Notice of Intended Changes List

2023 Notice of Intended Changes List (NICs)

CHEMICAL SUBSTANCES TLVs®
2023 NOTICE OF INTENDED CHANGES (NIC)
Bensulide
Acetylsalicylic acid
Benzene
Buprofezin
Dimethenamid-P
Endotoxins
Ethylene glycol dimethyl ether
Formic acid
Halothane
Methyl ethyl ketone
Nitric acid
Phenylethyl alcohol
Sevoflurane
tert-Butyl hydroperoxide
Triclosan
Trimetacresyl phosphate
Triparacresyl phosphate

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

BIOLOGICAL EXPOSURE INDICES (BEIs®)
2023 NOTICE OF INTENDED CHANGES (NIC) 
Platinum
Arsenic (and soluble inorganic compounds)
Xylenes (technical or commercial grades)