@article{fdi:010054268, title = {{L}ichen and soil as indicators of an atmospheric mercury contamination in the vicinity of a chlor-alkali plant ({G}renoble, {F}rance)}, author = {{G}rangeon, {S}. and {G}u{\'e}dron, {S}t{\'e}phane and {A}sta, {J}. and {S}arret, {G}. and {C}harlet, {L}.}, editor = {}, language = {{ENG}}, abstract = {{A}tmospheric mercury ({H}g) deposition around a mercury cell chlor-alkali plant located near {G}renoble, south-east {F}rance, was assessed using {H}g concentrations in lichens and soils. {H}g content in the epiphytic {X}anthoria parietina lichen ranged from similar to 0.07 to similar to 2.51 mu g g(-1), and concentrations decreased with increasing distance to the plant, with a contamination radius of similar to 2 km. {S}oil {H}g concentration profiles were consistent with an atmospheric origin, with higher concentrations in the upper part of the profiles. {C}oncentration of {H}g in lichens and top soils (0-10 cm depth) as a function of the distance to the chlor-alkali plant exhibited highly similar variations. {U}sing a simple first-order deposition model, mean {H}g fallouts for the whole history of chlor-alkali plant are estimated to similar to 36g {H}g day(-1) in this area, compatible with values reported for reactive gaseous mercury ({RGM}) emissions of similar industrial plants. {U}sing literature data on {RGM} to total {H}g emission ratio, we estimate that the plant emitted similar to 650 kg {H}g year(-1). {T}wo kilometres away from the plant, {H}g content in top soils falls to values of (0.13 +/- 0.07) mu g g(-1) {H}g, which is the local anthropogenic geochemical background level, but higher than unperturbed geochemical background found at the bottom of soil profiles (below 40 cm depth) estimated to (0.04 +/- 0.01) mu g g(-1) {H}g. {T}he present study evidences that lichens are a pertinent proxy for soil {H}g contamination around chlor-alkali plants. {T}hey are attractive bioinonitoring tools since sampling and preparations protocols for lichens are less time consuming than those used for soils.}, keywords = {{M}ercury ; {S}oils ; {L}ichens ; {X}anthoria parietina ; {C}hlor-alkali ; {F}rance ; {FRANCE}}, booktitle = {}, journal = {{E}cological {I}ndicators}, volume = {13}, numero = {1}, pages = {178--183}, ISSN = {1470-160{X}}, year = {2012}, DOI = {10.1016/j.ecolind.2011.05.024}, URL = {https://www.documentation.ird.fr/hor/fdi:010054268}, }