great lakes regional air toxic emissions inventory report initial using 1993 data march 1999 us environmental protection agency under the clean act sections 112 c k and m submitted by to commission 400 fourth street region 5 ann arbor mi 48103 4816 77 west jackson blvd chicago il 60604 on behalf of illinois division pollution control indiana department or management office michigan quality minnesota indicator unit new york conservation resources ohio ontario ministry environment monitoring reporting branch pennsylvania wisconsin natural bureau ii dedication this is dedicated memory carol a ratza longtime manager communications information program at with unique vision helped create served as project until her death in september 1997 creative thinking lasting devotion