Document vV6V419do7gedvNzGvxGBxdem

From Monsanto Chemi al Company Ai Washington, D. C. Date June 1, 1956 ^3. H. Litzsinger - Rob'ts '"Roger Hatton - M.O. To Dr. R. Emmet Kelly At M.O. Reference Submarine Use Subject Pydraul 150 Glad to hear you will be able to be here for the meeting with BuShips and BuMed people on June 6. Toxicity investigation of Pydraul 150 for submarine UBe has resulted in BuMed conclusions that its Bafe air concentration limits are too close to what might be achieved in use. Their sights on exposure time have changed drastically through success of atomic power; that is, submerge times are now weeks rather than hours. BuMed's recommendations in this regard are that Pydraul 150 should not be used. A decision is not cold cut and judgement is the predominant factor. They have asked for this meeting to clarify and discuss this decision. People to be present are Commander Siegel from BuMed, Mickey Alpert from BuShips chemistry branch, Capt. Alvis, BuShips liason with BuMed and Mr. Curran of the Sub-type group, in BuShips. .. JO Ii It is our hope that if Pydraul 150 is not successful we can get their requirements well defined physically and medically to assist in submission of a successful safety fluid. In this re gard it seems that toxicity is possibly the most critical requirement for the introduction of a product. You might keep i0S-70 and OS-16 (Santicizer 1^1) in mind as products which sales feel have adequate fire resistance; and pending the outcome of this meeting they will be interested in your Judgement of medical aspects and limitations. Looking forward to seeing you W< GRS/s ! .. ' IN' III DSW 162466 STLCOPCB4041039