EPA Method 8330 Analyte Back Catalog number: 79070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0392.10-K-IO n-Butylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-51-8 Price on request E890442 Ethosuximide-d3, 1mg Price on request 79290 4,4’-DDD Price on request