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HomeMy WebLinkAboutNCG030127_Monitoring Report_20211004September 29, 2021 DEC. Mooresville Regional Office Attn: DEMLR Stormwater Program 610 East Center Avenue, Suite 301 Mooresville, NC 28115 N ono Re: Stormwater Discharge Outfall Monitoring Report: SEPTEMBER Monthly, 3rd Q 2021 Granges Americas Inc. Rowan County General Permit NCG030000, Certificate of Coverage NCG030127 Dear Stormwater Permitting Unit; We respectfully submit the enclosed original signed copy of the Stormwater Discharge Outfall Monitoring Report (DMR) for the Granges Americas Inc. facility under General Permit Number NCG030000, Certificate of Coverage Number NCG030127. This submission serves as the monthly sampling event for SEPTEMBER, and for 3rd Q 2021(July—September) as outlined in our stormwater permit. We will continue monthly sampling until three consecutive sample results are below the benchmark values or within benchmark range as described in our permit. If you have any questions or comments regarding this Stormwater Discharge Outfall Monitoring Report (DMR) submission, please contact us at your convenience. Sincerely, Jessica Moggridge Environmental, Health and Safety Manager Granges Americas Inc. Enclosures: Stormwater Discharge Outfall Monitoring Report (DMR) NCDEQ Division of Energy, Mineral and Land Resources Stormwater Discharge Monitoring Report (DMR) Form for NCG030000 Metal Fabrication Click here for instructions Complete, sign, scan and submit the DMR via the within 30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DEMLR Regional Office. Certificate of Coverage No. NCG03 0127 Person Collecting Samples: Ryan R. Osborne (INENCO, INC.) Facility Name: Granges Americas Inc. Laboratory Name: Pace Analytical Services, LLC Facility County: Rowan Laboratory Cert. No.: 12, 40, 37706, & 37712 Discharge during this period: + Yes No (if no, skip to signature and date) Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? + Yes LjNo If so, which Tier (I, II, or III)? A copy of this DMR has been uploaded electronically via https://edocs.deg.nc.gov/Forms/SW-DMR + Yes No Date Uploaded: 09/29/2021 Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red) Parameter Parameter Outfalll Outfall3 Outfall Outfall Outfall Code N/A Receiving Stream Class Class C Class C N/A Date Sample Collected MM/DD/YYYY 09/08/2021 09/08/2021 46529 24-Hour Rainfall in inches 0.16 0.16 C0530 TSS in mg/L (100 or 50*) 5.6 11.7 PH in standard units (6.0-9.0 FW, 00400 6.8-8.5 SW) 6.80 7.35 Copper, total recoverable in mg/L 01119 (0.010 FW, 0.0058 SW) 0.0104 0.0114 — Lead, total recoverable in mg/ L OSO51 (0.075 FW, 0.22 SW < 0.0050 < 0.0050 Zinc, total recoverable in mg/ L (0.126 01094 FW, 0.095 SW) 0 .0884 0.1170 Chemical Oxygen Demand (COD) in 00340 mg/L (120) 60.8 37.5 00552 Non -Polar Oil & Grease in mg/L (15) < 4.9 < 4.9 * Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HOW), Trout Waters (Tr) and Primary Nursery Areas (PNA) have a benchmark TSS limit of 50 mg/L. All other water classifications have a benchmark of 100 mg/L FW (Freshwater) SW (Saltwater) Notes (optional): pH sample collected and analyzed by Ryan R. Osborne of INENCO, INC., North Carolina Field Services Certification "I certify by my signature below, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." Signature of Pennittee or Delegated Authorized Individual Nemi.Dogan@Granges.com Email Address -0i29 /.202 Date 731-234-5635 Phone Number