EPA Method 353.2 Nitrate + Nitrite Back Catalog number: 53120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2948.6-100-IO alpha-1,2,3,4,5,6-Hexachlorocyclohexane-d6, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 86194-41-4 Price on request 92579 2-Pentanone Price on request CA16493500 Propionic acid-ethyl ester, 250mg Price on request