Alachlor ESA, 1000µg/ml in MeOH, 1ml

Perfluorooctanesulfonic acid, 100µg/mL in MeOH,1ml

2,2',3,3',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chloroxuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1982-47-4