Learn the Issues
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When handling samples to be analyzed for oxygen and oxygenate content, section 80.46(g), what are conditions for bringing the samples to room temperature?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . There are no conditions other than to have the sample at room temperature before beginning any volumetric measurement for the analysis. (7/1/94) This question and answer was posted at
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When the independent lab samples a batch of RFG, they are to "determine" blending times, batch volumes, tank numbers, and grade. Which of these determinations must be independently made by the independent lab, and which can be obtained from the refiner or importer?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The independent lab may rely on the refiner's or importer's representations with regard to the date and time the batch became finished RFG, and the grade of gasoline, if this reliance is warranted in the exercise of the…
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What's the difference between generating a RIN and assigning it?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Generating a RIN refers to the process of creating a new RIN to represent a particular type and volume of renewable fuel. See regulation Section 80.1126(d). Assignment occurs when the producer or importer of the renewable fuel transfers…
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Your School Can Help Limit Ocean and Coastal Acidification
Learn how your school can lead and educate your community to help limit ocean and coastal acidification.
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When does the independent sampling and testing requirement begin?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The independent sampling and testing requirements apply to each batch of RFG that is produced or imported, unless an in-line blending waiver has been obtained. As a result, the independent sampling and testing requirements begin for any refiner…
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When a GC-MS is used for analyzing total aromatics, a benzene number will be produced that is different from that produced by method D-3606-92. Which result should be used?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The result from method D-3606-92 must be used. (7/1/94) This question and answer was posted at
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When certifying a batch of gasoline, which property data should be used (analyzer, lab, calculated, etc.)?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . When certifying a batch of gasoline, a sample that is representative of the entire batch must be taken and tested according to the regulatory test methods specified in § 80.46 of the regulations. For information on independent sampling…
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What will constitute a valid electronic signature for electronic submission of reports to EPA?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . EPA will require that each party who wants to report electronically must sign an agreement that the use of electronic reporting methods will be considered equivalent to paper methods and that personal identification numbers assigned by EPA will…
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EPS Service Provider Directory
The Electric Power Systems Partnership Service Provider Directory shares information on service and technology providers that can facilitate SF6 emission reduction activities.
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Protecting and Improving Estuaries with Smart Growth Tools for the Maryland Coastal Bays Program
Maryland Coastal Bays Program using Smart Growth to improve their estuary.
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Equivalency Recommendation Process
Equivalency Recommendation Process
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Risk Evaluation for Phosphoric Acid, Triphenyl Ester (TPP)
EPA designated triphenyl ester (TPP) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Protecting and Improving Estuaries with Smart Growth Tools in the Tampa Bay Estuary Program
Case study of Tampa Bay using Smart Growth for estuary protection and improvement.
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Secondary Drinking Water Standards: Guidance for Nuisance Chemicals
Learn about Secondary Drinking Water Regulations for nuisance chemicals contained in some drinking water. They are established only as guidelines to assist public water systems in managing their drinking water for aesthetic considerations.
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Environmental Stewardship for the Lower Columbia River Estuary Partnership
Success stories of increasing engagement from communities to protect the estuaries.
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The Future of Radiation Protection: Handbook and Companion Poster
"The Future of Radiation Protection: 2025" is a report on challenges the radiation protection community will confront over the generation ahead. The companion poster is also available, "Radiation Protection at EPA: Over the Decades."
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Workplans for the Bronx/Harlem Urban Waters Federal Partnership
Urban Waters Federal Partnership Work Plans for the Bronx/Harlem Urban Waters Federal Partnership
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SPRUWP November 2022 Meeting Notes
Meeting Notes about the South Platte River Urban Waters Partnership
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2022 Northwest Indiana Urban Waters Newsletters
2022 Newsletters for the Northwest Indiana UWFP location
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2023 Northwest Indiana Urban Waters Newsletters
2023 Newsletters for the Northwest Indiana UWFP location