EPA Method 548.1 Internal Standard Back Catalog number: 30078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673457 Thiodicarb, 100 µg/ml, Acetonitrile, 5ml Price on request 18000-0300-100AN5 Cyclamic acid sodium, 100µg/ml in Acetonitrile, 5m Price on request 3323.23-100-AN Bifenthrin Price on request