NCS000329_DMR_20240212

® Complete items 1,2, and 3. 7Received
■ Print your name and address on the reverse C3 Agent
so that we can return the card to you. ❑ Addre
® Attach this card to the back of the mailpiece, ed Name) 0. We of Pel'
or on the front if space permits. / l
1. Article Addressed to: D. Is delivery address different from item 1 ; L7 Yes
— If YES,enter delivery address bbelbwt O,No
NCDEQ Stormwater
610 East Center Ave Ste 301
Mooresville, NC 28115
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9590 9402 8070 2349 2628 38 Certified Mail wary
❑Certified Mail Restricted Delivery �� Very
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❑Collect on Delivery ❑Signature Confirmat
-._ 9. Article Number(transfer from service label) ❑Collect on Delivery Restricted Delivery Restricted Delivery
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9589 0 710 5270 1162 5984 70 reSd OMail Restricted Delivery
PS Form 3811, July 2020 PSN 7530-02-000-9053 Domestic Return Rec
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-*ATI
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Re ort Form
Sample Date:Tier 2 Monthly,January 2024 Sample Time:
Sample Location: Stormwater Discharge Outfall k 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
HOD Did not meet criteria of 30
COD 72 hours between rainfall. 120
Cadmium 0.003
Chromium No Flow 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 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)
Q(Tot.,cis)=(.4 x inches rain/12 inches/ft.x 69 acres x.66)+(.9 x inches rain/12 inches/ft.x 69 x.34)
Q(Total,cis)=1.15180 x (Inches of rain)+1.7595 x (Inches of rain)
cfs
Rev.01
Date of Rev.: 1/22/2020

- ATI
Specialty Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:Tier 2 Monthly,January 2024 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 100
BOD Did not meet criteria of 30
COD 72 hours between rainfall. 120
Cadmium 0.003
Chromium No Flow 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 exceeding0.1": (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)
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 Materials
ATI (Allvac) — Bakers Campus (BNO)
Stormwater Monitoring Report Form
Sample Date:Tier 2 Monthly,January 2024 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
Results of Sample Analysis:
Parameter Results(mg/1) Benchmark Values(mg/1)
TSS 100
BOD Did not meet criteria of 30
COD 72 hours between rainfall. 120
Cadmium 0.003
Chromium No Flow 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 7.8 acres x.85)+(.9 x inches rain/12 inches/ft.x 7.8 x.15)
Q(Total,cis)=0.2210 x (Inches of rain)+0.0878 x (Inches of rain)
cis
Rev.01
Date of Rev.: 1/22/2020

STORMWATER DISCHARGE OUTFALL(SDO)
MONITORING REPORT
Permit Number NCS 000329 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.)
FACILITY NAME ATI Specialty Materials, Bakers Site COUNTY Union
PERSON COLLECTING SAMPLE(S) PHONE NO. 7( 04 )289-4511
CERTIFIED LABORATORY(S) Lab#
Lab#
SIGNATURE OF PERMITTEE OR DESIGNEE
;0 REQUIRED ON PAGE 2.
Part A: Specific Monitoring Requirements pL p all
n
Outfall Date 50050
No. Sample Total Total N, N C
Collected Flow ifa Rainfall °0T ® m
mo/dd/ r MG inches '
BNO SW01 Did not meet criteria of 72 hours between rainfall, ndflow
BNO SW02 Did not meet criteria of 72 hours between rainfall, no flow
BNO SW03 Did not meet criteria of 72 hours between rainfall, no flow
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?®yes @.no
(if yes,complete Part B)
Part B:Vehicle Maintenance Ac Ity Monitoring Requirements
Outfall Date 50050 00556 00530 00400
No. Sample Total Flow Total Oil&Grease Non-polar Total pH New Motor
Collected (if applicable) Rainfall (if appl.) O&G/TPH Suspended Oil Usage
(Method 1664 Solids
SGT-HEM),if
appl.
mo/dd/ r MG inches m /I mg/1 unit al/mo
Form SWU-247,last revised 611212015
Page 1 of 2

STORM EVENT CHARACTERISTICS: Mail Original and one copy to:
Division of Energy Mineral and Land Resources
Date Attn: Central Files
Total Event Precipitation(inches): 1617 Mail Service Center
Event Duration(hours): (only if applicable—see permit.) Raleigh,North Carolina 27699-1617
(if more than one storm event was sampled)
Date
Total Event Precipitation(inches):
Event Duration(hours): (only if applicable—see permit.)
"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 aannmod/imprisonment for knowing violations."
(Signature of Permittee) ( (Date)
Form SWU-247,last revised 611212015
Page 2 of 2

Rainfall - NPDES flows
Site: Bakers South Year 2024
Its
Month: January °o��.ORRry3M�/i'01�
Date Total Rainfall (in) NPDES Flows (MGD) Time Initia"W ,
1/1/2024 0.0 N/A 6:00am JSM
1/2/2024 0.0 N/A 6:00am RBM
1/3/2024 0.0 N/A 6:00am JSM
1/4/2024 0.0 N/A 6:00am RBM
1/5/2024 0.0 N/A 6:00am RBM
1/6/2024 0.35 $ g N/A 14, 6:00am RBM
1/7/2024 , k 0.70 S t j yr N/A 6:00am RBM
1/8/2024 0.05 N/A 6:00am 15M
1/9/2024 0.40 Z N/A i,r 6:00am RBM
1/10/2024 d 1.75 f N/ G S 6:00am RBM
1/11/2024 0.0 N/A 6:00am RBM
1/12/2024 0.0 N/A 6:00am RBM
1/13/2024 1.00 -f- A A,7 Lr 6:00am DM
1/14/2024 0.0 N/A 6:00am DM
1/15/2024 0.0 N/A 6:00am DM
1/16/2024 Tuts 0.05 N/A ; ,. 6:00am RBM
1/17/2024 0.25 c N/A 6:00am DST
1/18/2024 0.0 N/A 6:00am RBM
1/19/2024 0.0 N/A 6:00am DST
1/20/2024 0.0 N/A 6:00am 1M
1/21/2024 0.0 N/A 6:00am JM
1/22/2024 0.0 N/A 6:00am JSM
1/23/2024 0.0 N/A 6:00am JSM
1/24/2024 0.0 N/A 6:00am RBM
1/25/2024 yk�,. 0.25 pf a N/A w/Lc 6:00am RBM
1/26/2024 ; 0.30 N/A tr 6:00am RBM
1/27/2024 0.0 N/A 6:00am TL
1/28/2024 j 1.50 6:00am TL
1/29/2024 440 N 0.0 Ck N/A ,q a z 6:00am JSM
1/30/2024 0.0 N/A 6:00am RBM
1/31/2024 0.10 vrs N/A ¢u c ti 6:00am RBM
'Tt- iVc 0 4.5 4 /6'U%
EHS RF/TSAF/BS/RF-NPDES Flows Rev 2 4/15/2016