Learn the Issues
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Questions and Answers: Other Topics
Frequent questions and answers on EtO in Willowbrook, IL
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Questions and Answers: About the Current Monitoring Data
Frequent questions and answers about the current Eto monitoring data
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Questions and Answers: National Air Toxics Assessment (NATA)
frequent questions on NATA for Willowbrook, IL
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Sterigenics Willowbrook Facility - Updates from 2018-2019
Information about ethylene oxide at stergiencis willowbroook facility
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Outdoor Air Monitoring in the Willowbrook Community
EPA will be monitoring outdoor air near the Sterigenics facility in Willowbrook, IL to better understand the levels of ethylene oxide (EtO) in the air.
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How to Obtain a Copy of a Certificate of Conformity for a Heavy-duty or Nonroad Engine
This page provides an answer to a frequently asked question on how to obtain a copy of a Certificate of Conformity.
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What You Can Do to Reduce Pollution from Vehicles and Engines
Follow these tips to reduce pollution from vehicles and engines.
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How does the "active management" requirement in the definition of renewable biomass apply to land that changes status in the future?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. In RFS2, EPA has interpreted the EISA requirement that existing agricultural land be "cleared or cultivated at any time prior to [December 19, 2007] and actively managed or fallow and nonforested" to apply to land that existed as such…
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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 and…
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How will the volume of corn ethanol produced above the grandfathering threshold be treated?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. For grandfathered facilities, only the baseline volumes are exempt from the 20 percent GHG reduction requirement Thus, RINs may be generated for baseline volumes of fuel regardless of lifecycle greenhouse gas emissions performance. Volumes of fuel produced above the…
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Could you please expand upon the definition of the cellulosic biofuel waiver credit that may be for sale? I am not certain when, or if, a paper or pulp company could obtain a waiver credit or benefit from selling a waiver credit?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Cellulosic biofuel waiver credits may only be purchased by obligated parties (e.g., gasoline and diesel fuel refiners and importers) from EPA. See section 80.1456(c).
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Where can I find more information on biofuel subsidies?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. EPA does not issue biofuel subsidies. Please contact the IRS for more information on biofuel subsidies.
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Which fuels require registration?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Under Part 79, manufacturers and importers of gasoline and diesel fuels for use in a motor vehicle or additives for such gasoline or diesel fuel are required to register them with the EPA prior to sale.
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Do grandfathered facilities have an additional 6 months to submit their engineering reviews to EPA?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Yes. In the preamble to the final RFS2 regulations at 75 Fed. Regs. 14709 (March 26, 2010), EPA stated that, in an effort to reduce demand on engineering resources in the interim between promulgation of the rule and July…
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How does a foreign grandfathered renewable fuel production facility processing a mixture of feedstocks with different D codes or no D codes classify its production into D code categories so RINs can be generated when the product is imported into the U.S.?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. If the importer is generating the RINs, the importer must obtain all the required information for registration from the foreign producer of the renewable fuel pursuant to 80.1426(a)(2) and 80.1450. In the case of a foreign producer using multiple…
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Changes over Time
enviroatlas data
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What are the recordkeeping requirements for a renewable fuel producer that uses used cooking oils and fats as feedstocks for renewable fuel?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Renewable fuel producers using used cooking oils or animal wastes as feedstocks are required under 40 CFR 80.1454(d)(3) to obtain from their feedstock supplier, and maintain in their records, documents which certify that the feedstock meets the definition of…
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Are engineering drawings and process and instrumentation diagrams (P&IDs) required to be submitted as part of the engineering report?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Engineering drawings or P&IDs are not required to be submitted in the engineering report, but EPA suggests the third party engineer provide a simple diagram to help supplement the description of the process train for each renewable fuel pathway…
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Is the volume of renewable fuels a fixed number of gallons? How does this affect an obligated party's requirements?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The volume of renewable fuel used as the basis for calculating the percentage renewable fuel standards is fixed by CCA 211(o)(2)(B) for certain years (through 2012 for biomass-based diesel and 2022 for other renewable fuels), with volumes after those…
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What is meant by "grandfathered" fuel?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Under the RFS2 regulations, renewable fuel produced from facilities that commenced construction before December 19, 2007 and which completed construction within 36 months without an 18 month hiatus in construction and thereby exempt from the minimum 20% GHG reduction…