N-Nitrosodiisopropylamine, 100 µg/ml, Methanol,

2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Endrin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 72-20-8

2,2,3,4,5,6-Hexachlorobiphenyl,BZ-143