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Opportunities for reducing ferric chloride from the etching ofsteel



   An Indiana facility is looking for opportunities to reduce the generation of ferric chloride resulting from the etching of stainless and carbon steel.  The facility is in the business of sheet metal coating and allied service.  Additionally, examples of facilities that have made substitutions, process enhancements, etc. to reduce the generation of ferric chloride would be appreciated as well.  Any help would be appreciated.
Thank you!

Mark C. Stoddard
IDEM
Office of Pollution Prevention & Technical Assistance
mstoddar@dem.state.in.us