NCG140328_2022 DMR_20220718

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. NCG14 0328 Person Collecting Samples: A Culpepper
Facility Name: North Raleigh Concrete Laboratory Name: Enthalpy Labs
Facility County: Wake 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.,)sl/edocs.deg. nc,gov/FormsjSW-DMK ✓❑ Yes ❑ No
Date Uploaded: 07/18/2022
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Effluent Limits in (Red)
Parameter
Parameter
Outfall 001
Outfall
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
C; NSW
N/A
Date Sample Collected MM/DD/YYYY
06/23/2022
Daily Flow Rate in cfs (50% of 7Q10
82220
for HQW/ORW)
NA
C0530
TSS in mg/L (30, 20, or 10*)
9.6
00400
pH in standard units (6.0-9.0
8.32
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 30 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 assur that qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the -son or persons who ma a the system, or those persons directly responsible for gathering the information, the information
submitted i , to th st of my know) a and ief, true, accurate, and complete. I am aware that there are significant penalties for submitting
false info atio Wcluding the pos ' ility o nes and imprisonment for knowing violations."
of Permittee or
Individual
07/18/2022
Date
Email Address [e-mail] Phone Number 919-747-6400