1,3,4,6,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Formaldehyde-DNPH Level 2 (0.5ug/mL)

D6-Flufenacet ESA sodium salt, 100 µg/ml in ACN

Metazachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 67129-08-2