Notice of Intended Changes (NIC)

2008 TLVs^Ž AND BEIs^Ž
SUBSTANCES AND AGENTS LISTING

CHEMICAL SUBSTANCES TLVs^Ž
2008 NOTICE OF INTENDED CHANGES (NIC)
Beryllium and compounds
Bromoform
Cresol, All isomers
Dibutyl phosphate
Diethanolamine
Endosulfan
Ethanol
Ethyleneimine
Ferbam
Hydrogen sulfide
Lead arsenate (withdraw adopted
    Documentation and TLV^Ž due to
    insufficient data)
Methyl isobutyl ketone
Methyl parathion
α-Methyl styrene
Mineral oil
Oil mist, mineral (withdraw adopted
    Documentation and TLVs^Ž; see NIC entry
    for Mineral oil)
Portland cement
Propyleneimine
Rubber solvent (Naphtha) (withdraw adopted
    Documentation and TLV^Ž; see NIC entry
    for Appendix H; Reciprocal calculation
    method for certain refined hydrocarbon
    solvent vapors)
Soapstone (withdraw adopted Documentation
    and TLVs^Ž; see NIC entry for Talc)

Sulfur dioxide
Sulprofos
Talc
4,4'-Thiobis(6-tert-butyl-m-cresol)
Thionyl chloride
Toluene-2,4- or 2,6-diisocyanate
Vanadium pentoxide
VM&P Naphtha (withdraw adopted
    Documentation and TLV^Ž; see NIC entry
    for Appendix H; Reciprocal calculation
    method for certain refined hydrocarbon
    solvent vapors)

PHYSICAL AGENTS TLVs^Ž
2008 NOTICE OF INTENDED CHANGES (NIC)
Electromagnetic Radiation and Fields
    — Static Magnetic Fields
Electromagnetic Radiation and Fields
    — Radiofrequency and Microwave
    Radiation
Electromagnetic Radiation and Fields
    — Lasers

BIOLOGICAL EXPOSURE INDICES (BEIs^Ž)
2008 NOTICE OF INTENDED CHANGES (NIC)
Carbon disulfide
Tetrachloroethylene

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