N-Nitrosodimethylamine, 1g

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

9-Ethylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3674-75-7

2,5-Dichloroaniline, 100 µg/ml, Methanol, 5ml