EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA13797500AL 4-Fluoro-3-phenoxy benzoic acid, 100 ng/µl, 1ml Price on request 8379.9-K-IP 2,6-Dimethylanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1004-66-6 Price on request 9755.17-100-IO iso-Butyl n-pentyl phthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request