EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended 96577 Mestranol Price on request 676241 Famoxadone, 100 µg/ml, Cyclohexane, 1ml Price on request 50003 MA - EPH Aromatic Hydrocarbons Price on request