Ethion

1,2,7,8-Tetrabromodibenzofuran, 1.2ml x 50ug/ml, toluene

2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Perfluoro-n-[13C8]octanoic acid, 50µg/ml in MeOH, 1,2ml