EPA Method 634 Analytes Back Catalog number: 40050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0169.4-1ML Tetrahydrothiophene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-01-0 Price on request 673629 Malathion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 11341.15-100-AN Metazachlor methylsulfoxide,100 µg/mL,acetonitrile,1mL, Price on request