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Non-AttainmentAreas of the country where air pollution levels persistently exceed the national ambient air quality standards may be designated "nonattainment." These nonattainment areas include :
Houston Galveston Brazoria, HGB, market adopted January 1, 2002 which implemented a reduction in emissions from a 1997-1999 baseline. The allowances are freely traded and can be banked. Banked allowances can only used for the year following the allocation year and will expire if they go unused after that period. California contains Mojave, South Coast, RECLAIM, and more. |