ACGIH® Board Ratifies 2023 TLVs® and BEIs®
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CHEMICAL SUBSTANCES TLVs®
2023 NOTICE OF INTENDED CHANGES (NIC)
Benzene (Updated 7-1-2023)
Captafol (Added 7-1-2023)
Diacetyl (Added 7-1-2023)
Dimethenamid-P
Endotoxins
Epichlorohydrin (Added 7-1-2023)
Ethylene glycol dimethyl ether
Fenoxycarb (Added 7-1-2023)
Fentanyl and Fentanyl Citrate (Added 7-1-2023)
Hexane (Commercial, < 54%) and Hexane Isomers, Other Than n-Hexane (Added 7-1-2023)
Methylcyclohexane (Added 7-1-2023)
Nitric acid
Pentaborane (Added 7-1-2023)
Phthalic Anhydride (Added 7-1-2023)
Trimetacresyl phosphate
Triparacresyl phosphate
2023 ADOPTIONS
Acetylsalicylic acid (Updated 7-1-2023)
Bensulide (Added 7-1-2023)
Buprofezin (Added 7-1-2023)
tert-Butyl Hydroperoxide (Updated 7-1-2023)
Formic acid (Updated 7-1-2023)
Halothane (Updated 7-1-2023)
Methyl Ethyl Ketone (Updated 7-1-2023)
Phenylethyl Alcohol (Added 7-1-2023)
Sevoflurane (Added 7-1-2023)
Triclosan (Added 7-1-2023)
2023 UNDER STUDY LIST
Chemical Substances
Acrolein
Carbon monoxide
b-Chloroprene
Dicamba
Diflurodibromomethane
Dimethyl carbamoyl chloride
Imidacloprid
Isopropyl ether
Malathion
4, 4′-Methylene bis(2-chloroaniline)
Metribuzin
Molybdenum
Parathion
m-Phenylenediamine
o-Phenylenediamine
p-Phenylenediamine
Propionitrile
1,2,3-Trichloropropane
Triclopyr
Triethanolamine
Trimethylolpropane
Vinylidene chloride
Vinylidene fluoride
PHYSICAL AGENTS TLVs®
2023 NOTICE OF INTENDED CHANGES (NIC)
Infrasound and low-frequency sound
Whole-body vibration
2023 Notice of Intent to Establish (NIE)
Above shoulder work
2023 ADOPTIONS
Heat stress and strain
Upper limb localized fatigue
2023 UNDER STUDY LIST
Acoustic
Optical Radiation
Ergonomics
Ionizing Radiation
Thermal Stress
Other Issues Under Study
BIOLOGICAL EXPOSURE INDICES (BEIs®)
2023 NOTICE OF INTENDED CHANGES (NIC)
Di(2-ethylhexyl) phthalate (Added 7-1-2023)
Platinum
2023 ADOPTIONS
Arsenic (and soluble inorganic compounds) (Updated 7-1-2023)
Formic acid Feasibility Assessment (short BEI NFS) (Added 7-1-2023)
Xylenes (technical or commercial grades) (Updated 7-1-2023)
2023 UNDER STUDY LIST
Chemical Substances
Acrylonitrile
Adipates
Aluminum
Antimony
Atrazine
Benzene
Bisphenol-A
1,3-Butadiene
Copper and its organic compounds
Dibutyl phthalate
Ethylbenzene
Glyphosate
n-Heptane
Iodine
Methyl ethyl ketone
Nicotine
Trimethyl benzene
Feasibility Assessments
Acrylonitrile
Alachlor
Aluminum
Antimony
Beryllium
1-Bromopropane
Chlorpyrifos
1,4-Dichlorobenzene
3,3’-Dichlorobenzidine
2,4-Dichlorophenoxyacetic acid
Diethanolamine
Diethylhydroxylamine
2-Ethyl hexanoic acid
Ethylene glycol
Formic Acid
Hydrazine
Inorganic borates
Manganese
Methyl tert-butyl ether
Methyl n-butyl ketone
Methylcyclohexane
Methyl formate
Methyl isobutyl carbinol
α-Methylstyrene
Nitrobenzene
Perfluorooctanoic acid
Selenium
Styrene oxide
Thallium
Trimethylbenzene
Vanadium pentoxide
Vinyl chloride