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Displaying 1 - 14 of 14 results
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What sources make up the Tier 1 categories used in the emissions trends?
Tier 1 categories are assigned by source classification codes (SCCs) that are the most specific processes available in the NEI. The latest SCC list with the Tier 1 assignments can be downloaded from the EPA SCC website in Comma Separate Values (CSV) format.
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What is the cause of the large decrease in electric utility emissions, particularly sulfur dioxide, starting in 1995?
SO2 emissions reductions from utilities during this time are primarily attributed to the impacts of the acid rain program. As described on EPA’s Acid Rain Program web page, Phase 1 of this program began in 1995 and affected 263 units at 110 most coal-burning electric utility plants in 21 eastern…
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In a situation where an importer leases tankage from another company, e.g., from a for-hire terminal, who must register such import facility, the company that owns the terminal, the importer that leases the tankage, or both?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Under § 80.2(r), an importer is defined as "a person who imports gasoline or gasoline blending stocks or components from a foreign country into the United States...." Accordingly, it is the importer of the gasoline, and not the…
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If my fuel is already registered with the Fuels and Fuel Additives program under 40 CFR Part 79, do I still need to register with the RFS2 program under 40 CFR Part 80?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. Even if your fuel or fuel additive is already registered under 40 CFR Part 79, there are additional registration requirements for parties regulated under the RFS2 program, as specified in 40 CFR 80.1450.
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Once I register my fuel for the RFS2 program under §80.1450, do I still need to register my fuel under 40 CFR Part 79?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. Renewable fuels intended for use or used in motor vehicles are required to be registered under 40 CFR part 79 prior to any introduction into commerce. Manufacturers of renewable fuels and fuel additives not registered under part…
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Does EPA consider it a conflict of interest for a third-party company to assist a group of renewable fuel producers and importers of renewable fuel to help meet the requirements of the re-registration and engineering review pursuant to section 80.1450?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . EPA does not restrict a renewable fuel producer or an importer of renewable fuel from seeking a third-party company to assist them in meeting the re-registration and engineering review requirements pursuant to section 80.1450. The renewable fuel producer…
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Will common carriers be required to register their transport trucks as oxygenate blending facilities?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Normally, only the owner of the gasoline produced at an oxygenate blending operation must register as an oxygenate blender. If a common carrier blends gas in trucks that it owns it must meet all of the requirements for…
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Is the licensed professional engineer conducting the engineering review required to perform the site visit in person, or can they delegate the site visit to another person who maybe assisting them in the engineering review?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Pursuant to §80.1450(b)(2), all verifications must be performed by the licensed professional engineer conducting the engineering review. This requirement includes conducting the site visits. The licensed professional engineer conducting the engineering review must perform the site visits to…
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Products authorized for use on oil discharges
Does EPA maintain a list of products that are authorized for use on oil discharges? If so, how can a manufacturer have their product included on the list? Section 311(d)(2)(G) of the Clean Water Act (CWA) directs EPA to prepare a schedule of dispersants, other chemicals, and oil spill mitigating…
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If an importer registers in a PADD, may the importer use a starting point other than zero, within the range of valid batch numbers, for generating the sequential batch numbers at each of its import facilities?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. As long as no batches are assigned duplicate numbers this would be acceptable.(7/1/94) This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997…
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If an importer is unsure of what terminals might be involved in importing gasoline (RFG or conventional), may importers register more terminals than might be used?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. However, an importer does not need to register each import facility it uses (see previous question).(7/1/94) This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through…
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Why do mobile source NOx emissions jump higher between 2001 and 2002 on the emissions trends?
The emissions model used for mobile sources changed from MOBILE6.2 to MOVES 2010 in December 2009. This change included a notable increase in NOx emissions. The EPA adjusted data back to 2002 to reflect the change in models. The higher emissions in 2002 are because of this method change and…
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Under "Business Activities" on the Company Details CDX web page, what does "Small Blender" mean?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The small blender business activity is in relation to §80.1440: "What are the provisions for blenders who handle and blend less than 125,000 gallons of renewable fuel per year?" The small blender business activity entry is for those…
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Why do the PM2.5 emissions for the electric utilities source category jump up between 1998 and 1999?
The estimation method for PM emissions from fuel combustion sources was enhanced beginning with the 1999 National Emissions Inventory. Prior to 1999, the emissions measurement data methodology only included the filterable portion (which means the solid particle matter at elevated stack temperatures). Beginning with the 1999 NEI, both the filterable…
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