EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34291 1,1-Dichloroethane Price on request 11882.9-100G Di-n-butyl-carbonate,neat,neat,100g, Price on request 71494 Methyl quinoxaline-2-carboxylate Price on request