EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request 3496.12-100-CY Propyzamide Price on request 2909.14-100-ME Sodium p-n-octylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request