┌─────────┬─────────┬──────────────┐│Pollution sources │Emission standard │Date of Implementation ││ │value │ ││ │(ng-TEQ/Nm3) │ │├─────────┼─────────┼──────────────┤│Existing pollution│2.0 │January 1, 2007 ││sources ├─────────┼──────────────┤│ │1.0 │January 1, 2008 │├─────────┼─────────┼──────────────┤│Newly-established │0.5 │Date of announcement and ││pollution sources │ │enforcement ││ │ │ │└─────────┴─────────┴──────────────┘