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 679258 D6-Metazachlor, 5mg Price on request 673685 Pyrazophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 8477.13-10MG 2-Phenylbenzoxazole, neat, Solvent-neat, Unit 10MG, # of units-23, Cas.no. 833-50-1 Price on request