NC0090212_Correspondence_20240325

Baker, Caroline D
From: Ventaloro, Christopher
Sent: Monday, March 25, 2024 10:56 AM
To: Chernikov, Sergei
Subject: Re: question
Hi, Sergei. The Class WS criterion for manganese was removed from the 02B standards effective January 1,
2025. EPA approved of the removal of the manganese criterion in a decision document letter dated April 6,
2016.
Christopher Ventaloro (he/him)
Water Quality Standards Coordinator
Classifications, Standards & Rules Review Branch
Division of Water Resources
North Carolina Department of Environmental Quality
919 707-9016 office
[e-mail]
DEQ has updated its email addresses to @deq.nc.gov. Employee email addresses may look different, but email
performance will not be impacted.
Website: https://deg.nc.gov/about/divisions/water-resources/planning/classification-standards
Mailing Address: 1611 Mail Service Center Raleigh, NC 27699-1611
Physical Address: 512 North Salisbury St., Raleigh, NC 27604
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Chernikov, Sergei <[e-mail]>
Sent: Monday, March 25, 2024 10:42 AM
To: Ventaloro, Christopher <[e-mail]>
Subject: question
Chris,
Do you knowwhen the DWR removed Mn standard?
Thank you!
Sergei
Sergei Chernikov, Ph.D.
Environmental Engineer III
Industrial NPDES Permitting Unit
NEW Tel. [phone]
1617 Mail Service Center, Raleigh, NC 27699-1617

Express Mail: 512 N. Salisbury St., Raleigh, NC 27604
NEW E-MAIL:[e-mail]
Email correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties by an authorized
state official.