US EPA 2000: Draft PBT National Action Plan For Hexachlorobenzene (HCB) for Public Review http://www.epa.gov/pbt/pubs/hcbactionplan.pdf
US EPA 2000: Draft PBT National Action Plan For Hexachlorobenzene (HCB) for Public Review http://www.epa.gov/pbt/pubs/hcbactionplan.pdf