Isoproturon-desmethyl, 100µg/ml in ACN, 5ml

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

4-Bromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 106-41-2

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