1-Chlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Mixture of 13C-labelled α-, β-, and γ-HBCD, 1.2ml , toluene

Tris(4-isopropylphenyl) phosphate,50 µg/mL,toluene,1mL,

Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml