EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3539.11-K-IO Perhydrofluorene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 5744-03-6 Price on request 18000-0368D-100AN 17b-Estradiol-2,4,16,16,17-d5, 100µg/ml in Acetonitrile, 5ml Price on request 676979 D7-Atenolol, 100 µg/ml, Acetonitrile, 1ml Price on request