Recuperation Standard

4,5,9,10-Tetrahydropyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 781-17-9

Metolachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 51218-45-2

Quinclorac, 10.0 µg/ml, Acetonitrile, 10ml