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 678461 Prochloraz, 100 µg/ml, Acetonitrile, 5ml Price on request F0006 Iron(II) Ethylenediammonium Sulfate 4H2O, 25g Price on request X9226 trans-Chlordane Price on request