CLP Semi-Volatile Internal Standard Back Catalog number: 10019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30177 EPA Method 548.1 Analyte Price on request 31022 2,4-Dichlorophenylacetic acid Price on request 1528.12-100-IO Dibenzofuran-d8, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-04-6 Price on request