EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-11585A1-1ML Napropamide, 100µg/ml in Acetonitrile, 1ml Price on request 30041 EPA Method 531.1 Individual Analytes Price on request 676822 2-Aminoflubendazole, 10mg Price on request