EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-2533-10AN1 2-Hydroxycarbamazepine, 10µg/ml in Acetonitrile, 1ml Price on request 678492 Propyzamide, 100 µg/ml, Acetonitrile, 5ml Price on request N-14195-10MG (Z)-Metominostrobin, 10mg Price on request