L

LA50 value 286, 299-300, 303 labile fraction 224 labile metal complexes 149, 214 labile metal pool 12, 234, 238,

243, 245 labile metal species 11, 157, 217, 238

labile sulphides 169 lability of metals 236 laboratory bioassays 259, 324, 327

lack of selectivity 197 lack of toxicity 184 Lake Malaren 49, 51, 55-56, 6061, 65-67, 88-97, 135-137, 273-274,316 LakeRunn 122-131 Lake Siljan 128 landfill leachates 162 landfill sites 43-44 landfills 5, 26, 29-30, 38, 42, 53,

55, 87, 161 Langmuirian-type adsorption 217 LC50 of copper 283

LC50 sediment concentration 185 lead 5-6, 11-12, 16, 27, 41-42, 48, 51, 63, 64, 86, 89, 91-93, 96, 117, 121-126, 128, 134, 144, 170, 174-176, 193, 198, 225, 250-251, 277, 316-317, 325, 330, 346-348, 356, 360, 369, 371-373 Lepidium heterophyllum

(pepperwort) 244 lepidocrite 192 lipid permeation 266, 270 lipophilicity 266 London Metal Exchange 22 long-term mobility of Cu 261 low affinity Zn-sites 249 lowest biological risk xvi, 143 lowest observed no-effect concentration in field soils 259 Lumbriculus variegates 186

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