EPA has released draft
underground injection control (UIC) program permitting guidance for class II
wells that use diesel fuels during hydraulic fracturing activities. EPA
developed the draft guidance to clarify how companies can comply with a law
passed by Congress in 2005, which exempted hydraulic fracturing operations from
the requirement to obtain a UIC permit, except in cases where diesel fuel is
used as a fracturing fluid.
The draft guidance outlines for EPA permit writers, where
EPA is the permitting authority, requirements for diesel fuels used for
hydraulic fracturing wells, technical recommendations for permitting those
wells, and a description of diesel fuels for EPA underground injection control
permitting. The draft guidance describes diesel fuels for these purposes by
reference to six chemical abstract services registry numbers. The agency is
requesting input on this description.
EPA will take public comment on the draft guidance for 60
days upon publication in the Federal Register to allow for stakeholder input
before it is finalized.
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