EPA Method 548.1 Analyte

Sulfapyridine, 100 µg/ml, Methanol, 1ml

2,3,5,6-Tetrabromo-p-xylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Pesticide Mix #23, 10µg/mL in Acetonitrile, 1ml