EPA Method 551.1 - Analytes Mix #1 Back Catalog number: 30098 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended I0228 Isophoronediamine (cis- and trans- mixture), 25ml Price on request 673397 Nitenpyram, 100 µg/ml, Acetonitrile, 5ml Price on request 10357.19-100-ME Norclomipramine hydrochloride Price on request