1,2-Benz[a]anthraquinone

2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Difenoconazole, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene