PCB 112, 1000µg/ml in Isooctane, 10ml

Perchloric acid, sodium salt, 100µg/mL in Water, 1

Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0

Cloprop, 10.0 µg/ml, Acetonitrile, 10ml