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TLV®/BEI® Resources



Notice of Intended Changes (NIC)

2014 TLVs® AND BEIs®
SUBSTANCES AND AGENTS LISTING




CHEMICAL SUBSTANCES TLVs®
2014 NOTICE OF INTENDED CHANGES (NIC)
Acetone
Acetylene (withdraw adopted Documentation;
    refer to Appendix F: Minimal Oxygen
    Content)
Calcium silicate, naturally occurring as
    wollastonite
Cyanogen
Cyanogen bromide
Ethylene glycol
Hard metals containing Tungsten carbide
    and Cobalt, as W
Lithium hydride
Methyl formate
Oxalic acid, anhydrous and dihydrate
Phenyl isocyanate
Phosphine
Simazine
Titanium dioxide (withdrawn from Notice
    of Intended Changes)
Toluene-2,4- or 2,6-diisocyanate
    (or as a mixture)
1,2,3-Trichloropropane
Triethylamine
Trimetacresyl phosphate
Triorthocresyl phosphate
Triparacresyl phosphate
Appendix H: Reciprocal Calculation
    Method for Certain Refined
    Hydrocarbon Solvent Vapor Mixtures

 

2014 NOTICE OF INTENDED CHANGES (NIC) – UPDATES OF SENSITIZER (SEN) NOTATIONS TO DERMAL SENSITIZER (DSEN) AND/OR RESPIRATORY SENSITIZER (RSEN). THE FOLLOWING SUBSTANCES ARE PLACED ON THE NIC FOR REVIEW OF THIS NOTATION ONLY.
Formaldehyde
Gluteraldehyde
Hexahydrophthalic anhydride, all isomers
Methyl methacrylate

PHYSICAL AGENTS TLVs®
2014 NOTICE OF INTENDED CHANGES (NIC)
Ergonomics
      •   Hand-arm vibration

BIOLOGICAL EXPOSURE INDICES (BEIs®)
2014 NOTICE OF INTENDED CHANGES (NIC)
Acetone
Cobalt and inorganic compounds
1,6-Hexamethylene diisocyanate
Styrene
Toluene diisocyanate-2,4- or 2,6-
    or as a mixture of isomers


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