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HomeMy WebLinkAboutNCG030127_2021 DMR_20210305February 16, 2021 DEQ Mooresville Regional Office Attn: DEMLR Stormwater Program 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Re: Stormwater Discharge Outfall Monitoring Report: Y3 P1, 2021, January Tier II Monthly 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 sample period Year 3, Period 1, 2021, January Tier 11 monthly sampling, 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, Ronnie Britt, MS, CSP & CHMM Environmental, Health and Safety Manager Granges Americas Inc. Enclosures: Stormwater Discharge Outfall Monitoring Report (DMR) NCDEQ Division of Energy, Mineral and Land Resources Storrrrvuater Discharge Monitoring Report (DMR) Form for NCG030000 Metal Fabrication Click here for instructions Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring; Report (DMR) Upload form 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 0 1 2 7 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: U Yes H No (if no, skip to signature and date) Has your facility implemented mandatory Tier response actions for any benchmark exceedances? no Yes ❑ No if so, which Tier (I, il, or Ill)? II Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red) Parameter parameter Outfall 1 Outfall 3 Outfall Outfall Outfall Code N/A Receiving Stream Class Class C Class C N/A Date Sample Collected MM/DD/YYYY 01/25/2021 01/25/2021 46529 24-Hour Rainfall in inches 0,46 0.46 00552 Non -Polar Oil & Grease in mg/L (15) < 5.0 < 5.0 C0530 TSS in mg/L (100 or 50*) 32.6 325 00400 pH in standard units (6.0 — 9.0) 7.04 6.99 NCOIL New Motor/Hydraulic Oil Usage in NA NA gal/month 01119 Copper, total recoverable in mg/L 0.0104 0.0666 (0.010 FW, 0.005 SW) 01051 Lead, total recoverable in mg/ L C 0.0050 0.0207 (0.075 FW, 0.220 SW) 01094 Zinc, total recoverable in mg/ L (0,126 0.0682 0.3660 FW, 0,095 SW) 78141 Total Toxic Organics (TTO) in mg/L(l) NA NA * Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and primary Nursery Areas (PNA) have a benchmark TSS limit of 50 rng/i.. Ail other water classifications have a benchmark of 100 mg/L. Notes (optional): pH sample collected and analyzed by Ryan R. Osborne of INENC3, INC., North Carc;t na Field Services Cettification #. 5541 "I certify by my signature below, under penalty of law, that this document and ail 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 Permittee or Delegated Authorized Individual ,� / .2.3 r )- Date