EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678095 Isofenphos, 100 µg/ml, Acetonitrile, 1ml Price on request 675095 Sodium p-n-dodecylbenzenesulfonate, 10mg Price on request 3391.9-100-AN Endosulfan Price on request