DH Vm(std) Vcr(std) Vm (2)=Volume of gas sample passed through the critical orifice, corrected to standard conditions Tamb =Absolute ambient temperature (oR - English, oK - Metric) K' = Average K' factor from Critical Orifice Calibration (3)=DGM calibration factor 11 26 31 16 18 ENVIRONMENTAL SUPPLY COMPANY USING THE CRITICAL ORIFICES AS CALIBRATION STANDARDS:The following equations are used to calculate the standard volumes of air passed through the DGM, Vm (std), and the critical orifice, Vcr (std), and the DGM calibration factor, Y. These equations are automatically calculated in the spreadsheet above. ()2 () V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Initial Calibrations\Dry Gas Meters\2021\MB 5\MB 5 Initial Cal 01112021.xls Initial Oven Box Thermocouple Calibration Reference Thermocouple Reference Thermocouple Reference ThermocoupleTemperature (oR)Temperature (oR)Temperature (oR)Temperature (oR)Temperature (oR)Temperature (oR) OB-1 491.67 492.67 0.2%524.67 523.67 -0.2%671.67 673.67 0.3%SMilo 02/22/21 OB-2 491.67 492 0.1%530.67 531 0.1%671.67 672 0.0%SRW 03/02/21 OB-3 491.67 493 0.3%530.67 530 -0.1%671.67 671 -0.1%SRW 03/02/21 OB-4 491.67 493.67 0.4%524.67 524.67 0.0%671.67 670.67 -0.1%SMilo 02/22/21 OB-A 491.67 493 0.3%530.67 529 -0.3%671.67 673 0.2%SRW 03/02/21 OB-B 491.67 492 0.1%530.67 530 -0.1%671.67 672 0.0%SRW 03/02/21 OB-5 491.67 492 0.1%530.67 530 -0.1%671.67 670 -0.2%SRW 03/02/21 OB-C 491.67 492 0.1%530.67 529 -0.3%671.67 674 0.3%SRW 03/03/21 OB-6 491.67 493.67 0.4%524.67 525 0.1%671.67 669.67 -0.3%SMilo 02/22/21 OB-7 491.67 494.67 0.6%524.67 525 0.1%671.67 669.67 -0.3%SMilo 02/22/21 OB-E 491.67 492 0.1%530.67 529 -0.3%671.67 671.67 0.0%SRW 03/03/21 OB-10 491.67 492 0.1%530.67 531 0.1%671.67 670 -0.2%SRW 03/03/21 OB-11 491.67 495 0.7%530.67 532 0.3%671.67 672 0.0%SRW 03/03/21 OB-12 491.67 493 0.3%530.67 531 0.1%671.67 671 -0.1%SRW 03/03/21 Reference Thermocouple: Fluke S/N: 83450033 or S/N 90460057 traceable to the Untied States National Institute of Standards and Technology *Acceptable Deviation: 1.5% ID Number Ice Bath Ambient Hot Water Bath Deviation*Deviation*Deviation*Technician Date Performed C:\Stack\Projects\Chemours\Fayetteville\March 2021\PPA Report\App E\Copy of Init OB Cal 03032021.xls\2020 DOCUMENT TITLEInitial Impinger Outlet Thermocouple CalibrationReference ThermocoupleReference ThermocoupleReference ThermocoupleTemperature (oRk)Temperature (oRk)Temperature (oRk)Temperature (oRk)Temperature (oRk)Temperature (oRk)IO-1 494.17 493.87 -0.1% 524.37 523.17 -0.2% 672.17 672.67 0.1% SM 03/16/21IO-2 493.67 493.87 0.0% 524.57 523.17 -0.3% 671.77 672.67 0.1% SM 03/16/21IO-3 493.57 493.87 0.1% 521.37 523.17 0.3% 671.77 672.67 0.1% SM 03/16/21IO-4 493.97 493.87 0.0% 524.37 523.17 -0.2% 671.17 672.67 0.2% SM 03/16/21IO-5 493.77 493.87 0.0% 524.07 523.17 -0.2% 672.37 672.67 0.0% SM 03/16/21IO-6 493.97 493.87 0.0% 522.97 523.17 0.0% 670.77 672.67 0.3% SM 03/16/21IO-7 493.17 493.87 0.1% 524.37 523.17 -0.2% 671.37 672.67 0.2% SM 03/16/21IO-8 494.37 493.87 -0.1% 523.67 523.17 -0.1% 670.37 672.67 0.3% SM 03/16/21IO-9IO-10 493.77 493.87 0.0% 524.27 523.17 -0.2% 671.27 672.67 0.2% SM 03/16/21IO-11 494.37 493.87 -0.1% 524.37 523.17 -0.2% 672.27 672.67 0.1% SM 03/16/21IO-12 493.77 493.87 0.0% 522.17 523.17 0.2% 671.47 672.67 0.2% SM 03/16/21IO-13SM 03/16/21IO-14 493.87 493.87 0.0% 524.37 523.17 -0.2% 670.87 672.67 0.3% SM 03/16/21IO-15 494.17 493.87 -0.1% 524.37 523.17 -0.2% 671.47 672.67 0.2% SM 03/16/21IO-16 494.37 493.87 -0.1% 524.37 523.17 -0.2% 671.07 672.67 0.2% SM 03/16/21IO-17 493.37 493.87 0.1% 522.17 670.97IO-18 494.17 493.87 -0.1% 524.37 523.17 -0.2% 671.27 672.67 0.2% SM 03/16/21IO-19 493.97 493.87 0.0% 524.77 523.17 -0.3% 672.97 672.67 0.0% SM 03/16/21Reference Thermocouple: Fluke S/N: 83450033 or S/N 90460057 traceable to the Untied States National Institute of Standards and Technology*Acceptable Deviation: 1.5%TechnicianDate PerformedID NumberIce Bath Ambient Hot Water BathDeviation* Deviation* Deviation*V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Initial Calibrations\Impinger Outlets\2021\2021 Init I.O. Cal.xlsx\2019 DOCUMENT TITLE Initial Sample Probe Calibration Form Probe ID Date Technician Is the Pitot Level and Perpindicular?Yes Is There any Obstruction?No Is the Pitot Damaged No α1 (-10o = α1 = + 10o)1 α2 (-10o = α2 = + 10o)0 ß1 (-5o = ß1 = + 5o)1 ß2 (-5o = ß2 = + 5o)1 γ 1 Θ 0 z = A Tan γ (< 0.125")0.011 W = A Tan Θ (< 0.03125")0.0000 Dt (3/16 = Dt = 3/8")0.252 A 0.655 A/2Dt (1.05 = PA/Dt = 1.5)1.300 Source: Quality Assurance Handbook for Air Pollution Measurement Systems: Volume III, Stationary Source-Specific Methods. EPA/600/R-94/038c, September 30, 1994 Verification of "S" Type Pitot, Thermocouple and Nozzle Placement Does X Exceed 0.75 inches?Yes Does Y Exceed 3 inches?NA Thermocouple Calibration 1 2 3 1 2 3 1 2 3Reference Temp 492 492 492 526 526 526 672 672 672 Thermocouple Temp 492 492 492 525 525 525 672 672 672 Difference (%)0.0 0.0 0.0 -0.2 -0.2 -0.2 0.0 0.0 0.0 Temperature values must be within 1.5% of reference temperature I certify that the probe ID meets or exceeds all specifications, criteria and/or applicable design features and is herby assigned a pitot tube calibration factor CP of 0.84. Certified By:Date:S. Waters 01/28/21 Ambient OR Boiling Water OR S. Waters P4-1/TC-7C "S" Type Pitot Calibration P4-1/TC-7C 01/28/21 Ice Bath OR C:\Stack\Projects\Chemours\Fayetteville\March 2021\PPA Report\App E\2021 Initial Probe Cal P4-1.xlsx\Initial DOCUMENT TITLE Initial Sample Probe Calibration Form Probe ID Date Technician Is the Pitot Level and Perpindicular?Yes Is There any Obstruction?No Is the Pitot Damaged No a1 (-10o = a1 = + 10o)2 a2 (-10o = a2 = + 10o)1 ß1 (-5o = ß1 = + 5o)1 ß2 (-5o = ß2 = + 5o)1 g 1 Q 0 z = A Tan g (< 0.125")0.011 W = A Tan Q (< 0.03125")0.0000 Dt (3/16 = Dt = 3/8")0.251 A 0.650 A/2Dt (1.05 = PA/Dt = 1.5)1.295 Source: Quality Assurance Handbook for Air Pollution Measurement Systems: Volume III, Stationary Source-Specific Methods. EPA/600/R-94/038c, September 30, 1994 Verification of "S" Type Pitot, Thermocouple and Nozzle Placement Does X Exceed 0.75 inches?Yes Does Y Exceed 3 inches?NA Thermocouple Calibration 1 2 3 1 2 3 1 2 3Reference Temp 492.3 492.3 492.3 533.4 533.4 533.4 671.5 671.5 671.5 Thermocouple Temp 492.9 492.8 492.8 532.7 532.6 532.7 673.1 673 673 Difference (%)0.1 0.1 0.1 -0.1 -0.1 -0.1 0.2 0.2 0.2 Temperature values must be within 1.5% of reference temperature I certify that the probe ID meets or exceeds all specifications, criteria and/or applicable design features and is herby assigned a pitot tube calibration factor CP of 0.84. Certified By:Date:P. Grady 06/16/20 Ambient OR Boiling Water OR P. Grady P4-2/TC-5D "S" Type Pitot Calibration P4-2/TC-5D 06/16/20 Ice Bath OR V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Initial Calibrations\Probes and Pitots\2020 Initial Cals\4'\2020 Initial Probe Cal P4-2.xlsx\Initial Post Test Equipment Calibration Data DOCUMENT TITLE POST TEST DRY GAS METER CALIBRATION INITIAL FINAL AVG (Pbar) DATE:03/17/21 METER BOX #:3 BAROMETRIC PRESSURE (in Hg):29.99 29.99 29.99 TECHNICIAN:S.Milo CRITICAL ORIFICE SET SERIAL #:1393 K'TESTED TEMPERATURES °F ELAPSED Y % Diff FACTOR VACUUM DGM READINGS (FT3)AMBIENT DGM INLET DGM OUTLET DGM TIME (MIN)DGM DH (1)(2)(3)to ORIFICE #RUN #(AVG)(in Hg)INITIAL FINAL NET (Vm)INITIALFINALINITIALFINAL AVG q (in H2O)Vm (STD)Vcr (STD)Y Average Y DH@ 1 2 3 AVG = 1 0.4961 21 273.710 280.129 6.419 68 67 68 66 66 66.75 10.00 1.2 6.4695 6.4767 1.001 0.18 1.62 18 2 0.4961 21 280.129 287.222 7.093 68 68 69 67 67 67.75 11.00 1.2 7.1352 7.1244 0.998 -0.09 1.62 3 0.4961 21 287.222 293.667 6.445 70 69 70 67 68 68.5 10.00 1.2 6.4742 6.4645 0.999 -0.09 1.62 AVG = 0.999 1 2 3 AVG = AVERAGE DRY GAS METER CALIBRATION FACTOR, Y = PRE-DETERMINED DRY GAS METER CALIBRATION FACTOR, Y = PERCENT DIFFERENCE = 0.999 1.002 -0.3 V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Post Test Calibrations\Meter Boxes\2021\MB 3\MB 3 Post Cal 03172021.xlsx\Sheet1 DOCUMENT TITLE POST TEST DRY GAS METER CALIBRATION INITIAL FINAL AVG (Pbar) DATE:03/17/21 METER BOX #:5 BAROMETRIC PRESSURE (in Hg):29.99 29.99 29.99 TECHNICIAN:S. Milo CRITICAL ORIFICE SET SERIAL #:1393 K'TESTED TEMPERATURES °F ELAPSED Y % Diff FACTOR VACUUM DGM READINGS (FT3)AMBIENT DGM INLET DGM OUTLET DGM TIME (MIN)DGM DH (1)(2)(3)to ORIFICE #RUN #(AVG)(in Hg)INITIAL FINAL NET (Vm)INITIALFINALINITIALFINAL AVG q (in H2O)Vm (STD)Vcr (STD)Y Average Y DH@ 1 2 3 AVG = 1 0.4961 21 333.449 339.942 6.493 71 66 67 63 64 65 10.00 1.4 6.5691 6.4584 0.983 0.06 1.91 18 2 0.4961 21 339.942 346.462 6.520 71 67 70 64 65 66.5 10.00 1.4 6.5776 6.4584 0.982 -0.07 1.90 3 0.4961 21 346.462 352.996 6.534 72 70 71 66 67 68.5 10.00 1.4 6.5668 6.4523 0.983 0.00 1.90 AVG = 0.983 1 2 3 AVG = AVERAGE DRY GAS METER CALIBRATION FACTOR, Y = PRE-DETERMINED DRY GAS METER CALIBRATION FACTOR, Y = PERCENT DIFFERENCE = 0.983 0.991 -0.9 V:\Office-Ops\ENV\Div01\Source Testing\Equipment Calibration Data\Post Test Calibrations\Meter Boxes\2021\MB 5\MB 5 Post Cal 03172021.xlsx\Sheet1