This environmental assessment (EA) addresses one proposed Federal action: oil and gas Lease Sale 206 in the proposed lease sale area of the Central Planning Area (CPA) of the Gulf of Mexico (GOM) Outer Continental Shelf (OCS) as scheduled in the Outer Continental Shelf Oil and Gas Leasing Program 2007-2012 (5-Year Program) (USDOI, MMS, 2007b). This EA incorporates by reference all of the relevant material in the Multisale environmental impact statement (EIS) from which it tiers (Gulf of Mexico OCS Oil and Gas Lease Sales: 2007-2012; Western Planning Area Sales 204, 207, 210, 215, and 218; Central Planning Area Sales 205, 206, 208, 213, 216, and 222-Final Environmental Impact Statement; Volumes I and II (Multisale EIS) (USDOI, MMS, 2007a). The EA has been prepared to aid in the determination of whether or not new available information indicates that the proposed lease sale would result in new significant impacts not addressed in the Multisale EIS.