Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

trans-Permethrin (isomer mix), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-77-7

Herbicide Acid Methyl Esters Mix

1,2,4-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,