Document mmo0z5jrxj4egZRVK1KBL9o5J

FILE NAME: WR Grace (WRG) DATE: July 16, 1942 DOC#: WRG046 DOCUMENT DESCRIPTION: 1942 Letter to Universal Zonolite Insulation Company from Division of Industrial Hygiene. J-.-.ly 26, 1 Ur* John Leyor, 'zuia^or | Universal " m o lito Insulation Company ' Libby, Montana Eoar Mr* l!e y ,rj Vilion I v is ite d you loo t December, you mentioned that you planned to in s t a ll control equipment in tho r .i l l a t tha nine and th at whoa th is work was completed, you would lil:o to hare studios reads to coteraine tho offeotivonoss of tho equipment. In order to elim inate unaocoseary d rivin g, I v/ould npprooiato your n o tify in g no as to the status o f tM .s in s t a lla t io n . For^rour conronienco, I a n onolo sin g a postcard, vhioh i f you w ill f i l l out end return to tie , w ill give me tha information dosi red, Ifcenking;ymfc in edvonoo fo r th is information and hoping to boo you. in tha-noar fu tu re , I an. :V e r y truly yours,