Tetrachloroethene, 100 µg/ml, Methanol, 5ml

PCB 52-d3, 10µg/ml in Cyclohexane, 5ml

Kojic acid, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 501-30-4

Benfluralin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1861-40-1