Document G65XYgvjjNZaJa2j7OJNgevZv

158 CHAPTER 8 r .1958 Guide?# 'h-m ^rs?' Table 3. Maximum Al^wable Conceni^tipn of Gases Vnd Vapors ASA Stand* ABD8 i - , M*A.C. Threshold Limit Values A.C.G.I.H.* 1957 . ,, ppmb ; r volume 1 ` ppmb g/cu m or Oz/1000 cu* Acetaldehyde................... '}Acetic acid................... I Acetic anhydride............ Acetone............................ .. Acrolein.............................. Acrylonitrile..................... Allyl alcohol..................... (x) Allyl chloride.................. Allyl propyl disulfide.. Ammonia. Amyl acetate.-------- 'Amyl alcohol (iso) ... i Aniline............................ Arsine............................. - Benzene (benzol)........ Benzyl chloride........... . .Bromine....................... Butadiene (1,3-butadiene)....... Butanone (methyl ethyl ketone). - Butyl acetate (n-butyl acetate). Butyl alcohol (n-butanol)....... Butylamine........ -............. ' -- Butyl cellosolve (2-butoxyethanol) - Carbon dioxide-- - Carbon disulfide.: Carbon monoxide/.............................................. Carbon tetrachloride................................ Cellosolve (2-ethoxyethanol)........................... Cellosolve acetate (2-ethoxyethyl acetate). Chlorine. Chlorine trifluoride.. Chlorobenzene (monochlorobenzene). Chloroform (trichloromethane)............ 1-Chloro-l-nitropropane.......................... (x) Chloropicrin.................................................. Chloroprene (2-chloro-l, 3-butadiene). Cresol (all isomers).................................... Cyclohexane................................................. Cyclohexanol................................................ Cyclohexanone............................................. Cyclohexene... Cyclopropane. (x) Decaborane......................................... , , . .Diacetone aloohol (4-hydroxy-4:methyl-2-pentanone). Diborane............................ .................................... o-Dichlorobenzene............................................... Dichlorodifluoromethane................ .............. 1, 1-Dichloroethane.......................................... . 1.2-Dichloroethane (ethylene dichloride). 1.2-Dichloroetbylene.................... ...................... Dichloroethyl ether.................. Dichloromonofluoromethane. 1,1-Dichloro-l-nitroethane.. Dichlorotetrafluoroethane.... Diethylamine.............................. Difluorodibromomethane.......................... Diisobutvl ketone........................................ Dimethylaniline (N-dimethylamline) Dimethylsulfate............................................ Dioxane (diethylene dioxide).................. 200 ,, . 10 5 '1000 0.5. 20 , s -5 5 .. 2 ' 100` 200 100 5 ' 0.05 100 - -25 1 ... -; 20 ; r, 1 .1 1000 !:250 . 200 : 100 5 500 - . 5000 ,20 < -100 ' 100 25 200 100 1 0.1 75 100 20 .1 ,j . . . r 25 5 400 . 100 .100 ' 400 , 400 0.05 50 0.1 50 1000 100 100 200 15 1000 10 1000 25 100 50 5 100 0.360 , 0.025 0.020 2.400 0.0012 iii. 0.045 .0.012 0.015 .0.012 0.070 * 1.050 0.360 .0.019 0.0002 0.080 0.005 0.007 2.200 0.740 . ,0.950 0.300 0.015 0.240 9.000 . 0.060 0.110 0.160 0.740 0.540 0.003 0.0004 0.350 0.490 0.100 0.007 0.090 0.022 1.400 0.410 . 0.400 ! 1.350 0.690 0.0003 0.240 0.0001 0.300 . 4.95 .. 0.400 0.400. 0.790 0.090 4.200 0.060 7.00 0.75 0.860 0.290 0.025 0.005 0.360 Air Contaminants .159 Table 3. Maximum Allowable Concentration of Gases and Vapors (Continued) Substance ASA Stand ards M.A.C. ppmb by volume Ethyl acetate.................... (x) Ethyl acrylate................... Ethyl alcohol (ethanol) . Ethylamine........................ Ethyl benzene........ Ethyl bromide.................. Ethyl chloride................... Ethyl ether........................ Ethyl formate................... Ethyl silicate............................................................. Ethylene chlorhydrin............................................. Ethylenediamine...................................................... Ethylenedibromide (1,2-dibromoethane)___ Ethylene imine......................................................... Ethylene oxide........................................ Fluorine..................................................... Fluorotrichloromethane....................... Formaldehyde........................................ (x) Furfural..................................................... Heptane (n-heptane).............................................. Hexane (n-hexane).................................................. Hexanone (methyl butyl ketone)...................... Hexone (methyl isobutyl ketone)..................... Hydrazine.................................................. Hydrogen bromide......................... !.!!!!!!!!.'!! Hydrogen chloride........................................ " Hydrogen cyanide...................................... "!!!!! Hydrogen fluoride................................................... Hydrogen peroxide, 90%. Hydrogen selenide... Hydrogen sulfide............. Iodine................................. Isophorone.......................... Isopropylamine............ Mesityl oxide......... ..................................................... Methyl acetate........................ , Methyl acetylene.................... W Methyl acrylate...................... ^cobol (methanol)... Methyl bromide.... "^osolve' (2-methoxyethanoi) mono- Methyl chloride............ Methylal (duncthoiymrthanB) !! SStSSLsSSssJSSi'1-1-1 Wchloroeth"e)- Methylcydohexanoi....... .................. Methyleyclohexanone. Methyl formate Methvlenp^Kl^-^Vj?0! ("ethylamyi alcohol) . "aphtlSt^,0^ <d'Chl0rO,nethan,!)................... Naphtha (petroleum) ... . P-Nitxoaniline. ......... Nitrobenxene........ 10 20 200 Threshold Limit Values A.C.G.I.H. 1957 ppmb 400 25 1000 25 200 200 1000 400 100 100 5 10 25 5 50 ' 0.1 1000 5 5 500 500 500 100 100 1 5 5 10 3 1 0.05 20 1 25 5 50 200 1000 10 200 20 25 25 .100 1000 500 500 100 . 100 ; 100 25 500 200 500 0.001 *5 1 1 g/cu m or Os/1000 cu ft 1.400 0.100 1.900 0.045 0.870 0.890 2.600 / 1.200 0.300 0.850 . . 0.016. 0.030 0.190 0.009 : 0.090 0.0002 5.600 0.006 0.020 2.000 2.000 1.80 0.410 0.410 0!0013 0.017 0.007 0.011 . .0.002 0.0014 0.0002 0.030 0.01 0.140 0.012 .0.200 0.610 1.650 0.035 0.260 0.080 0.080 0.120 0.210 3.100 2.700 2.000 0.470 0.460 0.250 0.100 1.750 0.800 2.000 . 0.000007 0.025 0.006 0.005