EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10711.4-100-MEX5 O,O-Diethyldithiophosphate-13C4, sodium salt Price on request 682913 Dithianon, 100 µg/ml, Acetonitrile, 5ml Price on request 3071.11-10MG 5-Methyl-1-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 51149-87-2 Price on request