NCG190110_2023 DMR_20230705

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG190000 Marinas
and Shipbuilding
Click here for instructions
Complete,sign,scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (DMR) Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the ppropriate DEMLR Regional Office.
Certificate of Coverage No. NCG190110 Person Collecting Samples: Steve Tyler,LG
Facility Name: Atlantic Marine—Service Center Laboratory Name: Environmental Chemists, LG
Facility County: New Hanover Laboratory Cert.No.: 94
Discharge during this period: X Yes No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? u Yes X No
If so,which Tier(I, II,or III)?
A copy of this DMR has been uploaded electronically via lies:/Jedocs.deq.nc.gov/Forms/SW-DMR Yes El No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in (Red)
Parameter
Code Parameter Outfall Outfall Outfall Outfall Outfall
N/A Receiving Stream Class SDO-001 500-002
N/A Date Sample Collected MM/DD/YYYY 5/19/2023 5/19/2023
46529 24-Hour Rainfall in inches 0.22 0.22
C0530 TSS in mg/L(100 or 50') 7.8 35.5
Estimated New Motor/Hydraulic Oil
NCOIL 0/Month 0/Month
usage in gal/month
00340 Chemical Oxygen Demand in mg/L(120) - -
00400 pH in standard units(6.0—9.0 FW,6.8— 7.0 6.9
8.5 SW)
Aluminum,total recoverable In mg/L
01105 0.499 4.66
(0.75 FW,0.24 SW)
01119 Copper,total recoverable In mg/L(0.010 0.321 0.205
FW,0.006 SW)
01051 Lead,total recoverable(as Pb)in mg/L <0.01 0.088
(0.075 FW,0.22 SW)
01094 Zinc,total recoverable in mg/L(0.126 FW, 0.223 1.87
0.095 SW)
Additional parameters for outfalls in drainage areas that use>55 gallons per month of new hydraulic oil on average
00552 Non-Polar Oil&Grease in mg/L(15) [ <5,26 6.0 I I
'Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HOW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of 50 mg/L All other water classifications have a benchmark of 100 mg/L FW (Freshwater) SW
(Saltwater)
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!Notes(optional):
"I certify by my signature below,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."
— 7 -20 Z3
Signature of Perm tteebr egated Authorized Individual Date
steve.tylerl Pymail.com 910 508 8833
Email Address Phone Number
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