NCG140089 DMR SW (2)

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FO
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 9
FACILITY NAME: Chandler Concrete Company, Inc. - Burlington 601
PERSON COLLECTING SAMPLES: Tim Light
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitoring Reauirements
0
0
SAMPLE COLLECTION YEAR:2016 0
SAMPLING PERIOD: ® July -December ❑ January -June
Orig - State :
Copy - State
Copy - Plant
Copy - File
COUNTY Alamance
PHONE NO. ( 336) 570 - 1204
ADD TO LISTSERVE? []YES ®NO EMAIL: _
DISCHARGING TOCLASS: ❑SA ❑HQW ❑PNA ❑Trout ®OtherWS-V.
NSW
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 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.
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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Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)1
pH
(Standard Units)
TSS
(mg/L)
Event
Duration
(minutes)
Total 4
Rainfall2
(in)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in
Tier 2 Sampling
-
6-9
1002,s-
1
NO FLOW
R ,I
CENTRAL FILE
OWN ECTIO
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.
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 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.
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 Activitv Monitoring Reauirements for facilities using > 55 gal of new motor oil/month — averaged over a calendar vear.
Outfall
No,
Date Sample
Collected
1
(mo/dd/yr)
In Tier 2
pH TPH using method Total Suspended Event Total New Motor Oil
a Monthly
(Standard 1664A SGT -HEM Solids Duration Rainfall Usage
Monitoring?
Units) (mg/L) [mg/L) (minutes) (in) (gal/month)
(y/n)
# of Months
in Tier 2
2
Sampling
6-92 152 100 ,3 - - - -
-
j Testing Not Required — No vehicle maintenance performed on site
HAS YOUR FACILITY HAD 4 0
HAVE YOU CONTACTED THE
REGIONAL OFFICE CONTACT
Mail OdRinal and one co
in case of "N6 Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27
MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO
EGION? YES ❑ NO ❑
TAME:
1617
AX
It
"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 res risible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that t 1ghi ' t p alties for submitting false information, including the possibility offine an imprisonment for knowing violations."
L
(Signature of Permittee) (D e)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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