2,4-D, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 94-75-7

2,3-Dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 5910-89-4

4-Bromo-2,3,7,8-tetrachlorodibenzofuran, 1.2ml x 50ug/ml, toluene

3-Methylphenanthro[3,4-c]phenanthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 83844-21-7