Categorical Exclusion Determinations: B3.1

Continuous Regional Methane Emissions Estimates in Northern Pennsylvania Gas Field Using Atmospheric Inversions CX(s) Applied: A9, B3.1 Date: 10/01/2013 Location(s): Pennsylvania Offices(s): National Energy Technology Laboratory

Evaluation of Deep Subsurface Resistivity Imaging for Hydrofracture Monitoring CX(s) Applied: A9, A11, B3.1, B3.6 Date: 10/01/2013 Location(s): North Dakota Offices(s): National Energy Technology Laboratory

Time-lapse Joint Inversion of Geophysical Data and its Application to Geothermal Prospecting CX(s) Applied: A9, B3.1 Date: 09/30/2013 Location(s): Colorado Offices(s): Golden Field Office

Area 1: Systematic Assessment of Wellbore Integrity for Geologic Carbon Storage Projects CX(s) Applied: B3.1 Date: 09/30/2013 Location(s): Ohio Offices(s): National Energy Technology Laboratory

Site Characterization, Monitoring, and General Research Activities for Pantex Plant for FY 2014 CX(s) Applied: B3.1, B3.3, B3.6, B3.8 Date: 09/26/2013 Location(s): Texas Offices(s): Pantex Site Office

Advanced Analytical Methods for Air and Stray Gas Emissions and Produced Brine Characterization CX(s) Applied: A9, B3.1 Date: 09/20/2013 Location(s): Pennsylvania Offices(s): National Energy Technology Laboratory

National Oceanic and Atmospheric Administration Project Sagebrush Atmospheric Tracer Dispersion Study Revision 1 CX(s) Applied: B3.1 Date: 09/13/2013 Location(s): Idaho Offices(s): Idaho Operations Office

Characterizing the Response of the Cascadia Margin Gas Hydrate Reservoir to Climate Change CX(s) Applied: B3.1, B3.11, B3.16 Date: 09/13/2013 Location(s): Washington Offices(s): National Energy Technology Laboratory

Surface and Airborne Monitoring Technology for Detecting Geologic Leakage in Carbon Dioxide EOR Pilot CX(s) Applied: A1, A9, B3.1, B3.6, B3.11 Date: 09/12/2013 Location(s): Oklahoma Offices(s): National Energy Technology Laboratory

Scalable, Automated, Semi Permanent Seismic Method for Detecting Carbon Dioxide Plume Extent During Geological... CX(s) Applied: B3.1 Date: 09/11/2013 Location(s): Montana Offices(s): National Energy Technology Laboratory