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HomeMy WebLinkAboutNCG030127_2023 DMR_20230803 August 3, 2023 DEQ Mooresville Regional Office Attn: DEMLR Stormwater Program 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Re: Stormwater Discharge Outfall Monitoring Report: July Monthly, 3rd Q 2023 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 Tier III monthly sampling event for JULY during the 3rd Q 2023 term 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, Gary Gray Environmental, Health a d 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 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. NCGO3 0127 Person Collecting Samples:James W.Willard II(INENCO,INC.) Facility Name:Granges Americas Inc. Laboratory Name: Pace Analytical Services,LLC Facility County: Rowan Laboratory Cert. No.: 12,40,381,37706,37712 Discharge during this period: JYes ❑No (if no,skip to signature and date) Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?QYes ❑No If so,which Tier(I,If,or III)? III A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR D Yes ❑No Date Uploaded: Analytical Monitoring Requirements for Outfalls with Industrial Activities-Benchmarks in(Red) Parameter Parameter Outfall I Outfall 3 Outfall Outfall Outfall Code N/A Receiving Stream Class Class C Class C N/A Date Sample Collected MM/DD/YYYY 07/24/2023 07/24/2023 46529 24-Hour Rainfall in inches 0.12 0.12 C0530 TSS in mg/L(100 or 50*) 4.8 26.0 00400 pH in standard units(6.0-9.0 FW, 7.57 7.54 6.8-8.5 SW) 01119 Copper,total recoverable in mg/L 0.0125 0.0097 (0.010 FW,0.0058 SW) Lead,total recoverable in mg/L 01051 <0.0010 0.0012 (0.075 FW,0.22 SW) Zinc,total recoverable in mg/L(0.126 01094 FW,0.095 SW) 0.0464 0.0618 00340 Chemical Oxygen Demand(COD)in 96.4 68.8 mg/L(120) 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 James W Willard II of INENCO, INC,North Carolina Field Services Certification# 5540i '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 responsib:e 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 informatio ncluding th ssibility of fines and imprisonment for knowing violations." 2 oG2 3 Signatur of ermittee or Delegated Authorized Individual Date'` / Ftcki( ( rAi 5cs ( 707-�O3'7-/S /- Email Address Phone Number