NCG140445_2021 DMR_20210809

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. NCG140445
Person Collecting Samples: A. Culpepper
Facility Name: Muirhead Distribution Center (MDC)
Laboratory Name: Enthalpy Analytical
Facility County: Durham
Laboratory Cert. No.: 495
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 httt sf/edocs.deci.nc.iZov/Forms/SW-DMR ✓❑ Yes ❑ No
Date Uploaded: 8/9/2021
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Effluent Limits in (Red)
Parameter
Code
Parameter
Outfall 001
Outfall
Outfall
Outfall
Outfall
N/A
Receiving Stream Class
WS-IV;NSW
N/A
Date Sample Collected MM/DD/YYYY
07/08/2021
Daily Flow Rate in cfs (50% of 7Q10
82220
for HQW/ORW)
NA
C0530
TSS in mg/L (30, 20, or 10*)
7.2
00400
pH in standard units (6.0-9.0
8.85
freshwater, 6.8-8.5 saltwater)
00545
Settleable Solids in HOW, ORW, SA,
ND
SB, Tr & PNA (5 mL/L)
Non -Polar Oil & Grease in mg/L (N/A,
00552
but samples above 15 require tiered
ND
responses)
* Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW) 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
accord ce with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my
inqui f the person or ersons who manage the system, or those persons directly responsible for gathering the information, the information
sub i t is, to the be of knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting
fal i rmation, inc diyg I�j possibility of fines and imprisonment for knowing violations."
8/9/2021
Authorized Individual Date
Email Address [e-mail] Phone Number 919-747-6400