CHEMICAL SUBSTANCES TLVs® 2018 NOTICE OF INTENDED CHANGES (NIC)
Introduction to the Chemical Substances – Threshold Limit Value-Surface Limit (TLV-SL)
New notation – Ototoxicant (OTO)
Antimony trioxide (withdrawn from Notice of Intended Changes)
Cobalt and inorganic compounds, as Co
Cumene
Cyanazine
Cyclopentadiene (withdraw adopted TLV® and Documentation; see Dicyclopentadiene, including Cyclopentadiene)
Dicyclopentadiene, including Cyclopentadiene
Dimethylphenol, all isomers
Fluorine, as F
Indium tin oxide, as In
Iodine and Iodides, as I
Iodoform
Methyltetrahydrophthalic anhydride isomers
Methyl vinyl ketone
Monomethylformamide
o-Phthalaldehyde
Propylene glycol ethyl ether
Sodium sulfate
Styrene
Styrene oxide
Sulfoxaflor
Tetramethyl succinonitrile
Thiacloprid
Tin and inorganic compounds, excluding Tin hydride, as Sn
Trimetacresyl phosphate
Triparacresyl phosphate
2018 NOTICE OF INTENDED CHANGES (NIC) – THE FOLLOWING SUBSTANCES ARE PLACED ON THE NIC FOR REVIEW OF THE INHALABLE FRACTION AND VAPOR (IFV) ENDNOTE ONLY
Chlordane
o-Chlorobenzylidene malononitrile
Dinitrobenzene, all isomers
Dinitro-o-cresol
EPN
Isobutyl nitrite
4,4′-Methylene bis(2-chloroaniline)
Nitrapyrin
5-Nitro-o-toluidine
Pentachloronaphthalene
Sulfometuron methyl
Temephos
1,1,2,2-Tetrabromoethane
2,4,6-Trinitrotoluene
m-Xylene α,α′-diamine
2018 ADOPTIONS
Aldicarb
Allyl methacrylate
Bendiocarb
Boron trifluoride ethers, as BF3
tert-Butyl hydroperoxide
Calcium chromate, as Cr (adopted TLV® and Documentation withdrawn; see Chromium and inorganic compounds)
Carfentrazone-ethyl
Chlorine
Chlorine dioxide
Chromite ore processing (Chromate), as Cr (line entry from the TLVs® and BEIs® book withdrawn; see Chromium and inorganic compounds)
Chromium and inorganic compounds
Chromyl chloride (adopted TLV® and Documentation withdrawn; see Chromium and inorganic compounds)
Cyanoacrylates, Ethyl and Methyl
Dimethylacetamide
Dimethylformamide
Ethyl cyanoacrylate (adopted TLV® and Documentation withdrawn; see Cyanoacrylates, Ethyl and Methyl)
Fludioxonil
Isopropyl acetate (adopted TLVs® and Documentation withdrawn; see Propyl acetate isomers)
Lead chromate
Methane (see Appendix F: Minimal Oxygen Content)
Methyl 2-cyanoacrylate (adopted TLV® and Documentation withdrawn; see Cyanoacrylates, Ethyl and Methyl)
Natural gas (see Appendix F: Minimal Oxygen Content)
Paraquat, as the cation
Phosphine
n-Propyl acetate (adopted TLVs® and Documentation withdrawn; see Propyl acetate isomers)
Propyl acetate isomers
Strontium chromate, as Cr (adopted TLV® and Documentation withdrawn; see Chromium and inorganic compounds)
Thioglycolic acid and salts
Zinc chromates, as Cr (adopted TLV® and Documentation withdrawn; see Chromium and inorganic compounds)
2018 UNDER STUDY LIST
Chemical Substances
Acrylamide
Alkyl acrylates
Aluminum sodium dioxide
Antimony and compounds
Antimony hydride
Antimony trioxide
Benzene
Benzidine
Bifenazate
Bromodichloromethane Buprofezin
1,3-Butadiene
4-tert-Butylbenzoic acid
n-Butyl isocyanate
Carbon dioxide
Carbon monoxide
Carbon nanotubes
Catechol
Chlorodiphenyl, 42% Cl
Chlorodiphenyl, 54% Cl
Chloromethyl methyl ether
Cobalt carbonyl
Cobalt hydrocarbonyl
Copper
Cyclohexene
Cyromazine
Diazinon
3,3′-Dichlorobenzidine
1,3-Dichloro-5,5-dimethyl hydantoin
1,1-Dichloro-1-nitroethane
1,2-Dichloropropane
Dicyclopentadienyl iron
Diesel exhaust
Di(2-ethylhexyl)phthalate
Difluorodibromomethane
Diiodomethyl p-tolyl sulfone
1,2-Dimethoxyethane
4,4-Dimethyloxazolidine
Epichlorohydrin
Ethyl acrylate
Ethyl ether
Ethylbenzene
Ethylene glycol dinitrate
Ethylene oxide
Fluorides
Formamide
Furan
Furfural
Furfuryl alcohol
Germanium tetrahydride
Glyphosate
Hafnium and compounds
Halothane
Hexachloronaphthalene
Hexamethylenetetramine
Hexazinone
sec-Hexyl acetate
Imidacloprid
Indium and compounds
Isoflurane
Isopropylamine
Ketene
Lead and inorganic compounds
Lindane
Malathion
Manganese cyclopentadienyl tricarbonyl
2-Methoxymethylethoxy propanol
Methyl acrylate
Methyl isobutyl carbinol
Methyl n-butyl ketone
o-Methylcyclohexanone
2-Methylcyclopentadienyl manganese tricarbonyl
Methylene bisphenyl isocyanate
Metribuzin
Mica
1-Naphthylamine 2-Naphthylamine
Nickel and inorganic compounds, including Nickel subsulfide
Nitric acid
Nitroglycerin
Octachloronaphthalene
Parathion
Pentaborane
2,3-Pentanedione Perchloryl fluoride
Phenothiazine
Phosgene
Phosphoric acid
Phosphorus (white)
Phosphorus (yellow)
Polycyclic aromatic hydrocarbons
Prometon
Prometryn
Propane sultone
n-Propyl nitrate
Propylene glycol dinitrate
Quinone
Resin acids from rosin based solder
Rosin core solder thermal decomposition products (colophony)
Silicic acid
Silicon carbide
Sodium hypochlorite
Stoddard solvent
Sulfur pentafluoride
Sulfur trioxide
Tetrachlorophthalic anhydride
Tetrachlorvinphos
Tetraethyl lead
1,2,3,6-Tetrahydrophthalic anhydride
Tetramethyl lead
Thiodicarb
Tin, organic compounds
Titanium dioxide
Titanium tetrachloride
Toluene
o-Toluidine
Trichloronaphthalene
Triclopyr
Triclosan
Triethanolamine
Trifloxystrobin
Triflumizole
Trimethylbenzene (mixed isomers)
Trimethyl phosphite
Uranium and compounds
Vinylidene chloride
Vinylidene fluoride
Xylene
PHYSICAL AGENTS TLVs® 2018 NOTICE OF INTENDED CHANGES (NIC)
Introduction to the Physical Agents
Ergonomics
Hand–Arm vibration
Appendix A: Statement on the Occupational Health Aspects of New Lighting Technologies — Circadian, Neuroendocrine and Neurobehavioral Effects of Light
2018 ADOPTIONS
Acoustic
Audible sound
Ergonomics
Hand activity
Thermal Stress
Cold stress
2018 UNDER STUDY LIST
1. Acoustic
Audible sound
Infrasound and Low-frequency sound
2. Optical Radiation
Lasers
Light and Near-infrared radiation
Ultraviolet radiation
3. Ergonomics
Lifting
Hand–arm vibration
Whole-body vibration
Whole-body vibration (including multiple shock and low-frequency sound)
4.& Thermal Stress
Cold stress
Heat stress and strain
Other Issues Under Study
Generalized fatigue and work schedules
Hypobaric pressure
Introduction to the Physical Agents Documentation
Personal physiologic monitoring
Sensory induced motion sickness
BIOLOGICAL EXPOSURE INDICES (BEIs®) 2018 NOTICE OF INTENDED CHANGES (NIC)
Introduction to the BEI® Documentation
Ethylene oxide
N-Ethyl-2-pyrrolidone
n-Hexane
Methyl n-butyl ketone (withdraw adopted BEI® and Documentation)
2018 ADOPTIONS
Introduction to the Biological Exposure Indices
Cholinesterase inhibiting pesticides
2018 UNDER STUDY LIST
Chemical Substances
Acrylamide
Adipates
Aniline
Arsenic
Benzene
Bisphenol A
Chromium
3,3′-Dichlorobenzidine
Di(2-ethylhexyl)phthalate
Ethylene glycol
Furfural
Indium
Iodine
Methyl chloroform
Methyl isobutyl carbinol
Nickel
Parathion
Phthalates
Styrene
Styrene oxide
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
a-Methylstyrene
Nickel
Nitrobenzene
Perfluorooctanoic acid
Selenium
Thallium
Trimethylbenzene
Vanadium pentoxide
Vinyl chlorid
