Substances and Agents Listing

ACGIH® Board Ratifies 2022 TLVs® and BEIs®

CHEMICAL SUBSTANCES TLVs®

2022 NOTICE OF INTENDED CHANGES (NIC)
2-Ethyl-1-Hexanol
Acetamiprid
Benzene
Benzoquinone
Di(2-Ethylhexyl) Phthalate
Divinylbenzene-Ethylstyrene Mixture
Ethylene Glycol Dinitrate
Glycidyl Methacrylate
Glyphosate
Iodine and Iodides
Methylnaphthalene, All Isomers
Nitric Acid
n-Propyl Nitrate
Phenothiazine
Propylene Glycol Dinitrate
Silicon Carbide
Tetrachlorvinphos
Trimetacresyl phosphate
Triparacresyl phosphate
Vinyltoluene, All Isomers

2022 ADOPTIONS
2-Methyl-2-Butene
Antimony Hydride
Benzoic Acid and Alkali Benzoates
Clothianidin
Cyclopentane
Cyromazine
Dipropylene Glycol Methyl Ether (DPGME)
Ethyl Benzene
Imazosulfuron
Iodoform
Isoflurane
Phosgene
Prometon
Prometryn
Titanium Dioxide
Trimethyl Benzene, Isomers
Xylene (All Isomers)

2022 UNDER STUDY LIST
Chemical Substances
Acetyl salicylic acid
Acrolein
Alkyl acrylates
Anisidine
Antimony and compounds, as Sb
Bensulfide
Benzidine
Bifenazate
Buprofezin
1,3-Butadiene
2-Butanone
Cadmium
Cadmium carbonate
Cadmium hydroxide
Cadmium nitrate
Captafol
Carbon dioxide
Carbon monoxide
Carbon nanotubes
Chlorodiphenyl, 42%
Chlorodiphenyl, 54%
Chloromethyl methyl ether
Cobalt carbonyl, as Co
Cobalt hydrocarbonyl
Copper
Desflurane
Diacetyl
Diazinon
Dicamba
3,3´-Dichlorobenzidine
Diesel exhaust
Difluorodibromomethane
Diiodomethyl p-tolyl sulfone
Diisopropyl ether
Dimethenamid-P
Dimethyl carbamoyl chloride
1,4-Dioxane
Endotoxins
Enflurane
Epichlorohydrin
Ethyl acrylate
Ethyl ether
Ethylene glycol dimethyl ether
(1,2-Dimethoxyethane)
Ethylene oxide
Fenoxycarb
Fentanyl
Fluorides
Formic Acid
Furan
Furfural
Furfuryl alcohol
Germanium tetrahydride
Hafnium and compounds
Halothane
Hexane isomers, other than n-hexane
Hydrogen peroxide
2-Hydroxy-4-methoxybenzo-phenone (oxybenzene)

Imidacloprid
Indium and compounds
Isoprene
4-4´ Isopropylidene diphenol (BPA)
Lead and inorganic compounds, as Pb
Malathion
Manganese cyclopentadienyl tricarbonyl
Methyl acrylate
2-Methylcyclopentadienyl manganese tricarbonyl
Methyl ethyl ketone (2-butanone)
Methylene bisphenyl isocyanate
4, 4´-Methylene bis(2-chloroaniline)
Methyltetrahydrophthalic anhydride isomers
Metribuzin
Molybdenum
1-Naphthylamine
2-Naphthylamine (beta)
Nickel and inorganic compounds,
including Nickel subsulfide, as Ni
Nitroglycerin
Octachloronaphthalene
Parathion
Pentaborane
m-Phenylenediamine
o-Phenylenediamine
p-Phenylenediamine
Phenyl ethyl alcohol
Phosphoric acid
Phosphorus (white)
Phosphorus (yellow)
Phthalic anhydride
Propane sultone
Propylene dichloride (1,2-Dichloropropane )
Sevoflurane
Sodium hypochlorite
Sodium silicates
Sodium sulfate
Stoddard solvent
Subtilisins
Talc
Tertiary butyl hydroperoxide
Tetraethyl lead
1,2,3,6-Tetrahydrophthalic anhydride
Tetramethyl lead
Tin, organic compounds
Tolclofos-methyl
Trichloronaphthalene
Triclopyr
Triethanolamine
Trifloxystrobin
Trimellitic anhydride
Uranium and compounds
Vinylidene chloride
Vinylidene fluoride
Welding fumes

PHYSICAL AGENTS TLVs®
2022 NOTICE OF INTENDED CHANGES (NIC)

Heat Stress and Strain
Upper Limb Localized Fatigue

2022 ADOPTIONS

Hand Activity
Ultraviolet Radiation

2022 UNDER STUDY LIST

Acoustic

  • Audible sound

Optical Radiation

  • Light and Near-infrared radiation

Ergonomics

  • Over shoulder work
  • Push/Pull

Thermal Stress

  • Cold stress

Other Issues Under Study

  1. Appendix B: Personal Physiologic Monitoring in the Workplace
  2. Head supported mass and neck loading
  3. Hypobaric pressure

BIOLOGICAL EXPOSURE INDICES (BEIs®)
2022 NOTICE OF INTENDED CHANGES (NIC)
Acrylamide
2-Ethoxyethanol [EGEE] and 2-Ethoxyethyl
acetate [EGEEA]
Furfural
Styrene

2022 ADOPTIONS
Cyclohexane

2022 UNDER STUDY LIST
Chemical Substances
Acrylamide
Acrylonitrile
Adipates
Arsenic
Atrazine
Benzene
Bisphenol A
Butadiene
Copper
3,3´-Dichlorobenzidine
Diethylhexyl adipate
Di(2-ethylhexyl)phthalate (DEHP)
Dimethylacetamide
Ethylene glycol
Ethylene glycol dinitrate
Heptane
Iodine
Methylcyclohexane
Nicotine
Nitrobenzene
Phthalates (see DEHP)
Platinum

Other Issues Under Study

  1. Sq Notation
  2. Introduction to the Documentation of the BEIs

Feasibility Assessments
Acrylonitrile
Alachlor
Aluminum
Antimony
Beryllium
1-Bromopropane
Chlorpyrifos
1,4-Dichlorobenzene
2,4-Dichlorophenoxy acetic acid
Diethanolamine
Diethylhydroxylamine
2-Ethyl hexanoic acid
Hydrazines
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