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OAR Policy and Guidance Metarecord

Document Title/Subject:
Source Category Listing for Section 112(d)(2)Rulemaking Pursuant to Section 112(c)(6) Requirements
Related Documents:
1990 Emissions Inventory of Section 112(c)(6) Pollutants

Summary of Comments

Fact Sheet
Signed by: Richard Wilson

Signature Date: April 3, 1998

Contact:
Laurel Driver

Filename(s):
http://www.epa.gov/ttn/oarpg/t3/fr_notices/courc498.pdf
URL(s):

 

Regulatory Authority:
Title 3

Division:
Air Quality Strategies and Standards Division (OAQPS)
Submitted By:
driver.laurel
Document Type:
Revision/Clairification Notices
EPA Document Number:

Federal Register:
63 FR17838 4/10/98
Supersedes:
Subject Category:

AIR
Keywords:
Hazardous air pollutants
HAPs
alkylated lead
polcyclic organic matter (POM)
mexachlorobenzene
mercury
polychlorinated biphenyls
2
3
7
8-tetrachlorodibenzofurans (TCDF)
2
3
7
8-tetrachlorodibenzo-p-dioxin (TCDD)
Terms:
Air pollutants
Abstract:
The Environmental Protection Agency (EPA) is today issuing a list of additional industry groups (known as "source categories") that emit seven specific hazardous air pollutants; namely, alkylated lead compounds, polycyclic organic matter (POM), hexachlorobenzene, mercury, polychlorinated biphenyls, 2,3,7,8-tetrachlorodibenzofurans (TCDF) and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Hazardous air pollutants are also known as air toxics; these are pollutants which are known or suspected to cause cancer or other serious health effects such as birth defects or reproductive effects.

The Clean Air Act Amendments of 1990 required EPA to identify the sources of 90 percent of the emissions of each of these seven specific pollutants. Further, the Act requires EPA to subject these sources to technology-based standards (under section 112(d)(2), known as maximum achievable control technology or MACT) or determine that their emissions do not violate established health thresholds (under section 112(d)(4)).

A review of the available data indicates that a substantial majority of source categories emitting the seven pollutants have already been listed for regulation under another section of the Clean Air Act (section 112(d)(2)) or are subject to comparable regulation under other Clean Air Act authorities. Consequently, EPA is issuing a list of only two additional source categories in response to the requirement to ensure that 90 percent of the emissions of the seven pollutants has been targeted for regulation:

Open Burning of Scrap Tires
Gasoline Distribution Stage I Aviation, includes evaporative losses associated with the distribution and storage of aviation gas containing lead.

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