Document y8KYLEeOjzv2xMGemLrzKGq2

MJWxto Chemical, Company Al Aaalstoa, Alikiw !'s Co`,"y Dstc 3opt. 30, 1937 To Mr. A'. %/ St./Ladle__ At RoBerts Bldg. / KEK/JBC 2/25/57 ^>. B. Jfteeer W. J/ Doughsrtj C./k. Sweets lop on e-WGK A.MJKllssburg-Mala Office T -X-Deltoo Kelly-Mala Offlea Subject: TOXICITY OF MORTARS la the rafereace at Kelly advised that ha had ao laboratory toxicological data i Moatara but felt cartala they could cauaa ohloracae elallar to ehlorlaatad aaphthaleaae aad dlphaayla, aad, eacoadly, they causa liver trouble by lahalatloa of tha fuses liberated at alt taaparsturas. Ha roccaaaadad that tha aaxlaun allovabla ftsaacbaeeatratloa be sat at 0.5 allllgraas par cubic astar of air for exposure data laforaatloa to our cuatoaara. we drala Moatara at 380C. froa our stills sa average of y vhaa operatlag at aaxlaua rata. Tha oparatloa la parforaad tga hoods which I ballava ara affaetlva la protactlag our However, It la possible that soaia fuses aay aaeapa lato tha area dua to wind eurreate or laedequaclea la our blower ayataa. t*te, I would Ilka to gat a few readlags la tha dapartsaat to ara safe. Caa you fuValah aa a detailed procedure for datarslalag tha coacaatratloa of Moatara la air? Also, has aay further laforaatloa relative to toxicity beam developed? C. M. Bdalblut