EPA Method 1664 - Oil & Grease (Sonicate)

2,4-Di-tert-butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 96-76-4

Disulfoton-sulfone, 100 µg/ml, Acetonitrile, 5ml

6-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.