2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194)

1-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1076-26-2

2-n-Nonylphenol-mono-ethoxylate, 100 µg/ml, Aceto

Levonorgestrel, 100µg/mL in Acetonitrile, 1ml