CHEMICAL SUBSTANCES TLVs^®
2007 NOTICE OF INTENDED CHANGES (NIC)
Aluminum and compounds (withdraw adopted
    Documentation and TLVs^®; see NIC
    entry for Aluminum metal and insoluble
    compounds)
Aluminum metal and insoluble compounds
Aluminum oxide (withdraw adopted
    Documentation and TLV^®; see NIC
    entry for Aluminum metal and insoluble
    compounds)
Benomyl
Beryllium and compounds
Butenes, All isomers
Carbaryl
Copper and inorganic compounds (withdrawn
    from the Notice of Intended Changes)
Copper (withdrawn from the Notice of
    Intended Changes; retain adopted
    Documentation and TLVs^®)
Emery (withdraw adopted Documentation and
    TLV^®; see NIC entry for Aluminum
    metal and insoluble compounds)
Hydrogen sulfide
Hydroquinone
Indene
Iodine and iodides
Methyl isobutyl ketone
α-Methyl styrene
Mineral oil
Natural rubber latex
Oil mist, mineral (withdraw adopted
    Documentation and TLVs^®; see NIC
    entry for Mineral oil)
Polyvinyl chloride
Portland cement
Soapstone (withdraw adopted Documentation
    and TLVs^®; see NIC entry for Talc)
Sulfur dioxide
Sulprofos
Talc
1,1,1,2-Tetrachloro-2,2-difluoroethane
1,1,2,2-Tetrachloro-1,2-difluoroethane
Thiram
Toluene-2,4- or 2,6-diisocyanate
Trimellitic anhydride
Triphenyl amine (withdraw adopted
    Documentation and TLVs^® due to
    insufficient data)
Vanadium pentoxide

2007 ADOPTIONS
Alachlor
Aldrin
Arsine
Calcium carbonate (Documentation and
    adopted TLV^® withdrawn due
    to insufficient data)
Diglycidyl ether [DGE]
Dimethyl carbamoyl chloride
Dimethyl disulfide
Dinitolmide (Documentation and adopted
    TLVs^® withdrawn; see entry for
    3,5-Dinitro-o-toluamide)
3,5-Dinitro-o-toluamide
Ethyl amyl ketone
Hexafluoropropylene
Methyl demeton
1-Methyl naphthalene and 2-Methyl
    naphthalene
Methyl propyl ketone
5-Nitro-o-toluidine
n-Propanol
Tetraethyl pyrophosphate [TEPP]
Toluene
Trichloroethylene

2007 UNDER STUDY LIST
Acetaldehyde
Acetic anhydride
Acetophenone
Atrazine (and related symmetrical triazines)
Benz[a]anthracene
Benzo[b]fluoranthene
Benzo[a]pyrene
Boron oxide
Boron tribromide
Boron trifluoride
Bromodichloromethane
Bromoform
sec-Butyl acetate
Butylated hydroxytoluene [BHT]
tert-Butyl hydroperoxide
Calcium silicate
Carbon black
Cellulose
Chrysene
Citral
Clopidol
Coal tar pitch volatiles
Cotton dust, raw
Creosote
Cresol
2,4-D
Dibutyl phosphate
3,3'-Dichlorobenzidine
1,3-Dichloro-5,5-dimethyl hydantoin
Dicyclopentadiene
Dieldrin
Diesel fuel (individual TLVs^® for vapor
    and aerosol)
Diethanolamine
Diethylene glycol monobutyl ether
Diethylhydroxyamine [DEHA]
Diisobutyl ketone
N,N-Dimethylacetamide
Dimethylformamide
Dipropyl ketone
Endosulfan
Ethanol [Ethyl alcohol]
Ethyl benzene
Ethyl cyanoacrylate
Ethylenimine
Ethyl formate
Ethylidene norbornene
Ferbam
Gasoline, all formulations
Hexamethyl diisocyanate
Isophorone diisocyanate
Lead arsenate
Maleic anhydride
Manganese and inorganic compounds
Methanol
Methomyl
Methyl acetate
Methylacrylonitrile
Methylene bis (4-cyclohexylisocyanate)
Methylene bisphenyl isocyanate [MDI]
Methyl isoamyl ketone

2007 ADOPTIONS
Electromagnetic Radiation and Fields
— Light and near-infrared radiation
Thermal Stress
— Heat Stress and Strain

2007 UNDER STUDY LIST

1. Ergonomics
   • Hand-arm vibration
   • Localized fatigue
2. Electromagnetic Radiation and Fields
   • Radiofrequency and microwave radiation
   • Static magnetic fields
   • Ultraviolet radiation
3. Thermal Stress
   • Cold stress

BIOLOGICAL EXPOSURE INDICES (BEIs^®)
2007 NOTICE OF INTENDED CHANGES (NIC)
Tetrahydrofuran
Trichloroethylene

2007 ADOPTIONS
2-Butoxyethanol
Chlorobenzene
Ethyl benzene
Furfural
N-Methyl-2-Pyrrolidone

2007 UNDER STUDY LIST
Chemical Substances
Acetaldehyde
Alachlor
Aluminum
Arsine
Beryllium
Carbon disulfide
Diethyl benzene
N,N-Dimethylacetamide
Dimethylformamide
Ethanol
Ethyl formate
Fluorides
Mercury
2-Methoxyethanol/2-Methoxyethyl acetate
Methyl isobutyl ketone
Pentachlorophenol
Perfluorooctanoic acid [PFOA]
Tetrachloroethylene
Toluene
Uranium

Feasibility Assessment
Acrylonitrile
Antimony
Beryllium
Chlorpyrifos
1,4-Dichlorobenzene
2,4-Dichlorophenoxyacetic acid
2-Ethyl hexanoic acid
Hydrazines
Inorganic borates
Manganese
Methyl tert-butyl ether
Methyl n-butyl ketone
Methyl formate
Nickel
Selenium
Trimethylbenzene
Vinyl chloride

Other Issues

1. Metabolic polymorphisms.
2. Effect of physical exertion on body burden and the BEI^®.
3. Consistency of BEI^® documents.