(-)-Nicotine ditartrate, >99%, (CAS 65-31-6), 10g

Cyprodinil, 100µg/ml in Acetonitrile, 5ml

2,2',3,3',5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Herbicide Spiking Standard - TCLP Procedure