NCS000329_MONITORING REPORT_20210122

January 15, 2021
Division of Energy Mineral and Land Resources c?
Attn: Central Files `a
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files: Tier 2 Monthly Monitoring -November, 2020-Resubmittal
AFATI
P.O. Box 5030
2020 Ashcraft Avenue
Monroe, NC 28111-5030
Phone: [phone]
Fax: [phone]
Email: tyler.mercer0atimetals.com
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
x3823. Thank you.
Sincerely,
Tyler Mercer
EHS Manager

AT
AT[ (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:17 �! oZd/If OYwv
Sample Time:
Sample Location: a7AQ6
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
No
100
BOD
Fla w
30
COD
120
Cadmium
0.003
Chromium
No
0.905
Total Calcium/ow
915
Total Copper
0.01
Total Nickel
0
0.335
Total Zinc
o
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

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
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: 1E.- -1404
Sample Time:
Sample Location: apa p
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
No
100
BOD
d
30
COD
120
Cadmium
0
0.003
Chromium
/O
0.905
Total Calcium
915
Total Copper
0.01
Total Nickel
F�vw
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

00
sATI
C,p;:; sally td;urn.:'N
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

sATI
Specialty Malenals
ATI (Allvac) — Bakers Campus,(BNO)
Stormwater Monitoring Report Form
Sample Date: %-6r _M,. �!i DUe
0/�T/t/
Sample Time:
Sample Location: apa
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
0
100
BOO
OW
30
COD
120
Cadmium
��
0.003
Chromium
O w
0.905
Total Calcium
915
Total Copper
No
0.01
Total Nickel
/ /O�
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

ATI
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

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS (0003.21
FACILITYNAME AYT ee�:iEv /�lefu�:Jf, Brkc.� Sre
PERSON COLLECTING SA PLE( )
CERTIFIED LABORATORY(S) Lab #
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR:
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Lltien
PHONE NO. (70Y)aB9 �fJ//
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
50050
No.
Sample
Collected
Total
Flow if a
Total
Rainfall
mo/dd/ r
MG
inches
Iwo I
/too
A16
o suoa
o
ow
No 51A(O3
NO
Flaw
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? Oyes *no
(if yes, complete Part B)
♦.. M....:f...:.... Vnnn:vmm�nte
rara n: r cwuc n.awac..n..ca.
Outfall
No.
.-........
Date
Sample
Collected
............... -._
50050
_____..__.__
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664
SGT-HEM), if
appl.
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/ r
MG
inches
m
mgn
unit
gallmo
Form SWU-247, last revised 611212015
Page 1 of

STORM EVENT CHARACTERISTICS:
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"I certify, 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."
0-,Q j -i.3 -ar
(Signature of Permi a (Date)
Form SWU-247, last revised 611212015
Page 2 of 2

ATI (AIIVac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:
;i er a? -/+to��lij ect�bc
Sample Time:
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
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
TSS
D
100
BOD
la w
30
COD
120
Cadmium
0.003
Chromium
0
0.905
Total Calcium
915
Total Copper
o
0.01
Total Nickel
IOW
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: (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

AT'I (A61vac) — Bakers Campus (BNO)
Stormwater MonitoriM 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

A F I
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: era A1444y
Sample Time:
Sample Location: o?Dad
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
No
100
BOD
t/d hr
I
30
COD
120
Cadmium
0.003
Chromium
No
0.905
Total Calcium
Flow
915
Total Copper
0.01
Total Nickel
0
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

4qr«n.aOY tfa, �irns:�:,
Afl (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
®ate of Rev.: 1/22/2020

. #r AT I
i:I,. , i.-11. 16 r.:r:-
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date: Wei -Xim
Sample Time:
Sample Location: qAQ p
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
100
BOD
0
30
COD
120
Cadmium
0
0.003
Chromium
/0
0.905
Total Calcium
915
Total Copper
1416
0.01
Total Nickel
`/cw
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) 1 (.9 x inches rain/12 inches/ft. x 4.9 x .12)
Rev.01
Date of Rev.: 1/22/2020

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

ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report form
Sample Date: rer _AN0
Sample Time:
Sample Location: o(Qa d
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
0
100
BOD
/O W
30
COD
120
Cadmium
A0
0.003
Chromium
W
0.905
Total Calcium
915
Total Copper
No
0.01
Total Nickel
r/0w
r !
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

%or AT
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

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 40003471
FACILITY NAME A77 :sw; 4y /11i.%iria1.5, B.Xers tlA
PERSON COLLECTING S PLE( )
CERTIFIED LABORATORY(S) Lab 0
Lab 4
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR:
(This monitoring report shall be received by the Division no later than 30 days frow
the date the facility receives the sampling results from the laboratory.)
COUNTY aAien
PHONE NO. ( 70 Y) AB 9- 4ff-//
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Qutfall
Date
50059
_
No.
Sample
Collected
Total
Flow if a
Total
Rainfall
mo/dd/yr
MG
inches
5 0 /
/Jo
a ri
B'qlp swoa
o
rjoW
81yo 5w03
NO
Flaw
I
i
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? Dyes ®no
(if yes, complete Part B)
P rt B• Vehicle Maintenance Act" ity Monitoring Requirements
a
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Noll -polar
O&G/TPH
(Method 1664
SGT-HEM), if
appl,
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/ r
MG
inches
mgn
m /I
""it
al/mo
Form SWU-247, last revised 61121201.5
Page i of 2

"A6
STORM EVENT CHARACTERISTICS:
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"I certify, 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. Rased 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."
(Signature of
j-i3-a�
(Date)
Form SW-247, last revised 611212015
Page 2 of 2