At 100 ug/mL in Methanol/Methylene chloride. Standard contains: Acenaphthene, Acenaphthylene, Anthracene, Benzo(a)anthracene, Benzo(a)pyrene, Benzo(b)fluoranthene, Benzo(k)fluoranthene, Benzo(g,h,i)perylene, Chrysene, Dibenz(a,h)anthracene, Fluoranthene, Fluorene, Indeno(1,2,3-c,d)pyrene, Naphthalene, Phenanthrene, Pyrene, 4-Bromophenyl phenyl ether, Butyl benzyl phthalate, bis(2-Chloroethoxy)methane, bis(2-Chloroethyl)ether, bis(2-Chloroisopropyl)ether, 4-Chlorophenyl phenyl ether, Diethyl phthalate, Dimethyl phthalate, Di-n-butyl phthalate, Di-n-octyl phthalate, bis(2-Ethylhexyl)phthalate, N-Nitrosodimethylamine, N-Nitrosodi-n-propylamine, Diphenylamine, bis(2-Ethylhexyl)adipate, Aniline, Azobenzene, Carbazole, 4-Chloroaniline, o-Nitroaniline, m-Nitroaniline, p-Nitroaniline, Benzyl alcohol, 2-Chloronaphthalene, Dibenzofuran, 1,2-Dichlorobenzene, 1,3-Dichlorobenzene, 1,4-Dichlorobenzene, 2,4-Dinitrotoluene, 2,6-Dinitrotoluene, Hexachlorobenzene, Hexachlorobutadiene, Hexachlorocyclopentadiene, Hexachloroethane, Isophorone, 2-Methylnaphthalene, Nitrobenzene, 1,2,4-Trichlorobenzene, 4-Chloro-3-methylphenol, 2-Chlorophenol, o-Cresol, m-Cresol(50ppm), p-Cresol(50ppm), 2,4-Dichlorophenol, 2,4-Dimethylphenol, 4,6-Dinitro-2-methylphenol, 2,4-Dinitrophenol, 2-Nitrophenol, 4-Nitrophenol, Pentachlorophenol, Phenol, 2,4,5-Trichlorophenol, 2,4,6-Trichlorophenol, 2,3,4,6-Tetrachlorophenol, 2,3,5,6-Tetrachlorphenol, Pyridine, 1,2-Dinitrobenzene, 1,3-Dinitrobenzene, 1,4-Dinitrobenzene, 1-Methylnaphthalene, Benzoic acid, Acetophenone, n-Decane, 2,3-Dichloroaniline, n-Octadecane, a-Terpineol. Store in freezer. 1 year expiration from manufacture. A NIST Traceable Reference
