1. Pentachlorophenol removal from aqueous matrices by sorption with almond shell residues
2. EPA method 604, Phenols in Federal Register, Environmental Protection Agency, Part VIII, 40 CFR Part 136, 58, Friday October 26, 1984.
3. EPA method 625, Base/neutrals and acids in Federal Register, Environmental Protection Agency, Part VIII, 40 CFR Part 136, 153, Friday October 26, 1984.
4. EPA Method 804 1, Phenols by Gas Chromatography: Capillary Column Technique, Washington, DC, 1995, p. 1.
5. EU Directive 2455/2001/EC, Priority substances in the field of water policy (Official Journal L 331 of 15.12.2001), http://europa.eu/scadplus/leg/en/lvb/l28180.htm.