Nicosulfuron, 100mg

1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Amitrole, 100 µg/ml, Acetonitrile, 1ml

3,3',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25570-02-9