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HomeMy WebLinkAboutWQ0034775_Monitoring - 07-2022_20220822August 02, 2022 N North Carolina Department of Environmental Quality r. Division of Water Resources - Information Processing Unit. Lill 1617 Mail Service Center r<' Raleigh, North Carolina 27699-1617 Subject: July 2022 Monitoring Well Sampling and Analysis Results Bakelite LLC Closed -Loop Recycle System Permit (WQ0034775) 333 Neils Eddy Road Riegelwood, North Carolina 28456 Wood E&IS Project No. 6228220017 To Whom it May Concern: wood. N N CU T CV �r M N On behalf of Bakelite LLC., Wood Environment & Infrastructure Solutions, Inc (Wood E&IS) is pleased to provide the Division of Water Resources (DWR) of the North Carolina Department of Environmental Quality (DEQ) with the results of the July 2022 monitoring well sampling event at the referenced site in Riegelwood, North Carolina. If you have questions regarding this report or need additional information, please contact Mr. Ben Moore at (910) 452-1185. Sincerely, Wood Environment & Infrastructure Solutions, Inc. Carolyn Carolyn Smiled by /%5''L^ � y Carolyn Smillie Smillie Date: 2022.08.02 15:56:27-04'00' Ben Moore Carolyn Smillie, PG Project Manager Technical Reviewer Attachments: A) Compliance Monitoring Forms (GW-59 and GW-59A) B) Laboratory Analytical Reports Cc: Mr. Ronald Bazinet, Bakelite Ms. Emily Thompson, Bakelite Correspondence: Wood Environment & Infrastructure Solutions, Inc. 5710 Oleander Drive, Suite 110 Wilmington, North Carolina 28403 Tel (910) 452-1185 Fax (910) 791-1338 Licensure: NC Engineering F-1253 NC Geology C-247 woodplc.com GW-59A COMPLIANCE REPORT FORM Permit # WQ0034775 (Subinit one each monitoring period with GI--59 forms.) j Enter date monitoring results were due. (8 30 2022 ) Will this monitoring report (GW-59 and GW-59A) be submitted after the established due date? YES NO 2 -YES Was any required information missing on the GW-59 report forms? ---- NO IF the answer to question 1 or 2 is "YES", list in the space provided below the well identification number(s) and explain the problems encountered in obtaining the required information. 3 Are any of the monitor wells in need of repair or maintenance (damaged casing, unlocked or missing cap, missing plate, area overgrown, etc.)? If the answeris "Yes", YES contact the Regional Diceforguidance. 4 Are any monitored constituents equal to or above the established standards? INOidentification ES If the answer to question 4 is "NO", skip to section 8. If the answer to question 4 is "YES" list the affected wells individually with constituent(s) and concentration(s) exceeding standards in the space provided below. WWMW-1: Total Dissolved Solids ( 1130 mg/L); Total Ammonia Nitrogen (390 mg/L); Sulfate (442 mg/L) WWMW-2: Total Ammonia Nitrogen 78.3 mg/L); Nitrate (19.5 mg/L); pH (6.21 su) 5 For the constituents identified in question 4 above, have standards been exceeded previously for the YES NO same constituent(s) in the same well(s) in the last two years? if the answer to question 5 is "NO", skip to section 8. If the answer to question 5 is "YES", list in the space provided below, each well with constituent(s) exceeding standards, concentrations) reported, and sample collection date for each occurrence (for the last two years). WWMW-1: Total Ammonia Nitrogen 916 mg/L (7/16/20), 610 mg/L (11124120), 748 mg/L J3/17/21), 890 mg/L (7/08/21), 760 mg/L (11/10/21), 580 mg/L (3/09/22); TDS 1090 mg/L (7/16/20); 13A0 mg/L (11124120), 1840 mg/L (3/17/21), 2520 mg/L (7108121). 2410 mg/L (11110121), 1260 mg/L (3/09/22); Sulfate 1470 mg/L (7/16/20), 772 mg/L (11/24/20), 761 mg/L (3/17/211, 315 L (7/ (7/08/211, 1590 ), 315 /L (7/0 mg/L (11/30/21) 807 mg/L (3/09/22); W WMW-2: Total Ammonia Nitrogen 48 mg/L (7/16/20), 28.5 mg/L (11/24/20), 45.4 mg/L (3/17/21), 54.1 mg/L (7/08/21), 64.2 mg/L /2 mg/L (3/09/22); pH 5.25 su (7/16/20), 4.88 su (11/24/20). 4.73 su (3/17/21), 5.58 su (7/08/21), 5.56 su (11/10/21), 5.92 su (3/09/22); Nitrate 67.8 mg/L (7/16/20), 48.9 mg/L (11/24n01, 72.6 1), 2 .1 mg211. 66.4 mg/L (7/08/21); 32.6 mg/L (3/09/22) 6 Are the monitoring wells listed in section 5 located at or beyond the review boundary? YES NO If the answer is "YES", a groundwater quality problem may be occurring. CONTACT THE REGIONAL OFFICE IMMEDIATELY FOR GUIDANCE. if the answer is "NO", monitoring wells may be improperly located; contact the Regional Office. 7 Is the permittee implementing previously approved actions required by the Division involving this YES NO groundwater quality problem? If the answer to question 7 is "YES", describe those actions in the space provided below. If the answer to question 7 is "NO", contact the Regional Office within 90 days; an evaluation may be required to determine the impact the waste disposal system is having at the review and compliance boundaries surrounding this facility. Failure to do so inay subject the permittee to a Notice of Violation fines, and/or penalties The Lined Pond has been permanently removed from closed -loop recycle service. g The person completing this portion (GW-59A) of the monitoring report should sign below and submit this form with GW-59 forms for required wells to the address provided at the top of the current GW-59 form. hereby acknowledge that the above inf6rl,-, iv�s byal t 4t �l�fl AV! report (Co Report:G -59A is t IA9 and 9. plete t �( e� '" � } _. _ Signat re of Permlttee (or A h ized Agent) Date G W-59A 12/8/2003 SUBMIT FORM ON YELLOW PAPER ONLY . 0. . DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES GROUNDWATER QUALITY MONITORING: DIVISION OF WATER QUALITY -INFORMATION PROCESSING UNIT COMPLIANCE REPORT FORM '. 1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: (919) 733-3221 FACILITY INFORMATION Please Print Clearly or Type PERMIT Number: WQ0034775 Expiration Date: January 31, 2028 Facility Name: Bakelite LLC Non -Discharge UIC NPDES Other Permit Name (if different): Permit No. WQ0034775 Bakelite Synthetics — Riegelwood CLRS Closed -Loop Recycle System Columbus County Facility Address: 333 Neils Eddy Road TYPE OF PERMITTED OPERATION BEING MONITORED ❑ Lagoon ❑ Remediation: Infiltration Gallery l S1rEE1) Riegelwood NC 28456 County Columbus `"Ay) (stxco (` P� ❑ Spray Field ❑ Remediation: Contact Person: Mr. Ronald Bazinet Telephone#: (910) 655-2263 ext 5257 ❑ Rotary Distributor ❑ Land Application of Sludge Well Location/Site Name: WWMW-1 No. of wells to be sampled: 2 ❑ Water Source Heat Pump X Other: CLRS (from Permit) SAMPLING INFORMATION If WELL WELL ID NUMBER (from Permit): WWMW-1 Date sample collected: July 13, 2022 FIELD ANALYSES: WAS Well Depth: 17.80 ft. Well Diameter: 2 in. pH 00400: 7.09 units Temp. 000lo: 27.1 °C DRY at Depth to Water Level 82546: 10.78 ft. below measuring point Screened Interval: 7.8 ft. to 17.8 ft. Spec. Cond. 00094: 3852 µMhos time of MeasuringPoint is 2•45 ft. above land surface Relative M.P. Elevation: 23.29 ft. Odor 000es: odor sampling, check Volume of water pumped/bailed before sampling: 5.0 gallons Appearance black/cloudy here:® Samples for metals were collected unfiltered: W1 YES ❑ NO and field acidified: ® YES ❑ NO LABORATORY INFORMATION Date sample analyzed: July 14-27, 2022 Laboratory Name: Environmental Chemists, Inc. Certification No. 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N oo615 mg/L Pb - Lead 01051 ug/L Coliform: MF Fecal 31616 /100mL Nitrate (NO3) as N 00620 0.09 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 5.73 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 1130 mg/L Al - Aluminum 01105 mg/L Formaldehyde (8315A): 52 ug/L pH (Lab) 00403 units Ba - Barium 01007 ug/L Naphthalene (8260): 5.58 ug/L TOC oo68o 38.3 mg/L Ca - Calcium oo916 mg/L Carbon Disulfide (8260): 44.3 ug/L Chloride 00940 mg/L Cd - Cadmium 01027 ug/L Arsenic 01002 ug/L Chromium: Total 01034 ug/L Grease and Oils 00552 mg/L Cu - Copper 01042 mg/L ORGANICS: (by GC, GC/MS, HPLC) Phenol 32730 ug/L Fe - Iron 01045 ug/L (Specify test and method #. ATTACH LAB REPORT.) Sulfate 00945 442 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? A Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC(GWVOC) method # 8260 low concentration Total Ammonia oo610 390 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3as N; Ammonia Nitrogen, Total) Mn - Manganese 01055 ug/L method # TKN as N 00625 mg/L Ni - Nickel 01067 ug/L method # For Remediation Systems Only (Attach Lab Reports): Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal% Ronald Bazinet- Bakelite Site Leader Permittee (or Authorized Agent) Name and Title - Please print or type GW-59 Rev.2/2010 Signature ay.,4 9/ KV I _Z_ SUBMIT FORM ON YELLOW PAPER ONLY •. DEPARTMENT OF ENVIRONMENT $ NATURAL RESOURCES GROUNDWATER QUALITY MONITORING: ,• : DIVISION OF WATER QUALITY -INFORMATION PROCESSING UNIT COMPLIANCE REPORT FORM 1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: (919) 733-3221 FACILITY INFORMATION Please Print Clearly or Type PERMIT Number: WQ0034775 Expiration Date: January 31, 2028 Facility Name: Bakelite LLC Non -Discharge UIC NPDES Other Permit Name (if different): Permit No. W00034775 Bakelite Synthetics —Riegelwood CLRS Closed -Loop Recycle System Columbus County Facility Address: 333 Neils Eddy Road TYPE OF PERMITTED OPERATION BEING MONITORED Riegelwood NC 28456 CountyColumbus El Lagoon El Remediation: Infiltration Gallery (Cdy) (yip) _ ❑ Spray Field ❑ Remediation: Contact Person: Mr. Ronald Bazinet Telephone#: (910) 655-2263 ext 5257 ❑ Rotary Distributor ❑ Land Application of Sludge Well Location/Site Name: WWMW-2 No. of wells to be sampled: 2 ❑ Water Source Heat Pump ❑■ Other: CLRS (from Permit) SAMPLING INFORMATION If WELL WELL ID NUMBER (from Permit): WWMW-2 Date sample collected: July 13, 2022 FIELD ANALYSES: WAS Well Depth: 13.21 ft. Well Diameter: 2 in. pH 00400: 6.21 units Temp. 000lo: 27.2 °C DRY at Depth to Water Level 82546: 8.82 ft. below measuring point Screened Interval: 3.21 ft. to 13.21 ft. Spec. Cond. 00094: 1235 µMhos time of sampling,check Measuring Point is 1.56 ft. above land surface Relative M.P. Elevation: 15.89 ft. Odor 00085: none Volume of water pumped/bailed before sampling: 4.5 gallons Appearance cloudy here:® Samples for metals were collected unfiltered: Z YES ❑ NO and field acidified: 0 YES ❑ NO LABORATORY INFORMATION Date sample analyzed: July 14-27, 2022 Laboratory Name: Environmental Chemists, Inc. Certification No. 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N 00615 mg/L Pb - Lead 01051 ug/L Coliform: MF Fecal 31616 /100mL Nitrate (NO3) as N 00620 19.5 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 1.40 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 703oo 367 mg/L Al - Aluminum 01105 mg/L Formaldehyde (8315A): <50 ug/L pH (Lab) 00403 units Ba - Barium 01007 ug/L TOC 0068o 7.5 mg/L Ca - Calcium 00916 mg/L Chloride 00940 mg/L Cd - Cadmium 01027 ug/L Arsenic 01002 ug/L Chromium: Total 01034 ug/L Grease and Oils 00552 mg/L Cu - Copper 01042 mg/L ORGANICS: (by GC, GC/MS, HPLC) Phenol 32730 ug/L Fe - Iron 01045 ug/L (Specify test and method #. ATTACH LAB REPORT.) Sulfate 00945 190 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? 0 Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC (GWVOC) method # 8260low concentration Total Ammonia 00610 78.3 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3as N; Ammonia Nitrogen, Total) Mn - Manganese 01055 ug/L , method # TKN as N 00625 mg/L Ni - Nickel 01067 ug/L method # For Remediation Systems Only (Attach Lab Reports): Influent Total VOCs: Ronald Bazinet - Bakelite Site Leader Permittee (or Authorized Agent) Name and Title - Please print or type Totalmg/L Effluent • iplete, and that the laboratory analytical date possibility of fines and imprisonment for kn mg/L VOC Removal% r/,S/ Z. z GW-59 Rev. 2/2010 envitrochem ANALYTICAL & CONSULTING CHEMISTS Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Lab ID Sample ID: 22-31844 Site: WWMW-01 Test Iron Manganese Sulfate Ammonia Nitrogen Total Dissolved Solids (TDS) Total Phosphorus Sulfide Total Organic Carbon (TOC) Formaldehyde Nitrate Nitrogen (Calc) Nitrite Nitrogen Nitrate+Nitrite-Nitrogen Nitrate Nitrogen Total Nitrogen (Calc) Total Kjeldahl Nitrogen (TKN) Total Nitrogen Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax infola environmentalchemists.com Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS Collect Date/Time Matrix 7/13/2022 9:45 AM Water Method EPA 200.7, Rev. 4.4, 1994 (Dissolved) EPA 200.7, Rev. 4.4, 1994 (Dissolved) EPA 300.0, Rev. 2 1, 1993 EPA 350,1, Rev. 2.0, 1993 SM 2540 C-2015 SM 4500 P (F-H)-2011 SM 4500 S D-2011 SM 5310 B-2014 SW846 8315A EPA 353.2, Rev. 2.0, 1993 EPA 353.2, Rev. 2.0, 1993 subtraction Method EPA 351 2, Rev. 2 0, 1993 Total Nitrogen Results Sampled by Client Date Analyzed 0.175 mg/L 07/19/2022 0.158 mg/L 07/19/2022 442 mg/L 07/20/2022 390 mg/L 07/20/2022 1130 mg/L 07/14/2022 5.73 mg/L 07/21 /2022 22.5 mg/L 07/22/2022 38.3 mg/L 07/13/2022 52.0 pg/L 07/15/2022 0.05 mg/L 07/14/2022 0.14 mg/L 07/19/2022 0.09 mg/L 07/27/2022 414 mg/L 07/21/2022 414 mg/L 07/27/2022 Riport #:: 2022-13097 Page 1 of 12 Environmental Chemists, Inc. envirochem 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL 8 CONSULTING CHEMISTS infoCo�environmenrtichemists.com Wood -AMEC Revised Report: Aug 02, 2022 5710 Oleander Drive , Suite 110 Original Report Date. Jul 29, 2022 Wilmington NC 28405 Report #: 2022-13097 Attention: Ben Moore Customer ID: 11070019 Project ID: Bakelite Acme CLRS Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-31844A Site: WWMW-01 7/13/2022 9:45 AM Water Client Test Method Results Date Analyzed 1, 1, 1,2-Tetrachloroethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1, 1, 1 -Trichloroethane SW 846 Method 6260D/5030B <1 pg/L 07/18/2022 1,1,2,2-Tetrachloroethane SW 846 Method 8260D15030B <1.0 pg/L 07/18/2022 1,1,2-Trichloroethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,1-Dichloroethane SW 846 Method 826OD15030B <1 pg/L 07/18/2022 1,1-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1, 1 -Dichloropropene SW 846 Method 6260D/5030B <1 pg/L 07/18/2022 1,2,3-Trichlorobenzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 1,2,3-Trichloropropane SW 846 Method 82600/5030B <1.0 pg/L 07/18/2022 1,2,4-Trichlorobenzene SW 846 Method 8260D15030B <1.0 pg/L 07/18/2022 1,2,4-Trimethylbenzene SW 846 Method 8260D/50308 <1.0 pg/L 07/18/2022 1,2-Dibromo-3-Chloropropane SW 846 Method 8260D15030B <1.0 pg/L 07/18/2022 1,2-Dibromoethane SW 846 Method 8260D15030B <0.5 pg/L 07/18/2022 1,2-Dichlorobenzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 1,2-Dichloroethane SW 846 Method 826OD150308 <1 pg/L 07/18/2022 1,2-Dichloropropane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,3,5-Trimethylbenzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 1, 3-Dichlorobenzene SW 846 Method 6260D/5030B <1.0 pg/L 07/18/2022 1,3-Dichloropropane SW 646 Method 8260D/5030B <1 pg/L 07/1812022 1,4-Dichlorobenzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 2,2-Dichloropropane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 2-Chlorotoluene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 2-Hexanone SW 646 Method 8260D15030B <5 pg/L 07/18/2022 4-Chlorotoluene SW 846 Method 8260D/50308 <1.0 pg/L 07/18/2022 Acetone SW 846 Method 8260D/5030B <5 pg/L 07/18/2022 Acrolein SW 846 Method 826OD15030B <10 pg/L 07/18/2022 Report # 2022-13097 Page 2 of 12 row", Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL & CONSULTING CHEMISTS info/a emvironmentalchemists.com Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS Acrylonitrile SW 846 Method 8260D/5030B <10 pg/L 07/18/2022 Benzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromobenzene SW 846 Method 826OD150308 <1.0 pg/L 07/18/2022 Bromochloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromodichloromethane SW 846 Method 8260D15030B <1 pg/L 07/18/2022 Bromoform SW 846 Method 626OD15030B <1.0 pg/L 07/18/2022 Bromomethane SW 846 Method 826OD15030B <1 pg/L 07/18l2022 Carbon Disulfide SW 846 Method 8260D/5030B 44.3 pg/L 07/18/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Chlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Chloroethane SW 846 Method8260D/5030B <1pg/L 07/18/2022 Chloroform SW 846 Method 8260D150308 <1 p9/L 07/18/2022 Chloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 cis- 1,2-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 cis-1,3-Dichloropropene SW 846 Method 8260D/50308 <1 pg/L 07/18/2022 Dibromochloromethane SW 846 Method 8260D15030B <0.5 pg/L 07/18/2022 Dibromomethane SW 846 Method 826OD15030B <1 pg/L. 07/18/2022 Dichlorodifluoromethane SW 846 Method 8260D/50308 <1 pg/L 07/18/2022 Ethylbenzene SW 846 Method 6260D/5030B <0.5 pg/L 07/18/2022 Hexachlorobutadiene SW 846 Method 826oD/50308 <1.0 pg/L 07/18/2022 1PE SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Isopropylbenzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 M+P Xylene SW 846 Method 8260D/50308 <2 pg/L 07/18/2022 MEK SW 846 Method 8260D/5030B <5 pg/L 07/18/2022 Methylene chloride SW 846 Method 826OD15030B <1 pg/L 07/18/2022 MIBK SW 846 Method 8260D/5030B <5 pg/L 07/18/2022 MTBE SW 846 Method 8260D/50308 <1 pg/L 07/18/2022 Naphthalene SW 846 Method 8260D15030B 5.58 pg/L 07/18/2022 ri-Butylbenzene SW 846 Method 826OD15030B <1.0 pg/L 07/18/2022 Report # 2022-13097 Page 3 of 12 :enviroehem ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax infb47 environmentalchemists.com Wood -AMEC 5710 Oleander Drive, Suite 110 Wilmington NC 28405 Attention: Ben Moore Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS n-Propylbenzene SW 846 Method 8260D/50308 <1.0 pg/L 07/18/2022 ortho-Xylene SW 846 Method 826OD15030B <1.0 pg/L 07/18/2022 p-lsopropyltoluene SW 646 Method 6260D/5030B <1.0 pg/L 07/18/2022 sec-Butylbenzene SW 846 Method 8260D/50308 <1.0 pg/L 07/18/2022 Styrene SW 846 Method 8260D/5030B <1.0 pg1L 07/18/2022 tert- B utyl benzene SW 846 Method 8260D/5030B <1.0 pg/L 07/18/2022 Tetrachloroethene SW 846 Method 8260015030E <1 pg/L 07/18/2022 Toluene SW 846 Method 6260D/50308 <1 pg/L 07/18/2022 Trans-1,2-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Trans-1,3-dichloropropene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Trichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Trichlorofluoromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Vinyl chloride SW 846 Method 8260D150306 <1 pg/L 07/18/2022 Report 9 2-322-13397 Page 4 of 12 ANALYTICAL & CONSULTING CHEMISTS Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Lab ID Sample ID: 22-31845 Site: WWMW-02 Test Iron Manganese Sulfate Ammonia Nitrogen Total Dissolved Solids (TDS) Total Phosphorus Sulfide Total Organic Carbon (TOC) Formaldehyde Nitrate Nitrogen (Calc) Nitrite Nitrogen Nitrate+Nitrite-Nitrogen Nitrate Nitrogen Total Nitrogen (Calc) Total Kjeldahl Nitrogen (TKN) Total Nitrogen Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 - 910.392.0223 Lab - 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 - 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 - 910.347.5843 Lab/Fax info(denvironmentalchemists.com Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS Collect Date/Time Matrix 7/13/2022 10:00 AM Water Method EPA 200 7, Rev 4 4, 1994 (Dissolved) EPA 200.7, Rev 4 4, 1994 (Dissolved) EPA 300 0, Rev 2 1, 1993 EPA 350,1, Rev 2 0, 1993 SM 2540 C-2015 SM 4500 P (F-H)-2011 SM 4500 S D-2011 SM 5310 B-2014 SW846 8315A EPA 353.2, Rev. 2.0, 1993 EPA 353.2, Rev. 2.0, 1993 Subtraction Method EPA 351.2, Rev. 2 0, 1993 Total Nitrogen Results Sampled by Client Date Analyzed 0.031 mg/L 07/19/2022 0.342 mg/L 07/19/2022 190 mg/L 07/19/2022 78.3 mg/L 07/20/2022 367 mg/L 07/14/2022 1.40 mg/L 07/21/2022 <0.05 mg/L 07/22/2022 7.5 mg/L 07/13/2022 <50 pg/L 07/15/2022 0.51 mg/L 07/14/2022 20.1 mg/L 07/19/2022 19.5 mg/L 07/27/2022 77.8 mg/L 07/21 /2022 97.9 mg/L 07/27/2022 R--port» 2022-13097 Page 5 of 12 F0000— Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL 8 CONSULTING CHEMISTS infora environmentalchemists.com Wood -AMEC Revised Report: Aug 02, 2022 5710 Oleander Drive , Suite 110 Original Report Date: Jul 29, 2022 Wilmington NC 28405 Report #: 2022-13097 Attention: Ben Moore Customer ID: 11070019 Project ID: Bakelite Acme CLRS Lab ID Sample ID: 22-31845A Site: WWMW-02 Test Collect Date/Time 7/13/2022 10:00 AM Method Matrix Sampled by Water Client Results Date Analyzed 1, 1, 1,2-Tetrachloroethane SW 846 Method 8260D15030B <0.5 pg/L 07/18/2022 1, 1, 1 -Trichloroethane SW 846 Method 8260D/50306 <0.5 pg/L 07/18/2022 1,1,2,2-Tetrachloroethane SW 646 Method 8260D/50308 <0.5 pg/L 07/18/2022 1,1,2-Trichloroethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,1-Dichloroethane SW 646 Method 826OD15030B <0.5 pg/L 07/18/2022 1, 1 -Dichloroethene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1, 1 -Dichloropropene SW 846 Method 8260D150308 <0.5 pg/L 07/18/2022 1,2,3-Trichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2, 3-Trichloropropane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2,4-Trichlorobenzene SW 846 Method 8260D/50308 <0.5 pg/L 07/18/2022 1,2,4-Trimethylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2-Dibromo-3-Chloropropane SW 846 Method 82600/5030B <0.5 pg/L 07/18/2022 1,2-Dibromoethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2-Dichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2-Dichloroethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,2-Dichloroprop2ne SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,3,5-Trimethylbenzene SW 846 Method 8260D/50308 <0.5 pg/L 07/18/2022 1,3-Dichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,3-Dichloropropane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 1,4-Dichlorobenzene SW 846 Method 826OD150308 <0.5 pg/L 07/18/2022 2,2-Dichloropropane SW 845 Method 8260D/50308 <0.5 pg/L 07/18/2022 2-Chlorotoluene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 2-Hexanone SW 846 Method 8260D/50308 <2.5 pg/L 07/18/2022 4-Chlorotoluene SW 846 Method 82600/5030B <0.5 pg/L 07/18/2022 Acetone SW 846 Method 8260D/5030B <2.5 pg/L 07/18/2022 Acrolein SW 846 Method 8260D/50306 <5 pg/L 07/18/2022 Report # 2022-13097 Page 6 or 12 Environmental Chemists, Inc. ,,,�nvirochem 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4 224 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL 8 CONSULTING CHEMISTS info(genvironmentalchemists.com Wood -AMEC Revised Report: Aug 02, 2022 5710 Oleander Drive , Suite 110 Original Report Date: Jul 29, 2022 Wilmington NC 28405 Report #: 2022-13097 Attention: Ben Moore Customer ID: 11070019 Project ID: Bakelite Acme CLRS Acrylonitrile SW 846 Method 826OD15030B <5 pg/L 07/18/2022 Benzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Bromobenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Bromochloromethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Bromodichloromethane SW 846 Method 826OD150308 <0.5 pg/L 07/18/2022 Bromoform SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Bromomethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Carbon Disulfide SW 846 Method 826DD15030B <0.5 pg/L 07/18/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Chlorobenzene SW 846 Method 8260D/50308 <0.5 pg/L 07/18/2022 Chloroethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Chloroform SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Chloromethane SW 846 Method 82600/5030B <0.5 pg/L 07/18/2022 cis-1,2-Dichloroethene SW 846 Method 8260D/50308 <0.5 pg/L 07/18/2022 cis-1,3-Dichloropropene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Dibromochloromethane SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Dibromomethane SW 846 Method 826OD/5030B <0.5 pg/L 07/18/2022 Dichlorodifluoromethane SW 845 Method 8260D/5030B <0.5 pg/L 07/18/2022 Ethylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Hexachlorobutadiene SW 846 Method 826OD15030B <0.5 pg/L 07/18/2022 IPE SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Isopropylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 M+P Xylene SW 846 Method 8260D15030B <1.0 pg/L 07/18/2022 MEK SW 846 Method 826OD15030B <2.5 pg/L 07/18/2022 Methylene chloride SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 MI BK SW 846 Method 8260D/5030B <2.5 pg/L 07/18/2022 MTBE SW 846 Method 82600/5030B <0.5 pg/L 07/18/2022 Naphthalene SW 845 Method 8260D/50308 <0.5 pg/L 07/18/2022 n-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Report # 2022-13097 Page 7 of 12 envirochem ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax info,er environmentalchemists.com Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS n-Propylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 ortho-Xylene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 p-Isopropyltoluene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 sec-Butylbenzene SW 846 Method 8260D15030B <0.5 pg/L 07/18/2022 Styrene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 tert-Butyl benzene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Tetra chloroethene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Toluene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Trans-1,2-Dichloroethene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Trans-1,3-dichloropropene SW 846 Method 8260D/5030B <0.5 pg/L 07/18/2022 Trichloroethene SW 846 Method 6260D/5030B <0.5 pg/L 07/18/2022 Trichlorofluoromethane SW 846 Method 8260D/50306 <0.5 pg/L 07/18/2022 Vinyl chloride SW 846 Method 8260D/50308 <0.5 pg/L 07/18/2022 - - Report #:: 2022-13097 Page 8 of 12 ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax info(, environmentalchemists.com Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-31846 Site: WWMW-03 7/13/2022 10:15 AM Water Client Test Method Results Date Analyzed Iron EPA 200.7, Rev. 4.4, 1994 (Dissolved) 1.08 mg/L 07/19/2022 Manganese EPA 200.7, Rev. 4.4, 1994 (Dissolved) 0.127 mg/L 07/19/2022 Sulfate EPA 300.0, Rev. 2.1, 1993 40 mg/L 07/20/2022 Ammonia Nitrogen EPA 3501, Rev. 2.0, 1993 130mg/L 07/20/2022 Total Dissolved Solids (TDS) SM 2540 c-2015 459 mg/L 07/14/2022 Total Phosphorus SM 4500 P (F-H)-2011 9.48 mg/L 07/21 /2022 Sulfide SM 4500 S 0-2011 0.19 mg/L 07/22/2022 Total Organic Carbon (TOC) SM 5310 8-2014 37.6 mg/L 07/13/2022 Formaldehyde SW846 8315A 59.0 pg/L 07/15/2022 Nitrate Nitrogen (Calc) Nitrite Nitrogen EPA 353.2, Rev. 2.0, 1993 < 0.02 mg/L 07/14/2022 Nitrate+Nitrite-Nitrogen EPA 353.2, Rev. 2.0, 1993 0.12 mg/L 07/19/2022 Nitrate Nitrogen Subtraction Method 0.12 mg/L 07/27/2022 Total Nitrogen (Calc) Total Kjeldahl Nitrogen (TKN) EPA 351.2, Rev. 2.0, 1993 175 mg/L 07/21/2022 Total Nitrogen Total Nitrogen 175 mg/L 07/27/2022 Report #.: 2022-13097 Page 9 of 12 [envi7rochem ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax infourenvironmentalchemists.com Not part of permit monitoring requirements Wood -AMEC 5710 Oleander Drive , Suite 110 Wilmington NC 28405 Attention: Ben Moore Revised Report: Aug 02, 2022 Original Report Date: Jul 29, 2022 Report #: 2022-13097 Customer ID: 11070019 Project ID: Bakelite Acme CLRS Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-31846A Site: WWMW-03 7/13/2022 10:15 AM Water Client Test Method Results Date Analyzed 1,1,1,2-Tetrachloroethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,1,1-Trichloroethane SW 846 Method 826OD150306 <1 pg/L 07/18/2022 1,1,2,2-Tetrachloroethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,1,2-Trichloroethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1, 1 -Dichloroethane SW 846 Method 82600/5030B <1 pg/L 07/18/2022 1,1-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1, 1 -Dichloropropene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2,3-Trichlorobenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2,3-Trichloropropane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2,4-Trichlorobenzene SW 846 Method 82600/5030B <1 pg/L 07/18/2022 1,2,4-Trimethylbenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2-Dibromo-3-Chloropropane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2-Dibromoethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2-Dichlorobenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,2-Dichloroethane SW 846 Method 826OD15030B <1 pg/L 07/18/2022 1,2-Dichloropropane SW 846 Method 8260D15030B <1 pg/L 07/18/2022 1,3,5-Trimethylbenzene SW 846 Method 8260D15030B <1 pg/L 07/18/2022 1,3-Dichlorobenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 1,3-Dichloropropane SW 846 Method 8260D15030B <1 pg/L 07/18/2022 1,4-Dichlorobenzene SW 846 Method 826OD15030B <1 pg/L 07/18/2022 2,2-Dichloropropane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 2-Chlorotoluene SW 846 Method 8260D/50308 <1 pg/L 07/18/2022 2-Hexanone SW 846 Method 8260D/5030B <5 pg/L 07/18/2022 4-Chlorotoluene SW 846 Method 826OD150308 <1 pg/L 07/18/2022 Acetone SW 846 Method 8260D15030B 110 pg/L 07/18/2022 Acrolein SW 846 Method 825OD/5030B <10 pg/L 07/18/2022 Report # 2022-13097 Page 10 of 12 :enviroehem ANALYTICAL 8 CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax info(u environmentalchemists.com Not part of permit monitoring requirements Wood -AMEC Revised Report: Aug 02, 2022 5710 Oleander Drive , Suite 110 Original Report Date: Jul 29, 2022 Wilmington NC 28405 Report #: 2022-13097 Attention: Ben Moore Customer ID: 11070019 Project ID: Bakelite Acme CLRS Acrylonitrile SW 846 Method 8260D/5030B <10 pg/L 07/18/2022 Benzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromobenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromochloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromodichloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromoform SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Bromomethane SW 846 Method 8260D15030B <1 pg/L 07/18/2022 Carbon Disulfide SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Chlorobenzene SW 846 Method 8260D/50306 <1 pg/L 07/18/2022 Chloroethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Chloroform SW 646 Method 8260D/5030B <1 pg/L 07/18/2022 Chloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 cis-1,2-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 cis- 1,3-Dichloropropene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Dibromochloromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Dibromomethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Dichiorodifluoromethane SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Ethylbenzene SW 846 Method 8260D15030B 2.50 pg/L 07/18/2022 Hexachlorobutadiene SW 846 Method B260D/5030B <1 pg/L 07/18/2022 IPE SW 846 Method 8260D15030B <1 pg/L 07/18/2022 Isopropylbenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 M+P Xylene SW 846 Method 8260D/5030B <2 pg/L 07/18/2022 MEK SW 846 Method 8260D/50306 <5 pg/L 07/18/2022 Methylene chloride SW 846 Method 8260D15030B <1 pg/L 07/18/2022 MIBK SW 846 Method 8260D/5030B <5 pg/L 07/18/2022 MTBE SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Naphthalene SW 846 Method 826OD15030B <1 pg/L 07/18/2022 n-Butylbenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Report C 2022-13097 Page 11 of 12 Environmental Chemists, Inc. envirochem J6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax sM 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL & CONSULTING CHEMISTS infora environmentalchemists.com Not part of permit monitoring requirements Wood -AMEC Revised Report: Aug 02, 2022 5710 Oleander Drive , Suite 110 Original Report Date: Jul 29, 2022 Wilmington NC 28405 Report #: 2022-13097 Attention: Ben Moore Customer ID: 11070019 Project ID: Bakelite Acme CLRS n-Propylbenzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 ortho-Xylene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 p-Isopropyltoluene SW 846 Method 8260D/50308 327 pg/L 07/18/2022 sec-Butylbenzene SW 846 Method 8260D/50306 <1 pg/L 07/18/2022 Styrene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 tert-Butyl benzene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Tetrachloroethene SW 846 Method 826OD15030B <1 pg/L 07/18/2022 Toluene SW 846 Method 8260D15030B 1.08 pg/L 07/18/2022 Trans-1,2-Dichloroethene SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Trans-1,3-dichloropropene SW 846 Method 826OD150308 <1 pg/L 07/18/2022 Trichloroethene SW 846 Method 8260D/50308 <1 pg/L 07/18/2022 Trichlorofluoromethane SW 846 Method 8260D/5030B <1 Ng/L 07/18/2022 Vinyl chloride SW 846 Method 8260D/5030B <1 pg/L 07/18/2022 Comment: Sample # 22-31844 and 22-31846- Method 8260D reporting limit elevated due to matrix interference. Revised to include carbon disulfide b 8260. Reviewed by: Report #:: 2022-13097 Page 12 of 12