Document qmR78yNVZX5Eao89JjMD0JD3x

the list The suggestions should be ac companied by substantiating evidence The list of Intended Changes follows the Adopted Values in the TLV booklet Legal status. By publication in the Federal Register (Vol 36, No 105, May 29, 1971) the Threshold Limit Values are now official federal standards for industrial air ADOPTED VALUES In Alphabetical Order (See Documentation (or Basis of TLV's) Substance ppm- mg/cu mb Abate * Acetaldehyde Acetic acid C Acetic anhydride Acetone Acetonitrile 2-AcetylaminoHuorene--Skin Acetylene Acetylene dichlorlde. see 1.2 Dichloro- ethylene Acetylene tetrabromlde Acrolein Acrylamide--Skin Acrylonitrile--Skin Aldrin--Skin Ally! alcohol--Skin Ally! chloride * Ally! glycidyl ether (AGE) Aliyl propyl disulfide Alundum (AtsOa) 4-Amlnodt phenyl--Skin 2-Aminoethanol, see Ethanolamine 2-Amlnopyrldme Ammonia Ammonium chloride, fume Ammonium suffamate (Ammate) n-Amyl acetate sec-Amyl acetate Aniline--Skin Amsidine (o.p-isomers)--Skin Antimony and compounds (as Sb) ANTU (alpha naphthyl thiourea) Argon Amenlc and compounds (as As) Arsine 100 10 5 1,000 40 F 1 01 . 20 . 2 10 2 . - 05 50 . 100 125 5 01 . F 0 05 10 180 25 20 2,400 70 A* - 14 0 25 03 45 0 25 3 5 45 12 E Alh 2 35 10 10 525 650 19 05 05 03 05 02 Asphalt (petroleum) fumes Azmphos methyl--Skin Barium (soluble compounds) C Benzene (benzol)--Skin Benzidine--Skin p-Benzoquinone, see Quinone Benzoyl peroxide Benzyl chloride Beryllium Biphenyl, see Diphenyl * Bismuth telluride * Bismuth telluride (Se-doped) Boron oxide Boron tribromide C Boron trtfluorlde , Bromine Bromine pentafluonde Bromoform--Skin Butadiene (1. 3~butadiene) * Butane Butanethlol, see Butyl mercaptan 2-Butanone 2-Butoxy ethanol (Butyl Cellosolve)--Skin Butyl acetate (n-butyl acetate) sec-Butyl acetate tert-Butyl acetate Butyl alcohol sec-Butyl alcohol tert-Butyl alcohol C Butylamlne--Skin C tert-Butyl chromate (as CrO)--Skin . n-Butyl glycidyl ether (BGE) Butyl mercaptan p-tert-Butyttoluene Cadmium (Metal dust and soluble salts) 25 1 1 1 01 01 05 1,000 500 200 50 150 200 200 100 150 100 5 50 05 10 5 02 05 80 A** 5 S 0 002 10 5 10 10 3 07 07 5 2,200 1,200 590 240 710 950 950 300 4S0 300 15 01 270 15 60 02 1185