Chlorpyrifos, 100 µg/ml, Toluene, 1ml

5-Hydroxyindole-3-acetic acid,1000 µg/mL,MeOH,1mL,

4-tert-Butyl-2-methylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 98-27-1

Herbicide Spiking Standard - TCLP Procedure