15 EU PAH Cocktail , 100µg/m Lin Toluene , 1ml

1,2,4,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane

2,2',3,3',4,6'-Hexachlorobiphenyl (132)

Perfluoro-3,7-dimethyloctanoic acid, 50µg/ml in MeOH, 1,2ml