2,2’,3,3’,4,6’-Hexachlorobiphenyl

Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-10, Cas.no. 473-98-3

PCB No. 21, 100µg/ml in Isooctane, 1ml

Butralin, 10.0 µg/ml, Ethyl acetate, 10ml