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

2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

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

Phosphamidon, 100µg/ml in Acetonitrile, 1ml