EPA Method 549.1 Analytes Back Catalog number: 31079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677546 trans-Permethrin, 100 µg/ml, Acetone, 1ml Price on request 59641 Anions Mix Price on request 680857 Demeton-O, 100 µg/ml, Acetonitrile, 1ml Price on request