Bromochloroacetic acid, 100mg

2,2',3,4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

n-Perfluoroheptanoic acid

1,2,4,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene