ACGIH (American Conference of Industrial Hygenists)

AED (acute exposure duration)

AEGL (Acute Exposure Guideline)

AIHA (American Industrial Hygiene Association)

ATSDR (Agency for Toxic Substances and Disease Registry)

BEI (Biological Exposure Indices)

CNRV (cancer and noncancer risk values)

CLLED (chronic and less than lifetime exposure durations)

ECB is replaced by ECHA (European Chemicals Agency)

ERPG (Emergency Response Planning Guideline)

EU (European Union)

IRIS (Integrated Risk Information System)

MRL (Minimal Risk Level)

NTP (National Toxicology Program)

OEL (Occupational Exposure Limit)

ORATS (Online European Risk Assessment Tracking System)

OSHA (Occupational Safety and Health Administration)

PEL (Permissible Exposure Limit)

TAS (Test Agent Studies)

TLV (Threshold Limit Value)

TP (Toxicological Profile)

USEPA (United States Environmental Protection Agency)

WEEL (Workplace Environmental Exposure Limit)