EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70403 2,4-Diaminotoluene Price on request 50007 Bromide (Br-) Price on request 9772.7-K-ME 3-Methyl-1-butyl acetate,1000 µg/mL,MeOH,1mL Price on request