Approval and Promulgation of Implementation Plans; Texas; Repeal of Board Seal Rule and Revisions to Particulate Matter Regulations

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The EPA is proposing to take direct final action approving revisions to the Texas Natural Resource Conservation Commission (TNRCC) regulations in the Texas State Implementation Plan (SIP). These revisions remove the Texas Air Control Board (TACB) Seal rule from the Texas SIP and revise and recodify regulations for control of particulate matter in the Texas SIP. Removal of the Board Seal rule eliminates a rule that no longer applies to TNRCC. These revisions to the particulate matter regulations update the SIP-approved regulations and make the SIP citations consistent with the current State citations. In the ``Rules and Regulations'' section of this Federal Register, EPA is approving the State's SIP revision as a direct final rule without prior proposal because the EPA views this as a noncontroversial revision and anticipates no adverse comment. The EPA has explained its reasons for this approval in the preamble to the direct final rule. If EPA receives no relevant adverse comment, EPA will not take further action on this rule. If EPA receives relevant adverse comment, EPA will withdraw the direct final rule and it will not take effect. The EPA will address all public comments in a