01124nam 2200169z- 450 9910712897803321(CKB)5470000002497200(EXLCZ)99547000000249720020230509c1979uuuu -u- -engAnalysis of technical issues relating to: California's request for waiver of federal preemption with respect to optional 100,000-mile exhaust emission standards and test procedures for 1980 and subsequent model year light-duty vehicles and 1981 and subseStandards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection AgencyAnn Arbor, MichAnalysis of technical issues relating toBOOK9910712897803321Analysis of technical issues relating to: California's request for waiver of federal preemption with respect to optional 100,000-mile exhaust emission standards and test procedures for 1980 and subsequent model year light-duty vehicles and 1981 and subse3324536UNINA