NCG140082 DMR SW (2)

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING F
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 2
FACILITY NAME: Chandler Concrete Co. — Greensboro Pit 102
PERSON COLLECTING SAMPLES: Brian Marsh
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitorine Reauirements
Orig - State
0 Copy - State
0 Copy - Plant
SAMPLE COLLECTION YEAR:3M6 0 Copy File
SAMPLING PERIOD: ® July -December ❑ January -June
COUNTY.Guilford
PHONE NO. ( 336) 297 -1179
ADD TO LISTSERVE? ❑YES ❑NO EMAIL: _
DISCHARGING TO CLASS: ❑SA ❑HQW ®PNA ❑Trout ®Other: WSW.,
NSW
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)'
pHTSS
(Standard
Units)
( m g/L)
Event
Duration
(minutes).
Total 4
Rainfall
(in)
1n Tier 2
Monthly
Monitoring ?
.
(y/n)
# of Months in Tier
2 Sampling z
1002.-
-
_ .
-
-
1
No Flow
_
_
_
N
N/A
No Discharge Observed during this
period
B 0
rp
QWR L RAL
SE
If "NO FLOW" or "NO
DISCHARGE. Enter "NO
FLOW" or "NO
DISCHARGE" fnr Parh niitfall harp Plpaca malrp acro to mnrlr tho cmmnlo r,orin 4 nti.,.,o
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, HOW, 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.
2016
FILES
TION
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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Part B: Vehicle Maintenance Activitv Monitorine Reauirements for facilities usine > 55 eal of new motor oil/month — averaeed over a calendar vear.
Outfall
No.
Date Sample
Collected
(mo/dd/yr)1
PH
(Standard
Units)
TPH using method
3
-1Cab ASGT HEM
.c��`a�"(aig/�L-),;
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total a
Rainfall
(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
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:
ine all "No Flow" & "
in case of "No Flow") to:
Division -of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
int of
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 direct) sponsible f gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware th r gnifican enalties for submitting false information, including the possibility of fine/an imprisonment for knowing violations."
(Signature of Permittee) (D e)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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