Document a1Jy03k9ner62RRNwBvRnzd1e

Range-Finding Toxicity Studies. Range-finding toxicity studies on compounds used in industry are conducted in the Foundation's laboratory, upon request, under Dr. Gross with the assistance of Marianne Kaschak, Research Associate. Chemical-Toxicological Series Bulletin No. 6, "Range-Finding Toxicity Data for 43 Compounds," was published in 1967 describing the results in tabular form of these compounds tested over a number of years for several member companies. Full-time laboratory staff assisting Dr. Gross in the above studies are: Mary Ann Babyak, Margaret H. Cooper, Guy E. Dent, Marianne Kaschak, Dawn McGuire, Leon Miller, Ethel B. Tolker and Dr. H. Michael D. Utidjian. ( I Operating apparatus for concentrated vapor exposure for acute inhalation toxicity studies is Guy E. Dent (above). Mary Ann Babyak, Guy E. Dent, and Marianne Kaschak using team effort to adjust a Wright Dust Feed Mechanism used for long-term inhalation exposure studies (upper right). Ethel B. Tolker examines 6lide for alveolar clearance cell counts, assisted by Marianne Kaschak (opposite). 7