EPA Method 548 Analyte

1,3,7-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-38-6

Acetonitrile

Chlorothalonil Metabolit R417888 sodium salt, 100µg/ml in AL, 1ml