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 55162 WS Organic Drinking Water Kit Price on request 15900-4980-100AN5 Triclocarban, 100µg/ml in Acetonitrile, 5ml Price on request 676466 Niflumic acid, 100mg Price on request