ruckelshaus, i know that the attorneyeneral is very sorry to lose him, t the nation is very fornate toetthe first adminisator of this vitally importantgency. i'm very honored mr. president. i promise do the best job that i possibly can. [ applause ] was the feeling back then that you could do a 100% job of cleaning up the environmen yes, a a lot of that is reflected in the laws thatre still on the books. there was a sense that we knew what the bad pollutants were we knew how to measure them, we knew what the health and environmental effects of tse pollutants were. we had technology that was reasonably ailab at a reasonable cost tossentially eliminate that pollution. that was -- all of that we assumions writn into theaw at time. and ma of ose assumponsare stilthere. and byheaythey're alwrong. welllet's ke e clean aiac the intento eliminate smog how was at supse work? wellthe elements of smog are nitrogenxideanhyocarns that interact in sunlight, they combine in sunlight and cause photochemical oxidants, or smog. now, those two pollutants -- hydrocarbons and hydrogen oxides -- come primaril