NCG140119 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0119
FACILITY NAME: Chandler Concrete/Piedmont, Salisbury Plant 114
PERSON COLLECTING SAMPLES: Terry Drury
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
SAMPLE COLLECTION YEAR: 2015
SAMPLING PERIOD: ❑ July -December
COUNTY Rowan
FORM
X Orig -State
0 Copy - State
0 Copy - Plant
0 Copy - File
® January -June
PHONE NO. ( 704) 636 - 4713
ADD TO LISTSERVE? ®YES ®NO EMAIL: ken.waeserie(@chandlerconcrete.com
DISCHARGING TO CLASS: []SA ❑HQW ❑PNA ❑Trout ®OtherWS-V;B
Outfall No.
Date Sample
Collected'
(mo/dd/yr OR
NO FLOW)
pH
�
(Standard Units)
TSS
�mg/L)
Event
Duration
(minutes)-
Total 114
. Rainfall
(in)
In Tier 2
Monthly
Monitoring?
(Y/n)
# of Months in
Tier 2 Sam pling2
-
6-92
1002,3
-
3
03/05/15
8.5
19.3
150
.50
N
N/A
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
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.
Permit Date: 7/1/2011-60/30/2016
Tier 2
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
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 Tie 12
Monthly
Monitoring?
I.
# of Months
in Tier 2
2
Sampling
6-9z
152
1002.3
3
NOT APPLICABLE
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)?
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail Orieinal and one coov of this DMR (including all "No Flow" & "No Discharge" reports) with
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YES ❑ NO
ale (or at end of mon
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 systerr
assure that qualified personnel prop5o gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage
those persons directly responsible gat eying t information, the information submitted is, to the best of my knowledge and belief, true, accurat(
am aware that there p� aloes fc bmitting false information, including the possibility of fines a/d imprisonment for knowing violatic
(Signatureelof Permittee
Permit Date: 7/1/2011-60/30/2016
designed to
he system, or
,and complete. I
ns."
Last Revised 7/13/11
Page 2 of 2