NCG020094_2023 DMR_20230724

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 0094 Person Collecting Samples:MM Staff
Facility Name:Lemon Springs Quarry Laboratory Name:Pace Analytical Services
Facility County:Lee 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.deo.nc.gov/Forms/SW-DMR --_ es ❑ No
Date Uploaded:
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(0.757W,
0.24 SW)
01092 Zinc,total(as Zn)in mg/L(0.126 FW,
0.0S5 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)
Arsenic,total in mg/L(0.15 FW,0.069
01002 SW)
C0034 Chromium III in mg/L 1 ,905 F'\fib,1/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)
C00334 Chromium III in mg/L(0.905 Fes,.',ii/A I
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 SO 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)Slit,(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
s ' to the best of my k owledge and belief,true,accura •mplete.I am aware that there are significant penalties for submitting
false inform on,including e p ssibilit of in d imprison s nowing violations."
/ — . 7/24/2023
Signature of P ittee or e egated Aut orized Indiv al — Date
phillip.pressley@martinmarietta.c®m `\\ [phone]
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 94 Person Collecting Samples:MM Staff
Facility Name:Lemon Springs Quarry Laboratory Name:Pace Analytical Services
Facility County:Lee Laboratory Cert. No.:633
Discharge during this period: Yes ❑ No (if no,skip to signature and date)
Has your facility implemented m ndatory Tier response actions this sample period for any benchmark exceedances?❑Yes
No
If so,which Tier(I, II,or Ill)?
A copy of this DMR has been uploaded electronically via https://edocs.ded.nc.gov/Forms/SW-DMR es ❑
No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Monthly Average Effluent Limits in( lace),Daily
Maximum Effluent Limits in(Red)
Parameter Parameter Outfall Outfall Outfall Outfall Outfall
Code
N/A Receiving Stream Class C
N/A Date Sample Collected MM/DD/YYYY 6/2/2023
00400 pH(6.0-9.0 FW,6.8-8.5 SW) 8.3
TSS in mg/L Q25,10,or 10 a)(45,30, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
C0530 15 a) 2.7
00070 Turbidity of discharge b 4
Turbidity downstream of discharge b
Turbidity upstream of discharge b
Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
00545 Settleable Solids in mg/L(0.1),(0.2)c
31616 Fecal Coliform
61211 Enterococcus
Daily Flow Rate in cfs(50%of 7Q10) 0.81
Additional parameters for Clay Mines
Aluminum,total in mg/L(0.30 F , Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
01105 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
1.095 SW)(0.126 FW,0.095 SW)
Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
00951
00900 Hardness,total
Antimony,total in mg/L(0.341 FFA9, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
01097 no/a S )(0.34 FW,n/a SW)
Arsenic,total in mg/L( .15 F&f29,0.069 Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
01002 SW)(0.15 FW,0.069 SW)
Chromium Ill in mg/L(0.117 F€ ,rn/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
C0034 SW)(0.905 FW,n/a SW)
Additional parameters for Feldspar Ore Mines
01105 Aluminum,total in mg/L(0.30 Avg Daily ' Avg Daily Avg Daily Avg Daily Avg Daily
6.24 SW)(0.75 FW,0.24 SW)
01092 Zinc,total(as Zn)in mg/L(1.126 taw, 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.t)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
CO034 Chromium Ill in mg/L(0.117 FW,Oa 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(0.30 FW, 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(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
CO034 Chromium Ill 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 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(6.1)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
CO0334 Chromium Ill in mg/L(0.117 SW,fn/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
SL 1)(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/2
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 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 person or persons who manage the system,or those persons directly responsible for gathering the information,the information
mitted is o the best of my kno dge and b e,accurate omplete.I am aware that there are significant penalties for submitting
fals info 'on,including the ossibi ity of fi es a d imp isonme or knowing violations."
7/24/2023
Signature of P m tee or Del gated Authoriz Indivi al Date
phillip.pres [e-mail]
Email Address Phone Number