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Of the 25 ponds in the effected area, those to the west have been capped with a geosynthetic barrier and covered with soil.
Other names used for GCLs since their initiation are "clay blankets", "bentonite blankets", "bentonite mats", "prefabricated bentonite clay blankets" and "clay geosynthetic barriers", the latter currently favored by the International Organization for Standardization (ISO).