NCS000373_Email RE Benchmark Exceedance_20240418

Peterson, Kathryn S
From: Alyssa Bass <[e-mail]>
Sent: Thursday, April 18, 2024 10:45 AM
To: Peterson, Kathryn S
Subject: [External] Re: NCS000373 Benchmark Exceedance
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Good morning Kathryn,
I just received the laboratory results from the samples taken on 4/3/24. 1 need to also report that we
had a Tier 1 exceedance for COD for SD02. Our permit limit is 120 mg/L and the results came back
at 252 mg/L.
We believe we have found the cause of the low pH at SD01 and the high COD from SD02. It is two
separate issues that we plan to begin the work to remedy starting next week.
Best,
Alyssa BASS
Site Environmental Specialist
Michelin North America, Inc. - US11
40589 S Stanly School Rd, Norwood, NC 28128
Tel: [phone]
@: alyssa.bass(a)-michelin.com
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From: Peterson, Kathryn S<[e-mail]>
Sent: Monday, April 15, 2024 1:53 PM
To:Alyssa Bass<[e-mail]>
Subject: [EXT] NCS000373 Benchmark Exceedance
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Hi Alyssa,
Your Tier 1 exceedance for pH has be been received by the DEQ. Please let us know of any updates, and
if you need any technical assistance.
Best,
Kathryn
Kathryn Peterson
Assistant Regional Engineer
North Carolina Department of Environmental Quality
Division of Energy, Mineral and Land Resources
Office: [phone]
Mobile: [phone]
Email: [e-mail]
Mooresville Regional Office
610 East Center Avenue, Suite 301
Mooresville, NC 28115
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