Document YjJnk88RwrMb25zO7Yak6RYek

FILE NAME: National Gypsum (NG) DATE: 1952 Mar 11 DOC#: NG009 DOCUMENT DESCRIPTION: Letter to IN Dept of Health from NG Director of Safety RE Ingredients & Manufacturing of Thermacoustic r. T.* " .h F. V.'. g . w. .-.-.ldt )u s G W . 1'a.r.dy H* A. Gcrir.shaw R# J, Koehler March 11# l?i>2 L. W. Gpolyar, n. n, Director Division of Industrial Hygiene State of Indiana Board of Health Indianapolis, Indiana Dear Dr* Cpolyari Tour Fobruary 26 letter addressed to cur ?'r* 0. K 'illis Alexandria Plant Manager has been referred t.o .r.o* We manufacture Theraacoustic b y mixing ingredients es follovs I Granulated Mineral Wool type X Amosito (asbestos) Portland Cement Starch Cut Fungicide Even though our nixing operation is enclosed and exhaust ventilation is used tro make available for the men vfco operate the sixers a Mine Safety Appliances (Comfo) Dust Respirator, Btf-2130 for Fibrosis producing dusts and ::icta* Vie feel this protection is necessary because of the asbestos used in tho product* If thero is dust present vhere Thermacoustic is being applied on the job at Ft* Harrison, in my opinion, the applicators should vear the sans equipment* Ton n a y recall that I worked v'ith your Mr* Bumbatead several years ago on a problem at Alexandria and as the result gained respect for your department* If there la anything further y o u would like to know that pertains to the Ft* Harrison job please do not hesitate to ask* Tory truly your, . ^ 99G1 h:c;:r/pk K C. K. Pollard Director of Jafety