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HomeMy WebLinkAboutNCG020231_2022 DMR_20220719NCDEQ Division of Energy, Mineral and Land Resources Stormwater Discharge Monitoring Report (DMR) Form for NCG020000 Active and Inactive Mining Sites 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. Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red) Parameter Code Parameter Outfall Outfall Outfall Outfall Outfall N/A Receiving Stream Class N/A Date Sample Collected MM/DD/YYYY 46529 24-Hour Rainfall in inches 00545 Settleable Solids (SS) (0.1 mg/1) C0530 TSS in mg/L (100 or 50*) 00070 Turbidity of discharge" - Turbidity downstream of discharge" - Turbidity upstream of discharge" Additionai parameters for outfalls in drainage areas that use >55 gallons per month of new hydraulic oil on average NCOIL Estimated New Motor/Hydraulic oil Usage in gal/month 00552 1 Non -Polar Oil & Grease in mg/L (15) Additional parameters for Clay Mines 01105 Aluminum, total in mg/L (0.75 FW, 0.24 SW) 01092 Zinc, total (as Zn) in mg/L (0.126 FW, 0.095 SW) 00951 Fluoride, total in mg/L (6.0) 00900 Hardness, total 00400 pH, in standard units (6.0-9.0 FW, 6.8-8.5 5W) 01097 Antimony, total in mg/L (0.34 FW, N/A SW) 01002 Arsenic, total in mg/L (0.15 FW, 0.069 SW) C0034 Chromium III in mg/L (0.905 FW, N/A SW) Additional parameters for Feldspar Ore Mines 01105 Aluminum, total in mg/L (0.75 FW, 0.24 SW) 01092 --TZinc, total (as Zn) in mg/L (0.126 FW, 0.095 SWI 00951 Fluoride, total in mg/L (6.0) Additional parameters for Lithium Ore Mines 01105 Aluminum, total in mg/L (0.75 FW, 0.24 SW) 00951 Fluoride, total in mg/L (6.0) Additional parameters for Phosphate Mines 00951 Fluoride, total in mg/L (6.0) 39344 Alpha, Gross Particle Activity Additional parameters for Industrial Sand Mines 00951 Fluoride, total in mg/L (6.0) C00334 Chromium III in mg/L (0.905 FW, N/A 5W) 39344 Alpha, Gross Particle Activity * Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA) have a benchmark T5S limit of 50 mg/L. All other water classifications have a benchmark of 100 mg/L ** See F-5 of the NCG020000 General Permit for turbidity requirements. FW (Freshwater) 5W (Saltwater) Notes (optional): "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." 7/19/2022 Signaof Permittee or Delegated Authorized Individual Date jconner@hedrickind.com 8287129009 Email Address Phone Number