NCG020169_2023 DMR_20230426

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. NCG020169 Person Collecting Samples: Dave Stine
Facility Name: Denver Quarry Laboratory Name: Pace Analytical
Facility County: Lincoln Laboratory Cert.No.: NC#'s 40&663
Discharge during this period: Yes 1Q 2Q 3Q 4Q
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?If so,which Tier(I,
II,or III)? Yes No
X
A copy of this DMR has been uploaded electronically via https://edocs.dea.nc.gov/Forms/SW-DMR
Yes No
Date Uploaded: April 26,2023
X
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Monthly Average Effluent Limits in(Blur.,Daily Maximum Effluent
Limits in(Red)
Parameter
Code Parameter 1Q Outfall#1 2Q Outfall#1 3Q Outfall#1 4Q Outfall#1 Outfall#
N/A Receiving Stream Class Class C Class C Class C Class C
N/A Date Sample Collected MM/DD/YYYY 3/15/2023
00400 pH(6.0-9.0 FW,6.8-8.5 SW) 6.7
C0530 TSS in mg/L(25,20,or 10 a)(45,30,15 a) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
46.4
00070 Turbidity of discharge b 40.4
Turbidity downstream of discharge b
Turbidity upstream of discharge b
00545 Settleable Solids in mg/L(0.1),(0.2)` Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
<0.10
31616 Fecal Coliform d
61211 Enterococcus
Daily Flow Rate in cfs(50%of 7Q10) 0.44
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,0.095 Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
SW1(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)(0.15 FW,0.069 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,0.24 SW) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
(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
Additional parameters for Lithium Ore Mines
01105 Aluminum,total in mg/L(0.30 FW,0.24 St Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
(0.75 FW.0.24 S W 1
00951 Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily

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
C00334 Chromium Ill in mg/L(0.117 FW,n/a SW) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
(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/L 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 mg/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 FApril 26,2023 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
"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 a nri imnricnnmPnf fnr knnvoina vinlafinnc
- 4/24/2023
Signature of Permittee or Delegated Authorized Individual Date
[e-mail] 704-409-1475
Email Address Phone Numbe

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 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. NCG020169 Person Collecting Samples: Dave Stine
Facility Denver Quarry Laboratory Name: Pace Analytical
Facility Lincoln Laboratory Cert.No.: NC#'s 40&663
Discharge during this period: No 1Q 2Q 3Q 4Q
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?If so,which
Tier(I,II,or III)? Yes No
X
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR
Date Uploaded: April 26,2023 Yes No
X
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red)
Parameter
Code Parameter SW Outfall SW Outfall SW Outfall SW Outfall
N/A Receiving Stream Class Class C Class C Class C Class C
N/A Date Sample Collected MM/DD/YYYY
46529 24-Hour Rainfall in inches
CO530 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,
01092 Zinc,total(as Zn)in mg/L(0.126 FW,
00951 Fluoride,total in mg/L(6.0)
00900 Hardness,total
00400 pH,in standard units(6.0-9.0 FW,
01097 Antimony,total in mg/L(0.34 FW,N/A
01002 Arsenic,total in mg/L(0.15 FW,0.069
C0034 Chromium III in mg/L(0.905 FW,N/A
Additional parameters for Feldspar Ore Mines
01105 Aluminum,total in mg/L(0.75 FW,
01092 Zinc,total(as Zn)in mg/L(0.126 FW,
00951 Fluoride,total in mg/L(6.0)
Additional parameters for Lithium Ore Mines
01105 Aluminum,total in mg/L(0.75 FW,
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 Ill in mg/L(0.905 FW,N/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 No Discharges
"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 po«IhiIity of fina<and Irnnri<nnrn nt fnr knr ing violations."
4/26/2023
Signature of Permittee or Delegated Authorized Individual Date
[e-mail] 704-409-1475
Email Address Phone Numbe