Pyrene, 100 µg/ml, Cyclohexane, 1ml

2,2',3,4,4',6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,2',3,3',4,5',6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2-Methyl-1,3-butadiene