While many enterprises have transitioned to SIP trunking as they adopt Voice over IP (VoIP), many are hesitant to migrate their contact centers away from the Public Switched Telephone Network ...

The US Environmental Protection Agency released its final amendments to state implementation plan (SIP) requirements for states to implement the 2015 National Ambient Air Quality Standard (NAAQS ...

The Environmental Protection Agency (EPA) is proposing to approve elements of a State Implementation Plan (SIP) revision from the State of Missouri for the 2012 Annual Fine Particulate Matter (PM 2.5) ...

The effect of the automatic revision, of course, would be to vacate SIP requirements without review and approval of EPA and without public notice. EPA proposed to disapprove of the SIP revisions ...

Start Preamble. AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The Environmental Protection Agency (EPA) is proposing to approve elements of a State Implementation Plan ...