NCG080791 DMR SW (2)

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG080000
Date submitted 09/24/2015
',,- , ., , SAMPLE COLLECTION YEAR 2015
CERTIFICATE OF COVERAGE NO. GO$�07=93
FACILITY NAME Shamrock Environmental Corporation SAMPLE PERIOD ®Jan-June ❑July-Dec
COUNTY Guilford or ❑ Monthly1 (month)
PERSON COLLECTING SAMPLES Jim Hollingsworth DISCHARGING TO CLASS ❑ORW ❑HQW ['Trout ❑PNA
LABORATORY Meritech/Shamrock Lab Cert.# 165/5481 ❑Zero-flow ['Water Supply OSA
Comments on sample collection or analysis: RECEIVED ®Other WS-V; NSW
SEP 2 9 2.015 PLEASE REMEMBER TO SIGN ON THE REVERSE 4
r¢ ° � per .
Did this facility perform Vehicle Maintenance Activities using more than 5�5-�-ail s• motor oil month? yes X no
(if yes, report your analytical results in the table immediately below) 'MSIR
Part A:Vehicle Maintenance Areas Monitoring Requirements (If applicable) I I No discharge this period-1
Outfall Date .00530 - 00400, 00556 -
No. Sample Collected, Total Suspended. pH,, -Non-Polar Oil and Grease/TPH EPA -New,Motor Oil Usage,
mo/dd/yr , Solids, mg/L Standard units - Method 1664(SGT-HEM), mg/L Annual average,gal/mo
Benchmark - - 50 or 100 see permit - Within 6.0—'9.0 15 -
Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals(If applicable)
Outfall - Date - -00556 - _ 00530 -- 00400
No. Sample Collected, Non-Polar Oil and-Grease/TPH EPA Method Total Suspended Solids, pH, " -
mo/dd/yr - 1664(SGT-HEM), mg/L - mg/L - = Standard units
Permit Limit - - - - 15 - - - - 50,or'100 see permit - - 6.0-9.0
SW-001 8/31/2015 <5mg/L 2.5 mg/L 6.2
1 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 April 11,2013
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date 8/31/2015 (first event sampled)
Total Event Precipitation (inches):_0.34
Date NA (list each additional event sampled this reporting period,and rainfall amount)
Total Event Precipitation (inches): NA
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 ❑ NO
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ 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."
1 C—
(Signature of P rmit e) (Da e)
Additional copies of this form may be downloaded at: http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
SWU-250 last revised April 11,2013
Page 2 of 2