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WQ0034367_Monitoring - 11-2022_20221221 (3)
Monitoring Report Submittal Permit Number #* WQ0034367 Name of Facility:* Onslow Water & Sewer Authority - Northwest Regional Water Reclamation Facility Month: * November Year: * 2022 Report Information Type* Upload Document* GW-59 NWRWRF GW59 Nov 13.5MB 2022.pdf PDF Only Please upload one PDF containing all applicable monitoring reports (i.e., NDMR, NDAR-1, NDAR-2, NDMLR, GW-59). Confirmation Email Address: * sjones@onwasa.com Name of Submitter: * Sherry A Jones Signature: Date of submittal: 12/21/2022 This will be filled in automatically Initial Review Reviewer: Gerald, Wanda Is the project number correct?* WQ0034367 Is the monitoring report accepted?* - Yes NO Regional Office* Wilmington Reviewer: _anonymous Review Date: 1/10/2023 GW-59A COMPLIANCE RE, PORT FORM Permit#WQ0034367 (Srchtnit one each tnonitoring period ;vith Ol- 59 forms.) I Enter date monitoring results were due. ( Nov. 2022 ) Will this monitoring report (GW-59 and GW-59A) be'submitted after the established due date? YES NO 2 Was any required information missing on the GW-59 report forms? YES O 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. �A 3 Are any of the monitor wells in need of repair or maintenance (damaged casing, unlocked or missing cap, missing identification plate, area overgrown, etc.)? If the answer is "Yes ", contact the Regional Office for guidance. YES P07 4 Are any monitored constituents equal to or above the established standards? YES NO 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: 1 A 5 For the constituents identified in question 4 above, have standards been exceeded previously for the same constituent(s) in the same well(s) in the last two years? N/A YES NO 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, concentration(s) reported, and sample collection date for each occurrence (for the last two years). Are the monitoring wells listed in section 5 located at or beyond the review boundary? N/A 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. N/A 7 Is the permittee implementing previously approved actions required by the Division involving this groundwater quality problem? N/A YES NO 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 may subject the permittee to a Notice of Violation Fines, and/or penalties. N/A g The person completing this portion (G W-59A) of the monitoring report should sign below and submit this form with G W-59 forms for required wells to the address provided at the top of the current GW-59 form. 1 hereby acknowledge that the above information was evaluated and the information submitted In this report (Compliance Report GW-59A) Is true and complete to the best of, my knowledge. //2 A, /� , t5�5- / Z )IZO 3ig'nature of Permittee (or Authorized ent) ate GW-59A 12/8/2003 RI IRAAIT Pr1RAA Ml VM 1 (11Al MAOCO ne v GROUNDWATER QUALITY MONITORING: DEPARTiNENT OE EtYIRQNl1E�lT NATttRAI REi3t�RGES .. ; ;' ' -` i3nnslor�o�inr�►iruiisoui�c�s It~a�o�iMAnoti�Ri�c��s�ra��x�r: _ ' COMPLIANCE REPORT FORM .. .,: s c c crr a; � �i iycer as46 r ne:s o saos FACILITY INFORMATION Please Print Clearly or Type PERMIT Number. Expiration Date: 28 Feb-2029 Facility Name: Northwest Regional Water Reclamation Facility Non -Discharge WQ0034367 UIC Permit Name (if different): Onslow Water and Sewer Authority NPDES Other Facility Address: 189 Mills Field Road TYPE OF PERMITTED OPERATION BEING MONITORED ❑ Lagoon ❑ Remediation: Infiltration Gallery Richlands NC 28574 County Onslow ❑ Spray Field ❑ Remediation: Contact Person: Mark Young Telephone#: 910-545-6877 ElRotary Distributor ❑ Land Application of Sludge Well Location/Site Name: Eastside Basin A No. of wells to be sampled: 4 ❑ Water Source Heat Pump 0 Other: High Rate Infiltration from Permit SAMPLING INFORMATION WELL ID NUMBER (from Permit): MW-1 Date sample collected: 11/15/2022 FIELD ANALYSES: If WELL WAS Well Depth: 22.5 ft. Well Diameter: 3 in. pH oo400: 6.14 units Temp. 000lo 19.5 °C DRY at Depth to Water Level 82546: 11 ft. below measuring point Screened Interval: 7 ft. to 22.5 ft. Spec. Cond. 00094: µMhos time of Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Odor 00085: None sampling, Volume of water pumped/bailed before sampling: 5 gallons Appearance Cloudy check here:❑ Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: [U YES ❑ NO LABORATORY INFORMATION Date sample analyzed: 11/15/2022 - 11/17/2022 Laboratory Name: ONWASA Laboratory t Envirochem Certification No. 539 / 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N 00515 mg/L Pb - Lead o1o51 ug/L Coliform: MF Fecal 31616 5 /100mL Nitrate (NO3) as N om2o <0.250 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL us: Total as P 00665 0.974 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 367 mg/L Al - Aluminum 01105 mg/L pH (Lab) 00403 6.14 units Ba - Barium 01007 ug/L TOC oomo 2.02 mg/L Ca - Calcium 00915 mg/L Chloride 00940 18.2 mg/L Cd - Cadmium 01027 ug/L Arsenic 01002 ug/L Chromium: Total o1034 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 o1o45 ug/L (Specify test and method #. ATTACH LAB REPORT.) Sulfate 00945 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? E Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC 7873 method # SM 6200C Total Ammonia 00610 <0.500 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total) Mn -Manganese 01055 ug1L ,method # TKN as N 00625 mg/L Ni -Nickel 01067 ug1L method # v •�. •••�..,a wil .ayaacrrw vary tfivaGrl r_au MIJAJILble InnUeni 1 oral vvcs: mg/L Etttuent Total VOCs: mg/L VOC Removal% Dave Mohr, Chief Operations Officer Permittee (or Authorized Aqent) Name and Title - Please print or type GW-59 Rev.8/2013 RI IRRAIT Fr1RAA r)M YFI I nlA! DADCD nnu v GROUNDWATER QUALITY MONITORING: 1ESSINGUNIT" a DEPARTAgENT OF 0MRONMENT & NATURAL ftSQURCES nrtslttnic%wATEt REsouR s-tN%QRMATtON �. COMPLIANCE REPORT FORM a a , a S 7M)�!L's t{vtc c iri< ; Ai= (i,i c2Tsss= s�i, pn ttr# s9sso os FACILITY INFORMATION Please Print Clearly orType PERMIT Number: Expiration Date: 28-Feb-2029 Facility Name: Northwest Regional Water Reclamation Facility Non -Discharge WQ0034367 UIC NPDES Other Permit Name (if different): Onslow Water and Sewer Authority Facility Address: 189 Mills Field Road TYPE OF PERMITTED OPERATION BEING MONITORED Richlands NC 28574 County Onslow ❑ Lagoon ❑ Remediation: Infiltration Gallery ❑ Spray Field ❑ Remediation: Contact Person: Mark Young Telephone#: 910-545-6877 ❑ Rotary Distributor ❑ Land Application of Sludge Well Location/Site Name: West / Basin A No. of wells to be sampled: 4 ❑ Water Source Heat Pump E Other: High Rate Infiltration from Permit SAMPLING INFORMATION If WELL WELL ID NUMBER (from Permit): MW-2 Date sample collected: 11/15/2022 FIELD ANALYSES: WAS Well Depth: 22.5 ft. Well Diameter: 3 in. pH 00400: 6.4 units Temp. 000it 19 °C DRY at Depth to Water Level 82546: 10 Screened Interval: 7.4 ft. to 22.4 ft. Spec. Cond. 00094: µMhos time of Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Odor 00085: None sampling, Volume of water pumped/bailed before sampling: 5 gallons Appearance Cloudy check here: Samples for metals were collected unfiltered: ES ❑ NO and field acidified: RrYES ❑ NO LABORATORY INFORMATION Date sample analyzed: 11/15/2022 - 11/17/2022 Laboratory Name: ONWASA Laboratory ( Envirochem Certification No. 539 / 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N 00615 mg/L Pb - Lead o1o5i ug/L Coliform: MF Fecal 31616 <3.33 /100mL Nitrate (NO3) as N 00620 <0.250 mg(L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 4.84 mg/L (Note; Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Totai 70300 459 mg/L Al - Aluminum 01105 mg/L pH (Lab) 00403 6.42 units Ba - Barium 01007 ug/L TOG 00680 2.52 mg/L Ca - Calcium 00916 mg/L Chloride oo94o 47.1 mg/L Cd - Cadmium 01027 ug/L Arsenic 01002 ug/L Chromium: Total wom 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 o0945 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? 0 Yes (1) ❑ No (0) pecific Conductance oo095 µMhos K - Potassium 00937 mg(L VOC 7873 method # SM 6200C Total Ammonia oo6io <0.500 mg(L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total) Mn - Manganese 01055 ug/L method # TKN as N 00625 mg(L Ni - Nickel 01067 ug/L method # . — i.Will=Y OULF11 7y*LWF11b only trtttacn t-ao Reports): innuent i otai vucs: mg/L Effluent Total VOCs: mg/L VOC Removal% Dave Mohr, Chief Operations Officer Permittee (or Authorized Agent) Name and Title - Please print or type SUBMIT FORM ON YELLOW PAPER ONLY GROUNDWATER QUALITY MONITORING: COMPLIANCE REPORT FORM TION crease rnnr weary or Facility Name: Northwest Regional Water Reclamation Facility Permit Name (if different): Onslow Water and Sewer Authority Facility Address: 189 Mills Field Road Richlands NC 28574 County Onslow (Contact Person: Mark Young Telephone#: 910-545-6877 Well Location/Site Name West / Basin C No. of wells to be sampled: 4 PERMIT Number: Expiration Date: 28-Feb-2029 Non -Discharge WQ0034367 UIC NPDES Other TYPE OF PERMITTED OPERATION BEING MONITORED ❑ Lagoon ❑ Remediation: Infiltration Gallery ❑ Spray Field ❑ Remediation: ❑ Rotary Distributor ❑ Land Application of Sludge ❑ Water Source Heat Pump E Other: High Rate Infiltration atitutrr_mu 1NruKMA I wN WELL ID NUMBER (from Permit): MW-3 Date sample collected: 11/15/2022 Well Depth: 22.0 ft. Well Diameter: 3 in. Depth to Water Level 82546: 12 ft. below measuring point Screened Interval: 7 ft. to 22.o ft. Measuring Paint is 3' ft. above land surface Relative M.P. Elevation: ft. Volume of water pumped/bailed before sampling: 5 gallons Samples for metals were collected unfiltered: RrYES El NO and field acidified: (9 YES El NO FIELD ANALYSES: pH 00400: 6.5 units Temp. 000lc 19.9 °C Spec. Cond. 00094: µMhos Odor 00085: None Appearance Cloudy If WELL WAS DRY at time of sampling, check here: LABORATORY INFORMATION Date sample analyzed: 11/15/2022 - 11/17/2022 Laboratory Name: ONWASA Laboratory! Envirochem Certification No. 539 / 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N oo615 rng/L Pb - Lead 01051 ug/L Coliform: MF Fecal 31616 <2.00 /100mL Nitrate (NO3) as N 00620 0.856 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 4.04 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 272 mg/L AI - Aluminum 01105 mg/L pH (Lab) 00403 6.49 units Ba - Barium 01007 ug/L TOC 00680 1.78 mg/L Ca - Calcium 00916 mg/L Chloride 00940 6.05 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 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? E Yes (1) ❑ No (0) pecific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC 7873 method # SM 6200C Total Ammonia 00610 <0.500 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total) Mn - Manganese 01055 ug/L method # TKN as N 00625 mg/L Ni - Nickel 01067 ug/L method # ror Kemeaiation Systems Only (Attach Lab Reports): Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal% Dave Mohr, Chief Operations Officer Permittee (or Authorized Aqent) Name and Title - Please print or type GW-59 Rev.8/2013 SUBMIT FCIRM nm VFI I nIA! PAPPR nnu v GROUNDWATER QUALITY MONITORING: DIVIAI RQF ATER Es0lJ C"t ANI7itbdt e e o OtVISioN OF WATER RESt}UIiCES IP/Ft?RMATION PI2oCESSING UNIT COMPLIANCE REPORT FORM iR37 Ptiait�lnct<�,�Ar_�r:•z, FACILITY INFORMATION Pease Pant Clearly or Type PERMIT Number: Expiration Date: 28-Feb-2029 Facility Name: Northwest Regional Water Reclamation Facility Non -Discharge WQ0034367 UIC Permit Name (if different): Onslow Water and Sewer Authority NPDES Other Facility Address: 189 Mills Field Road TYPE OF PERMITTED OPERATION BEING MONITORED Richlands NC 28574 County Onslow ❑ Lagoon ❑ Remediation: Infiltration Gallery ❑ Spray Field ❑ Remediation: Contact Person: Mark Young Telephone#: 910-545-6877 ❑ Rotary Distributor ❑ Land Application of Sludge Well Location/Site Name North / Basin D No. of wells to be sampled: 4 ❑ Water Source Heat Pump E Other: High Rate Infiltration WELL ID NUMBER (from Permit): MW-4 Date sample collected: 11/15/2022 Well Depth: 22.0 ft. Well Diameter: 3 in. Depth to Water Level 82546: 10 ft. below measuring point Screened Interval: 7 ft. to 22.0 ft. Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Volume of water pumped/bailed before sampling: 5 gallons Samples for metals were collected unfiltered: El NO and field acidified: El NO FIELD ANALYSES: pH 0040o: 6.6 units Temp. 000lc 19.4 °C Spec. Cond. 00094: µMhos Odor o0085: None Appearance Clear WAS - DRY at time of sampling, check here.- LABORATORY INFORMATION Date sample analyzed: 7/15/2022 - 7/17/2022 Laboratory Name: ONWASA Laboratory ! Envirochem Certification No. 539 / 94 PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations. COD 00335 mg/L Nitrite (NO2) as N 00615 mg/L Pb - Lead o1o51 ug/L Coliform: MF Fecal 31616 12 /100mL Nitrate (NO3) as N 00620 <0.250 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 <0.150 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 323 mg/L Al -Aluminum 01105 mg/L pH (Lab) 00403 6.62 units Ba - Barium 01007 ug/L TOG 00680 1.08 mg/L Ca - Calcium 00916 mg/L Chloride 00940 14.4 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 mg/L Hg - Mercury 71900 ug/L Lab Report Attached? E Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC 7873 method # SM 6200C Total Ammonia 00610 <0.500 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total) Mn -Manganese 01055 ug/L ,method # TKN as N 00625 mg/L Ni - Nickel 01067 ug/L method # ••+•..•• .may-- v .y k—LLO lI �av rXcNuua/. a inUCnl I Vtdl VUUb. mg/L tz nuent 1 otal VUCs: mglL VOC Removal°fo Dave Mohr, Chief Operations Officer Permittee for Authorized Aqent) Name and Title - Please print or type GW-59 Rev.8/2013 ONWAS"'A Sending Facility: Northwest WRF 189 Mills Field Road Richlands, NC 28574 Phone: 910,937.7570 Project Manager: Mark Young Onslow Water & Sewer Authority SUBCONTRACT 226 Georgetown Road Jacksonville NC 28540 ORDER Subcontracted Laboratory: Work Order: N224711 Northwest RWRF Matix: GW Environmental Chemists, Inc. 6602 Windmill Way Wilmington, NC 28405 Phone: (910) 392-0223 Fax: (910) 392-4424 NCDENR: OWQ CERTIFICATION # 94 NCOHH5; OLS CERTIFICATION a 37729 Sample ID: N224711.03 NW MW I Sampled., 1111512022 07:45 Sampled by, Mark roun Analysis Due Expires EnviroChem Lab ID SM 6200 C 11/25/2022 11/22/2022 07:45 Containers Supplied: PTFE 40 mL MW VOC (C) PTFE 40 mL MW VOC (D) Sample ID: N224711-04 NW MW 2 Sall"PAP& 1111512022 08:15 Sampled by., Ltlark Yotm Analysis Due Expires EnviroChem Lab ID SM 6200 C 11/25/2022 11/22/2022 08:15 Containers Supplied: PTFE 40 mL MW VOC (C) PTFE 10 mL MIN VOC (D) Sample ID: N224711-05 NW MW 3 Sampled.' 1111512022 08.40 Sampled by, Mark yo una [Analysis Due Expires EnviroChem Lab ID SM 6200 C 53-9,7-q 11/25/2022 11/22/2022 08:40 Containers Supplied, PTFE 40 mL MW VOC (C) PTFE 10 mL MW VOC (D) Sample ID: N224711-06 NW MW 4 Sampled., 1111512022 09:00 Sampled by, Mark Youn Analysis . Due Expires EnviroChem Lab ID SM 6200 C 2- 11/25/2022 11/22/2022 09:00 Containers Supplied- PTFE 40 mL MW VOC (C) PTFE 40 mL MW VOC (D) ,?-, 2- EnviroChem Report No: zz - 'e AL D Relinquished By Date ,eived By Date Page 1 of 1 ANALYTICAL & CONSULTING CHEMISTS 6602 Windmill Way, Wilmington, NC 28405 11 910.392.0223 Lab 0 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 0 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 6 910.347.5843 Lab/Fax info(rienvii-onmentalchemists.com Onslow Water & Sewer Authority Date of Report: Dec 01, 2022 228 Georgetown Road Customer PO #: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Report #: 2022-22761 Project ID: Northwest Reg. WRF Trichloroethene SW 846 Method 826OD15030B <0,5 pg/L 11/17/2022 Trichlorofluoromethane Vinyl chloride Comment: r Reviewed by: SW 846 Method 82600/5030B SW 846 Method 8260D/5030B <0.5 pg/L <0.5 pg/L 11/17/2022 11/17/2022 Report #:: 2022.22761 Page 12 of 12 Environmental �� Inc.������1�������������t�� ����e�������tX�, ������� 6082Windmill Way, Wilmington, NC204O5 ° 910.392.0223Lab ° 910.392.4424}ax 7l0Bovvaoto,voRoad, &{ooten'NC27954 ^ 252.473.5702Lob/Fax 255'&Wilmington Highway, Jacksonville, NC28540 0 910.347.5843[ah/Fax ANALYTICAL &CONSULTING CHEMISTS Ooslow Water & Sewer Authority Date ofReport: Dec V1.2022 228Georgetown Road Customer PO#; Jacksonville NC 28540 Customer ID: 08100093 Attention: Todd Roberts Repmrt#: 2022-22761 Project ID: Northwest Reg. VVRF Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-55926 Site: NVVK4VV`4 11/15/2032 9:O0AM Water Mark Young Toot Method Results Date Analyzed 1.1.1,2-Tetoach|oroethano sw«*oMethod ou««o/5»u»o <0.5pg/L 11/17/2022 1.1.1-Trich|oroothano SIN o4sMethod »zeooa»o»o <0.6pg/L 11/17/2022 1,1.2.2-Tetnaoh|oroothane mw»46Method »u»omao»»o <0.5pg/L 11/17/2022 1.1.2-Trich|omet one own*«Method aueom»»»oa <0.5pg/L 11/17/2022 1.1-0ch|oroathane ov«o"sMethod »xooms»u»e <0.5pg/L 11/17/2022 1'1-Dich|opoothene e««8wsMethod »ue«oa000a <0.5Ug/L 11/17/2022 1.1'Oioh|oroprnpene owcwoMethod uz«»o/5»»«o <0.5pg/L 11/17/2022 1.2.3-Tr/ch|onobenzene awawnMethod ou000monoo x0.5UQ/L 11/17/2022 1.2.3-Thch|onopropane mwn4aMethod »unoum»o»n <8.5pg/L 11/17/2022 1.2.4-Tr)ch|onobanzene aw*^«Method oos»omoo»a <0.5pg/L 11/17/2022 1.2'4-Trmethy|benzene »w8wnMethod ausOom«o»a «0.5Ug/L 11/17/2022 1.2-Dibromo'3-Ch1onopropane nwo4uMethod ozsuoao»»e <0.5pg/L 11/17/2022 1.2'Dibnomoethona »w8*»Method ncn«m«on»8 <0.6pg/L 11/1712022- - 1.2-Dioh|onobenzene mw«mMethod »caoomon«o <0.5pg/L 11/17/2022 1.2'Dich|oroethone »w«*«Method ouo»msoa»o <0.5pg/L 11/17/2022 1.2'Uiohloropropene awo4oMethod »usooaoo«a ^0.5pg/L 11/17/2022 1'3.5'Trimothy|benzane o»«»4sMethod »noomo»aoe <0.5pg/L 11/17/2022 1.3-Dich|onobonzone «w»«eMethod ou»ooa»aoa <0.5pg/L 11/17/2022 1.3-Dich|oropropana ew«*oMethod »:e»mo»xoa <0.5pg/L 11/17/2022 1.4-Dich|orobenzena owo4eMethod ues»omno»o <0.5pg/L 11/17/2022 2.2'Dich|oropropana owo*eMethod »uu»om«u»o <0.6Ug/L 11/17/2022 3-Chlorobo/uwne aw»"»Method »x«oos»000 <0.6UA/L 11/17/2032 4'Ch|oroto|uena aw«^oMethod «z«umaoo»a <0'5pg/L 11/17/2022 Benzene ow8w«Method oxe«»s«aoa <0.5Ug/L 11/17/2022 Bnompbenzenu awa4uMethod n:000/5»ooa <0'5pg/L 11/17/2022 Bnomoch|onomathane ow«4mMethod »ue»os«»«o <0.5pg/L 11/17/2022 Onslow Water & Sewer Authority 228 Georgetown Road Jacksonville NC 28540 Attention: Todd Roberts Environmental Chemists, . 6602 Windmill Way, Wilmington, NC 28405 m 910.392.0223 Lab 0 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 o 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 N 910.347.5843 Lab/Fax info(ri-environmentalchemists.com Date of Report: Dec 01, 2022 Customer PO #: Customer ID: 08100092 Report : 2022-22761 Project ID: Northwest Reg. WRF Bromodichloromethane SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Bromoform SW 846 Method 82600/5030B <0.5 pg/L 11/1712022 Bromomethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Chlorobenzene SW 846 Method 826OD15030B <0.5 pg/L 11/17/2022 Chloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Chloroform SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Chloromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 cis-1,2-Dichloroethene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 cis-1,3-Dichioropropene SW 846 Method 82600/50305 <0.5 pg/L 11/17/2022 Dibromochloromethane SW 846 Method 6260D/5030B <0.5 pg/L 11/17/2022 Dibromomethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Dichlorodifluoromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/1712022 Ethylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Hexachlorobutadiene SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Isopropylbenzene SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 M+P Xylene SW 846 Method 8260D/5030B <1.0 pg/L 11/17/2022 Methylene chloride SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Naphthalene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 n-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 n-Propylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 ortho-Xylene SW 846 Method 826OD15030B <0.5 pg/L 11/17/2022 p-Isopropyltoluene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 sec-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Styrene SW 846 Method 826OD15030B <0.5 pg/L 11/17/2022 tert-B utyl benzene SW 846 Method 8260015030B <0.5 pg/L 11/17/2022 Tetrachloroethene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Toluene SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Trans- 1,2-Dichloroethene SW 846 Method 8260D15030B <0.5 pg/L 11/17/2022 Trans- 1,3-dichloropropene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Report #:: 2022-22761 Page 8 of 12 ANALYTICAL & CONSULTING CHEMISTS 6602 Windmill Way, Wilmington, NC 28405 1& 910.392.0223 Lab * 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 0 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 * 910.347.5843 Lab/Fax info(i i.�envi ro n men ta Ichern is ts. com Onslow Water & Sewer Authority Date of Report: Dec 01, 2022 228 Georgetown Road Customer PO #: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Report #: 2022-22761 Project ID: Northwest Reg. WRF Trichloroethene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Trichlorofluorornethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Vinyl chloride SW 846 Method 6260D/5030B <0.5 pg/L 11/17/2022 Report #: 2022-22761 Page 6 of 12 =��� �� Inc.�����i�������������t��� ���������i�����, ����� h8n2Windmill Way, Wilmington, 0C28485 ° 918.392.0223Lah ° 910392.4424pax 7IOBnwaectunmRoad, &Yanteo'NC27954 = 252.473.5702Lab/Fax 255-AWilmington Highway, Jacksonville, NC2854O ° 91.0.347.5843Lab/Fax AmALYTICALuCONSULTING CHEMISTS OnebnmWater & Sewer Authority Date o7Report: Dec O1.2022 228Georgetown Road Customer PO#: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Report 2022'22781 Project ID: Northwest Reg. VVRF Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-56924 Site: NVVK8W-2 11/15/2022 8:15APW Water Mark Young Test Method Results Date Analyzed 1.1.1.2'Teinaoh|onoothana awm4»Method »z««o/5o»»u <O.Spg/L 11/17/2022 1.1.1-Trich|oroathana aw«^«Method »o«»»/5«une <8.5pQ/L 11/17/2022- 1.1.2.2-Tetnech|oroethana o««u*»Method o2sooa»x»o <0.5UQ/L 11/17/2022 1.1.2-Thch/orosthane e««o4«Method eos»ms»»«o <0.5uO/L 11/1782022 1.1'Dich/oroethone »«»u4sMethod oueooa»noa <0.5pg/L 11/17/2022 1.1-Dioh|oroathano awo4»Method n2*»me»»»a <O.Spg/L 11/17/2022 1.1'Oi«h/oroPnoPene aw8w»Method ooa«oaou«o <0.5pg/L 11/17/2022 1.2.3-Trioh|onobanzene mwo4oMethod ozsoom»u»u «0.6pg/L 11/17/2022 1.2.3-Trich|oropoopena mw/wsMethod o2e»m5»»«a <O.Spg/L 11/17/2022 1.2.4-Trioh|onobenzena n«««*oMethod uo«»omoou» <0.5pg/L 11/17/2022 1.2.4-Tiimethy|benzene ow«^nMethod «uo»oaoo»u <0.5pg/L 11/17/2022 1.2'D|bromo'3-Ch/oropropone owo4nMethod »os»om»»»a <U.bpg/L 11/17/2022 1.2-Dib,omoethmne »wn4nMethod o:o»m»ox»o <0.5Ug/L 11/17/202 1.2'Dioh|onobonzene Sw»4aMethod u:«om»»uoa <0.5pg/L 11/17/2022 1.2-Dioh|onoathana awu4»Method «us«oao»oa <0.5pg/L 11/17/2022 1.2-0oh/onmpropone »w»*nMethod o»a»m5»n»a <0.5Ug/L 11/17/2022 1'3.S-Trinnethy|benzene swwsMethod »rnoo15o»na <0.5pg/L 11/17/2032 1.3'Oich|orobenzene aw»4eMethod oz000mo»ou «0.5pg/L 11/17/2022 1.3-Oich|oropnopane mwo^*Method nxoommouoa <0.5pg/L 11/17/2022 1.4'Dich|ombenzene «wo4sMethod uua»nao»»o <0.6Pg/L 11/17/2022 2.2'Dich|oropoopone owa4«Method o2o»mmo«»u <0.5ug/L 11/17/2022 2-Ch|oroto|uana awu*eMethod »o«ooaooVo <0.5pg/L 11/17Q022 4-Ch|o»oto|uene mwu^sMethod u2soo/s»»na «0.5pg/L 11/17/2022 Benzene aw8weMethod »cs»omoaoa <O.GpQ/L 11/17/2022 Bnzmobonzene owo4aMethod oeuoo/n»xoB <0.5pO/L 11/17/2022 Bnomoch|oromethone ow»4»Method «c000mun»e <U.Spg/L 11/17/2022 Environmental ����viro����e��t�� Chemists, Inc. 66O2Windmill Way, Wilmington, NC284O5 ° 910.392.0223Lab ° 910.392.4424Fax 7IUDovvaerm=nRoad, Manuzo'NC27954 ° 252.473.5702Lab/F^x 255f\Wilmington Dighv,ay,Jacksonville, NC2854O ° 910.347.5843Lob/Fax - ANALYTICAL &CONSULTING CHEMISTS Omslow Water& Sewer Date ofReport: Dec D1.2022 228Georgetown Road Customer PO#: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts BepnML#: 2022-22761 Project ID: Northwest Reg. VVRF 8romodich|onomethane owo4nMethod »un»om»o»u <O.SUg/L 11/17/2022 8nomoform Sw»4nMethod »2s»os«u»o <0.5pg/L 11/17/2022 B'omomethana awo4»Method a2mom«u000 <O.Spg/L 11/17/2022 Carbon tetrachloride owo4aMethod az«nom»uoa <O.SUg/L 11/17/2022 Ch|ombenzone owo*oMethod »znooao»»e <0.5pg/L 11/17/2022 Ch|oruetho»o awo*nMethod ae»oms»oon <0.6pg/L 11/17/2032 Chloroform S««o^sMethod mo««m««n»a <0.5pg/L 11/17/2022 Ch|ommathmno a«»»^sMethod e,auc»uoo»o <0'5pg/L 11/17/2022 cis-1.2-D|oh(oroathana uwe4eMethod »ce«os»u»u <0.5pg/L 11/17/2022 nis'1.3'Dich|onopvmpane a»»a^«Method om»om»ano <0.5pg/L 11/17/2022 Dibromooh|oromothane awo4aMethod ocs»ms«ooa <O.GUO/L 11/17/2022 Dibromomathane »««»mMethod ooaoomoo»o <0.5pg/L 11/17/2022 Oich|orodiMuomnnethone a««a^sMethod »2e»meonoo <0.5pg/L 11/17/2022 Ethy|benzene ow»4oMethod ozn»oaou»o <0'5Vg/[ 11/17/2022 Hoxaoh|orobubadieno mwmsMethod »us«oao»»a <0.5pg/L 11/17/2022 |smpropy|benzone m««»4oMethod »oe»o/s»ona «0.5 pg/L 11/17/2022 K0+p Xy|ano owu4eMethod ooaoom»»»a <1.Opg/L 11/17/2022 Methylene chloride aw8weMethod aouno/5»sou <O.Spg/L 11/17/2022 Naphthalene owu*sMethod »m»m»»ooa «0.5pQ/L 11/17/2022 n'Buty|benzen* u««m`eMethod »us»o/««ooa <0.5pg/L 11/17/2022 n-pnopy|benzena mw««sMethod oua»o/ooaoa <Q.Gpg/L 11/17/2022 ortho-Xy(ono awomMethod «r«»om»o»e <0.5pg/L 11/17C2022 p-|aopn»py|ho|uane a»»»4sMethod o:s»um«ooa <0.5pg/L 11/17/2022 sec -Butyl benzene mwa4sMethod »o*ooa»o»a ^0.5pg/L 11/17/2022 Styrene Swo^«Method oxoomm»o»u <O.Spg/L 11/17/2022 hedt-Butylbenzene own:aMethod m2eoo/5ouna <0.5pg/L 11/17/2022 Tehonh|oroethene mwa4aMethod »oo»om»000 «0.5Ug/L 11/17/2022 Toluene owo^aMethod omoo/5oouo x0.5pg/L 11/17/2022 Trans'1.2-0oh|onoethene ow/woMethod aze«oeo»oa <0.5Ug/L 11/17/3022 Trans-1.3-dioh/oropropeno n««o*eMethod azouo/5osa <0.5pg/L 11/17/2022 60 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 4 (Continued) N224711-06 (WW) 11/15/2022 09:00 Reporting Date Analyst Analyte Result qual Limit Units Analyzed Initials Method : ene ,,., :. , , , , . ,. <,0.5�� ..., .; ; _ .pg,L , „ 11/17/2022 , ' � :-, ' W6200 C -- n Butylbenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C ri=PrapyltiehO—Ye�-; .< 0:5- P9%L 11/-17/ 022 .; SM 6200-C . ortho-Xylene < 0.5 5 pg/L 11/17/2022 SM 6200 C p-lsopropyltrrlune !1g/L . , '-1]/]7/2022 SM, C . sec Butyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C :. . 11/] 7/20 2 5M 6200 C tert- Butyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C < pli" SM 62tl0.,C Toluene < 0.5 5 ug/L 11/17/2022 SM 6200 C transe],2=Dichslooethene:.:< 0.5 5 trans 1,3 Dichloropropene < 0.5 5 pg/L 11/17/2022 SM 6200 C 'Tr16f7f6r"aehene pg /L< ' , 11/1Z/2022- " ."SM 6200 C Trichlorofluoroethane m < 0.5 5 pg/L 11/17/2022 SM 6200 C hg/ 1I/17 2022 / 5M 00a c The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 12 of 16 1-4 .�ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 3 (Continued) N224711-05 (WW) 11/15/2022 08:40 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Napntnaiene < 0.5 5 pg/L 11/17/2022 SM 6200 C i, 706' lbenzene ': ;: _. 0:5 5 ug/i 11/17/2022 ' . SM 6200 C" n-Propylbenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C ortYio= 'ylene � , - 0;5 .. pg/L.: 11/17J2022 . - , SM 62Q0 C- p-Isopropyltoluene < 0.5 5 pg/L . 11/17/2022 SM 6200 C sec=8urylbenzei e:; <"0;5 - ' ' 5; . ,Og/L , �1d/17/2022 .. /SM 6200,C Styrene < 0.5 5 ug/L 11/17/2022 SM 6200 C tert Butyl benzene`: " < 0.5 . 5 4�9/L,, ; '11/17/2022 - SM;6200�C: Tetrachloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C Toluene < .5 0 5 1�9/" .' 1�1/17/2022 SM `6200C , trans- 1, 2-Dichloroethene < 0.5 5 ug/L 11/17/2022 SM 6200 C trans�l;3-Diclildropr:opene - 0:5 : - 5;::.Ug/L 11/17J2022 SM;6200G Trichloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C Tricli(iirofluolorriethane tig/L , ' 11/17/2022 6200:C Vinyl Chloride < 0.5 5 pg/L 11/17/2022 SM 6200 C The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 10 of 16 Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 2 (Continued) N224711-04 (WW) 11/15/2022 08:15 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Naphthalene,': -,.,, - <0:5: .. 5 pg/,L ;;� 11[17/2022 SM 6200;C , n Butylbenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C pg/L., 11/17, /2022 SM 6200 ;C, ortho-Xylene < 0.5 5 ug/L 11/17/2022 SM 6200 C p Zsopropyitoluene' W91L, ,� �11/�17/2022 SM 6200 � sec- Butyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C ne S ,tY! .. < O.S 5 U9/L... 11/17/2(1G2., i.. , .SM 62,p0 C, toTert- Butyl benzene : < 0,5 5 pg/L , 11/17/2022 ,1 SM 6200 C trachloroet ene , = 0.5; 5 jig/� - "It 7f2022 ' , �- SM, 62a0 Toluene < 0.5 5 pg/L 11/17/2022 SM 6200 C trans-1;2-[7ickiioroethen ." 0.5 ` ' , 5: pgfL, ,11/17,/2022 trans-1,3-Dichloropropene < 0.5 5 pg/L 11/17/2022 SM 6200 C Trlchlaroethene ;, <0.5 5 ,; p9/t: 1,1/1?/2g22„.,, sM;62,gp,C TrichlorOflUorOmethane � < 0.5 5 pg/L 11/17/2022 SM 6200 C �h* Ch166 e � < 0:5 pg/ L 11 17 2022 / / ',SM 6200"C The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 8 of 16 14 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 1 (Continued) N224711-03 (WW) 11/15/2022 07:45 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Napnthalene - < 0.5 5 pg/L 11/17/2022 SM 6200 C nuty�benzene 0.5 5 19/L '"11/17%2p22 "SM 62010C n-Propylbenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C <0.5 .,.. Pg/L, 11/ SM17/2022. 6200C` p Isopropyltoluene <0.5 5 ug/L 11/17/2022 . SM 6200 C sec46tylbenzene _ < 0.5 5 , da9/� 11/17/2022' SM 6200 C Styrene < 0.5 5 u9/L,,..,.,. 11/17/2022 SM 6200 C test-butyibenzer►e; .: SM" 620,0 C Tetrachloroethene < 0.5 5 u9/L ����:�/2022 /2022 . SM 6200 C Tq uene 5 . ,; " lag/L.,, .. 11/17/2022: : , SM62Q0 C " trans-1,2-Dichloroethene < 0.5 5 ug/L 11/17/2022 SM 6200 C tans=l,3-Crlchloropro ene . - ' " 0.5 5 , pg/ L, .. ,1� /17/2d22 . SM 6200,C: , , -: Trichloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C Tr(chrlorofluoromethane. Cag/L :: z1%17/2022 SM 6200 C :. Vinyl Chloride < 0.5 5 pg/L 11/17/2022 SM 6200 C The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplIcation of this report is allowed, except in its entirety. Page 6 of 16 6 12�> ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Sample: NW MW 4 N224711-06 (WW) 11/15/2022 09:00 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Chloride 14.4 5.00 mg/L 11/17/2022 DMN SM 4500 CLDE-E 'Fecat.Coliiform ',, .; ", '° 1 :0 ,. 1:00,, #/100m1 " 1:1/16/2022 DMN � SM 9222 D (MF)- Color NO Clear 1.00 NA 11/15/2022' MY Field Mtd Field Depth.: . Ft'., 11%1S/2022 MY. Field Mtd pH 6.62 0.100 pH Units 11/15/2022 MY SM 4500 H B Odor .: - Nb" Odor 100 .. NA. .11/15/2022, "MY . ; Field Mtd, Temperature .. 19.4 0.00 deg C 11/15/2022 MY SM 2550 B AmmorilaN .. .. .... . : .� --, .. �05Q�0` ,' CI 00, mg/L Nitrate <0.250 0.250 m 11/15/2022 DMK EPA 35.1 3.2 Total Phosphorus `,', mg/L.:.... 1, /16/2022 ' DMK, , ;EPA 365A , Total Dissolved Solids 323 2.50 mg/L .. 11/16/2022 DMN SM 2540 C Tclial-Organic-Carbon =; ;.:,;,� 1.08 0.a00 °g/L, " ,,11/16/2022 DMN-`SM5310C .. Sample Results Data Analyzed by: Environmental Chemists, Inc. The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 4 of 16 Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Sampie: NW MW 2 N224711-04 (WW) 11/15/2022 08:15 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method L�nionae 47.1 5.00 mg/L 11/17/2022 DMN SM 4500 CLDE-E Fecal'Colfnrm <3,33 ` 3.33 #/10Qnnl 11/16/2Q22, SM.9222,D Color YES Cloudy 1.00 NA , 11/15/2022 ,,D„MN' MY Field Mtd FieldDepth PH 6.42 0.100 pH Units 11/15/2022 MY SM 4500 H B i emperature 19.0 0.00 deg C 11/15/2022 MY SM 2550 B mmonia;-N ; .. " : „ ;-"0;5q : "." 0.500 , ! Nitrate <0.250 0.250 mg/Lng/L" 11/15/2022 DMK EPA 353.2 Total, Phosphorus ; 4.84" mg/L,; =' L1/1/2p22 DMIC"" EPA.365i Total Dissolved Solids 459 2.50 mg/L 11/16/2022 DMN , SM 2540 C Toial:Organic Carbon 252 .. �: OS00 , . rri/L" 11%16/0„22. Sample: NW MW 3 N224711-05 (WW) 11/15/2022 08:40 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method %.moriae 6.05 5.00 mg/L 11/17/2022 DMN SM 4500 CLDE-E Fecal Colifarm <2.00,, `: 2.00 G1MN,, SM,9222a7 Color YES Cloudy 1.00 NA 11/15/2022 MY Field Mtd Fie1dl epo,,, 1,1/15�2022; PH 6.49 0.100 pH Units 11/15/2022 MY SM 4500 H B Temperature 19.9 0.00 deg C 11/15/2022 MY SM 2550 B Ammonia=N <f1,500,,. 0.500 mg/L "� 11/16/2A22 DMK : EF!A3501. Nitrate 0.856 0.250 mg/L 11/15/2022 DMK EPA 353.2 Total phosphorus. ' 4.04 0.150. rng/L, Total Dissolved Solids 272 2.50 mg/L 11/16/2022 DMN SM 2540 C Total Organic Carbon 1.78 0.500 mg/L ;." 11/16/2f122 .DMN;; , SM;5310C . The contents of this report apply to the samples) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 3 of 16 Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. 5amplie: NW MW 1 N224711-03 (WW) 11/15/2022 07:45 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method ICII❑IIIIUIUCLIIdlIC < U.5 5 pg/L 11/17/2022 SM 6200 C 1;1,1-Trichloroethane,- p.5.:„ ....�19%1.. ` �11%17[2022.. 1,1,2,2 Tetrachloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 41,2-Trichloroethane 17f 2022 1,1 Dichloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C i,;i-Dlchloroethene; � , �� 0:5. 5 µ9/� 11/17/2Q22 SM;62QQ C; ; 1,1 Dichloropropene < 0.5 5 pg/L ii/17/2022 SM 6200 C 1,2,3-TrlcYiloiobenzene � �c Q:S ., "5 Pg/L :1'1', �SMf200C";,. 1,2,3 Trichloropropane, HAA IS < 0.5 5 u9/L 11�17/2Q22' 17/2022 SM 6200 C 1,2,4-Triehrlorobenzene. 11/�17/2G2 SM°62U0 1,2,4-Trimethyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 1';2-Dibrofna-376hl6ropropane (DBCF') ... c 0fa 1,2-Dibromoethane < 0.5 5 pg/L 11/17/2022 SM 6200'C 1,2=Dlchlorobenzene < 0 5., 5 ` g/L,. �Sj�1:620p G 1,2-Dichloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1y2 Dichloropropane, < 0.5 5 ; .�!9/,11/17/2Q22, SM, 6200 C. 1,3,5-Trimethyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 13-Dlchlorobenzene . 0.5 , 5 `; pg/L 11/17/022;.. SM;s2QQ 1,3 Dichloropropane < 0.5 5 pg/L 11/17/2022 SM 6200 C iy4-Dlchlorobenzene ., < 0;5 5g/( 11 /17/2022 ; SM620Q C 2,2-Dichloropropane < 0.5 5 pg/L 11/17/2022 SM 6200 C 2. Chlorotoluene< 0.5 5�1,1/1i/2022„ ;SM,6200 ;, .. C 4-Chlorotoluene < 0.5 5 pg/L 11/17/2022 SM 6200 C Benzene !. < Q:5 , 5 :.'pg/b,11/Z7/2Q22. "....,.SM-620Q"C, Bromobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C Brorriachloromethane �. < 0.5 5--, p9LL,%2Q22" 5M 6200 Bromodichloromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Bromoform < 0.5 5 pg/L 1;1/17/2022 SM 620q C, ; Bromomethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Carbon Tetrachloride < 0.5 a"" 1�9/b, ,11%17/2W', - SM 6200`C; Chlorobenzene < 0.5 5 . pg/L 11/17/2022 SM 6200 C Chloroethane - :.' .--11. <,A» 5 W9/! " /17%2Q22"SM Chloroform < 0.5 5 pg/L . 11/17/2022 SM 6200 C Chloromethane " , < 0.5 5; 1�9/L ' 11J1ZJ2022 < SNj, Qp C cis 1,2-Dichloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C cis-1,3-Dichloropropene , q;5 5 = Bg/L .,11J17/2Q22 -;�5M.620p C, Dibromochloromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Dibromomethane <,0.5= �i9/C.. SM¢20f :C' Dichlorodifluoromethane < 0.5 5 pg/L . ,11/1i/2Q22 11/17/2022 SM 6200 C Ekhylbenzone < 01.5 5 µ914 ' 1]%17/2p22 . S,Mf62QO;C Hex achlorobutadiene < 0.5 5 pg/L 11/17/2022 SM 6200 C Isopropylbnzene < Q:S Spg/L ,11%17%2022� ..-: $M„Q20QC;.. M+P Xylene < 1.0 1 pg/L , 11/17/2022 SM 6200 C Methylene' chloride' < 0.5, S p971 1h/17/2Q22- .".,,> $M 61 C .. ,. . The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 5 of 16 Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 2 N224711-04 (WW) 11/15/2022 08:15 Reporting Date Analyst Analyte Result Qua] Limit Units Analyzed Initials Method . " <. 51, "9l �_ L ';. , %/iT120?2 . SM"" 6200 C - 1,1,1-Trichloroethane < 0.5 5 pg/L , ..: 11/17/2022 , : SM 6200 C 1,1 2 2-Tetrachlorbethane 0.5 s pg/�. , c 1,1,2-Trichloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,i-Dichforoetha6e (1.5 Pg/L,1i7/2oz2;; SM-sOo;c 1,1-Dichloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C 11-Diciiforopropene ;, 0;5" PI., z1%�Cza2 srva20o 1,2,3-Trichiorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 1;2,3-Trfchloropropane;;hIAA,IS"" '. . 0":S: " "" 5" P9%( 1,2,4-Trichiorobenzene , . , < 0.5 5 pg/L 11/17/2022 SM 6200 C , 12,9-TrirrNethyfberrzene 1,2-Dibromo-3-chloropropane (DBCP) < 0.5 . Pg/L , "1%17/2022;, SM=620U,C 12; Dibromoetharie" < .. ":; " 5 pg/L 11/17/2022 „ . SM 6200 C , , <"0:5 h!gIL>' , /17/�2112 1,2-Dichlorobenzene < 0.5 5 pg/L .. , 11/17/2022 SM 6200 C 12 DichloCoethane 0:5 p9/L"1/17/2p22"; 1,2-Dichioropropane < 0.5 5 pg/L 11/17/2022 SM 6200 C 13,5 Trirrrethylbenzene O:S 5 pglL `: ".11/17/02 SM 62pUC. 1,3-Dichlorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 13 Dichloraproparxe 5 ; Pg/" 11/17/2022" .. SM6200G, " 1,4 Dichlorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 2f2-Dichloropropahe ,0.5 „ S Pg/L ; 11/17/262 2-Chlorotoluene < 0.5 5 pg/L 11/17/2022 SM 6200 C 4<Chlarotoluene . ` < 0.5 5 P9 Benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C Bromobenzene:. < O. 5% pg/L -; "" 1ij17/202 SM,-6200 C: Bromochioromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 8romodfchlaromethane K,0.5 5 Pg/L " "% 1]/-17/2022," SM;600 C ; Bromoform < 0.5 5 pg/L 11/17/2022 SM 6200 C BComnmethane <"0.5 5 :..p9/,f ;; 11/17/2022-; SM 62p0"C Carbon Tetrachloride < 0.5 5 pg/L 11/17/2022 SM 6200 C Chlarobenzene ,5,0.5 . 1 20Q'C Chloroethane 0.5 5 pg/L 11/17/2022 SM 6200 C Chloroform < 0.5 5 pg/"l ; , ';11/17�/2022 SM 620,0 C Chloromet hane < 0.5 5 pg/L 11/17/2022 SM 6200 C cis4,2-Dlchloroethene .< Q:S „ 5 . . "11/1"2/2022 SM"_20p; C . cis-1,3-Dichloropropene < 0.5 5 pg/L 11/17/2022 SM 6200 C "D]bromochloromethane < 0.5; : 5 pg/ 1/17/ 02"2 ; ., " SM; 62Q0 C -: Dibromomethane < 0.5 5 pg/L , 11/17/2022 ". SM 6200 C Dichlorodifluorom' bane" <0.5 ., 5 pg/l ! y1/.17/2022 SM;620,D,C„ hylbenzene 0.5 5 pg/L 11/17/2022 SM 6200 C Hexachlorobutadiere " . < 0.5' S"° . pg/L" ", 11/17/2022" ShM6200,C Isopropyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C M+P Xylene" 1.0; 1 p9iL " 11J17/2g22. ' .. SM 6200"C Methylene chloride < 0.5 5 pg/L 11/17/2022 SM 6200 C " The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 7 of 16 -. 6 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 3 N224711-05 (WW) 11/15/2022 08:40 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method U. iwi you ia1 is 111;1-irichiaroethane" < U.S I0.5" 5 5,' pg/L 11/17/2022 SM 6200 C 111,2,2-Tetrachloroethane . < 0.5 5 ." p9/L' " 1-1/17/2022 SM:6200"C";"„ 1,1;2-Triehloroethane" c 05. 5" pg/L 11/17/2022 SM 6200 C 1,1-Dichloroethane < 0.5 5 1fig/L ; :1 17 2022, Dichlordethene " < 0.5"- 5 pg/L g/L " 11/17/2022 SM 6200 C 9M 5200 C ;= 1,1-Dichloropropene < 0.5 5 pg/L 11/17/2022 SM 6200 C 3-Trichlorobenzene" .." < 0.5 .. 5.. p9 4C1,2,3 , . 5 pg/L 11/17/2022 SM 6200 C 1,2,4-Trichiorobenzene < 0.5 " "" """p9/L".:. 1"i/17JZp22 ";= "" '; C;> 1,2,4-Trimethyl benzene < 0.5 5 pg/L 11/17/2022 'Mfi SM 6200 C 1;2-Dibromo-3-chloropropane(DBCP)"" 'p»5"" '' 5"; ,.. , 629,,C 1,2-Dibromoethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,2-Dichlorob 6ze6e . O S, 5 p9/4 11/17/2022 SM 6200 1,2 Dichloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,2-Dichloropropane < O.S 5 , pglL ' 1]/17/2022 SM 62p0 C" 1,3,5-Trimethyl benzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 1;3-Dichlorobenzene < 0.5 5 ." ,pg/L 11J1?/z022.; SM,6200 C"- 1,3-Dichloropropane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1�4;Dlchlorabenzene , _. ,� 0.5" " 5 pg/L"; 11/17/202,2". S,M6200"'C 2,2-Dichloropropane < 0.5 . 5 pg/L 11/17/2022 SM 6200 C 2-Chiorotoluene < 0»5 5 1"1/L7/202"2,; SM.fj2Q0;G: " 4-Chiorotoluene 0.5 5 pg/L 11/17/2022 , SM 6200 C Benzene p9/l-: ° , :1:1/17/2022 ; : ".. SM ;2Q0C Bromobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C Bromochlorgmethane -;SM:62p0C, Bromodichloromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C t3ramoform < 0.5 5pg%� `11/1Z/2022 SM„62j0�C Bromomethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Carbon Tetrachloride 5" - pg/L 11%17/2p22,";`M 62p0C,` " Chlorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200'C Chloroethane < 0.5 S pg' ` 1/17/2022 ; SM 6�OO; C. Chloroform < 0.5 5 pg/L 11/17/2022 SM 6200 C Chloromethane < 0.5 i1720 2pg/U 0 G ; cis- 1, 2-Dichloroethene < 0.5 5 pg/L 11/17/2022 ,1 SM 6200 C cis-4,3-Dichloropropene 0.5 59/L=- ; 11/17f2022 �" SM�620p"C Dibromochloromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Dbromomethane < 0.5 5 pg/L ? . 11/17/2022 'SM6200;C " Dichlorodifluoromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Ekhylbenzene< 0.5 .... pgL SM6200 P Hexachlorobutadiene < 0.5 5 pg/L 11/17/2022 SM 6200 C Tsoprapylkrenzene <"0.5! S p9/L 1,1/12j2022" ; SM 62,00 C M+P Xylene < 1.0 1 pg/L 11/17/2022 SM 6200 C Methylene ;chloride ±< 0.5 5p9%L 11/17[2022 ; "; SM,6200, C " The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 9 of 16 N� Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. sample: NW MW 4 N224711-06 (WW) 11/15/2022 09:00 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method . 09X ; , :Jx/170ozz, ., 1,1,1-Trichloroethare < 0.5 5 Ug/L 11/17/2022 SM 6200 C 1,1,2,2-Tetrachloroethane c 05" :" ":,-;-" 5 1J9%%1/�7/"02.:"�-:.:"". 1,1,2-Trichloroethane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1-biehloroethane <`0:5' u &;/2652 s► 9, 1,1-Dichloroethene < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,1-Dlchloro ro ene "`" Sr' RWP 1,2,3-Trichlorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,2,3-Trichloropropan,HIS <: 0;5 L 1172 2 /r„ SP�6200 1,2,4-Trichlorobenzene < 0.5 5SM p,9gi0;..., 11/17/2022 , , 6200 C 1,2�4=Trimethyibenzene ;: . "; ;;" 1,2-Dibromo 3 chloropropane (DBCP) f1.5 12-'bib romoethage,, < 0.5 5 pg/L 11/17/2022 SM 6200 C 1,2-Dichlorobenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C 12-Dichloroethane " „ " < p.S 5: "" 1`1 17 2022 SM,6200 C " 1,2-Dichloropropane < 0.5 5 pg/L 11/17/2022 SM 6200 C 1' 3 54rimeth (benzene R Y;'" " "' '<`O,S,:,''" , S ", lxA/ "' , L'. ,,,1 17 / C ' 1,3-Dichlorobenzene < 0.5 5 pg/L 11/17/2022 '6"2,q0; SM 6200 C 1,3-Dichloropr9pane < 0.5 5 %agl ,,11/17/2022 / 11,4-Dichlorobenzene 6..... < 0.5 5 peg/LL SM 6200 C 2 2-Dlchlocop o aria p " .. < 0.5 5 2-Chlorotoluene < 0.5 5 ug/L 11/17/2022 SM 6200 C 4=Chlorotoluene �,0«5. �'," p!9/�"�2 Benzene ". < 0.5 5 pg/L 11/17/2022 SM 6200 C Bromobenzene ', . c •0:5 5 `; I?9/1,: 62g0;C " " Bromochloromethane < 0.5 5 ug/L 11/17/2022 SM 6200 C Bromadichloromethane" < O.a .. 5' hg/L, ". ",1,1/17/2022; ; " �„ 6,20Q Bromoform < 0.5 5 pg/L 11/17/2022 , _ SM 6200 C Bromomethane "< pg/�°l7L?p2',.,,. ° :M 200 C Carbon Tetrachloride < 0.5 5 pg/L 11/17/2022 , . SM 6200 C Chlorobenzene cO.S. `' ;"; ; 5; " pgjL 1/7/2p22;" SM 42Qa�C Chloroethane < o.5 5 . pg/L 11/17/2022 SM 6200 C Chioroforrp p,5 . 5 . 19/„L 11/17/21722,; Chloromethane < 0.5 5 pg/L 11/17/2022 SM 6200 C cfs-1,2-Diohloroethone .; < 0.5 5 Pg/L : 1i"1 17 20 2 " /,./.,�r�,,,.. ; ; `, SM,620q C cis-1,3-Dichloropropene < 0.5 5 ug/L 11/17/2022 , : SM 6200 C Dibromomethane < 0.5 5 pg/L 11/17/2022 SM 6200 C Dichlorodifluoromethane <.0.5 pg/L , ` ; " 11/r7/2g22 , ; SM,` 5 00 Ethylbenzene < 0.5 5 pg/L 11/17/2022 SM 6200 C Hexachlorobutadiene 5, " "" 5, ° "`" ws/�, : ; �i/�.7/zo2z Isopropyl benzene < 0.5 5 ug/L 11/17/2022 SM 6200 C M+P Xylere < 5.0, 1 pg/L 11/17/2022 ; S"M 6200 C ' Methylene chloride < 0.5 5 pg/L 11/17/2022 SM 6200 C The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 11 of 16 Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/13/2022 14:51 Notes and Definitions Item Definition C Total residual chlorine was present in sample upon receipt in the laboratory; value is estimated. Applies to BOD, NH3, TKN, and coliform. Clear Clear, apparent color of MW matrix at collection. Cloudy Cloudy, apparent color of MW matrix at collection. No Odor No apparent smell of MW matrix at collection. Dry Sample results reported on a dry weight basis. ND Analyte NOT DETECTED at or above the reporting limit. RPD Relative Percent Difference %REC Percent Recovery Source Sample that was matrix spiked or duplicated. The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document. No duplication of this report is allowed, except in its entirety. Page 13 of 16 yM; ANALYTICAL & CONSULTING CHEMISTS Environmental Chemists, 6602 Windmill Way, Wilmington, NC 28405 0 910.392.0223 Lab 11 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 a 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 11 910.347.5843 Lab/Fax infori;environmentalchemists.com Onslow Water & Sewer Authority Date of Report: Dec 01, 2022 228 Georgetown Road Customer PO M Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Report #: 2022-22761 Project ID: Northwest Reg. WRF Lab ID Sample ID: Collect Date/Time Matrix Sampled by 22-55922 Site: NW MW-1 11/15/2022 7:45 AM Water Mark Young Test Method Results Date Analyzed 1, 1, 1,2-Tetrachloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,1,1-Trichloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,1,2,2-Tetrachloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,1,2-Trichloroethane SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 1,1-Dichloroethane SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 1, 1 -Dichloroethene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,1-Dichloropropane SW 846 Method 826OD15030B <0.5 pg/L 11/17/2022 1,2,3-Trichlorobenzene SW 846 Method 6260D/5030B <0.5 pg/L 11/17/2022 1,2,3-Tiichooropropane SW 846 Method 82600/50308 <0.5 pg/L 11/17/2022 1,2,4-Trichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,2,4-Trimethylbenzene SW 846 Method 8260D15030B <0.5 pg/L 11/17/2022 1,2-Dibromo-3-Chloropropane SW 846 Method 8260D/5D30B <0.5 pg/L 11/17/2022 1,2-Dibromoethane SW 846 Method 8280D/5030B <0.5 pg/L 11/17/2022 1,2-Dichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,2-Dichloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,2-Dichloropropane SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 1,3,5-Trimethylbenzene SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 1,3-Dichlorobenzene SW 646 Method 826OD15030B <0.5 pg/L 11117/2022 1,3-Dichloropropane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 1,4-Dichlorobenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 2,2-Dichloropropane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 2-Chlorotoluene SW 846 Method 826OD15030B <0.5 pg/L 11/17/2022 4-Chlorotoluene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Benzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Bromobenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Bromochloromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Report #:: 2022-22761 Page 1 of 12 ANALYTICAL & CONSULTING CHEMISTS Onslow Water & Sewer Authority 228 Georgetown Road Jacksonville NC 28540 Attention: Todd Roberts Environmental Chemists, Inc. 6602 Windmill Way, Wilmington, NC 28405 11 910.392.0223 Lab 0 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 0 252.473.5702 Lab/Fax 255-A Wilmington Highway, Jacksonville, NC 28540 * 910.347.5843 Lab/Fax info(ii)etivironmentalchemists.com Date of Report: Dec 01, 2022 Customer PO M Customer ID: 08100092 Report #: 2022-22761 Project ID: Northwest Reg. WRF Trichloroethene SW 846 Method 8280D/5030B <0.5 pg/L 11/17/2022 Trichlorofluoromethane SW 846 Method 8260D15030B <0.5 pg/L 11/17/2022 Vinyl chloride SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Report #' 2022-22761 Page 3 of 12 Onmlow Water& Sewer Authority Date ofReport: Dec01.2022 22UGeorgetown Road Customer PO#: Jacksonville NC 28540 Customer ID: 08100002 Attention: Todd Roberts Rmpprt#t 2022-22761 Project ID: Northwest Reg. VVRF Bromoform owo4oMethod ocnomooaoa <O.Spg/L 11/17/2022 BromomaLhone owo4eMethod ae000aosoa <O.6pQ/L 11/17/2022 Carbon tetrachloride owo4nMethod 0000msu000 <0.5pg/L 11/17/2022 Ch|ornbanzano own4oMethod o2000aoona <0.5pg/L 11/17/2022 Ch|onoethane owomMethod oxeuoauaoo <0.5pg/L 11/17/2022 Chloroform avvo4aMethod mcuooa000e <0.5AQ/L 11/17/2022 Ch|oromethane ov»o4sMethod ou000eoona <0.5pg/L 11/17/2022 cis-1 2-Oioh/onoathena . mwn�omomouozeomsuooa <0.5pQ/L 11/17/2022 cis'1.3-D/ch/ompropene aw«4eMethod aco»msuaoe <0.5pg/L 11/17/2022 Dibnomonh/onomethana swu«oMethod ausooauxoa <0.5Ug/L 11/17/2022 O/bromumethane owm^oMethod ou000monoo <0.5pg/L 11/17/2022 0ioh|orodiMuonomethana om/8wuMethod aoeuoeo3oa <0.5Ug/L 11/17/2022 Ethy|benzene swn^oMethod a:«»omo»»a <0.5pg/L 11/17/2022 Hexach|nnobubsdiene owe^eMethod nusooaonna <0.5pg/L 11/17/2022 Isopropyl benzene nw«*uMethod ou«»mso»»o <0.5Ug/L 11/17/2022 yW+pXy|ane aw«*oMethod ou»«ms»»oo «1'Opg/L 11/17/2022 Methylene chloride aw»*aMethod »u«»m»oxoo <0.5pg/L 11/17/2022 Naphthalene owo4oMethod uuo»o/5«u»a <0.6pO/L 11/1772022 n-8uty(benzene »wu4oMethod ousuoan000 <0.5pg/L 11/17/2022 n-propy|benuone »w»mMethod »zs»oa»oou <0.5pg/L 11/17/3022 ortho-Xy|ene owo4eMethod eue»muo»«a «0.5pg/L 11/17/2022 p-|oopnopy|toluene awo*«Method »:e«om»a»a <0.5ug/L 11/17/2022 sec -Butyl benzene owo4mMethod »z«oom«uoo <8.5Ug/L 11/17/2022 Styrene »wu4mMethod »o«oms»o»o <0.5pg/L 11/17/2032 hart-Buh//benzene nwm»Method «ouoomunnu <0.5Vg/L 11/17/2022 TeLnech|onogthene own4nMethod ououomuxna <0.5pg/L 11/17/2022 Toluene owo*eMethod oe000munoo <0.5Ag/L 11/17/2022 Trans-1 2 �ioh/ono�theno , - awewowomounuuoom000e <0.5pQ/L 11/17/2022 Trans- 1.3'dich|onupnopana SIN »^nMethod eus«um«a»o <O.Spg/L 11/17/2022 Onslow Water& Sewer Date of Report: Dec O1.3022 228Georgetown Road Customer PO#: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Repprt#: 2022-22761 Project ID: Northwest Reg. VVRF Lab ID Sample ID: Collect Date/Time Matrix Sampled by Test Method Results Date Analyzed 1 1 1 �-Totnach/onoethone . . . awa^omempuoennmsnouo <U.BVg/L 11/17/2022 1 1'Trinh/oroethano . 1 . ov«o�awmm^unuuno�oona <O.Spg/L 11/17/2022 1, 1 22�Ta�nach|onuethona . . evvo�o�*mou000nomuuua <0.5pg/L 11/17/2022 1 1 2-Trich|onoeth�ne . . owo�owomnoououmonaoa <0.5pg/L 11/17/2022 1 1-Dich|oroethnna . avva^omemouoosu000aoo <O.Spg/L 11/17/2022 1 1-Oioh|oroa�hene , owo^ommxnuuusuua000a <0.5Vg/L 11/17/2022 1.1'Dich|onzpnopane aw«*«Method «naooan»oo <0.5pg/L 11/17/2022 1 23�Trioh|onobenzene . . ewa:owemnuox000a000n ^0.5 pg/L 11/17/2022 1.2.3-Tr/ch(onopnopane aw8wsMethod »os«mm»mo <O.GpQ/L 11/17/2022 1 24-Trich|orobenc�nm , . yvvo*uwemnunc000m0000 <0.5pg/L 11/17/2022 1.2.4-Thmethy|benzene »w*/eMethod »u«»oa»»«o <0.5pg/L 11/17/2022 1.2'Dibnzmo-3'Ch{onopropane mw»4oMethod uoe»omnooe <O.Spg/L 11/17/2022 1 2-D/bromoethono . awu�umemnunu000monoa <0.5pg/L 11/17/2022 1 �-Oioh|onmbanzena . uwo�owumuu0000msoano <0.5pQ/L 11/17/2023 1 2-Oich|oronthon� ^ owo*omemouoonooaoaoa <0.5pg/L 11/17/2022 1.2-Dich/onnpnopane own4*Method o»onom«o«a <0.5Ug/L 11/17/2022 1.3.5-Trimathy|banzene »w«4sMethod «as»oo»n»e <0.6pg/L 11/17/2022 1 3-Oiph|orobanzene . awo�u�emnua0000suoo� <0.5pg/L 11/17/2022 1.3-Dich|orop/opana »«v«*nMethod «uaoneoo»a ^0.5pg/L 11/17/2022 14'Dich|onobenzene . �wo�omemvno�sn0000no <0.6pQ/L 11/17/2022 2.2-Oich|oropropano »wn*»Method »m»nao»»a <0.5pg/L 11/17/2022 2-Ch|o,oto/uene ovvu^oMethod uoauom0000 «0.5pQ/L 11/17/2022 4-Ch|oroto|uane mwn*sMethod nzsooeoaoo «0.5pg/L 11/17X3022 Benzene owo4aMethod ouenoannno «0.5pg/L 11/17/2022 Bromobenzone mw8woMethod nuoum0000a <0.5pg/L 11/17/2022 8romoch|oromethana awo*sMethod au000moona <0.5pg/L 11/17/2022 Omalow Water & Sewer Authority Date ofReport: Dec01.2023 22OGeorgetown Road Customer PC»#z Jacksonville NC 28540 Customer ID: 08100092 Attention' Todd � Report#: 2022'22761 Project ID: Northwest Reg. VVRF Thuh|orofluonomathane Vinyl chloride mwe46 Method 826OD/5030B mw846 Method 82BOD15030B 11M7/2D22 M/17/2D22 ANALYTICAL & CONSULTING CHEMISTS Chemists,Environmental 6602 Windmill Way, Wilmington, NC 28405 " 910.392.0223 Lab 0 910.392.4424 Fax 710 Bowsertown Road, Manteo, NC 27954 0 252.473.5702 Lab/Fax 255-A Wilmington .Highway, Jacksonville, NC 28540 0 910.347.5843 Lab/Fax infbfii`environmentalchemists.com Onslow Water & Sewer Authority Date of Report: Dec 01, 2022 228 Georgetown Road Customer PO #: Jacksonville NC 28540 Customer ID: 08100092 Attention: Todd Roberts Report #: 2022-22761 Project ID: Northwest Reg. WRF Bromodichloromethane SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Bromoform SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Bromomethane SW 846 Method 826OD/50308 <0.5 pg/L 11/17/2022 Carbon tetrachloride SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Chlorobenzene SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Chloroethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Chloroform SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Chloromethane SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 cis- 1,2-Dichloroethene SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 cis-1,3-Dichloropropene SW 846 Method 6260D15030B <0.5 pg/L 11/17/2022 Dibromochloromethane SW 846 Method B260D/50308 <0.5 pg/L 11/17/2022 Dibromomethane SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 Dichlorodifluoromethane SW 846 Method 8260D/50308 <0.5 pg/L 11/17/2022 Ethylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Hexachlorobutadiene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 lsopropyl benzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 M+P Xylene SW 846 Method 8260D/5030B <1.0 pg/L 11/17/2022 Methylene chloride SW 846 Method 8260D15030B <0.5 pg/L 11/17/2022 Naphthalene SW 846 Method 82BOD/5030B <0.5 pg/L 11/17/2022 n-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 n-Propylbenzene SW 645 Method 8260D/6030B <0.5 pg/L 11/17/2022 ortho-Xylene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 p-Isopropyltoluene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 sec-Butylbenzene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Styrene SW 846 Method 826OD/5030B <0.5 pg/L 11/17/2022 tert-Butyl benzene SW 646 Method 8260D/50308 <0.5 pg/L 11/17/2022 Tetrachloroethene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Toluene SW 846 Method 82600/5030B <0.5 pg/L 11/17/2022 Trans-1,2-Dichloroethene SW 846 Method 8260D15030B <0.5 pg/L 11/17/2022 Trans-1,3-dichloropropene SW 846 Method 8260D/5030B <0.5 pg/L 11/17/2022 Report #:' 2022-22761 Page 11 of 12 Environmental Chemist, Inc., Wilmington, NC Lab #94 6602 Windmill Way Wilmington, NC 28405 Sample Receipt Checklist 910.392.0223 Client:_ Date: 1 ` 1 J Report Number: 2022- Receipt of sample: ❑ YES ❑ NO E EM Pickup Client Delivery ❑ UPS ❑ FedEx ❑ Other ❑ N/A ❑ 1. Were custody seals present on the cooler? YES Original ❑ NO temperature upon N/A 12 if custody seals were present, were they intact/unbroken? receipt °C Corrected temperature upon receipt °C How temperature taken: ❑ Temperature Blank Against Bottles IR Gun 1D: Thomas Traceable S/N 192511657 IR Gun Correction Factor °C: 0.0 YES YES ❑ NO ❑ 3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified? NO 4. Were proper custody procedures (relinquished/received) followed? YES ❑ NO 5. Were sample ID's listed on the COC? YES ❑ NO 6. Were samples ID's listed on sample containers? YES ❑ NO 7. Were collection date and time listed on the COC? YES ❑ NO B. Were tests to be performed listed on the COC? YES ❑ NO 9. Did samples arrive in proper containers for each test? YES ❑ NO 10. Did samples arrive in good condition for each test? YES ❑ NO 11. Was adequate sample volume available?' YES ❑ NO 12. Were samples received within proper holding time for requested tests? YES ❑ ❑ NO 13. Were acid preserved samples received at a pH of <2? YES ❑ NO 14. Were cyanide samples received at a pH >12? ❑ YES ❑ NO 15. Were sulfide samples received at a pH >9? ❑ YES ❑ YES ❑ NO ❑ 16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/I ** ❑ YES NO ❑ 17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/I NO 18. Were orthophosphate samples filtered in the field within 15 minutes? * TOC/Volatiles are pH checked at time of analysis and recorded on the benchsheet. ** Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchsheet. Sample Preservation: (Must be completed for any sample(s) incorrectly preserved or with headspace) Sample(s) were received incorrectly preserved and were adjusted accordingly by adding (circle one): H2SO4 HNO3 HCI NaOH Time of preservation: If more than one preservative is needed, notate in comments below Note: Notify customer service immediately for incorrectly preserved samples. Obtain a new sample or notify the state lab if directed to analyzed by the customer, Who was notified, date and time:_ Volatiles Sample(s) were received with headspace COMMENTS: DOC. QA.002 Rev 1