NCG140086 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FI
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE N0. NCG14 0 0 8 6
FACILITY NAME: Chandler Concrete Co. — Pittsboro #111
PERSON COLLECTING SAMPLES: ®® ; 1
CERTIFIED LABORATORY:Pace Analytical Lab #633 RECE v'D
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
JUL 31 2015
SAMPLE COLLECTION YEAR:2015
SAMPLING PERIOD: ❑ July -December ® January -June
X Orig - State
0 Copy - State
0 Copy - Plant
0 Copy - File
COUNTY Chatham
PHONE NO. ( 919) 542 - 4242
ADD TO LISTSERVE? ❑YES ®NO EMAIL:
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: WS -V,
CENTRAL FILES NSW
DWR SECTION
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)1
pH
(Standard
Units)
TSS
(mg/L)
Event
Duration
(minutes)
Total
4
Rainfall
(in)
In Tier 2
Monthly
Monitoring?
(Y/n)
# of Months in Tier
z
2 Sampling
-
-
6-9
100 ,
-
-
-
-
1
NO FLOW
-
-
-
-
N
N/A
No Qualifying Discharge this
Period
' 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.
4 TSS benchmark values are 100 mg/I, except when discharging to ORW, HOW, Trout, and PNA waters where they are 50 mg/I.
4 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
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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 Total Suspended Event
1664A SGT -HEM Solids Duration
(mg/L) (mg/L) (minutes)
Total New Motor Oil
n
Rainfall Usage
(in) (gal/month)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months
in Tier 2
Sampling2
6-9
15 100 2,3-
- -
-
-
- - - N / A - - - No vehicle maintenance performed at facility - - -
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 ❑ - - I - • - 1 -
REGIONAL OFFICE CONTACT NAME:
Mail Orieinal and one coov of this DMR (including all "No Flow' & "No Discharge" reports) 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 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 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 r nsi a for gat ring the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware t sl . is t pe ties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
—7114,111
(Sign lure of Per ittee (D te) . -
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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