What if a LFG system for an active site has been previously approved by the EA and/or CIWMB?
While staff previously encouraged operators of active sites to consider using the closure standards as guidance because they would ultimately be subject to them at closure, previous reviews did not require that operators meet the new standards. Therefore, these existing LFG programs were not approved but accepted as the current LFG monitoring system. If a LFG monitoring system for an active site is in compliance with the current requirements, the operator should follow the procedure set forth in Questions No. 7 and 8 above. If the existing LFG system does not meet the requirements, the operator shall submit a system design that includes the changes required to bring the system into compliance with the new requirements.9a. If a disposal site has been certified closed prior to the effective date of the regulations (September 20, 2007) with an approved LFG Program installed as part of closure, does the LFG Program need to be upgraded to meet the current standards? In the case of a site ce