4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 2mL, # of units-1, Cas.no. 66148-19-4

17 alpha(H),21 alpha(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

2,4,4'',6-Tetrachloro-p-terphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.