Outer Continental Shelf, Gulf of Mexico, Oil and Gas Lease Sales, Western Planning Area Lease Sale 233 and Central Planning Area Lease Sale 231

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Pursuant to the regulations implementing the procedural provisions of NEPA, BOEM is announcing its intent to prepare a Supplemental EIS for proposed Western Planning Area (WPA) Lease Sale 233 and Central Planning Area (CPA) Lease Sale 231 (WPA/CPA Supplemental EIS). The proposed lease sales are in the Gulf of Mexico's WPA off the States of Texas and Louisiana and in the CPA off the States of Louisiana, Mississippi, and Alabama. The WPA/CPA Supplemental EIS will update the environmental and socioeconomic analyses in the Gulf of Mexico OCS Oil and Gas Lease Sales: 2012-2017; WPA Lease Sales 229, 233, 238, 246, and 248; CPA Lease Sales 227, 231, 235, 241, and 247, Final Environmental Impact Statement (OCS EIS/EA BOEM 2012-019) (WPA/ CPA Multisale Final EIS). The WPA/CPA Multisale Final EIS was completed in July 2012. A Supplemental EIS is deemed appropriate to supplement the WPA/CPA Multisale Final EIS for these lease sales in order to consider new circumstances and information arising, among other things, from the Deepwater Horizon event. The WPA/CPA Supplemental EIS analysis will focus on updating the baseline conditions and potential environmental effects of oil and natural gas lea