PAH Calibration solution CS5, in IO/TO, 1ml

D20-Ethion, 100 µg/ml, Acetone, 1ml

U{13C20}-Ochratoxin A, 10µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Methylarsonic acid, 100mg