DEP Invites Comments On Revised Hazardous Sites Cleanup Plan For The Keystone Metals Reduction Site In Cheswick Boro, Allegheny County

The Department of Environmental Protection published notice in the August 1 PA Bulletin inviting comments on a revised Hazardous Sites Cleanup Plan for the Keystone Metals Reduction Site in Cheswick Boro, Allegheny County. (PA Bulletin, page 4622)

DEP is reopening the administrative record for this Hazardous Sites Cleanup Act site as a result of new information becoming available that will allow a more focused and cost effective approach to cleaning up the site while limiting disruptions to the active business and buildings on the site.

The new information contained in the administrative record will be open for comment from August 1, 2026, through September 30, 2026.  

Comments should be sent to Stefanie Olds, Department of Environmental Protection, Hazardous Sites Cleanup Program, Southwest Regional Office, 400 Waterfront Drive, Pittsburgh, PA 15222 or by emailing RA-EPSW-HSCA@pa.gov.  

Copies of the administrative record are available electronically by contacting Stefanie Olds at (412) 442-4041 or by sending email to: stolds@pa.gov. 

Read the entire PA Bulletin notice for more information. (PA Bulletin, page 4622)

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[Posted: July 31, 2026]  PA Environment Digest