Corporations and other entities would be able to keep confidential reports they prepare on environmental problems under legislation approved by the Arizona House.
Supporters say the protection for environmental audits would encourage companies to voluntarily take stock of their activities’ environmental impacts and to report and correct violations.
Critics describe the measure as a “pollution protection act” and say it means information on pollution problems might not see the light of day.
Then-Gov. Fife Symington vetoed similar legislation in the 1990s.
The House’s 38-18 vote for the bill on Thursday sends it to the Senate.