EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended T922700 L-Thyronine, 50mg Price on request 675777 Norflurazon, 100 µg/ml, Ethyl acetate, 5ml Price on request F436000 Fluindione, 25mg Price on request