Pennsylvania Water Science Center



Chuck Cravotta


Stray Gas Workshop, Pittsburgh, Pennsylvania

The Stray Gas Workshop was held on November 4-6, 2009.
The presentations from the workshop are available now at the "Presentations" link on the left menu.


This workshop focused on the scientific basis for assessment of, and various types of geochemical analyses for, stray or fugitive gases. Stray gases can originate from a variety of sources and accumulate in natural and man-made spaces where dispersion and ventilation are inadequate. Gas accumulation can lead to problems where the fugitive nature of gases is a major safety concern.

Tools and strategies for investigating stray gases, along with case studies, were presented by scientists and specialists whose work has focused on the origins, migration, and accumulation of gases. The workshop presentations had emphasis on carbon dioxide and methane; the implications for safety, mitigation, and management of subsurface resources also were addressed.

(Program with Abstracts - PDF)

Related Information
Co-sponsors of the workshop:
U.S. Geological Survey
U.S. Geological Survey
U.S. Department of the Interior

Eastern Region Science Office and Pennsylvania Water Science Center
Pittsburgh Geological Society
Pittsburgh Geological Society
Agencies that collaborated with the co-sponsors to plan the technical program:
Office of Surface Mining Reclamation and Enforcement
Office of Surface Mining Reclamation and Enforcement, U.S. Department of the Interior
Pennsylvania Department of Environmental Protection
Pennsylvania Department of Environmental Protection

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