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Home My WebLink AboutNCG020610_2023 DMR_20230728 NCDEQ 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. Mail the original,signed hard copy of the DMR to the appropriate DEMLR Regional Office. Certificate of Coverage No. NCGO2 0610 Person Collecting Samples:MM Staff Facility Name:Weldon Quarry II Laboratory Name:Pace Analytical Services Facility County:Halifax Laboratory Cert. No.:633 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 No If so,which Tier(I, II,or III)? A copy of this DMR has been uploaded electronically via https://edocs.dep.nc.gov/Forms/SW-DMR s ❑ No Date Uploaded: )1))? Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red) Parameter Parameter Outfall Outfall Outfall Outfall Outfall Code N/A Receiving Stream Class C C C N/A Date Sample Collected MM/DD/YYYY 46529 24-Hour Rainfall in inches 00545 Settleable Solids(SS) (0.1 mg/i) C0530 TSS in mg/L(100 or 50*) 00070 Turbidity of discharge** Turbidity downstream of discharge** Turbidity upstream of discharge** Additional 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 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 SW) 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 Zinc,total(as Zn)in mg/L(0.126 FW, 0.095 SW) 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) CO0334 Chromium Ill in mg/L(0.905 FW, I A SW) 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 TSS 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)SW(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 pers, who manage the system,or those persons directly responsible for gathering the information,the information mi , the best of my k wled belief,true,acc __.t_ and complete.I am aware that there are significant penalties for submitting false inform n,includi he po sib ity o fines imprisonment f.'knowing violations." 7/24/2023 Signature of - -ittee o D ated A horized ,s: Date phillip.pressley@martinmarietta.c.-4 (919) 783-4505 Email Address Phone Number 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. NCGO2 610 Person Collecting Samples: Facility Name:Weldon Quarry II Laboratory Name:Pace Analytical Services Facility County:Halifax Laboratory Cert. No.:633 Discharge during this period:❑Y No (if no,skip to signature and date) Has your facility implemented mandator ier response actions this sample period for any benchmark exceedanc s? No If so,which Tier(I, II,or III)? • A copy of this DMR has been uploaded electronically via https://edocs.ded.nc.gov/Forms/SW-DMR Yes ❑ No Date Uploaded: Analytical Monitoring Requirements for Outfalls with Industrial Activities—Monthly Average Effluent Limits in(Mile),Daily Maximum Effluent Limits in(Red) Parameter Code Parameter Outfall Outfall Outfall Outfall Outfall N/A Receiving Stream Class C N/A Date Sample Collected MM/DD/YYYY 00400 pH(6.0-9.0 FW,6.8-8.5 SW) C0530 TSS in mg/L(2S,20,or 10 a)(45,30, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 15 a) 00070 Turbidity of discharge b Turbidity downstream of discharge b Turbidity upstream of discharge b 00545 Settleable Solids in mg/L(0.1),(0.2)c Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 31616 Fecal Coliform d 61211 Enterococcuse Daily Flow Rate in cfs(50%of 7Q10) 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 i1.095 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 Rh SW)(0.34 FW,n/a SW) 01002 Arsenic,total in mg/L(0.15 FW,0.,S9 Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW)(0.15 FW,0.069 SW) C0034 Chromium III in mg/L P40.117 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)(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 CO034 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 Lithium Ore Mines 01105 Aluminum,total in mg/L( .30 F'."tt, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 0.24 SW)(0.75 FW,0.24 SW) 00951 Fluoride,total in mg/L((v.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily C0034 Chromium III in mg/L(0.117 llW,n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW)(0.905 FW,n/a SW) Additional parameters for Phosphate Mines 00951 Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 39344 Alpha,Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily Additional parameters for Industrial Sand Mines 00951 Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily CO0334 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) 39344 Alpha,Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily a)Outfalls to Outstanding Resource Waters(ORW)and High Quality Waters(HQW)have a Monthly Average Effluent Limit for TSS of 20 mg/Q. and a Daily Maximum Effluent Limit of 30 mg/L.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 15 mg/L.Industrial Sand and Phosphate mines discharging to all other water classification have a Monthly Average Effluent Limit for TSS of 25 rng/L and a Daily Maximum Effluent Limit of 45 mg/L. b)See H-5 of the NCG020000 General Permit for turbidity requirements. c)Only outfalls to HQW,ORW,SA,SB,PNA,or Tr waters are required to monitor for Settleable Solids. d)Only outfalls to SA waters are required to monitor for Fecal Coliform e)Only outfalls to SA,SB,and SC waters are required to monitor for Enterococcus FW(Freshwater)SW(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 bmitte s,t the best of my kno age an rue,accurate,and co .I am aware that there are significant penalties for submitting fall in t n,including the ssibi ity of fines a dim 'sonment for kn g violations." 7/24/2023 Signature of rmitt or Delegated Authoriz d Individual Date phillip.pres @martinmarietta.co Email Address Phone Number