NCG140078_DMR_20220405

PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT No. NCG140000
1 QTR
CERTIFICATE OF COVERAGE NO. NCG14 0 0 % 8 FACILITY NAME: chandler ConcretePiedmont -MaFIA�i(P900ED
PERSON COLLECTING SAMPLES:
CERTIFIED LABORATORY:Pace Analytical Lab #633 ��Y O ZOIL
LIMIT VIOLATIONS? YES ❑ NO
CENTRAL FILES
DWR SECTION
F' Orig - State
0 Copy - State
0 Copy - Plant
0 Copy - File
SAMPLE COLLECTION YEAR: 2022
SAMPLE QUARTER: ®Jan -March []April -June ❑Jul -Sept ❑Oct -Dec
COUNTY: ROCKINGHAM
PHONE NO. [phone]
ADD TO LISTSERVE7.❑YES ®NO EMAIL:
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: C
OPTIONAL INFO:
a rt A: Wastewater
k
Monitoring Requirements
Non -Polar
Date Sample
Suspended
TotType
Settleable
Oil&Grease
Discharge
Total Flow
Collected
of Wastewater
pal
H
Solids
Solids
using method
Duration
(gallons/day)
Outfat No.
(VE, RM, MD)z
(standard)
(mg
(mL/L)
16645GT-HEM6
(minutes)
(mm/dd/yr)
(mg/L)
6-934
303.5
53
(15)6
1
NO FLOW
VE RM MD
--
--
N A
N/A
-
N/A
No Discharge this Period -
h I
uarter above
' If wastewater systems have not discharged in this quarter —report "No Flow" or "No Discharge here. Please make sure to mar t e samp e q
2 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-
31 f ed to institute monthly monitoring for that parameter for six months, unless DEMLR RO staff notifies you to
an effluent limit is exceeded twice in a row, the permittee is requir
continue monitoring.
4 pH limits are 6-9 S.U. forwastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saltwaters.
'TSS limits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/1-for Trout and PNA waters, and 30 mg/Lfor all other water classifications.
6 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas. TPH does not have a limit for wastewater, but instead is subject to
benchmarksand provisions of Part IV, Section A, includingthe Tiered Response Action.
' Flow rate can be measured continuously or calculated. Flow limits for wastewater discharges to HQW waters shall be set to 50%of the Summer 7Q10 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 DEMLR_ If the permittee cannot obtain a Summer 7Q10 flow for the receiving waters at the
discharge location, the permittee shall notify DEMLR, and the DEMLR Regional Office may require an annual flow report on a case -by -case basis.
Last Revised 07/27/17
Permit Date:8/1/2017-06/30/2022 Page 1 of2

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