EPA's IG found in a new report [1] that EPA’s procedures for handling confidential business information (CBI) requests "are predisposed to protect industry information rather than to provide public access to health and safety studies," and the EPA should "develop CBI classification criteria to improve EPA’s transparency."
Links:
[1] http://www.epa.gov/oig/reports/2010/20100217-10-P-0066.pdf