NCG060357_DMR_20200531

STORMWATER DISCHARGE MONITORING REPORT
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG060000
Date submitted May 2020
CERTIFICATE OF COVERAGE NO. NCG06 0 3 5 7
FACILITY NAME Mother Murphy's Laboratories, Inc.
COUNTY Guilford
PERSON COLLECTING SAMPLES Jeff Gerlock
LABORATORY Meritech Lab Cert. #"gr
, t 16 nzo
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SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD 0 Jan -June ❑ July -Dec
or Monthlys (month)
DISCHARGING TO CLASS [:]ORW E:]HQW Trout F_]PNA
❑Zero -flow EjWater Supply [jSA
RE Other C
FACILITY ACTIVITIES INCLUDE (check all that apply):
❑ use/process meats 0 use animal fats/byproducts
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
Part A: Stormwater Benchmarks and
Monitoring Results
Total event rainfall20.81 or Ej No discharge this peric
Outfall No. Date Sample
Collected, mo/dd/yr
TSS,
mg/L
pH,
Standard
COD,
Oil and Grease, Fecal Coliform, Enterococci,
Benchmark
units
mg/L
mg/L Colonies per 100 ml Colonies per 100 ml
-
100 or 501
Within 6.0 — 9.0
120
30 10001 S00'
Parameter Code -
C0530
00400
00340
00S56 31616 61211
<5 NA NA
<5 NA NA
OF-1
4/20/2020
67
6.96
25
OF-2
4/20/2020
13
7.13
<15
1 Only applies to facilities that use/process meats.
2The total precipitation must be recorded using data from an on -site rain gauge.
3 For sampling periods with no discharge at any outfalls. You must still submit this discharge monitoring report with a checkmark here.
°See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Did this facility perform Vehicle Maintenance Activities using more than 55 gallons of new oil per month? ❑ yes 0■ no (if yes, complete Part B)
Permit Date: 11/1/2018-OS/31/2021 SWU-249, Last Revised 11/5/2018
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Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new motor oil/month.
Outfall No.
Date Sample Collected
(mo/dd/yr)
24-hour rainfall amount,
Inches
New Motor Oil or
Hydraulic Oil Usage
Non -Polar 0&G/Total
Petroleum Hydrocarbons
Total Suspended Solids
Benchmarks
-
-
15 mg/L
100 mg/L or 50 mg/L4
Parameter Code
-
46529
NCOI L
00552
C0530
Footnotes from Part A also apply to Part B
*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 Q NO Q
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES 0 NO
REGIONAL OFFICE CONTACT NAME:
Mail an original 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, NC 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."
Signature of
Permit Date: 11/1/2018-05/31/2021
19— ;�-&"-f)
Date
SWU-249, Last Revised 11/5/2018
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