EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2064.6-K-IP 2,4-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 120-83-2 Price on request 677283 Ibuprofen carboxylic acid, 10mg Price on request 94020 Method 504.1MDL Mix Price on request