NCG140170_MONITORING INFO_20190210

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STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/vC� J� U !i�
DOC TYPE
❑HISTORICAL FILE
I% MONITORING REPORTS
DOC DATE
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STORMWATERDISCNARGE==OUTFAt#tr'(SD.Q) -_Semi:-Annual MO:NITORING�FRM:_
GENERAL PERMIT NO..NCG,14000'0'_:_
CERTIFICATE OF COVERAGE NO:'NCG14 0f`f O SAMPLE COLLECTION YEAR: oROO
FACILITY NAME: I� p.\ SAMP-LING"PERIOD: ❑'July -December January -June
PERSON COLLECTING SA!!M-�PLES i. �it1 ` r COUNTY'_ _ iysx
CERTIFIED LABORATORY K �eero}�ac4�.�r+ "' PHONE'NO. (3Zi IS
Jl�i Lab #'. 3 '
Lab # " ADD TO,.LISTSERVE? ]YES ❑NO EMAIL:. - =
OPTIONAL INFO:- _. DISCHARGING TO_CLASS: ❑SA ❑HQW ❑PNA, ❑Trout ❑Other
Part A: Stormwater Monitoring Requirements
.Outfall No.
Date Sample
Collected
(mo/dd/yr OR
t
NOFCOW)
pH
(Standard
.Units) ....
T5S
- �
(mg/L)_ .'
Event
Duration-:--
(minutes] ..:.:..
Total
a
-Rainfall.---
_: ` (in) .
In Ticr..
Monthly
..
Monitoring?
(y/n):_._.:..
# of Months in Tier
.: Z... =
2 Sampling.
.
r^.,
rFILEZ
-
.
If "NO FLOW" or "NO DISCHARGE Enter "NO FLOW" or."NO
DISCHARGE" far each outfall here. Please.make.sure to mark
the sample period above.
2If a value Is in excess of the benchmark, or outside-the-benchmark..range (for pki), you must implement the Tier.1 orTier 2 responses in the General Permit. T9_e_ r 2 .
Monthly sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range.
a TSS benchmark values are 100 mg/I, except when discharging to 0RW, HQW,.Trout, and P N A waters where, they are 50.mg/I.
° For each sampled measurable.storm event the total precipitation must be recorded using data from an on -site rain gauge.
Permit Date-.7/1/2011-60/30/2015 '_Last Revised 7/13/11
-`, Page 1 of 2

Part B: Vehicle Maintenance Activity;Monitoring,Requirement!�-for facilitiesusing> 55 gal,af new motor oil/month —averaged over a calendar.year.
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HAS YOUR FACILITY -HAD 4OR MORE BENCHMARK EXCEEDENCES AT ANY -ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)?' YES NO
HAVE YOU CONTACTED THE.REGION? YES ❑ NO >�
L.
REGIONAL OFFICE CONTACT -NAME:
Mail Original and one copy of this DMR (including all "No Flow" & "No Discharge" reports).within 30 dogs of receipt of sample (or at end of monitoring period
in case of "No Flow_") to:'_.
Division of Water Quality;,'
Attn: DWQCentral Files
1617 Mail Service Center;
Raleigh, North Carolina 27699-1617.
"I certify, under penalty of law; that this document and all attachments were prepared under my-direction-orsupervision in accordanCB•Wlth 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 gath ing the information, the information submitted is- to the best of my knowledge and belief; true-, accurate, and complete.
a t there are s' ' ifica �bmitting false information, including the possibility -of fines'and imprisonment for knowing violations."
i
(Signaiure of Permittee) (Da e)
Permit Date: 7/1/2011-60 3i 0/2015
Last Revised 7/13/11
Page 2 of 2

PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT No. NCG140000
CERTIFICATE OF COVERAGE NO. NC 14Ca 1 r( D SAMPLE COLLECTION YEAR: �0v?O i
FACILITY NAME: iZc2�� l`1:X _ - SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec QJan-March []April -June
PERSON COLLECTING SAMPLES: _�
uw s< COUNTY: '4rZSe-A41
-�� oP1iONE NO. 3iL
CERTIFIED LASORATORY:TeScAAtt-\_4,A%a'l�¢% Lab # 3y �_33 —�
Lab T ADD TO LI5TSERVE7 []YES ❑NO EMAIL: i
LIMIT VIOLATIONS? YES ❑HW❑Trout [:]Other)
OPTIONAL INFO: c
Part A: Wastewater Monitoring Requirements
Outfali No,
Date Sample
Collected)
{mm/dd/yr)
Type of Wastewater
Vi, RM, MD z
( )
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L}
TPH using
method 1664A
5� NE
(mg/L)
Discharge
Duration
(minutes}
—
Total Flow
(gallons/day)
-
6-93''
303.s
53{!15)e
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' If wastewater systems have not discharged in'this quarter-- report "No Flow" or "No Discharge" here. Please make sure to mark the sample quarter above.
2 Report the abbreviation for the type of Authorized Wastewater Discharges here: Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (Wt ,! Mixing Drum
Cleanout (MD), Report more than one type if the waste -stream Is commingled.
a If an effluent limit is exceeded twice in a row, the permittee is required to institute monthly monitoring for that parameter for six months, unless DW4 RO staff
notifies you to continue monitoring.
° pH limits are 6-9 S.U. for wastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saitwaters.=
s T55 limits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/L forTrout and PNA waters, and 30 mg/L for all other water classifications_;:};
Permit Date: 7/f/2010-06/30/2015 Last Revised 07/13/11
Page 1 of 2

e 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 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 HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 028 .0224. Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10.flow and report this information to DWQ. If the .'permittee 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 -rase basis.
i -
MAIL;ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARG> -) 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]
YOU MUST SIGN THl�ER77_F_1 AT1QN FOR ANY INFORMATION REPORTED:
"I certify, under penalty of 12'w, 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
(Signature of Permittee) (Date)
Permit Date: 7/l/2010-06/30/2015 Last Revised 07/13/11
Page 2 of 2

For: Ready Mixed Concrete Company (Williamson)
1590 Williamson Street
Winston-Salem, NC 27107
Attn: Danny Rathbone
Report of Analysis
1 /31 /2020
, 'v ANAtj►j"'*..
1••Cr<I,4,rC'r
to NC 1134 Z:
S NC R37701
i
Client Sample 11): 1 W 6237 Lab Sample ID: 77689-01
Site: Ready Mixed Concrete Collection Date: 1/24/2020 8'50
Parameter Method Result Units Rep Limit Analyst Analysis Date[Time
PH SM 4500 H+B-2000 6.5 Std. Units 1 /2412020 0850
Settleable Matter SM 2540 F-1997
Total Suspended Solids (TSS) SM 2540 D-1997
<0.1 mlll 0.1 AW 112412020 1420
6.0 1Tsg/L 5 AW 1/2812020
Client Sample ID: 1S 6237 Lab Sample ID: 77689-02
Site: Ready Mixed Concrete Collection Date: 1/24/2020 &50
Parameter Method Result Units Rep Limit An_ alyst Analysis DateRime
PH SM 4500 H+g_2000 7.2 Std. Units 1/2412020 0850
Total Suspended Solids (TSS) SM 2540 D-1997 8.2 mglL 5 AW 1/28/2020
NA = nOl analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel, 336-996-2841 rax: 336-996-0326 www.ran(lalabs.coni Page 1

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