NCG020974_2022 DMR_20220725

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. NCG020974
Person Collecting Samples: Jim Wiggins
Facility Name: The Grit Pit Mine
Laboratory Name: Pace Analytical
Facility County: Northampton
Laboratory Cert. No.: 37738
Discharge during this period:
0
Yes] No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions
If so, which Tier (1, II, or III)?
this sample -period for any benchmark exceedances? QYes [D No
A copy of this DMR has been uploaded electronically via https://edocs,deg,nc,gov/Forms/SW-DMR
Date Uploaded: 7/25/22
Yes No
Analytical Monitoring Requirements for Outfalls with Industrial Activities— Benchmarks in (Red)
Parameter
Parameter
Outfall001
Outfall002
Outfall003
Outfal1004
Outfall005
Code
N/A
Receiving Stream Class
N/A
Date Sample Collected MM/DD/YYYY
46529
24-Hour Rainfall in inches
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
Estimated New Motor/Hydraulic Oil
NCOIL
Usage in gal/month
00552
Non -Polar Oil & Grease in mg/L (15)
Additional parameters for Clay Mines
Aluminum, total in mg/L (0.75 FW,
01105
0.24 SW)
Zinc, total (as Zn) in mg/L (0,126 FW,
01092
0.095 SW)
00951
Fluoride, total in mg/L (6.0)
00900
Hardness, total
pH, in standard units (6,0-9.0 FW,
00400
6.8-8.5 SW)
Antimony, total in mg/L (0.34 FW,
01097
N/A SW)
Arsenic, total in mg/L (0.15 FW, 0.069
01002
SW)
Chromium III in mg/L (0.90S FW, N/A
C0034
SW)
Additional parameters for Feldspar Ore Mines
Aluminum, total in mg/L (0.75 FW,
01105
0.24 SW)
Zinc, total (as Zn) in mg/L (0.126 FW,
01092
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 T5S 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): No discharge for Q2 2022
"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."
of Permittee or
egated Authorized Individual
July 21, 2022
Date
[e-mail] 252-287-9790
Email Address Phone Number