NCG140080 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 0
FACILITY NAME: Chandler Concrete Co. — Eden Plant #105
PERSON COLLECTING SAMPLES:
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
SAMPLE COLLECTION YEAR:2015
SAMPLING PERIOD: ❑ July -December
FORM
Orig — State
' 0 Copy — State
0 Copy — Plant
0 Copy - File
® January -June
COUNTY Rockingham
PHONE NO. ( 336) 635 - 0975
ADD TO LISTSERVE? ❑YES ❑NO EMAIL: _
DISCHARGING TO CLASS: [—]SA ❑HQW ❑PNA ❑Trout ®Other: C
Outfall No.
Date Sample
Collected ii
(mo/dd/yr OR
NO FLOW)1. !
PH
(Standard
Units)
TSS
{mg/L)
Event
Duration
(minutes)
Total
a
Rainfall.
(in)
In Tier 2
Monthly
Monitoring?
(Y/n)
# of Months. in Tier
2 Sampling2
6-92.
1002'3
1
03/10/15
7.7
3.4
45Min.
.40
N
N/A
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 above.
2 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 General Permit. Tier 2
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.
a 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)
pH
(Standard
'
Units)
TPH using method
1664A SGT=HEM
(mg/L)
Total Suspended Event Total
4
Solids Duration Rainfall
(mg/L) (minutes) (in)
New. Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
E,
Monitoring?
(y/n) ,
# of Months
in Tier. 2
2
Sampling
_6-9Z
1's2
100z,a
N/A
*Vehicle Maintenance
Not Performed 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 Orieinal and one coov of this DMR (includine all "No Flow" & "No Discharge" reports) w
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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 syster
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage
those persons directly resp�ble for gathe og the information, the information submitted is, to the best of my knowledge and belief, true, accurat
am aware that
(Signature of Permittee)
submitting false information, including the possibility77-r."
and 'mprisonment for knowing violati
(Dat
i designed to
the system, or
and complete
ins."
Permit Date: 7/1/2011-60/30/2016 Last Revised 7/13/11
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