EPA Method 524.2 Volatile Standard Back Catalog number: 94577 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2522.8-K-ME 4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7 Price on request 675580 Thiofanox, 10.0 µg/ml, Acetonitrile, 10ml Price on request 90291 Perylene-d12 Price on request