The joint comments submitted by 12 Attorneys General on Toxic Release Inventory Burden Reduction contains summary information on the United States TRI program and analysis of the US EPA's calculation of the cost savings for non-PBT chemicals and nondioxin PBT chemicals of the reform. The Agency's original cost estimates can be found in 70 Fed. Reg. at 57845.(Original source: http://www.ombwatch.org/tricenter/AG'sComments.pdf)