The coefficient of variation (CV, calculated as ratio of the means’ standard deviation and the average) for PAH concentrations, calculated on a dry weight basis, were 29% for the total PAHs, 31% for the absorption PAHs and 29% for adsorption PAHs.
The coefficient of variation (CV, calculated as ratio of the means’ standarddeviation and the average) for PAH concentrations, calculatedon a dry weight basis, were 29% for the total PAHs, 31% forthe absorption PAHs and 29% for adsorption PAHs.