CHEMICAL SUBSTANCES TLVs®
2015 NOTICE OF INTENDED CHANGES (NIC)

Introduction to the Chemical Substances – Peak Exposures

  • Boron tribromide
  • Boron trichloride
  • Boron trifluoride
  • n-Butyl acetate (withdraw adopted TLV® and Documentation; refer to Butyl acetates, all isomers)
  • sec-Butyl acetate(withdraw adopted TLV® and Documentation; refer to Butyl acetates, all isomers)
  • tert-Butyl acetate (withdraw adopted TLV® and Documentation; refer to Butyl acetates, all isomers)
  • Butyl acetates, all isomers
  • Calcium silicate, naturally occurring as Wollastonite
  • Calcium silicate, synthetic nonfibrous (withdraw adopted TLV® and Documentation; refer to Appendix B: Particles (insoluble or poorly soluble) Not Otherwise Specified (PNOS))
  • Cyanogen
  • Ethylene glycol
  • Hard metals containing Cobalt and Tungsten carbide, as Co
  • Isobutyl acetate (withdraw adopted TLV® and Documentation; refer to Butyl acetates, all isomers)
  • Methyl 2-cyanoacrylate
  • Phosphine (withdraw from Notice of Intended Changes)
  • Propoxur
  • Simazine
  • Toluene-2,4- or 2,6-diisocyanate (or as a mixture)
  • Trimetacresyl phosphate
  • Triorthocresyl phosphate
  • Triparacresyl phosphate
  • Warfarin

2015 ADOPTIONS

  • Acetone
  • Acetylene (Adopted Documentation withdrawn; refer to Appendix F: Minimal Oxygen Content)
  • Cyanogen bromide
  • Lithium hydride
  • Methyl formate
  • Oxalic acid, anhydrous and dihydrate
  • Phenyl isocyanate
  • 1,2,3-Tricholoropropane
  • Triethylamine
  • Appendix H: Reciprocal Calculation Method for Certain Refined Hydrocarbon Solvent Vapor Mixtures
  •  
  • 2015 ADOPTIONS – THE FOLLOWING SUBSTANCES THAT APPEARED ON THE 2014 NIC TO UPDATE THE SENSITIZER (SEN) NOTATION TO EITHER A DERMAL SENSITIZER (DSEN) AND/OR A RESPIRATORY SENSITIZER (RSEN) WERE REVIEWED FOR THE CHANGE IN NOTATION ONLY AND ARE ADOPTED.
  • Formaldehyde
  • Glutaraldehyde, activated or unactivated
  • Hexahydrophthalic anhydride, all isomers
  • Methyl methacrylate

2015 UNDER STUDY LIST

  • Chemical Substances
  • Acetaldehyde
  • Acetamide
  • Acrylonitrile
  • Aldicarb
  • Antimony and compounds, as Sb
  • Antimony hydride
  • Antimony trioxide
  • Bendiocarb
  • Benz[a]anthracene
  • Benzene
  • Benzidine
  • Benzo[b]fluoranthene
  • Benzo[a]pyrene
  • Benzoyl peroxide
  • Benzyl acetate
  • Bromodichloromethane
  • 1,3-Butadiene
  • tert-Butyl hydroperoxide
  • n-Butyl isocyanate
  • Cadusafos
  • Captafol
  • Catechol
  • Chlorine
  • Chlorine dioxide
  • 1-Chloro-1-nitropropane
  • ß-Chloroprene
  • Chromite ore processing (Chromate), as Cr
  • Chromium and inorganic compounds, as Cr
  • Chromyl chloride
  • Chrysene
  • Coal tar pitch volatiles, as benzene soluble    aerosol
  • Cobalt and inorganic compounds, as Co
  • Cobalt carbonyl, as Co
  • Cobalt hydrocarbonyl
  • Creosote
  • Cumene
  • Cyanazine
  • 2,4-D
  • Di(2-ethylhexyl)phthalate
  • Dibutyl phthalate
  • 3,3´-Dichlorobenzidine
  • 1,3-Dichloro-5,5-dimethyl hydantoin
  • 1,1-Dichloro-1-nitroethane
  • Dicyclopentadiene
  • Dicyclopentadienyl iron, as Fe
  • Diethyl phthalate
  • Dimethylacetamide
  • Dimethyl carbamoyl chloride
  • Dimethylformamide
  • Dimethylmercury
  • Dimethyl phthalate
  • Dipropyl ketone
  • 1-Ethoxy-2-propylene
  • Ethyl acrylate
  • Ethyl cyanoacrylate
  • Ethylene oxide
  • Fluorides
  • Fluorine
  • Folpet
  • Formaldehyde
  • Formamide
  • Furan
  • Furfural
  • Furfuryl alcohol
  • Germanium tetrahydride
  • Glyoxal
  • Hafnium and compounds, as Hf
  • Hexylene glycol
  • Indium tin oxide
  • Iodine and Iodides
  • Iodoform
  • Isoflurane
  • Lead and inorganic compounds, as Pb
  • Lindane
  • Manganese cyclopentadienyl tricarbonyl, as Mn
  • Mercury, alkyl compounds
  • 2-Methoxymethylethoxy propanol
  • Methyl acetylene
  • Methyl acrylate
  • Methyl tert-butyl ether
  • Methyl mercaptan
  • Methyl vinyl ketone
  • Monomethylacetamide
  • Monomethylformamide
  • 1-Naphthylamine
  • 2-Naphthylamine
  • Nickel and inorganic compounds, including Nickel subsulfide, as Ni
  • Nitric acid
  • Paraquat
  • 2,3-Pentanedione
  • Phosgene
  • Phosphine
  • o-Phthalaldehyde
  • Phthalic anhydride
  • Polycyclic aromatic hydrocarbons
  • n-Propyl acetate
  • Rosin core solder thermal decomposition products (colophony)
  • Stearates
  • Stoddard solvent
  • Styrene
  • Terephthalic acid
  • Tetramethyl succinonitrile
  • Thiocloprid
  • Thioglycolic acid
  • Titanium dioxide
  • Triethanolamine
  • Trimethyl phosphite
  • Tungsten and compounds, as W
  • Vinyl acetate
  • Vinylidene chloride
  • Vinylidene fluoride

 

Chemical Substances as Vapor and Aerosol (V) – Review for Update to Inhalable Fraction and Vapor (IFV)

  • Phenyl ether, vapor
  • Phosphorous (yellow)
  • Tetramethyl lead, as Pb
  • Trichloronaphthalene
  • Turpentine and selected monoterpenes
  • m-Xylene α,α´-diamine

Chemical Substances for Review of Inhalable Fraction and Vapor (IFV) Notation Update

  • Ammonium perfluorooctanoate
  • o-Anisidine
  • Chlordane
  • Chlorinated camphene
  • o-Chlorinated diphenyl oxide
  • o-Chlorobenzylidene malononitrile
  • Chlorodiphenyl (42% Chlorine)
  • Chlorodiphenyl (54% Chlorine)
  • Coumaphos
  • Dibutyl phenyl phosphate
  • o-Dichlorobenzene
  • p-Dichlorobenzene
  • Dichloroethyl ether
  • Diethanolamine
  • Dinitrobenzene
  • Dinitro-o-cresol
  • Dinitrotoluene
  • Diquat-I
  • Diquat-R
  • Endosulfan
  • EPN
  • Ethanolamine
  • Ethyl silicate
  • Heptachlor
  • Hexachlorobenzene
  • Hexachloronaphthalene
  • Hexafluoroacetone
  • Isobutyl nitrite
  • Isophorone diisocyanate
  • N-Isopropylaniline
  • 4,4´-Methylene bis(2-chloroaniline)
  • 4,4´-Methylene dianiline
  • Methyl parathion
  • Nicotine
  • Nitrapyrin
  • p-Nitroaniline
  • Nitroglycerin
  • 5-Nitro-o-toluidine
  • Nitrotoluene, all isomers
  • Octachloronaphthalene
  • Pentachloronaphthalene
  • Pentachloronitrobenzene
  • m-Phenylenediamine
  • o-Phenylenediamine
  • p-Phenylenediamine
  • Phosphoric acid
  • m-Phthalodinitrile
  • Sesone
  • Sulfometuron methyl
  • Sulfuric acid
  • Sulprofos
  • Temephos
  • 1,1,2,2-Tetrabromomethane
  • Tetrachloronaphthalene
  • Tributyl phosphate
  • 1,2,4-Trichlorobenzene
  • Trimethyl benzene
  • 2,4,6-Trinitrotoluene
  • Triphenyl phosphate

Other Issues Under Study

  • Explosion hazard endnote
  • Nanoscale primary particle notation
  • Vapor and aerosol endnote (V)

PHYSICAL AGENTS TLVs®
2015 NOTICE OF INTENDED CHANGES (NIC)

  • Electromagnetic Fields 0–300 GHz
  • Radiofrequency/microwave radiation
  • Ergonomics
  • Upper limb localized fatigue
  • Whole-body vibration

2015 ADOPTIONS

  • Ergonomics
  • Hand-arm vibration

2015 UNDER STUDY LIST

1. Acoustic

Noise/Acoustic

2. Electromagnetic Fields 0–300 GHz

Sub-radiofrequency magnetic fields

Sub-radiofrequency and static electric fields

3. Optical Radiation

Lasers

4. Ergonomics

Hand activity level

5.  Thermal Stress

Cold stress

Heat stress


Other Issues Under Study

  • Generalized fatigue and work schedules
  • Hyperbaric pressure
  • Hypobaric pressure
  • Neuroendocrine effects of light

BIOLOGICAL EXPOSURE INDICES (BEIs®)
2015 NOTICE OF INTENDED CHANGES (NIC)

Toluene diisocyanate-2,4- or 2,6- or as a mixture of isomers

2015 ADOPTIONS

  • Acetone
  • Cobalt and inorganic compounds
  • 1,6-Hexamethylene diisocyanate
  • Styrene

2015 UNDER STUDY LIST

  • Chemical Substances
  • Acetylcholinesterase inhibiting pesticides
  • Acrylamide
  • Benzene
  • Bisphenol A
  • 1-Bromopropane
  • Cadmium and inorganic compounds
  • Carbon monoxide
  • 3,3´-Dichlorobenzidine
  • Dimethylformamide
  • Ethylene oxide
  • N-Ethylpyrrolidone
  • Lead
  • Manganese
  • Methyl chloroform
  • Nickel
  • Phthalates
  • Polycyclic aromatic hydrocarbons (PAHs)
  •  
  • Other Issues Under Study
  • 1. Introduction to the BEI® Documentation
  • 2. Introduction to the Biological Exposure Indices in the TLVs® and BEIs® book

Feasibility Assessments

  • Acrylonitrile
  • Alachlor
  • Aluminum
  • Antimony
  • Beryllium
  • 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-Methyl styrene
  • Nickel
  • Nitrobenzene
  • Perfluorooctanoic acid
  • Selenium
  • Thallium
  • Trimethylbenzene
  • Vanadium pentoxide
  • Vinyl chloride