D6-Metazachlor, 5mg

Metronidazole, certified, 0.25g

Di-isooctyl phthalate (mixture of C8-isomers), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27554-26-3

Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203578-33-0