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Where can I download hourly emissions data from continuous monitoring?
Hourly emissions data files are available from the Clean Air Markets Division of EPA, collected as part of 40 CFR Part 75. The download location has changed in February, 2023. The new location is https://campd.epa.gov/data/bulk-data-files . Once on this new site, use the menu (at the left) and the Keyword…
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Where can I find older NEI data (prior to 2008)?
The raw data and summaries that are still available (dating back to 1990) can be obtained from the web page https://www.epa.gov/air-emissions-inventories/pollutant-emissions-summary-files-earlier-neis . Starting with 2001 data, a more limited selection of summary files are available.
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How do the different parts of particulate matter (PM) fit together?
The various parts of PM in the NEI are related as follows. PM10-FIL > PM25-FIL because PM10-FIL includes PM25-FIL PM25-PRI = PM25-FIL + PM-CON This equation only applies at the process level. Because some sources only can report PM2.5 (due to test method differences), this equation does not apply to…
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How does PM2.5 relate to PM species such as EC, OC, SO4, NO3, PMFINE, and DIESEL-PM25?
Primary PM2.5 estimates are speciated into the five PM species in the NEI: elemental (black) carbon (EC), organic carbon (OC), nitrate (NO3), sulfate (SO4), and the remainder of PM25-PRI (PMFINE). Diesel engine PM25-PRI and PM10 emissions are also labeled as DIESEL-PM25 and DIESEL-PM10 for mobile source diesel engines. For all…
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All I do is produce corn ethanol and sell it all to X Company, which is an ethanol marketer. Do I have to do anything, or can X Company generate the RINs for me?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Each producer of renewable fuel is responsible for generating the RINs that represent that renewable fuel. This function cannot be delegated or assigned to any other party, including a party to whom a producer sells its product. Question…
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If blenders either opt not to trade or are not allowed to trade, who will be responsible for tracking these RINs through the system?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The blender must submit quarterly RIN transaction reports to EPA that will document all RIN transactions, including RIN purchases, RIN sales, and expired RINs. RINs that are reported purchased and thereafter are not sold will be identifiable through…
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Prior to the RFS rule, industry has used an equation for standardization of ethanol volumes that carries the correction factor out to 5 digits rather than 7 digits as in the formula given in the RFS rule at 80.1126(d)(7)(i). Will use of the equation curre
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Because the difference between the five-digit and seven-digit factors is extremely small, regulated parties may find that it makes no practical difference whether they use the shorter factor for batches of a certain size . If it makes…
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We are considering developing a PTD that lists ethanol and denaturant as separate items being transferred. RINs would be generated for the entire volume of denatured ethanol. If, for example, we transfer 950 gallons of ethanol and 50 gallons of denaturant
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The RINS should not be split between ethanol and denaturant. Section 80.1153(a) of the RFS rule refers to "the volume of renewable fuel that is being transferred" as necessary information for PTDs. Denatured ethanol is the "renewable fuel"…
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If a specific refinery is the producer of renewable diesel, I assume they need a facility ID number, but we can use the RINs for aggregate company compliance.
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. The facility ID number is used to generate the RIN, but the RIN can be separated and used for compliance on a company-wide aggregate basis, subject to any applicable restrictions in the regulations such as regulation Sections…
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A tank of ethanol has become contaminated and must be disposed of. How would we treat this situation for RIN reporting under the RFS program?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The RFS regulation envisions various scenarios under which RINs might be retired. The reporting section in the regulation names a few examples: retirement in satisfaction of enforcement action, spill, and use in a boiler or heater. We recognize…
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What metering system does the plant use to measure gallons? Is it a production meter, a load-out meter, etc.?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . EPA regulations provide flexibility in terms of the specific mechanisms through which producers and importers measure volumes for purposes of generating RINs. However, the approach should ensure that gallons are neither systematically ignored nor systematically double-counted. Also, approaches…
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Who reports expired RINs?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Every party must report RINs owned that have expired as of the end of the fourth quarter of each year. This report is due on February 28 of the following year and will identify RINs that expired in…
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If I am registered for the RFS program, do I have to receive RINs with the renewable fuel I purchase?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Being registered for the RFS program does not mean that a party must receive RINs with the renewable fuel they purchase. Being registered for the RFS program means that a party is eligible under the regulations to receive…
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Will ethanol and biodiesel plants have to track the RIN all the way to the refiner, or just to the next owner of the renewable fuel?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Refer to the response to Question 3.3. Each party that owns assigned or unassigned RINs, including an ethanol or biodiesel production plant, is required only to keep records of and report transfers of ownership of those RINs its…
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If a party buys a batch of ethanol, and through testing determines that the ethanol is synthetic (non-renewable), what happens to the RINs?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . If a volume of renewable fuel for which RINs have been generated is found to not be a valid renewable fuel under the RFS program, then the associated RINs are likewise deemed invalid. See regulation Section 80.1131. If…
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