Document oD9ZkE2ZeV8qzENXZeDdNXj3E

AERO * SPACE DI VISION Monsanto Chemical Company 900 PM LirdLer r(h Ilvd. Ot Louis 06. Missouri July 30, 1963 Attn: Mr. Firmer P. '.'heeler Ass i gtftnt director, Med. Dept.. Gentlemen: We wish to thank you for your past cooperation In furnishing us Information on your products. We desire similar information on the chemical, physical, and toxicologi cal properties of your following products: PYDPAUL AC Enclosed are data sheets for each product. These data sheets are prepared as a guide for vendors in supplying information which will assist us in making recommendations with regard to local exhaust ventilation, protective clothing, electrical equipment, fire extingulohers and similar items. As pointed out before, we consider item Qg the most important part of the data sheet. Information In regard to a material's composition will be treated as confidentlaj and used for the purpose of protecting the health and safety of Boeing employees and the preservation of its property. If you feel it necessary to withhold the exact formulation of a product, we would appreciate receiving a list of Ingredients, including thr approximate percentage of its major components. Tor example, if an exact formulation of a material is: Methylene chloride 50# Methyl ethyl ketone 35# Toluene 14.5# Lenzene 0.5# a satisfactory completion of item 0 g would be as follows: Methylene chloride Over 4o# Methyl ethyl ketone 20 - 4o # Toluene Less than 25* Benzene Impurity Your earliest reply will be greatly appreciated. Yours very truly, M. J. Hipp Industrial Hygiene PS: This data, with the exception of item "5" Ingredients, has been received from Monn^-to. Pydraul AC is being used as a lubricant for high pressure air compressors and comr*.: V.i: have been received of obnoxious odors from the compressor. '9e are Interested ir t' o Ingredients this odor and their toxicological effect. mans 091084