EPA Method 531.1 - Analytes Back Catalog number: 30042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72401 Antipyrine, 1000µg/ml in MeOH, 1ml Price on request N-11076-1G Aniline, 1g Price on request 38132 WS PAHs Price on request