EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9451.9-100 Dicamba methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6597-78-0 Price on request 79618 bis(Chloromethyl) ether Price on request S-13039A1-1ML Phosphamidon, 100µg/ml in Acetonitrile, 1ml Price on request