The EPA's Examination displays that A great deal in the ozone transportation problem remaining analyzed in this motion is still the results of the collective impacts of contributions from upwind states. Therefore, software of a reliable contribution threshold is necessary to establish All those upwind states that ought to have duty for addressing t

For these motives, this last motion is nationally applicable or, alternatively, the Administrator is training the entire discretion afforded to him because of the CAA and finds this closing motion relies on a determination of nationwide scope or result for functions of CAA portion 307(b)(1) and is also publishing that locating during the Federal Si