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TLV®/BEI® Resources
Chemical Substances and Other Issues Under Study (TLV®-CS Committee)
Note: All substances and issues listed below are as of January 2010, unless otherwise indicated.
Chemical Substances
Acetaldehyde
Acetone
Acetophenone (added 3/10/2010)
Aliphatic hydrocarbon gases
tert-Amyl methyl ether (removed 3/10/2010)
Antimony & compounds, as Sb (added 3/10/2010)
Antimony hydride (added 3/10/2010)
Antimony trioxide (added 3/10/2010)
Atrazine (and related symmetrical
triazines)
Barium sulfate
Benz[a]anthracene
Benzidine
Benzo[b]fluoranthene
Benzo[a]pyrene
Bisphenol A
Boron tribromide
Boron trifluoride
Bromodichloromethane
1-Bromopropane
Butane
sec-Butyl acetate
tert-Butyl hydroperoxide
Butylated hydroxytoluene [BHT]
N-Butyl isocyanate
Calcium silicate, synthetic nonfibrous
Carbonyl sulfide
Chlorine
Chrysene
Clopidol
Coal tar pitch volatiles
Cobalt & inorganic compounds, as Co (updated 3/10/2010)
Cobalt carbonyl (added 3/10/2010)
Cobalt hydrocarbonyl (added 3/10/2010)
Creosote
Cyanogen bromide (added 3/10/2010)
Cyanogen chloride
2,4-D
Diacetyl
Dibutyl phthalate
3,3'-Dichlorobenzidine
1,3-Dichloro-5,5-dimethyl hydantoin
Dicyclopentadiene
Diethyl phthalate
Diethylene glycol monobutyl ether
Di(2-ethylhexyl)phthalate (added 3/10/2010)
Diethylhydroxyamine [DEHA]
Diisobutyl ketone
N,N-Dimethyl acetamide
Dimethyl phthalate (added 3/10/2010)
Dimethylformamide
Dipropyl ketone
Ethane
Ethyl cyanoacrylate
Ethyl formate
Ethyl isocyanate
Ethylene oxide (removed 3/10/2010)
Ethylidene norbornene
Gasoline, all formulations
Glycerin, mist
Hexamethylene diisocyanate
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Iodoform
Isobutane
Isophorone diisocyanate
Lead & inorganic compounds, as Pb (added 3/10/2010)
d-Limonene
Liquefied petroleum gas
Lithium hydride
Lithium hydroxide
Mercury, alkyl compounds
Methane
Methomyl
Methyl acetate
Methyl acetylene (added 3/10/2010)
Methyl formate
Methyl isoamyl ketone
Methyl isocyanate
Methyl mercaptan (added 3/10/2010)
Methylene bis(4-cyclohexylisocyanate)
Methylene bisphenyl isocyanate [MDI]
Naphthalene
1-Naphthylamine
2-Naphthylamine
Natural gas
Nickel carbonyl
Nickel & inorganic compounds, including Nickel subsulfide (added 3/10/2010)
Nitrogen dioxide
n-Nonane
Nonane, all isomers
Paraquat
Pentachlorophenol
Pentaerythritol (added 3/10/2010)
Phenyl isocyanate
Phthalic anhydride
o-Phthalidonitrile
Polycyclic aromatic hydrocarbons [PAHs]
Polymeric MDI
Propane
Simazine
Stearates
Stoddard solvent
Terephthalic acid
Tetramethyl succinitrile
Thiacloprid (added 3/10/2010)
Thioglycolic acid
Titanium dioxide
Tributyl phosphate
Trichloroacetic acid
1,2,3-Trichloropropane
Triethanolamine
Tungsten carbide
Vinyl acetate
5-Vinyl-2-norbornene
Other Issues
- SEN Notation: Sensitization to be assigned as either respiratory sensitizer (RSEN), dermal sensitizer (DSEN) or both. (updated 3/10/2010)
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Last update on 03/10/2010.
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