Butachlor, 100 µg/ml, Acetonitrile, 5ml

Naphthalene-d8, 1000µg/ml in MeOH, 1ml

ASTM D-4815 Valve Timing Mix

1,4-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 100900-16-1