Notice of Intended Changes (NIC)

2009 TLVs^Ž AND BEIs^Ž
SUBSTANCES AND AGENTS LISTING

CHEMICAL SUBSTANCES TLVs^Ž
2009 NOTICE OF INTENDED CHANGES (NIC)
Citral
Cotton dust, raw
Cresol, all isomers
Dieldrin
Ethyl benzene
Hydrogen sulfide
Maleic anhydride
Manganese and inorganic compounds
Methyl isobutyl ketone
α-Methyl styrene
Mineral oil
Oil mist, mineral (withdraw adopted
     Documentation and TLVs^Ž; see
    NIC entry for Mineral oil)
Portland cement
Soapstone (withdrawn from the Notice
    of Intended Changes)
Talc (withdrawn from the Notice of
    Intended Changes)
Tantalum and tantalum oxide dusts (withdraw
    adopted Documentation and TLV^Ž
    due to insufficient data)
Thallium and compounds
4,4'-Thiobis(6-tert-butyl-m-cresol)
Thionyl chloride
Toluene-2,4- or 2,6-diisocyanate

PHYSICAL AGENTS TLVs^Ž
2009 NOTICE OF INTENDED CHANGES (NIC)
Electromagnetic Radiation and Fields
    — Sub-Radiofrequency and Static
    Electric Fields
Electromagnetic Radiation and Fields
    — Radiofrequency and Microwave
    Radiation
Electromagnetic Radiation and Fields
    — Ultraviolet Radiation
Electromagnetic Radiation and Fields
    — Lasers
Electromagnetic Radiation and Fields
    — Ionizing Radiation

BIOLOGICAL EXPOSURE INDICES (BEIs^Ž)
2009 NOTICE OF INTENDED CHANGES (NIC)
2-Methoxyethanol/2-Methoxyethyl
    acetate
Methyl isobutyl ketone
Toluene
Uranium
Vanadium pentoxide (withdraw
    adopted Documentation and BEI^Ž
    due to new data)

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