House committee substitute makes the following changes to the 1st edition.

Changes the short title.

Adds subject headings to the act's sections.

Amends GS 143-215.94V(e), making a technical correction. Makes a clarifying change to the effective date of Section 1 of the act.

Amends GS 113A-52.01, concerning the Sedimentation Pollution Control Act, adding language that exempts specified wetlands restoration activities undertaken pursuant to Natural Resources Conservation Service standards from the provisions of this Article. 

Amends the "Odor Control of Feed Ingredient Manufacturing Plants Rule" found in 15A NCAC 02D .0539 to provide that raw material will be considered in storage after it has been unloaded or located at a facility for at least 36 hours. Also sets out new regulations concerning timelines for unloading vehicles or containers holding raw material such as feathers with trace amounts of blood and used cooking oil. Requires the Environmental Management Commission to enact the temporary rules until a substantially similar permanent rule can be adopted.

Enacts new GS 143-214.7C, Prohibit the requirement of mitigation for impacts to intermittent streams, providing that unless otherwise required by federal law or state law, the Department of Environment and Natural Resources (DENR) cannot require mitigation for impacts to intermittent streams. Sets out and defines intermittent stream for the purposes of the section, including that such a stream contains water for only part of the year. Requires DENR and the Environmental Management Commission to amend their administrative rules to come into compliance with the above provisions.

Directs the NC Forest Service to study dangers and risks to the state's forests resulting from imported firewood from other states, including such risks as nonnative invasive species. Directs the NC Forest Service to report findings and recommendations to the Environmental Review Commission on or before December 1, 2015. 

Directs the On-Site Water Protection Branch of the Department of Health and Human Services (DHHS) to engage stakeholders representing the private wastewater system industry to develop streamlined and uniform approval processes for new technologies for use in on-site wastewater treatment and dispersal in North Carolina. Provides that amendments to GS 130A-343 should be identified and suggested. Directs DHHS to report its findings and recommended amendments to GS 130A-343 to the Environmental Review Commission and the Joint Legislative Oversight Committee on Health and Human Services on or before February 1, 2016.