EPA 1620 Standard 5 Back Catalog number: 53143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L15970000ME Pentachlorophenol, 10µg/mL in MeOH, 10ml Price on request 2128.12-100-IOX5 Arochlor 1254, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11097-69-1 Price on request 34461 2,3-Dimethylheptane Price on request