NCG080614 DMR SW

Semi-annual Stormwater Discharge Monitoring Deport
for North Carolina Division of Water Quality General Permit No. NCG080000
Date submitted March 29, 2016
CERTIFICATE OF COVERAGE NO f^�+U.$+�' RECEIVED
FACILITY NAME Rex Oil APR 0 5 2016
COUNTY Davidson
PERSON COLLECTING SAMPLES Lynne Hays CENTRAL FILES
LABORATORY R&A Lab Cert. # 34 Comments on sample QM1Wcfl&i3i0N
analysis:
Part A: Vehicle Maintenance Areas Monitoring Requirements
SAMPLE COLLECTION YEAR 2013
SAMPLE PERIOD xJan-June July -Dec
or ❑ Monthly' (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply [:]SA
RECEIVED ❑Other
APR 0 0 , u, PLEASE REMEMBER TO SIGN ON THE REVERSE 4
CENTRAL FILES
DWR SECTION
❑ No discharge this period'
Outfal(= Date f -
No.. :* Sample,Collected, _
mo/dd%yr s
00530
00400 , ` - . --
- 00556
Non=Polar+oil a`nd Grease/TPH EPA Method
-d664,(SGT-HEM), mg/L
T,otal Suspended.•
_ - `=Solids;Img/L ; '
pH; . -
Standard units =
Non -Polar Oil and=Grease/TPH EPA
'Method. 1664 (SGT -HEM), mg/L,
New Motor Oil Usage;
Annual average gal/mo
Benchmark' -
50 or 100,see permit
Within — 9.0
15
NA/No Flow
NA/No Flow
—
SDO #2 03/19/16
<5
796
7.7
I
+
I
Did this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _yes _no
(if yes, report your analytical results in the table immediately below)
Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals
Outfall _ Date
-No.:: 'U Sample Collected,,
mo/dd/yr
00556
00530.''_-
00400
Non=Polar+oil a`nd Grease/TPH EPA Method
-d664,(SGT-HEM), mg/L
Total Sus pended:Solids,
rrig/L`
pH
71
_ Standard units
Permit Limit _
���P _ 15
50 or 100 see pPrinit
6.0 —`9.0 -
SDO #1 3q +
NA/No Flow
NA/No Flow
NA/No Flow
—
SDO #2 03/19/16
<5
796
7.7
I
+
I
' For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
SWU-250 last revised October 25, 2012
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STORM EVENT CHARACTERISTICS:
Date 03/19/16 (first event sampled)
Total Event Precipitation (inches): .10
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES x NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES x NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period in
the case of "No Discharge" reports) 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 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
there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
i
Lynne Hays for Rex Oil Company
(Signature of Permittee)
March 29, 2016
(Date)
Additional copies of this form may be downloaded at: http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
SWU-250
last revised October 25, 2012
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