EPA Method 548 Analyte Back Catalog number: 30048 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M312520 6a-Methyl Hydrocortisone 21-Acetate, 50mg Price on request 0307.23-200-T 6-Methylanthanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 31927-64-7 Price on request 675432 Prometryn, 250mg Price on request