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X    PW =h1990 Clean Air Act  Air Toxics (Stationary Sources)5!($tPhase 1- Technology-based controls (MACT) on major sources of air toxics 96 standards covering 174 source categories over 14 years Phase 2  Risk-based rulemaking (8 years later) for sources posing  residual risk 1st rule (coke ovens) issued March 31, 2005 7 more final decisions projected for 2006 Looming statutory deadlines on many more Remainder scattered in bins thru 2012 Other Area Source Standards -112(k), MACT Review, New Source, & IZ:ZSZZZ:ZI:S :  hAir Quality Management in the U.S.  External Review55(National Research Council Report (Jan 2004): Five areas of recommendations including & Strengthen scientific and technical capacity, Develop integrated program for criteria & hazardous air pollutants, Enhance protection of ecosystems and public welfare, & Clean Air Advisory Committee Report: Recommended short-term actions (Dec 2004) Deliberations underway for longer-term actions -*%Z-*.D7%  Z!Challenges for Air Toxics Program""(,Improved communication of air toxics program progress & future actions Tracking & projecting trends MACT, mobile source, residual risk, area source, & Comprehensive air pollution strategies Integrating air toxics & criteria pollutants Benefits assessment, control strategies, & G3'-+G3'  -+-Challenges for Air Toxics Program (continued)..(hAccomplishing  more with less Avoiding undue effort on low risk source categories Focusing effort on higher risk source categories Innovative approaches Changing science Keeping up to date Synchronizing availability of assessment information (source, dose-response, controls) with regulatory decision datesT{{%-Challenges for Air Toxics Program (continued)..(SEmerging toxics issues Keeping program current while implementing 15 year old Act BZ;ZZ;#,Air Toxics  Progress!" 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Changes involving the ways SIPs are developed, processed and evaluated are necessary We should take steps toward controlling criteria and toxic air pollutants (also known as hazardous air pollutants or HAPs) in a more integrated fashion Finally, a great deal of work remains to be done in the areas of ecosystem protection and public welfare improvements. D#b,: "H h 0i ? 3380___PPT10./ ;d 0 $(  d  c $ 69     s *   F   Stats: - 1970-1990: 7 stds that reduced air toxics emissions 125,000 tons cumulatively. - 500,000 MSAT figure doesn't incl. 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