Norfloxacin, 100 µg/ml, Methanol, 1ml

Pyrene-d10, 1000µg/mL in acetonitrile, 1ml

EPA Method 507/525 Analytes Mix #2 Rev.1

Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2