Substances and Agents Listing

ACGIH® BOARD RATIFIES 2020 TLVs® and BEIs®

2020 TLVs® and BEIs®
Substances and Agents Listing


CHEMICAL SUBSTANCES TLVs®

2020 NOTICE OF INTENDED CHANGES (NIC)
Antimony trioxide
Cumene
Di(2-ethylhexyl) phthalate
Dipropylene glycol methyl ether
Ethylene glycol dinitrate
Hexamethylenetetramine
sec-Hexyl acetate
Imazosulfuron
Iodoform
Isoflurane
Isopropylamine
Ketene
Methylcyclohexanone, all isomers
Mica
Perchloryl fluoride
Prometon
Rosin core solder thermal decomposition
     products (colophony) (withdraw
     Adopted TLV® and Documentation,
     see Resin acids)
Titanium tetrachloride
Toluene
Trichlorfon
Triflumizole
Trimetacresyl phosphate
Triparacresyl phosphate

2020 ADOPTIONS 
Acrylamide
4-tert-Butylbenzoic acid
Cyclohexene
Formamide
Hexazinone
Methyl isobutyl carbinol
Resin acids
Styrene
Styrene oxide
Sulfur pentafluoride
Thiodicarb

2020 UNDER STUDY LIST
Chemical Substances
Acetamiprid
Acetyl salicylic acid
Alkyl acrylates
Aluminum sodium dioxide
Antimony and compounds
Antimony hydride
Benzene
Benzidine
Benzoic acid
Bifenazate
Buprofezin
1,3-Butadiene
n-Butyl isocyanate
Carbon dioxide
Carbon monoxide
Carbon nanotubes
Carfentrazone
Chlorodiphenyl, 42% CI
Chlorodiphenyl, 54% CI
Chloromethyl methyl ether
Clothianidin
Cobalt carbonyl
Cobalt hydrocarbonyl
Copper
Crotonaldehyde
Cyclopentane
Cyromazine
Diacetyl
Diazinon
Dicamba
3,3’-Dichlorobenzidine
1,3-Dichloro-5,5-dimethyl hydantoin
1,1-Dichloro-1-nitroethane
1,2-Dichloropropane
Diesel exhaust
Difluorodibromomethane
Diiodomethyl p-tolyl sulfone
1,2-Dimethoxyethane
4,4-Dimethyloxazolidine
Dinotefuran
Enflurane
Epichlorohydrin
2,3-Epoxypropyl methacrylate
Ethyl acrylate
Ethyl benzene
Ethyl ether
Ethylene oxide
2-Ethyl hexane-1-ol
Fludioxonil
Fluorides
Formamide
Furan
Furfural
Furfuryl alcohol
Germanium tetrahydride
Glyphosate
Hafnium and compounds
Halothane
Hexachloronaphthalene
Hydrogen peroxide
Imidachloprid
Indium and compounds
Iodine and Iodides
Isoprene
4,4-Isopropylidene diphenol
Lead and inorganic compounds
Lindane
Malathion
Manganese cyclopentadienyl tricarbonyl
Methyl acrylate
2-Methyl-2-butene
Methyl n-butyl ketone
2-Methylcyclopentadienyl manganese 
     tricarbonyl
Methylene bisphenyl isocyanate
Metribuzin
1-Naphthylamine
2-Naphthylamine
Neonicotinoids
Nickel and inorganic compounds, including 
     Nickel subsulfide
Nitric acid
Nitroglycerin
Octachloronaphthalene
Parathion
Pentaborane
Phenothiazine
Phosgene
Phosphoric acid
Phosphorus (red) 
Phosphorus (white) 
Phosphorus (yellow) 
Prometryn
Propane sultone
n-Propyl nitrate
Propylene glycol dinitrate
Quinone
Resin acids
Sevoflurane
Silicic acid
Silicon carbide
Sodium hypochlorite
Sodium silicate
Sodium sulfate
Stoddard solvent
Styrene oxide
Subtilisins
Sulfur trioxide

Talc
Tetrachlorophthalic anhydride
Tetrachlorvinphos
Tetraethyl lead
1,2,3,6-Tetrahydrophthalic anhydride
Tetramethyl lead
Thiamethoxam
Tin, organic compounds
Titanium dioxide
o-Toluidine
Trichloronaphthalene
Triclopyr
Triclosan
Triethanolamine
Trifloxystrobin
Trimethyl phosphite
Trimethylbenzene, mixed isomers
Uranium and compounds
Vinylidene chloride
Vinylidene fluoride
Welding fume

PHYSICAL AGENTS TLVs®
2020 NOTICE OF INTENDED CHANGES (NIC)
Acoustic Optical Radiation Ionizing Radiation

Ergonomics Appendix B: Personal Physiologic Monitoring
     in the Workplace


2020 
ADOPTIONS

No adoptions for 2020             

2020 UNDER STUDY LIST

  1. Acoustic
    • Audible sound
  2. Electromagnetic Fields 0–300 GHz
  3. Optical Radiation
    • Light and Near-infrared radiation
    • Ultraviolet radiation
  4. Ergonomics
    • Hand activity
    • Lifting and lowering
    • Hand–arm vibration
    • Upper limb localized fatigue
    • Over shoulder work
    • Push/Pull
  5. Thermal Stress
    • Cold stress
    • Heat stress and strain

Other Issues Under Study

  1. Fatigue and its management in the workplace
  2. Head supported mass and neck loading
  3. Hypobaric pressure
  4. Sensory-induced motion sickness
  5. Personal physiologic monitoring

BIOLOGICAL EXPOSURE INDICES (BEIs®)
2020 NOTICE OF INTENDED CHANGES (NIC)
Aniline
Chromium
Indium
Methemoglobin inducers
Methyl n-butyl ketone (withdraw Adopted
     BEI® and Documentation)
Methyl chloroform
Nickel and inorganic compounds 

2020 ADOPTION
Parathion

2020 UNDER STUDY LIST
Chemical Substances
Arylamide
Acrylonitrile
Adipates
Arsenic
Atrazine
Benzene
Bisphenol A
Butadiene
Cooper
Cyclohexane
3,3’-Dichlorobenzidine
Di(2-ethylhexyl)phthalate
Diethylhydroxylamine (DEHA)
Ethoxyethanol
Ethylene glycol
Ethylene glycol dinitrate
Furfural
Heptane
Iodine
Lead (Organic)
Nicotine
Phthalates
Platinum
Styrene
Styrene oxide

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-Dichlorophenoxyacetic acid Diethanolamine
2-Ethyl hexanoic acid
Hydrazines
Inorganic borates
Manganese
Methyl tert-butyl ether
Methyl n-butyl ketone
Methyl formate
α-Methylstyrene
Nickel
Nitrobenzene
Perfluorooctanoic acid
Selenium
Thallium
Trimethylbenzene
Vanadium pentoxide
Vinyl chloride


Malathion
Manganese cyclopentadienyl tricarbonyl
2-Methoxymethylethoxy propanol
Methyl acrylate