EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674738 Flufenacet OA, 10mg Price on request 674815 Prothoate, 10 µg/ml, Ethyl acetate, 10ml Price on request 10413.4-K-ME Sodium DL-3-hydroxybutyrate-2,4-13C2 Price on request