Dapsone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-08-0

alpha alpha alpha (20R,24R)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3

Metconazole, 10 µg/ml, Ethyl acetate, 10ml

PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml