Document GKxXMD9mQMZe7v1yeXqkkY3EN

SYSTEMS,' INC. GAS MONITORING DOSIMETERS August 25, 1983 / Thomas G. Grumbles, Director Industrial Hygiene CONOCO Chemicals Co. 15990 North Barker's Landing Road P.0. Box 19029 Houston, TX 77224 Dear Tom, Herewith a copy of my letter to A1 Sather plus enclosures as requested. Concerning vinyl chloride, you might be interested to exchange experiences with a contact we have at B.F. GOODRICH CO. in Ohio. His name is Dr. Paul Zakriski Manager, Corporate Environmental Services B.F. Goodrich Co. Research & Development Center 9921 Brecksville Road Brecksville, Ohio 44141 Tel. (216) 447-5411 Paul has been carrying out some lab and field test work with our 530 Series badges and is certainly most knowledgeable on the subject of vinyl chloride monitoring. We are currently working towards optimizing a system for VC with some feedback from his results. I have not mentioned your name to him, so please act accordingly, but I am sure that he woultj not mind my having done so. Hope this is of help. Sincerely GM/ dmg Enclosures Gerald Moore President SAL 000110732 345 THOMAS ROAD McMURRAY, PENNSYLVANIA 15317 U.S.A. (412) 941-7177