EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0052.17-200-T Benzo[a]fluoren-11-one, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 479-79-8 Price on request 676378 n-Pentyl-iso-pentylphthalate, 100 µg/ml, Isooctan Price on request 681352 Quinclorac-methyl, 100mg Price on request