NCS000329_MONITORING REPORT_20210611

June 9, 2021
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Division of Energy Mineral and Land Resources 9� -
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files: Tier 2 Monthly Monitoring -May 2021
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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 #01 (B), 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,
;0��
Michael McManus
EHS Coordinator

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;Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:
Sample Time:
ra t`.
Sample Location:
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 00�4
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg V
TSS
100
BOD
30
COD
120
Cadmium
y
0.003
Chromium
ems[✓ �t
0.905
Total Calcium
N LL C
915
Total Copper
0.01
Total Nickel
0.335
Total Zinc
0.126
pH
(std units)
6-9
Temperature
Deg. Celsius
Total Residual Chlorine
.017
Oil and Grease
15
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
(Hrs.) Inches of Rainfall:
(Hrs.)
Rev. 01
Date of Rev.: 1/22/2020

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Sl OU4,1lty 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

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Specialty matf` ial ;
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: ,---
er- - % Eahf
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:
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O
Analytical Techniques and Methods:
40 CFR Part 136 N ac
CD NIjI2
Results of Sample Analysis: ,
Parameter
Results (mg/1)
Benchmark Values kuo
TSS
100
BOD
30
COD
�-7�
,DID i ' Ce-:7-4
120
Cadmium
0.003
Chromium
ere'S ,.f��ie�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:
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 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

A-rj
�iaf;cialty M�t£�eass�i,
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

S4'lvcialty Material
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:./;,. �,) I
Sample Time:
Sample Location:/
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 _o
d
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
0.126
pH
(std units)
6-9
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 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

*ATI
SpuTially Material
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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ATI
SpecialtyI, %,
A d 0 (Mvac) o Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Dare. _
Sample `dime.
Stormwater Discharge Outfall # 01 (Commingled)
Sammie location. �S �t
Drainage Area= 2,915,470 sq. ft. = 69 Acres
Impervious= 34%
,p^
Person Collecting Samples.
Laboratory Performing Analysis.
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis.
Parameter
Results (mg/1)
Benchmark !/aloes (mg/1)
TSS
100
BOD
30
COD
120
Cadmium
/ 1
0.003
Chromium
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
Total Residual Chlorine
017
Oil and Grease
1_5
Storm Date. Storm Duration. (FIrs.) lnches of Rainfalls
Duration of time preceding rain event exceeding 0.20- (Hrs.)
E-stimated Flow Calculation.
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Rev. 01
Date of Rev.: 1/22/2020

A
ATN (Allvac) o Bakers Campus (BNB®)
SSttormwater 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 )(.34.)
Q (Dotal, cfs) = 1.15180 x (Inches of rain) f 1.7595x (Inch(-s of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

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
Im ervious= 12%
Berson Collecting Samples.
t�
Laboratory performing Analysis:
c
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg%d)
TSS
100
BOD
30
COD
y
120
Cadmium
�+
0.003
Chromium
0.905
Total Calcium
915
Total Copper
i 0.01
Total Nickel
0.335
Total Zinc
(std units)
0.126
b 9
pH
Temperature
Deg. Celsius
Storm Date:
Storm Duration.
Duration of time preceding rain event exceeding 0.1":
Estimated navy Calculation:
(Hrs.) lnches of Rainfall:
(Firs.)
Q=CIA
Q ( Total) = Q (Pervious Area) Q (Impervious Area)
Q (Tot., crs) = (A. a inches rain/12 inches/ft.),, 4.9 acres a .00) (.9 )( inches rain/12 inches/`rt. a 4.9 a .12)
Rev. 01
Date or Rev.: 1/22/2020

Specially Wlaterlhals
ATl (Allvae) — Bakers Campus (BNO)
Sformwater Moniforin Reloort Form
Q (TotaI, cfs) = 0.1437 x (Inches of rain) + 0.0441 x (Inches of rain)
cfs
Rev. 01
Date of Rev.: 1/22/2020

AT(Mv ac) — Bakers Campus ( N )
Stormwater Monitoring Report Form
Sample Date- .,
Sample Time:
Sample Location.
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:
0 CFR Part 136
a <;,
Results of Sample Analysts-
Parameter
Results (mg/1)
Benchmark Values (mg/ff
100
TSS
BOD
30
COD
120
Cadmium
0.003
Chromium
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 mate:
Storm Duration-
Duration of time preceding rain event exceeding 0.11":
Estimated Flow Calculation:
(l-1rs.) 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 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

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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