EPA Method 550 Analytes Back Catalog number: 31051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79083 Di-n-butyl phthalate Price on request 673309 Formetanate hydrochloride, 100 µg/ml, Acetonitril Price on request L12082000CY 4,4´-DDT, 10µg/mL in Cyclohexane, 10ml Price on request