EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA09010161AL Cadusafos, 100µg/mL in Acetonitrile, 1ml Price on request 30151 EPA Method 515.3 - Derivatized acids Price on request RM0053 2-Butanone Price on request