113th Congress - Senate Executive Communication No. 351

A communication from the Director of the Regulatory Management Division, Environmental Protection Agency, transmitting, pursuant to law, the report of a rule entitled ``Approval and Promulgation of Air Quality Implementation Plans; Maryland; Amendments to Maryland's Ambient Air Quality Standards (FRL No. 9777-2) received during adjournment of the Senate in the Office of the President of the Senate on February 5, 2013; to the Committee on Environment and Public Works.