Introduction
By letter dated April 12, 2010, the New York State Department of Environmental Conservation
(DEC), Division of Mineral Resources, requested additional technical information from the
Independent Oil and Gas Association of New York (IOGA) regarding high volume hydraulic
fracturing (HVHF) as it is addressed by the draft Supplemental Generic Environmental Impact
Statement (dSGEIS). Additional technical questions were received from DEC in
communications dated April 20, 2010, and May 27, 2010. ALL Consulting facilitated this
collaborative effort between IOGA member companies to address DEC’s information requests.
ALL Consulting compiled responses from the participants in the preparation of this report. This
report summarizes DEC’s questions and responses by presenting each question as phrased by
DEC followed by the applicable composite response representing IOGA’s industry perspective.
The table of contents of this report refers to each question in the order presented by DEC.
A complete copy of the Marcellus Shale Coalition study ―Sampling and Analysis of Water
Streams Associated with the Development of Marcellus Shale Gas‖ dated December 31, 2009,
and which is discussed herein, is provided in Attachment A.

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