EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2061.6-K-IP 2,4-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 615-58-7 Price on request 13432-AN5 DNPH - Mix 4, 100µg/ml in Acetonitrile, 5ml Price on request C20630200 Benzo(g,h,i)perylene D12, 10mg Price on request