Cyclopenta[cd]pyrene,200 µg/mL,toluene,1mL,

1,2,3,5,8-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane

Bis(p-chlorophenyl) sulfone,1000 µg/mL ,MeOH,1mL,

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