NCG140078 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING
GENERAL PERMIT NO. NCG140000 X Orig - State
0 Copy - State
0 Copy - Plant
CERTIFICATE OF COVERAGE NO. NCG14 0 0 7 8 SAMPLE COLLECTION YEAR: 2015 0 Copy - File
FACILITY NAME: Chandler Concrete Co. — Madison PlaMtEIVE6&PLING PERIOD: ❑ July -December ® January -June
PERSON COLLECTING SAMPLES:
JUL ��,COUNTYRockingham
CERTIFIED LABORATORY:Pace Analytical Lab #633 HONE NO. ( 336) 548 - 4299
OPTIONAL INFO: CENTRAL EILEVD TO LISTSERVE? ❑YES ®NO EMAIL: _
CWR SECTIObISCHARGING 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 4
Rainfall
(in)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in Tier
2
2 Sampling
-
-
6-9
3002'3
-
-
-
No Flow
OMin.
N
N/A
I
I
+
No Qualifying Discharge this Period
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/l.
° 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
(mo/dd/yr)1
PH
(Standard
Units)
TPH using method
1664A SGT -HEM
(mg/L)
Total Suspended Event Total
a
Solids Duration Rainfall
(mg/L) (minutes) (in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months
in Tier 2
2
Sampling
6-92
152
1002' - -
-
-
-
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 Original 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 rj�i sibl�r gatherjng the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware tha a gni enalti for submitting false information, including the possibility of fines ayd imprisonment for knowing violations."
(Signat a of Permittee) ( te)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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