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

2,6-Di-tert-butyl-4-methoxyphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 489-01-0

Alachlor, 100 µg/ml, Acetonitrile, 5ml

ASTM D-4815 Calibration Mix #3