Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

Benzo[c]phenanthrene[1,4]quinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 109699-80-1

Propyzamide, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23950-58-5

Metazachlor ESA, 10mg