Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate,

1,2-Dichloronaphthalene,50 µg/mL,isooctane,1mL,

1,3,6,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2,6-Dichloroaniline, 100 µg/ml, Methanol, 5ml