Document jm4bVrYmZZqKDERenz1dQNyeZ

Bloomington, Illinois February 18, 1937 l!r* C* M. House-PSRSONAL Referring to your mimeographed letter of February 17 th, to Ur* Moses road others with a copie to various foremen referring to the Occupational Diaeeee Act, state of Illinois with attached sheets containing reccoeunendations cover ing rules end instructions for provention of silicosis end ashestosis. On the sheet referring to the prevention of silicosis Item #2 states "air furnished for these masks oust be clean and dry"* A serious question arises in ay mind ns to vhether our sand-blast masks deliver air nhicb la satisfact orily free from sand and dust* I think the comnlttee should advise us juat hat type of sand-blast mask is considered sui:Lae.ie-And..ParhaP3--1we--in-afl.di.l3.on. liOTrld~wate-cKe'(flt8 to 'determine if the type mask being used here,..ls..entirely,, ffegfive" aa ou'tlfnolin[n":he..reg.op.moewila'fion8 coVar'ingthe'rules and Ins true t- ons for ihe prevention of sillcoaisr "".......... * "*"* Oils for your consideration* SiC