EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3375.9-100 Dichlorprop, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 120-36-5 Price on request 676464 Heneicosafluoroundecanoic acid, 100mg Price on request T526140 gama-Tocopherol, 50mg Price on request