Liberte Environmental Associates



Air Quality Permits Potentially Affecting Water Quality


Current Draft Air Discharge Permit- Released by Oregon Department of Environmental Quality


Hercules, Inc.: Draft Air Discharge Permit Related Documents

The DEQ comment period for this proposed renewal of an Air Contaminant Discharge Permit ends April 9, 2007. The facility is located in Portland, Oregon and operates an industrial inorganic and organic chemical manufacturing and distribution facility. The proposed permit would place no limit on carbon dioxide, a key global greenhouse gas.

Hercules, Inc. Public Notice

Hercules, Inc. Draft Standard Air Contaminant Discharge Permit

Hercules, Inc. Draft Review Report