Document 2jqy1YeO6L9J9keKpjOQKjkrb

MASKS Kf 0022463 October 20, 1939 Mr. J. C. T a ylo r Bt b yl Ga s o lin e Co r p o r a t io n Ch r ys le r Bu ild in g Hew Yo r k , Hew Yo r k . At t e n t io n Mr . 0 . 3 . Le w is Dear Mr. Le w is: Dr . Fehoe h a s asked no t o r e p ly t o you r q u e s t io n con cer n in g th e u se o f l/ 2 -in ch hose lin e fo r a ir lin e r e s p ir a to r s . Ou r Hu le s an d R e g u la t io n s s p e c i fy t h e u s e o f a i r lin e r e s p ir a t o r s , th e s iz e o f th e a ir lin e b ein g p u r p o s e ly o m it t e d fr om m e n t io n a s a co n s e q u e n ce o f v a r ia tio n in e xis t in g r e fin e r y p r a ct ice s . I t i s seems t o u s t h a t ou r p o s it io n on t h is m atter sh ou ld be as fo llo w s ; w h ile 1 -in ch a ir lin e s a r e d e s ir a b le in t h a t workmen may b r e a t h e th r o u gh them fo r a s h o r t r oer lod o f t im e in t h e e v e n t o f pump fa i lu r e an d we s h o u ld a c c o r d in g ly e n co u r a ge t h e ir use w herever fe a s ib le , sm e lle r a ir lin e s ar e a ls o s a t is fa c t o r y p r ovid ed an ad eq u ate su p p ly o f a ir is su p p lie d to th e workman. " Ve r y t r u ly y o u r s , vi : v r c c Dr . R. A. Keh oe fr i H a r d M a c h ie , U D. 0022464