Endosulfan

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

2,2',4,4'-Tetrabromodiphenyl ether,50µg/ml IO, 1ml

EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml