2,4,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Pentachlorphenol-13C6, 100µg/ml in MeOH, 1ml

Triethyl phosphate, 1.2ml x 50ug/ml, toluene

1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL,