NCG140081 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FOR
GENERAL PERMIT NO. NCG140000 / Orig — State
0 Copy — State
0 Copy — Plant
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 1 SAMPLE COLLECTION YEAR: 2015 0 Copy - File
FACILITY NAME: Chandler Concrete Co. — Reidsville Plant #104 SAMPLING PERIOD: ❑ July -December ® January -June
PERSON COLLECTING SAMPLES: Ricky Wilson COUNTY Rockingham
CERTIFIED LABORATORY:Pace Analytical Lab #633 PHONE NO. ( 336) 634 - 1845
OPTIONAL INFO: ADD TO LISTSERVE? DYES [:]NO EMAIL: _
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: C
Part A: Stormwater Monitoring Requirements
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)'
pH
(Standard
Units)
TSS
(mg/L)
Event
Duration
(minutes),
Total
Rainfal14
{in)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months inz Tier
2 Sampling
6-92
160 2,3
1
03/05/15
7.6
4.4
90 Min.
.60
N
0
2
03/05/15
8.1
21.4
90 Min.
•60
N
0
Discharge.due to storm event, PW commingles w/ SW
1 If "NO FLOW" or "NO DISCHARGE, Enter "NO FLOW" or "NO DISCHARGE" for each outfall here. Please make sure to mark the sample period a
z If a value is in excess of the benchmark, or outside the benchmark range (for pH), you must implement the Tier 1 or Tier 2 responses in the Gen(
Monthly sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range.
3 TSS benchmark values are 100 mg/I, except when discharging to ORW, HQW, Trout, and PNA 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: 7/1/2011-60/30/2016 Last Revised 7/13/11
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Part B: Vehicle Maintenance Activity Monitoring Requirements for facilities using > 55 gal of new motor oil/month — averaged over a calendar year.
Outfall`
. "No.
Date Sample
Collected
1
(mo/ dd/yr)
p H
(Standard
Units)
TP H,using method
1664A SGT -HEM
(mg/L)
Total Suspended Event
Solids Duration
(mg/L) (minutes)
Total,,
a
Rainfall
(in)
New Motor Oil
Usage
(gal/month)
in Tie
Monthly
`Monitoring?
(Y/n)
2
p.
.
I
# of Months
i
in Ti6r 2
2
'Sampling,,,.-.--
6-92
152
1002,3
N/A*
*Vehicle Maintenance Not Performed at this Location
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail Original and one cc
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617-
YOU
7699-1617
DMR (including all "No Flow" & "No Discl'
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 syst
assure that qualified pers nel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manai
those persons d!501 onsibl for ga ring the information, the information submitted is, to the best of my knowledge and belief, true, accur
am aware he sig ' ca pe I es for submitting false information, including the possibility offies a d imprisonment for knowing viol2
( ig ature of Permittee) (D e)
Permit Date: 7/1/2011-60/30/2016
i designed to
the system, or
and complete
ins."
Last Revised 7/13/11
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