HomeMy WebLinkAboutNCG030695_2021 DMR_20210714July 14, 2021
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files:
P.O. Box 5030
2020 Ashcraft Avenue
Monroe, NC 28111-5030
Phone: (704) 289-4511
Fax: (704)290-5194
Email:
Attached, please find stormwater monitoring data for Permit No NCG030695. The originals and
one copy are included. The monitoring data is for the following monitoring schedule:
Monitoring Period
Sample Number
Start
I End
Year 3 — Period 1
0
January1, 2021
1 June 30, 2021
Analytical monitoring includes:
• Outfall #01. No Flow
• Outfall #02: Under Construction
• Outfall #03: No Flow
If you have any questions or need additional information, please contact me at 704-289-4511
x3800. Thank you.
Sincerely,
Mike McManus
EHS Coordinator
Spccimty rAwerials
ATI (Allvac) — Bakers Campus (BPO & EIGA)
Stormwater Monitoring Report Form
Sample Date: ec,3 Pefw I
Sample Time:
Sample Location:
Stormwater Discharge Outfall #k 01
Drainage Area= 1,809,000 sq. ft. = 25 Acres
% Impervious= 30%
Person Collecting Samples:
Laboratory Performing Analysis:
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
pH
(std units)
6-9
TSS
D
100
Copper, Total Recoverable
�1OG✓
0.010
Lead, Total
0.075
Zlnc, Total Recoverable
4
0.126
Non -Polar Oil & Grease/TPH
l-496c1
15
Temperature
Deg. Celsius
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
(Hrs.) Inches of Rainfall:
(Hrs.)
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (.4 x inches rain/12 inches/ft. x 25 acres x .70) + (.9 x inches rain/12 inches/ft. x 25 x .30)
Q (Total, cfs) = 0.5833 x
cfs
(Inches of rain) + 0.5625 x
(Inches of rain)
Rev. 01
Date of Rev.: 1/22/2020
Specialty Materials
ATI (Allvac) — Bakers Campus (BP4 & EIGA)
Stormwater Monitoring Report Form
Sample Date: Year.3 t3�rr0 j
!' eC
Sample Time: i
Sample Location:
Stormwater Discharge Outfall # 02
Drainage Area= 217,800 sq. ft. = 5 Acres
% Impervious= 30%
Person Collecting Samples:
Laboratory Performing Analysis:
Analytical Techniques and Methods:
AO CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
pH
(std units)
6-9
TSS
LGfibb _
100
Copper, Total Recoverable
f, n
0A10
Lead, Total
0.075
Zinc, Total Recoverable
0.126
Non -Polar Oil & Grease/TPH
Lr� Q
T
15
Temperature
Deg. Celsius
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
(Hrs.) Inches of Rainfall:
(Hrs.)
Q=CIA
Q (Total) = Q (Pervious Area) } Q (Impervious Area)
Q (Tot., cfs) = (.A x inches rain/12 inches/ft. x 5 acres x .70) + (.9 x inches rain/12 inches/ft. x 5 x .30)
Q (Total, cfs) = 0.1167 x
cfs
(Inches of rain) + 0.1125 x
(Inches of rain)
Rev. 01
Date of Rev.: 1/22/2020
ATI
Specialty Materials
AT] (Allvac) — Bakers Campus (BPQ & EIGA)
Stormwater Monitoring Report Form
Sample Date: e
Sample Time:
Sample Location:
Stormwater Discharge Outfall # 03
Drainage Area= 130,680 sq. ft. = 3 Acres
% Impervious= 50%
Person Collecting Samples:
Laboratory Performing Analysis:
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
pH
(std units)
6-9
TSS
100
Copper, Total Recoverable
0.010
Lead, Total
0.075
Zinc, Total Recoverable
,,%O
0.126
Non -Polar Oil & Grease/TPH
15
Temperature
Deg. Celsius
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
(Hrs.) Inches of Rainfall:
(Hrs.)
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) _ (.4 x inches rain/12 inches/ft. x 3 acres x .50) + (.9 x inches rain/12 inches/ft. x 3 x .50)
Q (Total, cfs) = 0.05 x (inches of rain) + 0.1125 x
cfs
(Inches of rain)
Rev. 01
Date of Rev.: 1/22/2020
A,
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