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 71396 4-Chloro-3-nitrobenzotrifluoride Price on request 675208 Amidithion, 10.0 µg/ml, Ethyl acetate, 5ml Price on request 677532 Benz[a]anthracene, 20mg Price on request