EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ALR-138N Monoethylhexyl phthalate (mEHP), 100mg Price on request 673332 Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml Price on request 98308 Denatured Fuel Ethanol Calibration Level 1 Price on request