hazmat

noun 0.821

chemical hazard

noun 0.720

hazard

noun 0.711

biohazard

noun 0.707

hazardousness

noun 0.702

toxic waste

noun 0.665

hazmat suit

noun 0.627

radioactive waste

noun 0.617

geohazard

noun 0.586

hazarding

noun 0.584

pollutant

noun 0.576

ultrahazardous activity

noun 0.569

air pollutant

noun 0.562

chemical substance

noun 0.561

material

noun 0.559

chemicals

noun 0.556

combustible

noun 0.548

contaminant

noun 0.545

greenhouse gas

noun 0.544

weapon of mass destruction

noun 0.540

radioactive

noun 0.539

nanomaterial

noun 0.539

chemical weapon

noun 0.537

strategic material

noun 0.535

building material

noun 0.533

high explosive

noun 0.529

flammable

noun 0.527

asbestos

noun 0.526

materials handling

noun 0.525

hydrocarbon

noun 0.524

particulate matter

noun 0.524

danger

noun 0.520

waste product

noun 0.520

hydrogen sulfide

noun 0.515

explosive

noun 0.515

pollution

noun 0.513

carcinogen

noun 0.513

toxin

noun 0.510

dangerousness

noun 0.510

nonflammable

noun 0.508

poison

noun 0.507

heavy metal

noun 0.507

chemical

noun 0.504

air pollution

noun 0.502

controlled substance

noun 0.502

chemical agent

noun 0.502

water pollution

noun 0.501