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

Isoprocarb,100 µg/mL,acetonitrile,1mL

Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2

Pyridine