Alachlor OA Sodium Salt, 100μg/mL in MeOH, 1ml

2,3-Dichloronitrobenzene, 250mg

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5