UFC 3-280-02A Hazardous Waste Land Disposal/Land Treatment ...

TM 5-814-7of preventing migration of liquids from the facility, butalso allowing no infiltration of liquids into the liner itself.The latter requirement in effect mandates use of asynthetic material as a primary liner at most hazardouswaste units.(2) Leachate collection and removal systems,capable of maintaining a leachate head no greater than 1foot, must be installed in a drainage layer above theliners in all landfills and waste piles; leak detectionsystems are also required. Specific design provisionsFigure 6-1. Flood control structures.6-2for leachate collection and leak detection systems arediscussed in paragraph 6-4.(3) The EPA has developed designrecommendations for various elements of the requiredliner system. Although the EPA currently considers itsrecommendations the minimum acceptable to ensureachievement of the performance goals set forth in theregulations, variations in system design are permittedupon successful demonstration of comparableperformance.b. Elements of the liner system. Linersystems forCANCELLED