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 C17630000 Tri-allate, 250mg Price on request 683699 Acetylsalicylic acid, 100 µg/ml, Acetonitrile, 1 Price on request 8922.19-K-ME Methyl dodecylbenzenesulfonate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 52319-06-9 Price on request