Dimethachlor, 100 µg/ml, Acetonitrile, 5ml

d2 C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 205529-81-3

Ibuprofen, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15687-27-1

1,2,4,7/1,2,4,8-Tetrachlorodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, nonane