Anthraquinone, 100 µg/ml, Acetonitrile, 5ml

Heptenofos,100 µg/mL,MeOH,1mL,

2,2',3,3',4,4',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane