Fall 2025 Notice of Intended Changes List (NICs)

CLICK HERE TO GO TO DATA HUB.
CLICK HERE TO PURCHASE DOCUMENTATION IN PDF FORMAT.

CHEMICAL SUBSTANCES TLVs^®
2025 NOTICE OF INTENDED CHANGES (NIC)
Aniline
Carbon monoxide (comment period closed)
Dicamba (comment period closed)
1,4-Dichloro-2-butene
Diethyltoluamide (DEET)
Dimethyl carbamoyl chloride
Ethyl butyl ketone
Nitric acid (comment period closed)
Propargyl alcohol (comment period closed)
o-Toluidine

PHYSICAL AGENTS TLVs^®
2025 NOTICE OF INTENDED CHANGES (NIC) 
None

BIOLOGICAL EXPOSURE INDICES (BEIs^®)
2025 NOTICE OF INTENDED CHANGES (NIC) 
None