Abamectin, 100 µg/ml, Acetonitrile, 5ml

Acetic acid-13C2,2000 µg/mL,MeOH,1mL,

2,2',4-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

PCB No. 154, 100µg/ml in Isooctane, 1ml