The U.S. Environmental Protection Agency called this week for the federal review of the project’s environmental impact to consider the cumulative effects of other projects.

Source: Proposed pipeline faces new questions as federal comment period closes – Richmond.com: Virginia News And Politics

The scoping period seemed to close  on the 28th, but according to this article The FERC seemed to be saying they would continue to consider comments submitted after that date.

This article also examines the EPA comments  and objections as well as others.