8151MDL B Back Catalog number: 92213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30041 EPA Method 531.1 Individual Analytes Price on request 678188 Carbophenothion-methyl, 10mg Price on request 677685 Benz[a]anthracene, 10.0 µg/ml, Acetonitrile, 10m Price on request