WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Triclocarban, 100 µg/ml, Acetonitrile, 1ml

p-Sexiphenyl, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4499-83-6

Fenoprop