Benz[a]anthracene, 100 µg/ml, Acetonitrile, 1ml

2,3,3',4,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

6-Benzylaminopurine

2,3,8-Trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene