EPA Method 8250 Back Catalog number: 82522 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1062.9-100MG 4-Isopropylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4946-14-9 Price on request 676229 Fenthion, 100 µg/ml, Acetone, 1ml Price on request 675137 Carfentrazone (free acid), 100 µg/ml, Acetonitril Price on request