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Audrey schulman mas 2017

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Presentation at Massachusetts Sustainable Communities and Campuses Conference on March 17, 2017

Published in: Environment
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Audrey schulman mas 2017

  1. 1. Fix the Worst First Finding High-Volume Natural Gas Leaks from Underground Pipes Audrey Schulman HEETma.org
  2. 2. Old infrastructure
  3. 3. Problems 1.  Potentially explosive HEETma.org
  4. 4. HEETma.org Problems 1.  Potentially explosive 2.  Kill trees
  5. 5. Problems 1.  Potentially explosive 2.  Kill trees 3.  Powerful greenhouse gas Burned = CO2 NOT burned = Methane 86X more damaging HEETma.org
  6. 6. Problems 1.  Potentially explosive 2.  Kill trees 3.  Powerful greenhouse gas 4.  Paid for by the ratepayer HEETma.org
  7. 7. Mapping the leaks HEETma.org
  8. 8. Super-emitters HEETma.org
  9. 9. HEETma.org
  10. 10. Subsurface Gas Reads=>50% HEETma.org
  11. 11. (saturated area)
  12. 12. (saturated area)(saturated area)
  13. 13. Study: 500 pre-surveyed leaks ●  Select leaks for gas read and size of “footprint”
  14. 14. Study: 500 pre-surveyed leaks ●  Select leaks for gas read and size of “footprint” ●  Then measure the emissions HEETma.org
  15. 15. HEETma.org
  16. 16. HEETma.org
  17. 17. HEETma.org
  18. 18. (saturated area)(saturated area) Chamber method underestimates emissions Areas measured
  19. 19. HEETma.org
  20. 20. Learning Method
  21. 21. Learning Method
  22. 22. Learning Method
  23. 23. Learning Method
  24. 24. Modified Purger Inexpensive, fast to use Reliable rugged accepted by utilities Learning mechanism for utilities to teach themselves Columbia Gas, Eversource, National Grid Barr Foundation Funding HEETma.org

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