EPA Method 8032 Internal Standard Back Catalog number: 80303 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681878 Flamprop-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 96615 Venlafaxine Price on request 71279 Esfenvalerate, 1000µg/ml in MeOH, 1ml Price on request