EPA 1620 Standard 2 Back Catalog number: 53140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2281.8-K-IPX5 4-Ethylphenol-d10, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 352431-18-6 Price on request 79013 4,4’-Dibromooctafluorobiphenyl Price on request 2066.6-K-IP 2,3-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 576-24-9 Price on request