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The ISO Draft International Standard cited below has been published for Public Comment. If anyone would like a copy please contact me or Joanna Macnamara, secretary of BSI Committee EH4 Soil Quality, at [log in to unmask] The date for receipt of comments is 16 August 2012. Please note that there is a prescribed format for comments. Regards, Mike Smith M A Smith Environmental Consultancy SCI representative on BSI Committee EH4-Soil Quality Tel. 01442-872968 [log in to unmask] <mailto:[log in to unmask]> ISO DIS 13859 Soil Quality - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography 1 Scope This International Standard specifies the quantitative determination of 16 polycyclic aromatic hydrocarbons (PAH) in sludge, soil, and treated biowaste. +++++++++++++++++++++++++ Mike Smith M A Smith Environmental Consultancy Farthing Hill Browns Springs Potten End BERKHAMSTED HP4 2SQ 01442-872968 07961-312790 [log in to unmask] www.michael.a.smith.btinternet.co.uk