NCS000329_MRO Copy Monitoring Report_20210319

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March 12, 2021 Q,li
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files: Tier 2 Monthly Monitoring -February 2021
4*-ATI
P.O. Box 5030
2020 Ashcraft Avenue
Monroe, NC 28111-5030
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Attached, please find stormwater monitoring data for Permit No NCS000329. The originals and
one copy are included. The monitoring data is for the following monitoring schedule:
Analytical monitoring includes:
• Outfall #O1 (13), commingled stormwater _
• Outfall #02 (B), non -commingled stormwater
• Outfall #03 (B), non -commingled stormwater
If you have any questions or need additional information, please contact me at 704-289-4511
x3800. Thank you.
Sincerely,
Michael McManus
EHS Coordinator

i AT
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: _ �+ ti I
Sample Time:
Sample Location: l�> z. j
Stormwater Discharge Outfall # 01 (Commingled)
Drainage Area= 2,915,470 sq. ft. = 69 Acres
Impervious= 34%
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)
TSS
10D
BOD
r
/
30
COD
120
Cadmium
0.003
Chromium
0.905
Total Calcium
.. GILv
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
A/a
0.126
pH
j�, (std units)
I
6-9
Temperature
Deg. Celsius
Total Residual Chlorine
.017
Oil and Grease
15
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs,)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Rev. 01
Date of Rev.: 1/22/2020

Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Tot., cfs) _ (A x inches rain/12 inches/ft. x 69 acres x .66) + (.9 x inches rain/12 inches/ft. x 69 x .34)
Q (Total, cfs) = 1.15180 x (Inches of rain) + 1.7595 x (Inches of rain)
- cfs
Rev. 01
Date of Rev.: 1/22/2020

4 ol
o7rif-ATI
Specialty Materials
AT] (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: Tyr• � :a• C i' -u � t
Sample Time:
Sample Location: 202 j
Stormwater Discharge Outfall # 02 (Non -
Commingled)
Drainage Area= 212,952 sq. ft. = 4.9 Acres
Impervious= 12%
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)
100
L-ATSS
L
BOD
�--
30
Gv
COD
120
Cadmium
0.003
Chromium
0.905
C
Total Calcium
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
6
0.126
pH
(std units)
6-9
Temperature
Deg. Celsius
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (.4 x inches rain/12 inches/ft. x 4.9 acres x .88) + (.9 x inches rain/12 inches/ft. x 4.9 x .12)
Rev. 01
Date of Rev.: 1/22/2020

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I
Specialty Materials
ATI (Allvac) -- Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Total, cfs) = 0.1437 x (Inches of rain) + 0.0441 x (Inches of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

1 I
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: `Z /�
Ti'z r c� h It
Sample Time:
Sample Location:, 2
Stormwater Discharge Outfall # 03 (Non -
Commingled)
Drainage Area= 336,580 sq. ft. = 7.8 Acres
% Impervious= 15%
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)
TSS
100
BO D
30
COD
120
Cadmium
0.003
Chromium
0.905
Total Calcium
6 W
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
0.126
pH
(std units)
6-9
Temperature
Deg. Celsius
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (A x inches rain/12 inches/ft. x 7.8 acres x .85) + (.9 x inches rain/12 inches/ft. x 7.8 x .15)
Rev. 01
Date of Rev.: 1/22/2020

Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Total, cfs) = 0.2210 x (Inches of rain) + 0.0878 x (Inches of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

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Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: �+ �� i —
.m
Sample Time:
Sample Location: Z4, Li
Stormwater Discharge Outfall # 01 (Commingled)
Drainage Area= 2,915,470 sq. ft. = 69 Acres
% Impervious= 34%
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)
TSS
100
BOD
�-
30
COD
120
Cadmium
0.003
Chromium
0.905
Total Calcium
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
J V a
0.126
pH
4— + (std units)
�� �,
6-9
Temperature
Deg. Celsius
Total Residual Chlorine
.017
Oil and Grease
15
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Rev. 01
Date of Rev.: 1/22/2020

7*'*`ATE
Spechilty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Tot., cfs) _ (A x inches rain/12 inches/ft. x 69 acres x .66) + (.9 x inches rain/12 inches/ft. x 69 x .34)
Q (Total, cfs) = 1.15180 x (Inches of rain) + 1.7595 x (Inches of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

AT I
Speclalty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:
Sample Time:
Sample Location:
Stormwater Discharge Outfall # 02 (Non -
Commingled)
Drainage Area= 212,952 sq. ft. = 4.9 Acres
Impervious= 12%
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)
TSS
i'
100
BOD
ito
30
COD
120
Cadmium
0.003
Chromium
N�
0.905
Total Calcium
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
�?
0.126
pH
(std units)
6-9
Temperature
Deg. Celsius
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (A x inches rain/12 inches/ft. x 4.9 acres x .88) + (.9 x inches rain/12 inches/ft. x 4.9 x .12)
Rev. 01
Date of Rev.: 1/22/2020

4w-ATI
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Total, cfs) = 0.1437 x (Inches of rain) + 0.0441 x (Inches of rain)
= cfs
Rev. 01
Date of Rev.: 1/22/2020

,;-ATi
Specialty matvrial%
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:
%"e1,
Sample Time:
r �- ��z ,•
Sample Location:G, y
Stormwater Discharge Outfall # 03 (Non -
Commingled)
Drainage Area= 336,580 sq. ft. = 7.8 Acres
Impervious= 15%
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)
TSS
100
BOD
30
COD
120
Cadmium
0.003
Chromium
/n, Lam%
0.905
Total Calcium
0
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
0.126
pH
C (std units)
6-9
Temperature
Deg. Celsius
Storm Date: Storm Duration: (Hrs.) Inches of Rainfall:
Duration of time preceding rain event exceeding 0.1": (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (A x inches rain/12 inches/ft. x 7.8 acres x .85) + (.9 x inches rain/12 inches/ft. x 7.8 x .15)
Rev. 01
Date of Rev.: 1/22/2020

-14*-AT1
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Q (Total, cfs) = 0.2210 x (Inches of rain) + 0.0878 x (Inches of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

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