Approval and Promulgation of Implementation Plans; State of Missouri; Control of Petroleum Liquid Storage, Loading and Transfer

The Environmental Protection Agency (EPA) is taking final action to approve the State Implementation Plan (SIP) revision submitted by the state of Missouri. This revision includes regulatory amendments that remove the requirements of stage II vapor recovery control systems at gasoline dispensing facilities in the St. Louis area, revise certification and testing procedures for stage I vapor recovery systems, prohibit above ground storage tanks at gasoline dispensing facilities, and include general revisions to better clarify the rule. These revisions to Missouri's SIP do not have an adverse effect on air quality as demonstrated in Missouri's technical demonstration document and EPA's technical support demonstration which is a part of this docket.