Demeton-S-methyl-sulfoxide, 10.0 µg/ml, Acetonitr

PCB No. 156, 10µg/ml in Isooctane, 10ml

ICP-MS Calibration Standard

1,4-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.