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Technology Transfer Network - OAR Policy and Guidance

OAR Policy and Guidance Metarecord

Document Title/Subject:
Oil and Gas Proposed MACT Rule and Preamble
Related Documents:
1) Background Information Document (EPA-453/R-94-079a, April 1997) placed on TTN on 9-15-97, file name:gas_bid.zip 2) FACT SHEET placed on TTN on 2/98.
Signed by: Carol M. Browner, EPA Administrator

Signature Date: November 24, 1997

Martha Smith, smith.martha@epamail.epa.gov




Regulatory Authority:
Title 3
Emission Standards Division (OAQPS)
Submitted By:
Document Type:
Proposed & Final Preambles & Rules
EPA Document Number:
Federal Register:
63 FR 6288, 2/6/98
Advance copy of Oil and Gas Proposed MACT Rule and Preamble. Both placed on TTN on 1/30/98
Subject Category:
Hazardous air pollutants
National Emission Standards for Hazardous Air Pollutants
Petroleum industry
Volatile organic compounds
Above ground tanks
Air pollutants
Clean Air Act
Federal government
Industrial processes
This February 6, 1998 Federal Register notice (63 FR 6288-6336) notice contains the proposed rule and preamble for 40 CFR Part 63, National Emission Standards for Hazardous Air Pollutants: Oil and Natural Gas Production and Natural Gas Transmission and Storage.

Action: Proposed rules and notice of public hearing.

SUMMARY: These proposed national emission standards for hazardous air
pollutants (NESHAP) would limit emissions of hazardous air pollutants
(HAP) from oil and natural gas production and natural gas transmission
and storage facilities. These proposed rules would implement section
112 of the Clean Air Act (Act) and are based on the Administrator's
determination that oil and natural gas production and natural gas
transmission and storage facilities emit HAP identified on the EPA's
list of 188 HAP.
The EPA estimates that approximately 65,000 megagrams per year (Mg/
yr) of HAP are emitted from major and area sources in these source
categories. The primary HAP emitted by the facilities covered by these
proposed standards include benzene, toluene, ethyl benzene, mixed
xylenes (collectively referred to as BTEX), and n-hexane. Benzene is
carcinogenic and all can cause toxic effects following exposure. The
EPA estimates that these proposed NESHAPs would reduce HAP emissions in
the oil and natural gas production source category by 57 percent and in
the natural gas transmission storage source category by 36 percent.
Also, the EPA is amending the list of source categories established
under section 112(c) of the Act. Natural gas transmission and storage
is being listed as a category of major sources and oil and natural gas
production is being listed as a category of area sources in addition to
its major source listing.

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