Document nkYzag0mBQq7wexX7kN0nYM16

S t. bouls, Missouri Mr. H. X. Armstrong Roberts Building M essrs*i 0 . ft. Bucitanan - Robts* R. K. Hatton - M.O. F . H. Langenfeld-ftobta. Jonuaiy 21, 1957 H. B, LitEslnger-Robta. 0 , K. Sldo-V#hington,D yyDRAUL 150 Cr. Treon end X epent on afternoon with the Navy people to discu ss Pydraul 150. Those present were Captain Shone, Captain A lv ls, Captain S essio n s, Commander Slegal end Mr. Mickey A lbert. They discussed th e ir Inforestion con cerning Pydraul 150 which was obtained a t the Naval In stitu te of Medical Roseai-ch. While reports were not a v a ilab le , they had the following gorvtu-al dotat f.k.ln applications of Pydraul 150 esueed death In o i l o f tlio ra b b its te ste d , (Xho amount administered was not given .) A l l '.co amount of Ccllulubc 220 did not cause any deaths. V.it Inhalation of 10 milligrams of Pydreul 150 per cubic meter or approximately 2 tenths o f a part of the Ai'oclor component pov m illion fo r hours a day. fo r 50 days couocd, s t a t is t i c a ll y , d efin ite liv e r damage-. No matter hew we discussed the situ atio n . I t was Impossible to chart;-,e the ir thinking that Pydraul 150 lo Ju st too toxic- fo r uoo In a submarine. Xt may be that ouch concentratio n s would never be reached In the submarine but the Navy dcos not eppoar w illin g to even put t.to m aterial in a t r i a l run to see I f i t w ill work. I t would appear, th erefore, that wo should discontinue to s e l l Pydraul 150 fo r th is p a rtic u la r application and try to develop a hydraulic flu id without Aroclor a s one of i t s componenta. Xn th is oonnoctlon, Cellulube 220 la net used In a submarine but I t was used In th is to st merely a s e yardstick. The Navy aald they did not have any competitive flu id fa r enough along englneering<(i5e to even consider the to x icity of It. REKtSMl R. Emmet Nelly, MJ>. SONS 09 5640