Document GXQVveKYZJObR184J24L549q

CC fcr f. ^frittibuigh 80C Nr ? ?*?**( ** fss. B*rfn/Vyohoff - Gen, foe. July 15# 1958 Mr. Atfis Biok Pittsburgh fists Glass Ooopsny M.B. duyutn Division ' Island and Preble Avenues Pittsburgh, Pennsylvania Dsar Mr. Ksokt Your inquiry oonosming toxicity inforastion on ths subject material hss boon referred to as by Mr. Wright of our Pittsburgh Office. ere vs eeas up against ths old problem of ths toxicity of a eoopound in relationship to ths exposure. Whsthsr a hssard axists or pot obviously dspsnds upon both fsotors. Nontar fuass at kOQr F. mat not bs brssthsd for any con tinuous period of tins or in a rspstitlvs opsrstion. If your van is ventilated, X would imagine that you will not got any harmful exposure. Oertainly, you would havs a vary marked odor prsssnt if any sissbls amount of fuass wars hot drawn off. We drain our stills at $80 C. under a largs hood whioh is oonnsstad to a blovsr. we cat sons odor but nothing of an unsafa concentration is rsaohsd. Without knowing pour installation, Z an only guess as to whsthsr or not pour ventilation apstaa is adequate. Osrtainly. in aontiauous opsrstion plants using similar material, ths exhaust problem has not been a major ona. *. if I sen bs of any further help to you, please writs ns disastly. .. Very truly pours. gaa* D. A - lip Msdieel aster ' [} DSW 018673 STLCOPCB4005217