Penoxsulam, 100 µg/ml, Acetonitrile, 1ml

1,2,4,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml

4-Fluoro-2-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 452-72-2