EPA Method 551.1 Performance Check Sol’n Back Catalog number: 30115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1399.12-K-IO Tri-n-butylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126-73-8 Price on request 1267.8-1ML o-Xylene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 95-47-6 Price on request MBDE-MXG Mass-Labelled PBDE Solution/Mixture, 1.2ml, nonane Price on request