Search Results for the EPA National Library Catalog

Items Found: 7

Showing: Items 1 - 7

Your Search: (SUBJECT=Helena Montana)


Select Item Title Year Published
East Helena Report 1969
Evaluation of SO2 Emission Control Technology Applicable to the East Helena Lead Smelter. 1975
Full-scale evaluation of activated bio-filter wastewater treatment process {microform} / 1982
Helena Valley, Montana, area environmental pollution study. 1972
In Situ Source Control of Acid Generation Using Sulfate-Reducing Bacteria. 2008
Landfill Gas and Leachate Monitoring: Helena, Montana - A Technical Assistance Panels Program Report. 1981
Superfund record of decision : East Helena, MT : first remedial action. 1989

Save, Print or Email Selected Records