EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8461.12-100-ME Phoxim,100 µg/mL,MeOH,1mL, Price on request 1044.13-K-IO n-Heptylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5617-41-4 Price on request 50405 Custom Mix Price on request