EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBZ-1235 1,2,3,5-Tetrachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane Price on request 10212.8-100-ME Methyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 362049-51-2 Price on request 672870 Metolachlor, 100mg Price on request