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 679678 D8-Imidocarb dihydrochloride, 10mg Price on request 684690 D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Price on request 94341 Pesticide Mix #2 Price on request