NCG140001_2023 DMR_20230530

LIMIT VIOLATION DISCHARGE MONITORING REPORT (DMR) — WASTEWATER
SUBMIT TO REGIONAL OFFICE*
General Permit No. NCG140000
*Use this form if any wastewater samples have EXCEEDED A WASTEWATER LIMIT for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG140001
Facility Name: Thomas Concrete of Carolina - Raleigh Plant Sample Collection Period: Qtr 1 n Qtr 2 X❑ Qtr 3 ❑ Qtr 4 ❑Calendar Year_2023_
County: Wake If Monthly Monitoring:
Phone Number: [phone] Person Collecting Samples: SynTerra, Sophie Backhouse
Certified Laboratory: Pace Analytical Lab # ENV 375
Lab #
Discharge to HQW or ORW waters? Yes ❑ No
Discharge to SA waters? Yes No L Discharge to Tr (Trout) waters? Yes No L
Discharge to SB or PNA waters? Yes ❑ No ® If HQW, what is the 7Q10 flow rate? or Tidal, 7Q10 not available ❑
Wastewater Monitoring Requirements
Date Sample Daily Flow pH, Total Suspended Settleable Non-Polar O&G (EPA Method 1664
Outfall Collected Rate, cfs SU Solids (TSS), mg/I Solids, (SGT-HEM)), mg/I
No. ml/1
if applicable
Standard
HOW or ORW freshwater 30 HQW,ORW,SA,SB,PNA,or
mo/dd/yr 50% of 7Q10 6.0-9.0 HQW any Trout No Limit
or "NO FLOW" Indicate NO FLOW if saltwater 20 5 p
Sam les above Benchmark
applicable 6.8-8 5 HQW/ORW and Tr,or PNA subject to Tiered Responses
10 15
001 5/18/23 0.06 8.83 56.6 N/A 0.95
Permit Date 8/1/2017—6/30/2022 Last Revised 8-22-2017
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Certificate of Coverage No. NCG140001
Wastewater Monitoring Requirements
Date Sample Daily Flow pH, Total Suspended Settleable Non-Polar O&G (EPA Method 1664
Outfall Collected Rate, cfs SU Solids (TSS), mg/I Solids, (SGT-HEM)), mg/I
No. ml/I
if applicable
Standard
HOW or ORW freshwater 30 HQW,ORW,SA,SB,PNA,or
mo/dd/yr 50% of 7Q10 6.0-9.0 HQW any Trout- No Limit
or "NO FLOW" Indicate NO FLOW if saltwater 20 5 Samples above Benchmark
applicable 6 $_$ 5 HQW/ORW and Tr,or PNA subject to Tiered Responses
10 15
Permit Date 8/1/2017—6/30/2022 Last Revised 8-22-2017
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Certificate of Coverage No. NCG140001
CERTIFICATION
"I certify, 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." Required by 40 CFR§122 22]
Signature
Date 5 0
Mail Limit Violation DMR to Your DEMLR Regional Office Land Quality Section:
ASHEVILLE REGIONAL OFFICE FAYETTEVILLE REGIONAL OFFICE MOORESVILLE REGIONAL OFFICE
2090 US Highway 70 225 Green Street 610 East Center Avenue/Suite 301
Swannanoa,NC 28778 Systel Building Suite 714 Mooresville,NC 28115
[phone] Fayetteville,NC 28301-5043 [phone]
[phone]
RALEIGH REGIONAL OFFICE WASHINGTON REGIONAL OFFICE WILMINGTON REGIONAL OFFICE
3800 Barrett Drive 943 Washington Square Mall 127 Cardinal Drive Extension
Raleigh,NC 27609 Washington,NC 27889 Wilmington,NC 28405-2845
[phone] [phone] [phone]
WINSTON-SALEM REGIONAL CENTRAL OFFICE
OFFICE Win . .Is11W
450 Hanes Mill Road,Suite 300 Questions for The Central Office
Winston-Salem,NC 27103 Stormwater Permitting Program?
[phone]
[phone]
7-1 11 121101140
tor, -ngion
Permit Date 8/1/2017—6/30/2022 Last Revised 8 22 2017
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