2,4-DDE standard

Alachlor ESA sodium salt, 100µg/ml in MeOH, 1ml

2,3,7,8-Tetrachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

25H-NBMD hydrochloride,100 µg base/mL,MeOH,1mL,