NCG190018_2021 DMR_20210701

NCDEQ Division of Energy, Mineral and Land Resources
5tormwater Discharge Monitoring Report (DMR) Form for NCG190000
Marinas and Shipbuilding
Click here for instructions
Complete, sign, scan and submit the DMR via the 5tormwater 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 appropriate DEMLR Regional Diti,_, .
Certificate of Coverage No. NCG190018
Person Collecting Samples: Andy Speight
Facility Name: Grady -White Boats
Laboratory Name: Environmentl
Facility County: Pitt
Laboratory Cert. No.: 295
Discharge during this period: ✓❑ Yes ❑ No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Q Yes ❑ No
If so, which Tier (I, il, or III)? 11
A copy of this DMR has been uploaded electronically via https:Hedocs.deg.nc.goy/FormszsW_ DMR ❑ Yes ❑ No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
parameter
Outfaii 1
Outfall2
Ou€fall 1
©utfall 1
Outfall
Code
N/A
Receivi ng Strea m Cl a ss
C;NSW
C:NSW
C:NSW
C:NSW
N/A
Date Sample Collected MM/DD/YWY
06/02/2021
06/02/2021
02/05/2021
3/16/2021
46529
24-Hour Rainfall in inches
.375
.375
0.45
0.15
- --
C0530
T55 in mg/L (100 or 50*)
19
16
11
4.2
00552
Non -Polar Oil & Grease in mg/L (15)
<5.7
<5.7
<6.3
<5.0
00340
Chemical Oxygen Demand in mg/L 1120)
00400
pH in standard units (6.0 - 9.01
6.8
7.5
6.8
6.8
01105
Aluminum, total recoverable in mg/ L
0.709
0.133
.173
<0.100
(0.75 FW, 0.24 5W)
Chromium III, total recoverable in mg/L
01027
at certain facilities" (0.905 FW, none
Not Required
Not Required
Not Required
Not Required
5W
Chromium Vl, total recoverable in mg/L
C0034
at certain facilities** (0.016 FW, 1.2
Not Required
Not Required
Not Required
Not Required
5W)
01042
Copper, total recoverable in mg/L
<0 01
<0 01
0 01
<0.01
0.010 FW, 0.006 SW
01051
Lead, total recoverable jas Pb) in tog/ L
<0.005
<0.005
<0.005
<0.005
(0.075 FW, 0.22 Sw)
Nickel, total recoverable in mg/L (0.335
00034
FW, 0.014 aW)
01092
Zinc, total recoverable In mg/L (0.126
0.293
0.012
0.751
0.322
FW, 0.095 5W)
Estimated New M otar/Hyd ra u lic Oil
NCOIL
Usage In gal/month
"Outfalls to Outstanding Resource waters (ORW), high Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS limit of . All other water classifications have a benchmark of
**Only required for Ship and Boat Building and Repairing [SIC 373] facilties that perform metal fabrication in areas that could potentially be
exposed to stormwater
FW (Freshwater) SW (Saltwater)
Notes (optional):

"I certify by my signature below, under penalty of law, that this document and all attachments were prepared under my direction arsupervision 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 possibilitylof fines and imprisonment for knowing vi dations."
Signature of PerAjtee or Delegated Authorized Individual
6/30/2021
Date
Email Address a'�&[e-mail] Phone Number 252-752-2111