NCG140210 DMR SW (4)

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING F
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 210
FACILITY NAME: Chandler Concrete Company - Haw River Pit. 609
PERSON COLLECTING SAMPLES:
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitorine Reauirements
SAMPLE COLLECTION.YEAR:2016
OR -
Orig -.State,
0 Copy - State
0 Copy - Plant
0 Copy - File
SAMPLING PERIOD: ® July -December ❑ January -June
COUNTY Alamance
PHONE NO.( 336) 578 - 2912
ADD TO LISTSERVE? ❑YES ®NO EMAIL: _
DISCHARGING TO CLASS: [-]SA ❑HQW ❑PNA ❑Trout ®'OtherWS-V
NSW
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, HOW, Trout, and PNA waters where they are 50 mg/I.
° For each sampled measurable storm event the total precipitationmust be recorded using data from an on-site rain gauge. .
D
X16
.ES
)N
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 1 of 2
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)'
pH
(Standard Units)
T
(mg/1L)
)
Event
(minutes)
Total 4
lSS
. Rainfal
(in)'
In Tier 2
Monthly
Monitoring?,
(y/n)
# of Months in
Tier 2 Sampling2.
-
6-92
1002,3
1
NO FLOW
N
N/A
R.. C
CENTRALF11
No Qualifying Discharges Observed this Period
UVVK
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, HOW, Trout, and PNA waters where they are 50 mg/I.
° For each sampled measurable storm event the total precipitationmust be recorded using data from an on-site rain gauge. .
D
X16
.ES
)N
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 1 of 2

Pert R• vahirio Maintonnnra Artiuitu Mnnitnrino Ranuiromantc fnr farilitiPc amine > RS Pal of new motor oil/month — averaeed over a calendar vear.
Outfall
No.
Date Sample
Collected
(mo/dd/yr)11
i
pH
( Standard
Units)
TPH using method
1664A SGT -HEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total
4
Rainfall
(in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
?
Monitoring.
(y/n)
t
# of Months
in Tier 2
Sampling2
6-92
152
1002'3
-
-
-
-
-
1
N/A
HAS YOUR FACILITY HAD 4 0
HAVE YOU CONTACTED THE
REGIONAL OFFICE CONTACT
MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO
:GION? YES ❑ NO ❑
mple (or at end of monitori
in case of "No Flow") to:;
Division of Water Quality
Attn: DWQ Central Files_
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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 responsible 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 /sign ificant p alties for submitting false information, including the possibility of fine and ' prisonment for knowing violations."
z �
(Signature of Permittee) (Date)
Permit Date: 7/1/2011-60/30/2015
Last Revised 7/13/11
Page 2 of 2