D6-Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml

2,3,3',4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

3-n-Propylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1518-75-0

N-Nitroso-methylethylamine, 100mg