Coal Combustion Waste Management at - DOE - Fossil Energy ...
Coal Combustion Waste Management at - DOE - Fossil Energy ...
Coal Combustion Waste Management at - DOE - Fossil Energy ...
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TABLE K.1 (Cont.)<br />
ID St<strong>at</strong>e Granted<br />
Variance<br />
C<strong>at</strong>egory<br />
205 WV Yes Landfill gas<br />
management<br />
requirements<br />
204 WV Yes Landfill gas<br />
management<br />
requirements<br />
204 WV Yes Liner<br />
requirements<br />
205 WV Yes Liner<br />
requirements<br />
204 WV Yes Loc<strong>at</strong>ion<br />
requirements<br />
Variance<br />
Description<br />
Variance to waive the requirement for<br />
management of decomposition gases<br />
gener<strong>at</strong>ed within a landfill.<br />
Variance to waive the requirement for<br />
management of decomposition gases<br />
gener<strong>at</strong>ed within a landfill.<br />
Variance to waive the requirement for<br />
surface impoundments to have double<br />
liners and leach<strong>at</strong>e-collection systems.<br />
Variance to waive the requirement for<br />
surface impoundments to have double<br />
liners and leach<strong>at</strong>e-collection systems.<br />
Variance to waive the prohibition on<br />
loc<strong>at</strong>ing a new SWLF above an<br />
underground mine.<br />
Regul<strong>at</strong>ion<br />
Summary<br />
Concentr<strong>at</strong>ions of methane or other<br />
explosive gases must not exceed 25% of<br />
the lower explosive limit for the gas. Gas<br />
monitoring programs are required, and the<br />
proposed gas monitoring plan must be<br />
included in the landfill applic<strong>at</strong>ion.<br />
Decomposition gases gener<strong>at</strong>ed within a<br />
landfill must be controlled to avoid hazards<br />
to health, safety, or property by meeting<br />
certain requirements regarding control,<br />
monitoring, and reporting the detection of<br />
explosive gases such as methane.<br />
Double liners required. Top = synthetic<br />
> 60 mil; bottom = compacted clay > 2 ft<br />
with permeability < 1 × 10-7 overlain by<br />
synthetic > 60 mil. Leak detection system<br />
required between liners. Existing surface<br />
impoundments must be already compliant,<br />
retrofitted, or closed.<br />
Surface impoundments must have two<br />
liners and a leak detection system.<br />
Impoundments in use without liners and<br />
leak detection systems must close or be<br />
retrofitted.<br />
New SWLFs and l<strong>at</strong>eral expansions cannot<br />
be loc<strong>at</strong>ed above underground mine<br />
workings or within the critical angle of<br />
draw of such workings, unless otherwise<br />
approved by the Secretary in writing.<br />
Regul<strong>at</strong>ion<br />
Cit<strong>at</strong>ion<br />
33 CSR 4.10; 33 CSR 3.10.a.2;<br />
33 CSR 3.10.a.4<br />
33 CSR 4.10<br />
33 CSR 4.8.c.3.B<br />
33 CSR 4.8.c.30B<br />
33 CSR 3.2.k<br />
K-12