Initial Check Verif. Standard 4, in 4%HNO3, 100ml

4-Chlorophenol-2,3,5,6-d4, OD, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 344298-84-6

Chloramben, 100mg

Metolachlor-d6 (propyl-d6),100 µg/mL,acetonitrile,1mL,