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 674553 Picolinafen free acid, 10mg Price on request 90124 Aroclor 1221 Price on request 59917 ICP / OES Mix Price on request