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Collaborative Study on 1-Hour NO2 Impacts from Drill Rigs

This collaborative effort between BLM, EPA, states, and the Oil and Gas Industry aims to predict 1-hour NO2 impacts from drill rigs through monitoring, measuring emissions, and modeling data. The study objectives include gathering better emissions and impact data to inform oil and gas production NEPA analyses and developing a more accurate methodology for drill rig emission impacts. The study benefits include improved NEPA analysis, evaluation of drill rig impacts, and data for evaluating performance methods for determining 1-hour NO2 impacts. The next steps involve workplan development, field study design, data collection, analysis, model evaluation, and reporting.

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Collaborative Study on 1-Hour NO2 Impacts from Drill Rigs

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  1. COLLABORATIVE DRILL RIG 1-HOUR NO2 IMPACTS STUDY April 2014

  2. STUDY CONCEPTS • Collaborative effort between BLM, EPA, States, other FLMs and the Oil and Gas Industry to better predict 1-hour NO2 impacts from drill rigs through a field study: • Monitoring • NO2 concentrations at multiple locations near operating drill rigs • Meteorological conditions (i.e. – met stations) • Measuring • Drill rig emissions (i.e. – stack testing) • Modeling • Model using data from monitoring and measurements

  3. STUDY OBJECTIVES • Data Gathering • Better emissions and impact data to inform oil and gas production NEPA analyses • Oil & Gas Drill Rig Impact data • Monitored and modeled impacts • 1-hour NO2 Modeling • Develop more accurate methodology for drill rig emission impacts

  4. STUDY BENEFITS Collection of ambient and emissions rate data to inform model performance evaluation Improves NEPA analysis by providing scientific basis and accurate public disclosure of drill rig impacts Provides data for evaluation of performance of the OLM and PVMRM methods to determine 1-hour NO2 impacts Collaborative approach allows for input and funding from federal agencies, states and industry, all who need better information about NO2 impacts

  5. NEXT STEPS • Workplan development • Convene EPA, FLMs, industry and states to discuss concept and collaboration—March-April 2014 • Field study design development—March -May 2014 • Field data collection—May-September 2014 • Data analysis, model evaluation, reporting—September 2014-February 2015

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