EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3723.18-100MG Sodium dodecylbenzenesulfonate, mixture of branched C10-C14, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 25155-30-0 Price on request MDF-2 2-Chloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 682038 alpha-Zearalenol, 10.0 µg/ml, Acetonitrile, 1ml Price on request