beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml

Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33262-29-2

2,2',3,3',4,4',5,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

Fenthion-oxon-sulfone