TM 5-814-7
Figure 6-1. Flood control structures.
of preventing migration of liquids from the facility, but
for leachate collection and leak detection systems are
also allowing no infiltration of liquids into the liner itself.
discussed in paragraph 6-4.
The latter requirement in effect mandates use of a
(3) The
EPA
has
developed
design
synthetic material as a primary liner at most hazardous
recommendations for various elements of the required
waste units.
liner system. Although the EPA currently considers its
(2) Leachate collection and removal systems,
recommendations the minimum acceptable to ensure
capable of maintaining a leachate head no greater than 1
achievement of the performance goals set forth in the
foot, must be installed in a drainage layer above the
regulations, variations in system design are permitted
liners in all landfills and waste piles; leak detection
upon successful demonstration of
comparable
systems are also required. Specific design provisions
performance.
b. Elements of the liner system.
Liner
systems for
6-2
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