Profluralin, 100 µg/ml, Ethyl acetate, 1ml

1,3-Dibromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

High Conc VOC Mix #8, 2000µg/ml in MeOH, 1ml

4,4'-Dibromobenzophenone, 250mg