EPA Method 551.1 - Analytes Mix #1 Back Catalog number: 30098 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MET-13104AM1-1ML Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Price on request 679990 Tropinone, 10mg Price on request 8243.11-100-T 2-Methyl-1-nitronaphthalene-d9, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request