NCG140218_2022 DMR_20220526

NCDEQ Division of Energy, Mineral and Land Resources
Wastewater Discharge Monitoring Report (DMR) Form for NCG140000
Ready -Mix Concrete
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. NCG140218
Person Collecting Samples: S nTerra, Zach Garlick
Facility Name: Thomas Concrete of Carolina — Durham Plant
Laboratory Name: Pace Analytical
Facility County: Durham
Laboratory Cert. No.: ENV 375
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)? Tier
A copy of this DMR has been uploaded electronically via https://edocs.deg.iic.gov/Forms/SW-DMR ✓❑ Yes ❑ No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Effluent Limits in (Red)
Parameter
Parameter
Outfa11001
Outfall
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
WS-V;NSW
N/A
Date Sample Collected MM/DD/YYYY
04/25/2022
82220
Daily Flow Rate in cfs (50% of 7Q10
0.38
for HQW/ORW)
COS30
TSS in mg/L (30, 20, or 10*)
6.6
00400
pH in standard units (6.0-9.0
6.38
freshwater, 6.8-8.5 saltwater)
00545
Settleable Solids in HOW, ORW, SA,
N/A
SB, Tr & PNA (S mL/L)
Non -Polar Oil & Grease in mg/L (N/A,
005S2
but samples above 15 require tiered
<1.22
responses)
* Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HOW) have a TSS limit of 20 mg/L, outfalls to Trout Waters (Tr) and
Primary Nursery Areas (PNA) have a TSS limit of 10 mg/L. All other water classifications have a benchmark of 30 mg/L.
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 jn',,4
tem, or those persons directly responsible for gathering the information, the information
submitted is, to th best of my knowledge and belltrue, accurate, and complete. I am aware that there are significant penalties for submitting
false informatio�cluding the possibility Oesimprisonment for knowing violations."
Signatu`re,6f Permittee or DeregateclAuWrized Individual
S�123 LZ'l
Date
Email Address [e-mail] Phone Number 919-832-0451