Isofenphos, 100 µg/ml, Toluene, 1ml

PCB Calibration Solutions for GC/MS Calibration Kit, 5 x 500ul, isooctane

4-Methyl-2,2',5,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Dinoterb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1420-07-1