S-Metolachlor, 1000μg/mL in Acetone, 1ml

Pentachloroanisole, 100 µg/ml, Acetonitrile, 5ml

PCB No. 206, 10ug/ml in Isooctane, 10ml

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