Document ymob3Bqogz7LnQ2mDpOM6ykJr

Interoffice Communication To Charles Whetstone, M.D. - Ponca City From Jerald Uptain - Aberdeen Date February 17, 1977 Subject HEAVY METAL CONTENT OF PVC COMPOUND During your recent visit, you had some questions about the identification of the heavy metal chemicals in our PVC compounds. Following is a list of those chemicals: Dibasic Lead Stearate Dibasic Lead Phthalate Dibasic Lead Phosphite Lead Chromate Modified Lead Sulfate Modified Tribasic Lead Sulfate Antimony Trioxide Alkytin Mercaptoacid Ester Di (N-Butyl) Tin SS - Bis (Isoctyl Mercapto Acetate) Identification of the barium, cadmium, zinc and antimony materials is less certain, most being listed as "complexes", ''salts", or "proprietary" in nature. c: A1 Sather VAB.0001053525