Fluorocarbon-115; Freon115; Genetron115; Halocarbon 115; monochloropentafluoroethane

nitrochloroform; nitrotrichloromethane; trichloronitromethane

chlorpyrifos-ethyl; O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban; phosphorothioate; phosphorothioic acid

chromic acid, chromic anhydride, chromic oxide, chromium(VI) oxide (1:3), chromium trioxide, ammonium chromate, ammonium dichromate, barium chromate, basic lead chromate, calcium chromate, chromium [VI] chloride, chromium trioxide, chromyl chloride, lead chromate, potassium chromate, potassium dichromate, sodium chromate, sodium dichromate, strontium chromate, molybdenum orange, zinc chromate, zinc chromate hydroxides, zinc potassium chromates (hydroxides)

chromic anhydride, chromic oxide, chromium(VI) oxide (1:3), chromium trioxide, ammonium chromate, ammonium dichromate, barium chromate, basic lead chromate, calcium chromate, chromium [VI] chloride, chromium trioxide, chromyl chloride, lead chromate, potassium chromate, potassium dichromate, sodium chromate, sodium dichromate, strontium chromate, molybdenum orange, zinc chromate, zinc chromate hydroxides, zinc potassium chromates (hydroxides)

chrome; chromium

Synonyms vary depending upon the specific Chromium(II) compound. [Note: Chromium(II) compounds include soluble chromous salts.]

Synonyms vary depending upon the specific Chromium(III) compound. [Note: Chromium(III) compounds include soluble chromic salts.]

1,2-benzophenanthrene, benzo(a)phenanthrene, 1,2,5,6-dibenzonaphthalene, 1,2-benzphenanthrene, benz(a)phenanthrene

Coyden; 3,5-dichloro-2,6-dimethyl-4-pyridinol

anthracite coal dust; bituminous coal dust; lignite coal dust

anthracite coal dust; bituminous coal dust; lignite coal dust

coal tar pitch high temperature; oil pitch; pitch; CTPHT; coal tar distillates; other synonyms vary depending upon the specific compound (e.g., pyrene, phenanthrene, acridine, chrysene, anthracene and benzo(a)pyrene).

di-µ-carbonylhexacarbonyldicobalt; cobalt octacarbonyl; cobalt tetracarbonyl dimer; dicobalt carbonyl; dicobalt octacarbonyl; octacarbonyldicobalt

hydrocobalt tetracarbonyl; tetracarbonylhydridocobalt; tetracarbonylhydrocobalt

cobalt metal dust; cobalt metal fume; cobalt metal powder; elemental cobalt

Varies upon specific constituents.

Clomazone; dimethazone, Command herbicide, Gamit

copper metal dusts; copper metal fume; black copper oxide fume; copper monoxide fume; copper(II) oxide fume; cupric oxide fume

copper metal dusts; copper metal fume; black copper oxide fume; copper monoxide fume; copper(II) oxide fume; cupric oxide fume

raw cotton dust

Coumaphos; O,O-diethyl O-(3-chloro-4-methyl-2-oxo(2H)-1- benzopyran-7-yl)phosphorothioate; Diolice; Meldane; Muscatox; Resistox; Asuntol; Bay 21/199; Bazmix; Umbethion

Crag herbicide No. 1; 2-(2,4-dichlorophenoxy)ethyl sodium sulfate; Sesone; Ethanol, 2- (2,4-dichlorophenoxy), hydrogen sulfate, sodium salt; 2-(2,4-dichlorophenoxy)ethyl sodium sulfate; disul-sodium; sodium 2,4-dichlorophenyl cellosolve sulfate

ortho(meta or para)-cresol; 2(3 or 4)-cresol, o(m or p)-cresylic acid; 1-hydroxy-2(3 or 4)-methylbenzene; 2(3 or 4)-hydroxytoluene; 2(3 or 4) -methyl phenol

2-butenal; crotonaldehyde, inhibited; β-methyl acrolein; propylene aldehyde

4-t-butyl-2-chlorophenylmethyl methylphosphoramidate; Dowco 132; Ruelene; Amidophos

isopropyl benzene; isopropylbenzene; 2-phenyl propane; cumol

amidocyanogen; carbimide; carbodiimide; cyanogen nitride; hydrogen cyanamide

Synonyms vary between cyanide compounds.

carbon nitride; dicyan; dicyanogen; ethanedinitrile; oxalonitrile

chlorcyan; chlorine cyanide; chlorocyanide; chlorocyanogen; cyanogen chloride inhibited

benzene hexahydride; hexahydrobenzene; hexamethylene; hexanaphthene

anol; cyclohexyl alcohol; hexahydrophenol; hexalin; hydralin; hydroxycyclohexane

anone; cyclohexyl ketone; pimelic ketone; ketohexamethylene

benzene tetrahydride; tetrahydrobenzene

aminocyclohexane; aminohexahydrobenzene; hexahydroaniline; hexahydrobenzenamine

cyclotrimethylene trinitramine, (desensitized); cyclotrimethylenetrinitramine; hexahydro-1,3,5-trinitro-s-triazine; RDX; trimethylenetrinitramine; 1,3,5-trinitro-1,3,5-triazacyclohexane

1,3-cyclopentadiene

pentamethylene

TCHH; tricyclohexylhydroxystannane; tricyclohexylhydroxytin; plictran; tricyclohexyltin hydroxide (before 1989)

3-(2,2-dichloroethenyl)-2,2-di-methylcyclopropane carboxylic acid cyano-(3-phenoxyphenyl)-methyl ether; Cypercopal; Cyperkill; Cypermar

p-aminochlorobenzene; 1-amino-4-chlorobenzene; 4-chloroaniline; p-chlorobenzenamine; 4-chlorobenazmine

chloromethyl phenyl ketone; mace; phenacylchloride; phenyl chloromethyl ketone; tear gas

2-chloro-1,3-butadiene; chlorobutadiene; chloroprene