NCG080893 DMR SW (4)

IVE
APR 2 7 2015
CENTRAL FILES
DWR, SECTION
GENERAL PERMIT NO. NCG080000
CERTIFICATE OF COVERAGE N ++�0S 8-;9s3
STORMWATER DISCHARGE MONITORING REPORT (DMR)
GENERAL PERMIT NO. NCG080000
FACILITY NAME GTA Bus Garage
PERSON COLLECTING SAMPLES) Jim Frei (SwSG)
CERTIFIED LABORATORY(S) Pace Analytical Lab # 12/ 67
SwSG Lab # 5054
SAMPLES COLLECTED DURING CALENDAR YEAR: 2015
(This monitoring report shall be received by the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory)
COUNTY GUILFORD
PHONE NO. C336) 373-2142
PLEASE SIGN ON THE REVERSE r--'
Part A: Vehicle Maintenance Activity Monitoring Requirements
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)
Outfall
No.
Date
Sample
Collected
mm/dd/ r
00530
00400
00556
Oil and Grease,
mg/L
Total Suspended Solids,
mg/L
pH,
Standard Units
Oil and Grease,
mg/L
New Motor Oil Usage,
Annual average gal/ mo
Benchmark
-
100
Within 6.0 — 9.0
15
-
001
03/20/15
60.2
7.16
6.9
+/-440
002
1 03/20/15
86.3
7.28
< 5.0
003/004
Represented by SDO-001 and SDO-002
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses.
See General Permit text.
Part B: Oil Water Separators and Secondary Containment Areas at Petroleum Bulk Station and Terminals
Outfall
No.
Date
Sample
Collected
mm/dd/ r
00556
00530
00400
Oil and Grease,
mg/L
Total Suspended Solids,
mg/L
pH,
Standard Units
Benchmark
-
15
100
Within 6.0 — 9.0
STORM EVENT CHARACTERISTICS
Date March 20, 2015 (first event sampled)
Total Event Precipitation (inches): 0.27 inches
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Form SWU-250-102107
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"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."
(Sign re of Permittee)
Mail Original and one copy to:
NCDENR / Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
(Date)
Form SWU-250-102107
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