NCG020808_2024 DMR_20241018

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Uiscnarge Monitoring Report (UMR) form tor N00020000
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. NCG020808 Person Collecting Samples:N/A
Facility Name:Yancey Stone Company-Low Gap Quarry Laboratory Name:N/A
Facility County:Yancey Laboratory Cert. No.:N/A
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.deq.nc.gov/Forms/SW-DMR ❑® Yes ❑ No
Date Uploaded:
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/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)
C00334 Chromium III 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 of50 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):Site is setup in eDMR but has undergone personnel changes and has requested eDMR access(7/19/24).Site may have discharged due to Hurricane Helene,but was unable to take a sample.
"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 inf rmation,including the possibility of fines and imprisonment for knowing violations."
10/17/2024
Signature of Permittee or Delegated Authorized Individual Date
[e-mail] 706-339-0427
Email Address Phone Number

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