Document b56wovDwD8OXqMa0Q8vRBmr0D

"HZZSHCLD L1MIT VALUES POE SumSTANCE Mj. ?er Diniirotolucne ...................................... Dinitro-o-cresol .................................... E?N (O'Cihyl 0-,**niirophenyt 1.5 0.2 thionobcnrencphosphonaie) ............. Fcrbam (ferric dimethyl d: t hi ocarhamate ....................... FerrovaiiAditim dint ............................ Fluoride ................................................. Hydrortuinone ............... ..................... Iren oxide lume............... ................. Lead ....................................................... Lead arsenate ...................................... Lindane (hexachloroeycioheKane, gamma isomer) ............................... Magnesium oxide fume ..................... Malathicn (O.O-ditr.ethyl dithinphos- phate of diethyl mtrcaptotuccinate) Manganese ........................................... Mercury .................................................. Mercury (organic compounds) ...... Me'.hoxyehlor (2,2-di-^-methoxy- 0.5 15 1 zs 2 15 0.2 0.15 0.5 15 15 6 ai o.oi phenyl-l.l.i.l-trichloroethane) ........ Molybdenum (soluble compounds) ....................... (insoluble compounds) ................... Nicotine .................................................. ) 15 ai Parathion (O.O-dielhyl-O-^-nitrophenyl thiophotphate) ..................... Pentach.'oronaphthalene ...................... Per.tacidorophencl .............................. Phosphorus (yellow)............................ Phosphorus pentaehloride................... Phoipr.oru! pentasulfide....................... Picric add ............................................ Pyrethrum .......................................... . Rotcrone ............................................... Selenium compounds (as Se) ............ ai 05 05 01 1 1 0.1 2 5 01 per Sucstaxce Sodium fluoroncet.-.tc (1050) ....... Sodium hydroxide .......................... Strychnine ......................... ............... Suliuric acid .................................... TEDP (tetraethyl dithiouopyro- phosphatc) ................................ . TEPP (tetraethyl pyrophosphate) Tellurium ...................................... Tetryl (2,4.6-trinitrophenylme:hyl- r.itramine) ...................................... Thallium (soluble compounds) ... Tltiram (tetrameihvl tltiuram disulfide) ........................................ Titanium dioxide............................. Trichloronapltthalene ....................... Trinitrotoluene .............................. Uranium (soluble compounds) ............... . (insoluble compounds) ............... Vanadium (V.O. dust) ................................. (V.O. fume) ............................ Warfarin (3-[a-acc:cnylfceniylj-4hydroxycoumnrin) ..................... Zinc oxide fumes ......................... . Zirconium compounds (os Zr) ... Ctt. M. S 0.1 2 0.15 1 02 0.05 0.1 1.3 0.1 5 15 5 0.05 025 0.5 0.1 0.5 15 5 Radioactivity: For oerotittible concentration* of radim iwreor) in air. tee "Maximum Prmuiiiote Amount! of RaCioitotonea in Uve Human iSxJr and Slaximitm Ptrmit. * aitie Concentrations in Air and Water." Har.ubooie SC. U, S. Drpartmmt of Commerei. National 3ureau of Standard). Maren, 1953. In addition, ice "Permuuhtr Doit trora External Sourer) of lontime Palliation." Handboot.- S3. U. S. Deportment of Commerce. National Bureau of Standards. Scot 2a, I9S4. U. S. Department of Commerce Handbook 32 all been luce Meetrd be Handbook SO. "Maximum Hcrmiitittie Code Burcrrt) and Maximum PermtMthle Concrtttrationi of Radionuclide) in Air and in Water for Qcraraiioiuil Ea. pciure." tuSlnturnt to the prrtcmatiott of this report. Handbook S'). U. S. Department of Commerce, liaa been rented Sr addition of addendum, April ti. Id-5. I Mt.iicrams of duau fume, or mist per cubic meter of air. Mineral Dusts Substance amppcf Aluminum oxide .'.................. . Asbestos .......................................... ... Dust (nuisance, no free silica) .. Mica (Selow S7i free silica) .... ... Portl.-trul cement ............................ Talc .................................................. s` 50 20 50 20 Substance MPPCF! Silica high (above 50To free SiO:) ......... medium (5 toSOTofree SiOi)............ low (below S9freeSiOi)..................... Silican carbide ....................................... Soapstone (below 5% free SiOi) ... 5 20 50 50 20 | Million) of particle) per cubic foot of air. 1 i TENTATIVE VALUES 1 i \ Substance Approx. Mg. PPM I per Cu. M.- Substance Approx. Mg. PPM 5 per Ctu M.- t\ Allyl glycidyl ether Butyl mercaptan .......... ... 10 35 i \ (AGE) ........................ .. Boron tfitluoride............ 10 l 45 3 Chlorine dioxide ...... Chloroncetnldchyde .... l 0.J 3 n-Butyl glyeitlyl ether -- Chlorobromomcthane r (RGc) ....................... .. SO . 270 (ClBrCHt) ................ 2,100 97/250 :!