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HomeMy WebLinkAboutWQ0034367_Monitoring - 11-2023_20231221 (3)Monitoring Report Submittal Permit Number#* W00034367 Name of Facility:* Onslow Water and Sewer Authority - Northwest Regional Water Reclamation Facility Month: * November Year: * 2023 Report Information Type* Upload Document* GW-59 NWRWRF GW59 W00034367 Nov 2023.pdf PDF Only 8.67 M B 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 Jones Signature: t'-t tf fAwv Date of submittal: 12/21/2023 This will be filled in automatically Initial Review Reviewer: Wanda.Gerald Is the project number correct?* W00034367 Is the monitoring report accepted?* Yes NO Regional Office* Wilmington Reviewer: _anonymous Review Date: 1/9/2024 SUBMIT FORM ON YELLOW PAPER ONLY GROUNDWATER QUALITY MONITORING: COMPLIANCE REPORT FORM INFORMATION Please Print Clearly or Type 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 Eastside Basin A No. of wells to be sampled: 4 DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT 1617 MAIL SERVICE CENTER, RALEIGH, INC 27699-1617 Phone: 919-807-6306 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 0 Other: High Rate Infiltration WELL ID NUMBER (from Permit): MW-1 Date sample collected: 11/14/2023 FIELD ANALYSES: Well Depth: 22.5 ft. Well Diameter: 3 in. pH 00400: 6.8 units Temp. 000lc 19 °C Depth to Water Level 82546: 9' 6" ft. below measuring point Screened Interval: 7 ft. to 22.5 ft. Spec. Cond. 00094: µMhos Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Odor 00085: No Volume of water pumped/bailed before sampling: 5 gallons Appearance Cloudy Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: ❑ YES ❑ NO LABORATORY INFORMATION Date sample analyzed: 11/14/23 - 11/16/23 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 01051 ug/L Coliform: MF Fecal 31616 <1.00 /100mL Nitrate (NO3) as N 00620 <0.250 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL is: Total as P 00665 32.7 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids. -Total 70300 457 mg/L Al -Aluminum 01105 mg/L pH (Lab) 00403 6.79 units Ba - Barium 01007 ug/L TOC 00680 3.87 mg/L Ca - Calcium 00916 mg/L Chloride 00940 47.6 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? N Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC 7873 method # SM 6200C Total Ammonia 00610 0.628 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 # For Remediation Systems Only (Attach Lab Reports): Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal% Seth Brown - Treatment Facilities Administrator Permittee (or Authorized Agent) Name and Title - Please print or type GW-59 Rev.8/2013 of Permittee (or Authorized Aqent) (Date) If WELL WAS DRY at time of sampling, check here:❑ SUBMIT FORM ON YELLOW PAPER ONLY GROUNDWATER QUALITY MONITORING: • . DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT COMPLIANCE REPORT FORM • • • • 1617 MAIL SERVICE CENTER, RALEIGH, INC 27699-1617 Phone: 919-807-6306 FACILITY INFORMATION Please Print Clearly or Type PERMIT Number: Expiration Date: 2-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 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: 11/14/2023 FIELD ANALYSES: WAS Well Depth: 22.5 ft. Well Diameter: 3 in. pH 00400: 6.87 units Temp. 000io 19 °C DRY at Depth to Water Level 82546 12 ft. below measuring point 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 o0085: 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: ❑ YES ❑ NO LABORATORY INFORMATION Date sample analyzed 11/14/20 - 11/16/23 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 01051 u9 /L Coliform: MF Fecal 31616 <1.00 /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 6.12 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 372 mg/L Al - Aluminum 01105 mg/L pH (Lab) 00403 6.87 units Ba - Barium 01007 ug/L TOC 00680 4.91 mg/L Ca - Calcium oo9i6 mg/L Chloride 00940 16.8 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? 0 Yes (1) ❑ No (0) Specific Conductance 00095 µMhos K - Potassium 00937 mg/L VOC 7873 method # SM 6200C Total Ammonia 00610 0.813 mg/L Mg - Magnesium 00927 mg/L method # (Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total) Mn - Manganese of b55 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% Seth Brown - Treatment Facilities Administrator Permittee (or Authorized Aqent) Name and Title - Please print or type GW-59 Rev. 8/2013 SUBMIT FORM ON YELLOW PAPER ONLY Mail . . DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES I GROUNDWATER QUALITY MONITORING: DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT COMPLIANCE REPORT FORM 1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: 919-807-6306 or Type 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 0 Other: High Rate Infiltration SAMPLING INFORMATION WELL ID NUMBER (from Permit): MW-3 Date sample collected: 11/14/2023 FIELD ANALYSES: Well Depth: 22.0 ft. Well Diameter: 3 in. pH 00400: 7.1 units Temp. 00010 20 °C Depth to Water Level 82546 12 ft. below measuring point Screened Interval: 7 ft. to 22.0 ft. Spec. Cond. 00094: µMhos Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Odor 00085: None Volume of water pumped/bailed before sampling: 5 gallons Appearance cloudy Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: ❑ YES ❑ NO LABORATORY INFORMATION Date sample analyzed 11/14/23 - 11/16/23 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 01051 ug/L Coliform: MF Fecal 31616 <1.00 /100mL Nitrate (NO3) as N 00620 1.04 mg/L Zn - Zinc 01092 mg/L Coliform: MF Total 31504 /100mL Phosphorus: Total as P 00665 8.4 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 281 mg/L Al -Aluminum 01105 mg/L pH (Lab) 00403 7.11 units Ba - Barium 01007 ug/L TOC o0680 9.88 mg/L Ca - Calcium 00916 mg/L Chloride 00940 5.45 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; NH3asN; 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% Seth Brown - Treatment Facilities Administrator ��r'—� 3 Permittee (or Authorized Aqent) Name and Title - Please print or type Siqnature of Permittee (or Authorized Aqent) (Date) GW-59 Rev.8/2013 If WELL DRY at time of sampling, check here: El SUBMIT FORM ON YELLOW PAPER ONLY GROUNDWATER QUALITY MONITORING: • DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT COMPLIANCE REPORT FORM • • 1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: 919-807.6306 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 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 ■ Other: High Rate Infiltration from Permit SAMPLING INFORMATION If WELL WELL ID NUMBER (from Permit): MW-4 Date sample collected: 11/14/2023 FIELD ANALYSES: WAS Well Depth: 22.0 ft. Well Diameter: 3 in. pH 0040o: 7.17 units Temp. 000lo 20 oC DRY at Depth to Water Level 82546 10 ft. below measuring point Screened Interval: 7 ft. to 22.0 ft. Spec. Cond. 00094: µMhos time of Measuring Point is 3' ft. above land surface Relative M.P. Elevation: ft. Odor 00085: None sampling, check Volume of water pumped/bailed before sampling: 5 gallons Appearance Clear here:❑ Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: ❑ YES ❑ NO LABORATORY INFORMATION Date sample analyzed 7/25/23 - 7/27/23 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 01051 ug/L Coliform: MF Fecal 31616 <1.00 /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 0.284 mg/L (Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other (Specify Compounds and Concentration Units): issolved Solids:Total 70300 356 mg/L Al - Aluminum 01105 mg/L pH (Lab) 00403 7.17 units Ba - Barium 01007 ug/L TOC 00680 3.02 mg/L Ca - Calcium 00916 mg/L Chloride 00940 16.1 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? 0 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; NH3asN; 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% Seth Brown - Treatment Facilities Administrator Permittee (or Authorized Aqent) Name and Title - Please print or type Siqnature of Permittee (or Authorized Aqent) (Date) GW-59 Rev.8/2013 GW-59A COMPLIANCE REPORT FORM Permit # WQ0034367 (Submit one each monitoring period with Gf 59 forms.) Enter date monitoring results were due. (November 2023) Will this monitoring report (GW-59 and GW-59A) YES be submitted after the established due date? 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. 3 I Are any of the monitor wells in need of repair or maintenance (damaged casing, unlocked or missing can. mi.ccing V1 c identitication plate, area overgrown, etc.)? If the answer is "Yes", contact the Regional Office for guidance. 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: 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? N/A 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? YES NO N/A 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 YES NO groundwater quality problem? N/A 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 subiect the permittee to a Notice of Violation fines. and/or Penalties. N/A 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 the provided at top of the current GW-59 form. I 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. Signature of Permittee (or Authorized Agent) Date GW-59A 12/8/2003 ONWASA December 08, 2023 Mark Young Northwest RWRF 189 Mills Field Rd. Richlands, NC 28574 RE: NW Compliance MW Triennial November ONWASA Laboratory 228 Georgetown Road Jacksonville NC 28540 (910) 389-8511 Enclosed are the results of analyses for samples received by our laboratory on 11/14/2023. If you have any questions concerning this report, please feel free to contact me. Sincerely, 4 �t Todd A. Roberts For Mark Young Northwest ORC 4 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results Sample: NW Effluent Composite N234603-01 (WW) 11/14/2023 09:00 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Biological Oxygen Demand <2.00 C 2.00 mg/L 11/20/2023 DMN SM 5210 B Chloride 49.2 5.00 mg/L 11/15/2023 DMN SM 4500 CLDE-E Chemical Oxygen Demand 18.0 20.0 mg/L 11/14/2023 DMN Hach 8000 Chlorine 0.0500 0.0500 mg/L 11/14/2023 PP SM 4500 Cl G Temperature 3.20 0.00 deg C 11/14/2023 PP SM 2550 B Conductivity 661 US/cm 11/14/2023 DMN SM 2510 B Alkalinity, CaCO3 295 20.0 mg/L 11/14/2023 DMN EPA 310.1 Ammonia-N 1.94 0.500 mg/L 11/15/2023 DMK EPA 350.1 Nitrate 5.67 0.250 mg/L 11/14/2023 DMK EPA 353.2 Nitrate+Nitrite-Nitrogen 5.71 0.250 mg/L 11/14/2023 DMK EPA 353.2 Total Phosphorus 2.65 0.250 mg/L 11/16/2023 DMK EPA 365.1 Total Dissolved Solids 454 2.50 mg/L 11/15/2023 DMN SM 2540 C Total I(jeldahl Nitrogen 2.16 1.00 mg/L 11/16/2023 DMN Hach 10242 Total Nitrogen 7.87 1.25 mg/L 11/16/2023 DMN [CALC] Total Suspended Solids <2.50 2.50 mg/L 11/14/2023 DMN SM 2540 D Sample: NW Effluent Grab N234603-02 (WW) 11/14/2023 09:15 001 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Fecal Coliform <1.00 1.00 MPN/100ml 11/15/2023 DMN Colilert 9223 B Chlorine 0.300 0.0500 mg/L 11/14/2023 PP SM 4500 CIG PH 7.31 0.100 pH Units 11/14/2023 PP SM 4500 H B Temperature 18.0 0.00 deg C 11/14/2023 PP SM 2550 B Sample: NW MW 1 N234603-03 (WW) 11/14/2023 07:42 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Chloride 47.6 5.00 mg/L 11/15/2023 DMN SM 4500 CLDE-E Fecal Coliform <1.00 1.00 #/loom] 11/15/2023 DMN SM 9222 D (MF) Color YES Tan 1.00 NA 11/14/2023 RR Field Mtd Field Depth 9.60 Ft 11/14/2023 RR Field Mtd PH 6.79 0.100 pH Units 11/14/2023 RR SM 4500 H B Odor NO No Odor 1.00 NA 11/14/2023 RR Field Mtd Temperature 19.0 0.00 deg C 11/14/2023 RR SM 2550 B Ammonia-N 0.628 0.500 mg/L 11/15/2023 DMK EPA 350.1 Nitrate <0.250 0.250 mg/L 11/15/2023 DMK EPA 353.2 Total Phosphorus 32.7 0.250 mg/L 11/16/2023 DMK EPA 365.1 Total Dissolved Solids 457 2.50 mg/L 11/15/2023 DMN SM 2540 C Total Organic Carbon 3.87 0.500 mg/L 11/15/2023 DMN SM 5310 C The contents of this report apply to the sample(s) analyzed in acmrdanre wish the drain ofcustody document No duplication of this report is allowed, except in its entirety. Page 2 of 15 t. ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Sample: NW MW 2 N234603-04 (WW) 11/14/2023 08:12 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method w. " Fecal Coliform 1b.B 5.00 mg/L 11/15/2023 DMN SM 4500 CLDE-E <1.00 1.00 #110Dmi 11/15/2023 DMN SM 9222 D (MF) Color MW matrix at collection. 1.00 NA 11/14/2023 RR Field Mtd Field Depth 11.5 Ft 11/14/2023 RR Field Mtd PH 6.87 0.100 pH Units 11/14/2023 RR SM 4500 H B Odor NO No Odor 1.00 NA 11/14/2023 RR Field Mtd Temperature 19.0 0.00 deg C 11/14/2023 RR SM 2550 B Ammonia-N 0.813 0.500 mg/L 11/15/2023 DMK EPA 350.1 Nitrate <0.250 0.250 mg/L 11/15/2023 DMK EPA 353.2 Total Phosphorus 6.12 0.250 mg/L 11/16/2023 DMK EPA 365.1 Total Dissolved Solids 372 2.50 mg/L 11/15/2023 DMN SM 2540 C Total Organic Carbon 4.91 0.500 mg/L 11/15/2023 DMN SM 5310 C Sample: NW MW 3 N234603-05 (WW) 11/14/2023 08:33 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method -'" Fecal Coliform b.4, 5.00 mg/L 11/15/2023 DMN SM 4500 CLDE-E Color <1.00 1.00 #/loom] 11/15/2023 DMN SM 9222 D (MF) YES Tan 1.00 NA 11/14/2023 RR Field Mtd Field Depth 12.0 Ft 11/14/2023 RR Field Mtd PH Odor 7.11 0.100 pH Units 11/14/2023 RR SM 4500 H B NO No Odor 1.00 NA 11/14/2023 RR Field Mtd Temperature 20.0 0.00 deg C 11/14/2023 RR SM 2550 B Ammonia-N <0.500 0.500 mg/L 11/15/2023 DMK EPA 350.1 Nitrate 1.04 0.250 mg/L 11/15/2023 DMK EPA 353.2 Total Phosphorus 8.40 0.250 mg/L 11/16/2023 DMK EPA 365.1 Total Dissolved Solids 281 2.50 mg/L 11/15/2023 DMN SM 2540 C Total Organic Carbon 9.88 0.500 mg/L 11/15/2023 DMN SM 5310 C The contents of this report apply to the sample(s) analyzed in acmrdance with the chain ofcuslody document. Noduplication ofthisreportisallowed, exceptinitsentrety. Page 3 of 15 4 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Sample: NW MW 4 N234603-06 (WW) 11/14/2023 08:53 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Chloride 16.1 5.00 mg/L 11/15/2023 DMN SM 4500 CLDE-E Fecal Coliform <1.00 1.00 #/100mi 11/15/2023 DMN SM 9222 D (MF) Color NO Clear 1.00 NA 11/14/2023 RR Field Mtd Field Depth 10.0 Ft 11/14/2023 RR Field Mtd pH 7•17 0.100 pH Units 11/14/2023 RR SM 4500 H B Odor NO No Odor 1.00 NA 11/14/2023 RR Field Mtd Temperature 20.0 0.00 deg C 11/14/2023 RR SM 2550 B Ammonla-N <0.500 0.500 mg/L 11/15/2023 DMK EPA 350.1 Nitrate <0.250 0.250 mg/L 11/15/2023 DMK EPA 353.2 Total Phosphorus 0.284 0.250 mg/L 11/16/2023 DMK EPA 365.1 Total Dissolved Solids 356 2.50 mg/L 11/15/2023 DMN SM 2540 C Total Organic Carbon 3.02 0.500 mg/L 11/15/2023 DMN SM 5310 C Sample Results Data Analyzed by: Environmental Chemists, Inc. The wnten ts of this report apply to the sampWs) analyzed in accodance wIM the chain of custody document. No duplication of dais report is allowed, except in & entirety. Page 4 of 15 4ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 1 N234603-03 (WW) 11/14/2023 07:42 Analyte Result Qual Reporting Limit Units Date Analyzed Analyst Initials Method 1,1,1,2-Tetrachloroethane < 0.5 0.5 1,1,1-Trichloroethane pg/L 11/16/2023 SM 6200 C 1,1,2,2-Tetrachloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2-Trichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichlorapropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichloropropane, HAA IS < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1, 2,4-Trimethyl benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromo-3-chloropropane (DBCP) < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromoethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3,5-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,4-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 4-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromodichloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromoform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Carbon Tetrachloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dichlorodinuoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Ethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Hexachlorobutadiene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Isopropylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C M+P Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Methylene chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents ofthis report apply to the sample(s) analyzed in accordance witli the chain ofcustody document. No duplication of this reportis allowed exrnpt in its entirety. Page 5 of 15 4 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: tichlands, INC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW i (Continued) N234603-03 (WW) 11/14/2023 07:42 Analyte Result Qual Reporting Limit Units Date Analyzed Analyst Initials Method Naphthalene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Propylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C ortho-Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C p-Isopropyltoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C sec-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Styrene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C tert-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tetrachloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Toluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichlorofluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Vinyl Chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents of this report apply to the sample(s) analyzed in accordance wRh the chain ofcustody document No duplication ofthisreportisallowed , except in& entirety. Page 6 of 15 c. ONWASA Vorthwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: 2ichlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 2 N234603-04 (WW) 11/14/2023 08:12 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method 1.1 t 7-Tchrarhlnrrorh�..o 1,1,1-Trichloroethane ` U.3 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2,2-Tetrachloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2-Trichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichloropropane, HAA IS < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromo-3-chloropropane (DBCP) < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromoethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3,5-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,4-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2-Chlorotoluene < 0.5 0.5 pg/L 11/16f2023 SM 6200 C 4-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromodichloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromoform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Carbon Tetrachloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dichlorodifluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Ethylbenzene < 0.5 0.5 Pg/L 11/16/2023 SM 6200 C Hexachlorobutadiene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Isopropylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C M+P Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Methylene chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents ofthis report apply to the samples) analyzed in acrordanre w1m the chain ofcuslcdy document No duplication of this report is allowed; except in its entrety. Page 7 of 15 C� ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 2 (Continued) N234603-04 (WW) 11/14/2023 08:12 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method Naphthalene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Propylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C ortho-Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C p-isopropyltoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C sec-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Styrene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C tert-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tetrachloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Toluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tdchloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichlorofluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Vinyl Chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document No dupliotlon of this report is allowed atrept in its entirety, Page 8 of 15 C� ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: tichlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 3 N234603-05 (WW) 11/14/2023 08:33 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method 1 1 1 -r -.,.. 1,1,1-Trichloroethane < e'� 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2,2-Tetrachloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2-Trichloroethane < 0.5 0.5 1,1-Dichloroethane pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichloropropane, HAA IS < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromo-3-chloropropane (DBCP) < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromoethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3,5-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,4-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 4-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromodichloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromoform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Carbon Tetrachloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis- 1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dichlorodifluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Ethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Hexachlorobutadiene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Isopropylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C M+P Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Methylene chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents of this report apply to the sampWs) analyzed in acrordance with the chain ofcustody document. No duplication ofthis reportis allowed, exreptin & entirety. Page 9 of 15 C46 ONWASA Vorthwest RWRF Project: NW Compliance MW Triennial November L89 Mills Field Rd. Project Number: Reported: tichlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 3 (Continued) N234603-05 (WW) 11/14/2023 08:33 Analyte Result Qual Reporting Limit Units Date Analyzed Analyst Initials Method Naphthalene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Propylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C ortho-Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C p-Isopropyltoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C sec-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Styrene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C tert-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tetrachloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Toluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tdchlorofluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Vinyl Chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents of this npportapply to the sampk(s) anatyred in acrordanre with the dhain ofcustody document. No duplication of this report is allowed, except in its entirety. Page 10 of IS Co ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 4 N234603-06 (WW) 11/14/2023 08:53 Reporting Date Analyst Analyte Result Qual Limit Units Analyzed Initials Method 7.1.1 J-Tatrarhinrrwrhvnc 1,1,1-Trichloroethane ` U.3 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2,2-Tetrachloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1,2-Trichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloraethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,1-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,3-Trichloropropane, HAA IS < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2,4-Trichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1, 2,4-Trimethyl benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromo-3-chloropropane (DBCP) < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dibromoethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3,5-Trimethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,3-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 1,4-Dichlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2,2-Dichloropropane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 2-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C 4-Chlorotoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Benzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromodichlommethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromoform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Bromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Carbon Tetrachloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chlorobenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloroform < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Chloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis-1,2-Dichloraethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C cis- 1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromochloromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dibromomethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Dichlorodifluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Ethylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Hexachlorobutadiene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Isopropylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C M+P Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Methylene chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents of this report apply to the sampl(s) analyzed in accordance wi& the chain of custody document. No duplication ofthis report is allowed, except in its entirety. Page 11 of 15 c. ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 Sample Results (Continued) Data Analyzed by: Environmental Chemists, Inc. Sample: NW MW 4 (Continued) N234603-06 (WW) 11/14/2023 08:53 Reporting Date Analyst Analyte Result Qua[ Limit Units Analyzed Initials Method Napntnaiene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C n-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200-C n-Propylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C ortho-Xylene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C p-Isopropyltoluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C sec-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Styrene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C tert-Butylbenzene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Tetrachloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Toluene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,2-Dichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C trans-1,3-Dichloropropene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichloroethene < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Trichlorofluoromethane < 0.5 0.5 pg/L 11/16/2023 SM 6200 C Vinyl Chloride < 0.5 0.5 pg/L 11/16/2023 SM 6200 C The contents oftliis report apply to the sampWs) analyzed In accordance with the drain ofcustvdy document. Nodu#Xation ofthisreportIsallowed, exreptin &enbrety. Page 12 of 15 C41 ONWASA Northwest RWRF Project: NW Compliance MW Triennial November 189 Mills Field Rd. Project Number: Reported: Richlands, NC 28574 Project Manager: Mark Young 12/08/2023 15:17 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. ]3 The sample matrix interfered with the ability to make any accurate determination. No Odor No apparent smell of MW matrix at collection. Tan Tan, apparent color 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. fie contents of this report apply to the samples) analyze! in accordance wiUi the chain of custody documrnt Na duplication ofthis report is allowed, except in its entfrW.. Page 13 of 15 y j ( A ONWASALaboratory 01 K.tier 228 Georgetown Road Jacksonville, North Carolina 28540 Northwest RWRF NW Compliance MW Triennial November .Client Contact Project Number Mark Young (none) Address Project Description 189 Mills Field Rd. Cry PO Number Richlands State/Zip Shipped By NC, 28574 _ Phone/Fax Tracking Number (910) 937-7570 / Sampler Randal Riggs Sampler Signature Ac� CHAIN OF CUSTODY Phone: (910) 389-8511 Fax: (910) 455-5607 .t Pap _of 1 COC Number Lab Work Order Number I�Ifl�h�m�ll�Itl9� N234603 v7 F-11 Rush requests subject to additions p 3 charge. F n'i S .� Rush requests subject to lab O Z 2 II O m approval. r S j tm U O = t o 0 z + m h 3 C Standard (days) O E ^ nY W 10 � rrn �- p Expedited (days) Sri = o v a — CD O n C Z O rn 0 Due Date reserva on e { Sample Name or Feld ID NW Effluent Composite NW Effluent Grab NW MW 1 NW MW 2 Sampled Date 11/14/2023 11/14/2023 11/14/2023 11/14/2023 Sampled Time o°jeo 6 :t-i V amp a I ype Code C G G G f0affix Code WW WW GW GW Lontainer Count 2 1 7 7 P:A 1 0 0 0 P:A 0 0 1 1 P::B 1 0 0 0 P::C 0 1 1 1 P::B 0 0 1 1 G::G 0 0 2 2 G::B 0 0 2 2 731 9Wp 0, o Sample Comments C smell/color/depth U NW MW 3 NW MW 4 11/14/2023 11/14/2023 `' ' G G GW GW 7 7 0 0 1 1 0 0 1 1 1 1 2 2 2 2 , /( 7,/7 0 Cll r26� - /'V --'`� 1 AQ Af Le79,2, ID Relinquished By Date/rime i�Received By Datefrime / ,/ 14-Nov-23 %/ /+! /l: d u rli� // ` ��1 Relinquished By Datetrime Recelved By Date/Time Comments �1�421rvC� C ✓�9i li�� b 50 T Relinquished By Date/Time Received By Date/Time Cooler Numbers and Temperatures A/ ` 7. 0 Receive Temp: -C pH: <� 2�— Intials: F 0 Matrix Lodes: GW=GW,W W=W W Preserv. Codes: A=Cool 6 degC,B=Cool 6 degC H2SO4 <2 pH,C--0,000a% Na2S203,G=Cool 6 deg C-1:1 HCl •._��._.r._uT_...__i...:- �__.r_�_. _„rcc.n.-.i.ew....,-�_��cc mCP_„nc._ai_.._,c,n�