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Pennsylvania Department of Environmental Protection Issues Draft Guidance on the Aggregation of Air Sources

As mentioned earlier, I recently dedicated my monthly column for the The Legal Intelligencer/Pennsylvania Law Weekly to an examination of two Pennsylvania Environmental Hearing Board appeals which address aggregation of air emission sources under the Clean Air Act and the Pennsylvania Air Pollution Control Act.

This week the Pennsylvania Department of Environmental Protection (PADEP) has issued draft technical guidance on this issue. PADEP's draft guidance addresses how to determine when two operations in the oil and gas business constitute a single "source" for purposes of regulation under the federal and state air statutes. Sources that emit more than a threshold amount of a pollutant (typically 250 tons/year for each pollutant) are subject to a somewhat onerous permitting requirement before being constructed or modified (that is, nonattainment new source review or Prevention of Significant Deterioration new source review).

The draft guidance interprets longstanding (but confusing) federal requirements that apply a three part test: two well pads, compressor stations, or processing plants constitute a single "source" if (a) they are in the same industry, (b) they are under common control, and (c) they are "contiguous" or "adjacent." The PADEP guidance focuses (properly) on whether two facilities in the natural gas industry under control of the same or related entities are "contiguous" or "adjacent." PADEP will not generally "daisy chain" facilities along a gathering system, nor will it allow the pipelines to establish contiguity. It will consider surface facilities as a single source if they are within a quarter-mile and more distant facilities as a single source on a case-by-case basis.

©2020 Greenberg Traurig, LLP. All rights reserved. National Law Review, Volume I, Number 288
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About this Author

David G. Mandelbaum, Greenberg Traurig Law Firm, Philadelphia, Environmental Law Litigation Attorney
Shareholder

David G. Mandelbaum represents clients facing problems under the environmental laws and serves as Co-Chair of the firm's Environmental Practice. He regularly represents clients in lawsuits and has also helped clients achieve satisfactory outcomes through regulatory negotiation or private transactions. David teaches Superfund, and Oil and Gas Law in rotation at the Temple Law School. He has taught Environmental Law, Climate Change and Land Use Law and Administration in the past, and he is a regular writer and speaker on the subjects.

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215-988-7813
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