Pyrene, 10 µg/ml, Cyclohexane, 10ml

1,2,5,6,9,10-Hexabromocyclododecane, 100µg/ml in MeOH, 5ml

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208)

Internal Standard Stock Solution, 1.2ml, nonane