NCG140167_DMR_Wastewater_20200929

PROCESS WASTEWATER — Quarterly Discharge Monitoring Repor ECFI , r. .
GENERAL PERMIT NO. NCG140000 SEP 2 9 2020
CERTIFICATE OF COVERAGE NO, NCG14±2 J_10_,i SAMPLE COLLECTION YEAR: ca DeAO
FACILITY NAME: A ikaczS IZeq�ti, ivt:X SAMPLE QUARTER: EJuI-Sept ❑Oct-Dec Dan-March ❑April-June
PERSON COLLECTING SAMPLES: 1:>4.sot1.1 72.10-1-k6eane COUNTY: F01141+1^
CERTIFIED LABORATORY: eaPt•li4c4•islq-1:cn` Lab# "I y
PHONE NO.(33(o) 742iS'-/57.5
Lab# ADD TO LISTSERVE? DYES ONO EMAIL: I
LIMIT VIOLATIONS? YES ❑ NO E DISCHARGING TO CLASS: ❑SA ❑HQW DPNA ❑Trout ❑Other '
• OPTIONAL INFO:
Part A:Wastewater Monitoring Requirements
TPH using
Date Sample Total Suspended Settleable Discharge -
Outfall No. Collected) Type of Wastewater pH method 1664A Total Flow
Solids Solids Duration
(mm/dd/yr) (VE,RM,MD)Z (standard) (mg/L) (mL/L) SGT--NE (minutes) (gallons/day)
(mg/L))
- - - 6-93'4 303.s 53 - (15)6 -
I b'S �11ao r1A , 4,c- 4 0.1 /QM Y3 .017)$13
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'If wastewater systems have not discharged in'thls quarter—report"No Flow"or"No Discharge"here.Please make sure to mark the sample quarter above.
• Z Report the abbreviation for the type of Authorized Wastewater Discharges here:Vehicle and Equipment Cleaning(VE),Raw Material Stockpiles(RM};'Mixing Drum
Cleanout(MD).Report more than one type if the waste-stream is commingled. •
31f an effluent limit is exceeded twice in a row,the permittee is required to institute monthly monitoring for that parameter for six months,unless DW t RO staff
notifies you to continue monitoring. •
4 pH limits are 6-9 S.U.for wastewater discharges to freshwaters,and 6.8-8.5 S.U.for discharges to saltwaters. ,;:,
S T5S limits are 20 mg/L for wastewater discharges to HQW waters,10 mg/L for Trout and PNA waters,and 30 mg/L for all other water classifications,;;;
Permit Date:7/1/2010-06/30/2015 Last Revised 07/13/11
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6 Process wastewater discharges shall only be monitored forTN-I when commingled with stormwater discharges from VMA areas.TPH does not have alimit for wastewater,
but instead is subject to benchmarks and provisions of Part IV,Section A,including the Tiered Response Action.
Flow rate can be measured continuously or calculated. Flow limits for wastewater discharges to HOW waters shall be set to 50%of the Summer 76.0 Flow as per 15A
NCAC 02B.0224.Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10.flow and report this information to DWQ. If the'j?ermittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location,the permittee shall notify DWQ,and the DWQ Regional Office may require an annual flow
report on a case-by-case basis.
•
MAIL:ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY(INCLUDING ALL"NO FLOW","NO DISCHARGE")WITHIN 30 DAYS OF RECEIPT OF SAMPLE(OR
AT END OF MONITORING PERIOD IN CASE OF"NO FLOW")TO:
Division of Water Quality
Attn: DWQ Central Files
1617 Mall Service Center
Raleigh, North Carolina 27699-1617
[phone]
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YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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." •
•
(Signat re of P mittee) (Date) •
Permit Date:7/1/2010-06/30/2015 ;;Last Revised 07/13/11
Page 2 of 2

r RESEARCh NAi icy rReport of Analysis
r
` '` ' LA OR/ATORU � p MC 9/14/2020
totittit)io
911�LYT�r�4For: Ready Mixed Concrete Company (Williamson) �.4 ••'_�'•••..• �`I�1590 Williamson Street t
Winston-Salem, NC 27107 ..cc .... ° cnS
: tq NC 184 ZS • is
Attn: Danny Rathbone t. = NC#37701 ._
•*i;�� AS
ED AN��'40
Client Sample ID: 1-6239 Lab Sample ID: 86791-01
Site: Ready Mixed Concrete Collection Date: 8/31/2020 13:50
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
pH SM 4500 H+B-2011 7.2 Std. Units 8/31/2020 1358
Settleable Matter SM 2540 F-2011 <0.1 ml/I 0.1 AW 9/1/2020 0800
Total Suspended Solids SM 2450 D-2011 <5 mg/L 5 AW 9/1/2020
NA =not analyzed
O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel [phone] Fax [phone] www.randalabs.corn Page 1