Alachlor ESA sodium salt, 25mg

2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

5-Chlorovanillin, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 19463-48-0

VOC Standard 1