A permanent storage vault for hazardous waste materials provides a water-confining basin liner for an excavation basin, a liquid collection system to collect liquids from the basin liner and a double encapsulation for the waste materials including a water-impervious film encapsulation and, surrounding...http://www.google.es/patents/US4362434?utm_source=gb-gplus-sharePatente US4362434 - Permanent disposal vault for hazardous chemical waste materials
Permanent disposal vault for hazardous chemical waste materials
