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Home My WebLink AboutNCG020330_2022 DMR_20220712 (2)NCDEQ Division of Energy, Mineral and Land Resources Wastewater 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. Certificate of Coverage No. NCG02 0330 Person Collecting Samples: J. Cassada, ECT, Inc. Facility Name: 3M Pittsboro Laboratory Name: Pace Labs Facility County: Chatham Laboratory Cert. No.: 633 Discharge during this period: Yes 11 No (if no, skip to signature and date) Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Yes No If so, which Tier (I, II, or III)? Tier 1 A copy of this DMR has been uploaded electronically via https://edocs.deg.nc.gov/Forms/SW-DMR 7 Yes ONo Date Uploaded: 7/12/2022 Analytical Monitoring Requirements for Outfalls with Industrial Activities —Monthly Average Effluent Limits in (Blur), Daily Maximum Effluent Limits in Parameter Code Parameter Outfall003 Outfall Outfall Outfall Outfall N/A Receiving Stream Class Class C N/A Date Sample Collected MM/DD/YYYY 5/27/2022 00400 pH ,.0-9.0 FW, 6.8-8.5 SW, 8.1 C0530 TSS in mg/L (25, 20, or 10 a) (45, 30, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 17.5 00070 Turbidity of discharge 30.1 - Turbidity downstream of discharge N/A - Turbidity upstream of discharge N/A 00545 Settleable Solids in mg/L (0.1), (0.2)` Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily ND 31616 Fecal Coliform N/A 61211 Enterococcus N/A - Daily Flow Rate in cfs (50% of 7Q10) 0.95 Additional parameters for Clay Mines 01105 Aluminum, total in mg/L (0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 0.24 SW) (0.75 FW, 0.24 SW) 01092 Zinc, total (as Zn) in mg/L (0.126 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 0.095 SW) (0.126 FW, 0.095 SW) 00951 Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00900 Hardness, total 01097 Antimony, total in mg/L (0.34 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily n/a SW) (0.34 FW, n/a SW) 01002 Arsenic, total in mg/L (0.15 FW, 0.069 Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW) (0 69 SW) C0034 Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW) (0.905 FW, n/a SW) Additional parameters for Feldspar Ore Mines 01105 Aluminum, total in mg/L (0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 0.24 SW) (' 24 SW) 01092 Zinc, total (as Zn) in mg/L (0.126 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 0.095 SW) (0.126 FW, 0.095 SW) 00951 Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily Additional parameters for Lithium Ore Mines Aluminum, total in mg/L (0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01105 0,24524SW) Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 Additional parameters for Phosphate Mines Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 Alpha, Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 39344 Additional parameters for Industrial Sand Mines Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily C00334 SW) (0.905 FW, n/a SW) Alpha, Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 39344 Outfalls to Outstanding Resource Waters (ORW) and High Quality Waters (HQW) have a Monthly Average Effluent Limit for TSS of 20 mg/L and a Daily Maximum Effluent Limit of . Outfalls to Trout Waters (Tr) and Primary Nursery Areas (PNA) have a Monthly Average Effluent Limit for TSS of 10 mg/L and a Daily Maximum Effluent Limit of Industrial Sand and Phosphate mines discharging to all other water classification have a Monthly Average Effluent Limit for TSS of 25 mgJL and a Daily Maximum Effluent Limit of See H-5 of the NCG020000 General Permit for turbidity requirements. Only outfalls to HQW, ORW, SA, SB, PNA, or Tr waters are required to monitor for Settleable Solids. Only outfalls to SA waters are required to monitor for Fecal Coliform Only outfalls to SA, SB, and SC waters are required to monitor for Enterococcus (Freshwater) • (Saltwater) Notes (optional): Tier 1 notification sent via email to diane.adams@ncdenr.gov 771 "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." t Alec-//' Signature of Permittee or Delegated Authorized Individual dhasan2@mmm.com Email Address 2 Z Date 919.642.4010 Phone Number