translate English to French: The highest mean concentrations were measured near utility poles treated with creosote, with values of 488 µg/L for naphthalene, 1642 µg/L for phenanthrene (Wan, 1991), 2035 µg/L for fluoranthene, and 5356 µg/L for total PAHs (Wan 1993).
Les concentrations peuvent inclure celles des HAP dissous et extractibles adsorbés sur des particules en suspension dans la colonne d’eau.