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 11619.10-K-ME (±)-Baclofen,1000 µg/mL,MeOH,1mL, Price on request 97659 Method 1666 Standard Price on request 71090 Acifluorfen methyl derivative Price on request