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WQ0024003_Monitoring - 11-2022_20221228
Monitoring Report Submittal Permit Number #* Name of Facility:* Month: * November Report Information Type * GW-59 WQ0024003 Harvey Point Defense Testing Facility WWTP NDMR, NDAR-1, NDAR-2, NDMLR Confirmation Email Address:* Name of Submitter: * Signature: Date of submittal: Initial Review Year:* 2022 Upload Document* Scan GW-59 Nov. 2022.pdf 5.13MB PDF Only Scan NDMR Nov. 2022.pdf 1.92MB PDF Only Please upload one PDF containing all applicable monitoring reports (i.e., NDMR, NDAR-7, NDAR-2, NDMLR, GW-59). dustin.b.combs@boeing.com Dustin B. Combs oarff 601AIWI�v 12/28/2022 This will be filled in automatically Reviewer: Gerald, Wanda Is the project number correct?* WQ0024003 Is the monitoring report accepted?* Yes No Regional Office* Washington Reviewer: _anonymous Review Date: 1/18/2023 N C1 co Q. 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Iiwaad It OA .LHOd32I 213MVI'MN03 WS-M9 envirochem sn+ ANALYTICAL & CONSULTING CHEMISTS Harvey Point Defense Testing Activity 2835 Harvey Point Road Hertford NC 27944 Attention: Dustin Combs Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 . 910.392.0223 Lab e 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(ry environmentalcliemists.com Date of Report: Dec 09, 2022 Customer PO #: Customer ID: 10030007 Report #: 2022-23134 Project ID: Monitoring Wells Lab ID Sample lD: 22-56881 Site: MW-1 Test Collect Date/Time 11/18/2022 8:00 AM Method Matrix Sampled by Water Dustin Combs Results Date Analyzed Ammonia Nitrogen EPA 35o.t. Rev. 2.0,1993 2.1 mg/L 12/01/2022 Total Dissolved Solids (TDS) SM 2540 C-2015 306 mg/L 11 /19/2022 Total Phosphorus SM 4500 P {F-H)-2011 1.18 mg/L 12/02/2022 Total Organic Carbon (TOC) SM 5310 B-2014 18.2 mg/L 11/21/2022 Fecal Coliform SM 9222 D-2015 MF <1 Colonies/100ml- 11/18/2022 Chloride SM4500 CI E-2011 42 mg/L 11/2112022 1, 1, 1,2-Tetrachloroethane SW 646 Method 6260DI5030B <0.5 pg/L 11/29/2022 1,1,1-Trichloroethane SW 846 Method 8260 15030B <0.5 pg/L 11/29/2022 1,1,2,2-Tetrachloroethane SW 846 Method8260DI5030B <0.5pg/L 11/29/2022 1,1,2-Trichloroethane SW 646 Method 8260DI5030B <0.5 pg/L 11/2912022 1 ,1-Dichloroethane SW 846 Method 8260D/6030B <0,5 p9/L 11/29/2022 1,1-Dichloroethene SW 646 Method 826oDr50308 <0.5 pg/L 11/29/2022 1,1-Dichloropropene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,2,3-Trichlorobenzene SW 846 Method 8260DI5030B <0.5 pg/L 11/29/2022 1,2,3-Trichloropropane SW 846 Method 82601)15=8 <0.5 pg/L 11/29/2022 1,2,4-Trichlorobenzene SW 846 Method 826OD/5030B <0.5 pg/L 11/29/2022 1,2,4-Trimethylbenzene SW 846 Method 826OD160308 <0 5 pg/L 11/29/2022 1,2-Dibromo-3-Chloropropane SW B46 Method e2506moB <0.5pg/L 11/29/2022 1,2-Dibromoethane SW 646 Method 82600150308 <0.5 pg/L 11/29/2022 1,2-Dichlorobenzene SW 846 Method 8260DI5030B <0.5 pg/L 11/29/2022 1,2-Dichloroethane SW 846 Method $260D150306 <0.5 pg/L 11/29/2022 1 ,2-Dichloropropane SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,3,5-Trimethylbenzene SW 846 Method 826ow5mm <0.5 pg/L 11/29/2022 1,3-Dichlorobenzene SW 846 Method 8266DI50308 <0.5 pg/L 11/2912022 1,3-Dichloropropane SW 846 Method 826c(N50308 <0.5 pg/L 11/29/2022 1,4-Dichlorobenzene SW 846 Method 826oD15030B <0.5 pg/L 11/29/2022 Report #.. 2022-23134 P- I M o r' -7"1 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 sM 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax ANALYTICAL & CONSULTING CHEMISTS infoarenvironmentalchernists.corn Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO M Hertford NC 27944 Customer ID: 10030007 Attention: Dustin Combs Report M 2022-23134 Project ID: Monitoring Wells 2,2-Dichloropropane SW 846 Method 826OD1503013 <0.5 pg/L 11/2912022 2-Chlorotoluene SW 646 Method 8260D15030B <0.5 pg/L 11/29/2022 4-Chlorotoluene SW 646 Method 8260D150305 <0.5 pg/L 11/29/2022 Benzene SW 846 Method 8260015030E <0.5 pg/L 1 1129/2022 Bromobenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Bromochloromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Bromodichloromethane SW B46 Method 826OD15030B <0.5 pg/L 11/29/2022 Bromoform SW 646 Method 82600/50306 <0.5 pg/L 11/29/2022 Bromomethane SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Carbon tetrachloride SW B46 Method 8260D/5030B <0.5 pg/L 11/29/2022 Chlorobenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Chloroethane SW 846 Method 6260DI5030B <0.5 pg/L 11/29/2022 Chloroform SW 846 Method 82SOD15030B <0.5 pg/L 11/29/2022 Chloromethane SW B46 Method 82BOD15030B <0.5 pg/L 11/29/2022 cis-1,2-Dichloroethene SW 846 Method 8260D15030B <0 5 pg/L 11/29/2022 cis-1,3-Dichloropropene SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Dibromochloromethane sw 846 Method 828OD15030B <0.5 pg/L 11/29/2022 Dibromomethane SW B46 Method 8260D15030B <0.5 pg/L 11/29/2022 Dichlorodifluoromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Ethylbenzene SW 646 Method 826OD150308 <0.5 pg/L 11/29/2022 Hexachlorobutadiene SW 846 Method 82800/50306 <0.5 pg/L 11/29/2022 lsopropylbenzene SW 846 Method B260D/5030B <0.5 pg/L 11/29/2022 M+P Xylene SW 846 Method 82600/5030B <1.0 pg/L 11/29/2022 Methylene chloride SW 846 Method 826nD15030B <0.5 pg/L 11/2912022 Naphthalene SW B46 Method 825OD15030B <0.5 pg/L 11/29/2022 n-Butylbenzene SW 646 Method 8260D15030B <0.5 pg/L 11129/2022 n-Propylbenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 ortho-Xylene SW 846 Method 8260DIS030B <0.5 pg/L 11/29/2022 p-lsopropyltoluene SW 846 Method 826001503013 <0_5 pg/L 11/2912022 sec-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Report #:: 2022-23134 Pace 2 of 9 Environmental. Chemists, Inc. su ANALYTICAL 8 CONSULTING CHEMISTS Harvey Point Defense Testing Activity 2835 Harvey Point Road Hertford NC 27944 Attention: Dustin Combs 6602 Windmill Way, Wilmington, NC 28405 . 910.392.0223 Lab . 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 . 232.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 . 910.347.5843 Lab/Fax inf6a env ironmentalchemists.corn Date of Report: Dec 09, 2022 Customer PO #: Customer ID: 10030007 Report #: 2022-23134 Project ID: Monitoring Wells Styrene SW 846 Method 826oD/5030B <0,5 pg/L 11/29/2022 tert-Butylbenzene SW B46 Method 8260D15030B <0,5 pg/L 11/29/2022 Tetrachloroethene SW 846 Method 8260D/50308 <0.5 pg/L 11/29/2022 Toluene SW a46 Method 8260M5030B <0.5 pg/L 11/29/2022 Trans- 1,2-Dichloroethene SW 846 Method 8260D150308 <0.5 pg/L 11/29/2022 Trans- 1, 3-d ich loroprope ne SW 846 Method 8260D/5030B <0.5 Pg/L 11/29/2022 Trichloroethene SW 848 Method 8260D/5030B <0,5 pg/L 11/29/2022 Trich loroflu o ro methane SW 846 Method 826OD15o30B <0.5 pg/L 11/29/2022 Vinyl chloride SW a46 Method 82501)15030B <0.5 pg/L 11/29/2022 Nitrate Nitrogen (Cale) Nitrite Nitrogen EPA 353.2, Rev. 2.0, 1993 0.20 mg/L 11/18/2022 Nitrate+Nitrite-Nitrogen EPA 353.2, Rev. 2.0, 1993 0.30 mg/L 11/23/2022 Nitrate Nitrogen Subtraction Method 0.10 mg/L 12/08/2022 Report #.' 2022-?_3t34 Paae 3 of 9 ■ ; ■ ANALYTICAL <4 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 environmentalchemists.com Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO #: Hertford NC 27944 Customer ID: 10030007 Attention: Dustin Combs Report #: 2022-23134 Project ID: Monitoring Wells Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-56882 Site: MW-2 11/18/2022 8:20 AM Water Dustin Combs Test Method Results Date Analyzed Ammonia Nitrogen EPA 350.1, Rev. 2.0. 1993 2.4 mg/L 12/01/2022 Total Dissolved Solids (TDS) SM 2540 C-2015 413 mg/L 11 /19/2022 Total Phosphorus SM 4500 P (F-H)-2011 0.75 mg/L 12/02/2022 Total Organic Carbon (TOC) SM 5310 B-2014 14.4 mg/L 11/21/2022 Fecal Coliform SM 9222 D-2015 MF <1 Colonies/100mL 11/1812022 Chloride 5M4500 CI E-2011 165 mg/L 11/21/2022 1, 1, 1,2-Tetrachloroethane SW 846 Method 8260D150305 <0.5 pg/L 11/29/2022 1,1,1-Trish loroethane SW 846 Method 626OD/50308 <0.5 pg/L 11 /2912022 1,1, 2,2-Tetrachloroethane SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,1,2-Tdchloroethane SW 846 Method 82BOD150308 <0.5 pg/L 11/29/2022 1,1-Dichioroethane SW 846 Method 826OD150308 <0.5 pg/L 11/29/2022 1,1-Dichloroethene 5W 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,1-Dichloropropene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 1,2,3-Trichlorobenzene SW 846 Method 8260D150308 <0.5 pg/L 11/29/2022 1,2,3-Trichloropropane SW 846 Method 8260015030E <0.5 pg/L 11/2912022 1,2,4-Trichlorobenzene SW 846 Method 8260D15030B <0,5 pg/L 11/29/2022 1,2,4-Trimethylbenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 1,2-Dibromo-3-Chloropropane SW 846 Method BMD15030B <0.5 pg/L 11/29/2022 1,2-❑ibromoethane SW 846 Method 826UD15030B <0.5 pg1L 11/29/2022 1,2-Dichlorobenzene SW 846 Method 8260D15030B <0,5 pg/L 11/29/2022 1,2-Dichloroethane SW a46 Method 82BOD15030B <0.5 pg/L 11/29/2022 1,2-Dichloropropane SW 846 Method 8260015030B <0.5 pg/L 11 /29/2022 1,3,5-Trimethylbenzene SW 846 Method 826oDr5030e <0.5 pg/L 11/2912022 1,3-Dichlorobenzene SW 846 Method 8260D15030B <0.5 pg/L 11/2912022 1,3-Dichloropropane SW B46 Method 826OD15030B <Q.5 pg1 11/29/2022 1,4-Dichlorobenzene SW 846 Method 8260D15030B <0.5 pg1L 11/29/2022 Report tf 2022-23134 Paoe 4 of 9 • ' • 5M 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 6 910,347,5843 Lab/Fax info@envi ron m e n t a Icherti i st s.com Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO M Hertford NC 27944 Customer ID: 10030007 Attention: Dustin Combs Report M 2022-23134 Project ID: Monitoring Wells 2,2-Dich loropro pane SW 846 Method 8260D150308 <0.5 pg/L 11/29/2022 2-Chlorotoluene SW 846 Method 8260D/5030B <0,5 pg/L 11/29/2022 4-Chlorotoluene SW B46 Method B260D15030B <0.5 pg/L 11 /2912022 Benzene SW B46 Method 826OD15030B <0.5 pg/L 11129/2022 Bromobenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 Bromochloromethane SW 846 Method 8260015030E <0.5 pg/L 11/29/2022 Bromodichloromethane SW 846 Method 8260015030B <0,5 pg/L 11/29/2022 Bromoform SW 846 Method 8260D15030B <A.5 pg/L 11/29/2022 Bromomethane SW 646 Method 826oD/5030B <0.5 pg/L 11/29/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 Chlorobenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 Chloroethane SW 846 Method 8260W50306 <0.5 pg1L 11 /29/2022 Chloroform SW 846 Method 8260150308 0. 58 pg/L 11/29/2022 Chloromethane SW 846 Method 826aD150308 <0.5 pg/L 11/29/2022 cis-1,2-Dichloroethene SW 846 Method 8260DIS0303 <0,5 pg/L 11/29/2022 cis- 1,3-Dichloropropene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Dibromochloromethane SW 846 Method 826OD150308 <0.5 pg/L 11/29/2022 Dibromomethane SW 846 Method 8260D/50308 <0.5 pg/L 11/29/2022 Dichlorodifluoromethane SW 846 Method 8260015030E <0.5 pg/L 11/29/2022 Ethylbenzene SW 846 Method 82601503013 <0.5 pg/L 11/29/2022 Hexachlorobutadiene SW 846 Method 8260M503oB <0.5 pg/L 11/29/2022 lsopropylbenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 M+P Xylene SW 846 Method 8260D150308 <1.0 pg/L 11/29/2022 Methylene chloride SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Naphthalene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 n-Butylbenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 n-Propylbenzene SW B46 Method 82BOD/50308 <0.5 pg/L 11/29/2022 ortho-Xylene SW B46 Method 8260D15030B <0.5 pg/L 11 /29/2022 p-Isopropyltoluene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 sec-BUtylbenzene SW 846 Method 826OD150308 <0.5 pg/L 11/29/2022 Report #.. 2022-23134 Paae 5 of 9 ropp'—.- --"" 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 . 910.3475843 Lab/Fax ANALYTICAL & CONSULTING CHEMISTS info@environmentatchemists.com Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO #: Hertford NC 27944 Customer ID: 10030007 Attention: Dustin Combs Report #: 2022-23134 Project ID: Monitoring Wells Styrene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 tent-Butylbenzene SW W Method 8280015030B <0.5 pg/L 11/29/2022 Tetrachloroethene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Toluene SW 845 Method 826OD150306 <0.5 pg/L 11/29/2022 Trans-1,2-Dichloroethene SW 846 Method 8260D15030B <0.5 pg/L 11/2912022 Trans-1 ,3-dichloropropene SW 846 Method 82600/5030B <0_5 pg/L 11/29/2022 Trichloroethene SW 846 Method 8280D/5030B <0.5 pg/L 11/29/2022 Trichlorofluoromethane SW 846 Method 8260D/50306 <0.5 pg/L 11/29/2022 Vinyl chloride SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Nitrate Nitrogen (Calc) Nitrite Nitrogen EPA353.2, Rev. 2.0, 1993 0.04 mg/L 11/18/2022 Nitrate+ N itrite-Nitrogen EPA 353.2, Rev. 2 0, 1093 0.37 mg/L 11 /23/2022 Nitrate Nitrogen Subtraction Method 0.33 mg/L 12/08/2022 ReportC 2022-23134 P� p A of 0 envirochem siu ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 2S405 - 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 a environmentalchemists.com Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO #: Hertford NC 27944 Customer ID: 10030007 Attention: Dustin Combs Report #: 2022-23134 Project ID: Monitoring Wells Lab ID Sample ID: Collect Date/Time Matrix Samples! by 22-56883 Site: MW-3 11/18/2022 8:45 AM Water Dustin Combs Test Method Results Date Analyzed Ammonia Nitrogen EPA 350.1. Rev, 2.0, 1993 0.7 mg/L 12/01/2022 Total Dissolved Solids (TDS) SM 2540 C-2015 266 mg/L 11/19/2022 Total Phosphorus SM 4500 P {F-H}-2011 0.73 mg/L 12102/2022 Total Organic Carbon (TOG) SM 5310 B-2014 12.4 mg/L 11/21/2022 Fecal Coliform SM 9222 D-2015 MF <1 Colonies/100ml- 11 /18/2022 Chloride SM4500 CI E-2011 8 mg/L 11/21/2022 1,1,1, 2-Tetrachloroethane SW 846 Method 8260D15030E <0.5 pg/L 11 /29/2022 1, 1, 1 -Trich loroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/29/2022 1,1,2,2-Tetrachloroethane SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,1,2-Trichloroethane SW 846 Method 8260D15030B <0.5 pg/L 11 /2912022 1, 1 -Dichloroethane SW 846 Method 62600/50308 <0.5 pg/L 11 /29/2022 1,1-Diehloroethene SW B46 Method 826oD/50309 <0.5 pg/L 11/29/2022 1,1-Dichloropropene SW B46 Method 82600150308 <0.5 pg/L 11/29/2022 1, 2, 3-Tri ch lorobenzene SW 846 Method 826OD15030H <0.5 pg/L 11/29/2022 1,2,3-Trichloropropane SW 848 Method 8260015030B <0.5 pg/L 11/2912022 1,2,4-Trichlorobenzene SW 846 Method 826OD15030B <0.5pg/L 11/29/2022 1,2,4-Trimethylbenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 1,2-Dibromo-3-Chforopropane SW 846 Method 8260D/50308 <0.5 pg/L 11/29/2022 1,2-Dibromoethane SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 1,2-Dichlorobenzene SW 845 Method 826OD15030B <0.5 pg/L 11/29/2022 1,2-Dichloroethane SW 846 Method 8260015030E <0,5 pg/L 11/29/2022 1,2-Dichforopropane sW 846 Method 826OD/5030B <0.5 pg/L 11/29/2022 1,3,5-Trimethylbenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 1,3-Dichlorobenzene SW 846 Method 8260015030E <0.5 pg/L 11/29/2022 1, 3-Dichloropropane SW 846 Method 82601)15030B <0.5 pg/L 11/29/2022 1,4-Dichlorobenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Report # 2022-23134 Paoe 7 of 9 Environmental Chemists, Inc. envirochem SM ANALYTICAL & CONSULTING CHEMISTS 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:a environmentalchemists.com Harvey Point Defense Testing Activity Date of Report: Dec 09, 2022 2835 Harvey Point Road Customer PO M Hertford NC. 27944 Customer ID: 10030007 Attention: Dustin Combs Report #E: 2022-23134 Project ID: Monitoring Wells 2,2-Dichloropropane SW 846 Method 8260D150308 -- <0.5 pg/L 11/29/2022 2-Chlorotoluene SW 846 Method 82600/5030B <0,5 pg/L 11/29/2022 4-Chlorotoluene SW 846 Method 82600150306 <M pg/L 11/29/2022 Benzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 Bromobenzene SW 646 Method 826OD150306 <0.5 pg/L 11/29/2022 8 romochloro methane SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 Bromodichloromethane SW 846 Method 8260DI50306 <0.5 pg/L 11/29/2022 Bromoform Sw 846 Method 82600150308 <0.5 pg/L 11/29/2022 Bromomethane SW 846 Method 826OD150308 <0.5 pg/L 11/29/2022 Carbon tetrachloride sw s46 Method 826oD/50308 <0.5 pg/L 11/29/2022 Chlorobenzene Sw846 Method 8260015030E <0.5 pg/L 11/2912022 Chloroethane SW 846 Method 8260D15030B 9.16 pg/L 11/29/2022 Chloroform SW 846 Method 82600/5030B <0.5 pg/L 11/29/2022 Chloromethane SW 846 Method 8260D150308 <0.5 pg/L 11/29/2022 cis-1,2-Dichloroethene SW 846 Method 8260D15030B <0.5 pg/L 11/2912022 cis-1,3-Dichloropropene SW 846 Method 82600/50308 <0.5 pg/L 11/2912022 Dibromochloromethane SW 846 Method 8264D/5030B <0.5 pg/L 11/29/2022 Dibromomethane SW 846 Method 6260D/50308 <0.5 pg/L 1 1 /2912022 Dichlorodifluoromethane SW 846 Method MOD/50308 <0.5 pg/L 11/29/2022 Ethylbenzene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 Hexachlorobutadiene SW 846 Method 8260D/50308 <0.5 pg/L 11/29/2022 Isopropyibenzene SW 846 Method 8260D15030B <0.5 pg/L 11/29/2022 M+P Xylene SW 846 Method 826OD15030B <1.0 pg/L 11/29/2022 Methylene chloride SW 846 Method 8260D150308 <0.5 pg/L 11 /29/2022 Naphthalene SW 84B Method 9260D/6030B <0.5 pg/L 11/29/2022 n-Butylbenzene SW 846 Method 826OD15030B <0.5 pg/L 11 /29/2022 n-Propylbenzene SW 846 Method 8260D150306 <0.5 pg/L 11/29/2022 ortho-Xylene SW 846 Method 8260D/50308 <0.5 pg/L 11/29/2022 p-isopropyltoluene SW 846 Method B264D1503013 <0.5 pg/L 11/29/2022 sec -Butyl benzene SW 846 Method 826OD160308 <0.5 pg/L 11/29/2022 Report # 2022-23134 Paoe 8 of 9 rppw--. —,—Nmql SM ANALYTICAL & CONSULTING CHEMISTS Harvey Point Defense Testing Activity 2835 Harvey Point Road Hertford NC 27944 Attention: Dustin Combs 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 Date of Report: Dec 09, 2022 Customer PO M Customer ID: 10030007 Report #: 2022-23134 Project ID: Monitoring Wells Styrene SW 846 Method 826OD15030B <0.5 pg/L 11/29/2022 tert-Butyl benzene SW 846 Method 8260015030E <0.5 pg/L 11/29/2022 Tetrachloroethene SW 846 Method 826no150308 <0,5 pg/L 11/29/2022 Toluene SW 846 Method 82601315030B <0,5 pg/L 11/29/2022 Trans-1,2-Dichloroethene SW 846 Method 82BOD15030B <0.5 pg/L 11/29/2022 Trans- 1, 3-d ichloro propene SW 846 Method8260015030B <0.5pg/L 11/29/2022 Trichloroethene SW 846 Method 8260015030E <0.5 pg/L 11/29/2022 Trichlorofluoromethane SW 846 Method 8260015030E <0.5 Ng/L 11/29/2022 Vinyl chloride SW 846 Method 0260015030B <0,5 pg/L 11/29/2022 Nitrate Nitrogen (Calc) Nitrite Nitrogen EPA353.2, Rev. 2.0,1993 0.54 mg/L 11/18/202-2 Nitrate+Nitrite-Nitrogen EPA353.2, Rev 2.0, 1993 029mg/L 11/23/2022 Nitrate Nitrogen Subtraction Method <0.02 mg/L 12/08/2022 Comment: Headspace present in 56881 and 56883 Reviewed by: Report #:: 2022-23134 Pane 9 of 9