PCB No. 189, 10µg/ml in Isooctane, 10ml

Heptachlor, 1.2mL x 100ug/mL, nonane

3,3'-Dichlorobenzidine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-94-1

2,2',3,4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,