Learn the Issues
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Are adjustments made to parameters for future vs. current test methods?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. If a known bias can be shown, parameters should be adjusted based on the test method used. This will only be considered as part of an alternate test method petition. (7/1/94) This question and answer was posted at
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Are distributors who deliver conventional gasoline to retailers and wholesale purchaser-consumers in non-RFG areas required to fulfill the PTD requirements, including the statement in § 80.106(a)(1)(vii)? Do retailers and wholesale purchaser-consumers in non-RFG areas have to retain records?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The PTD requirements of § 80.106 apply to all distributors of conventional gasoline. However, because the PTD requirements are of little value concerning the delivery of conventional gasoline to a retailer or wholesale purchaser-consumer (or smaller purchaser with a…
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Are independent labs required to submit quality parameter data or the % reduction performance results to EPA?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The regulations require parameter comparisons and not emissions performance reduction comparisons. See § 80.65(f)(3)(iii)(B)(1). (11/10/97) This question and answer was posted at
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Currently, the EPA's GC/MS method for aromatics does not work (poor repeatability precision on successive sample injections.) Should refiners spend $100,000 each for GC/MS instruments before the EPA method development work is complete? What is the likelihood of the EPA later rejecting the GC/MS method altogether?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. When EPA developed the GC/MS method for the determination of aromatics in gasoline, samples that were run side by side after the method was completed showed that the precision of GC/MS was considerably better than D-1319. This study was…
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The custody transfer point of the RBOB between the terminal operator and the exchange company is normally at the loading arm connection to the transport. Since the title to the RBOB is therefore held by the exchange company and not the terminal operator at the moment the RBOB enters the blending facility (the transport truck), is the terminal operator still considered an oxygenate blender in this situation? Our interpretation is that, in the case of automated sequential blending, the terminal would be an oxygenate blender because it "controls and supervises" the blending process. Likewise, it is our interpretation that the terminal operator would not be an oxygenate blender in a splash blending situation since the operator does not have 137 title to the RBOB or ethanol at the time of blending and does not supervise or control the blending process. Is this interpretation correct?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Your interpretation is correct in the first situation. If, in the second situation, the transport truck operator controls the amounts of products to be splash blended in the truck, your interpretation is also correct. (7/1/94) This question and answer…
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In determining E200 and E300, will EPA allow D-86 distillation point averaging of gasoline grade data which is ± 20°F before graphing?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. E200 and E300 values should be calculated separately for each batch of gasoline. If error bars are associated with distillation data for repeat tests on a given batch, the results may be averaged for the purposes of graphing and/or…
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Section 80.106 states (a) "On each occasion when any person transfers custody or title to any conventional gasoline, the transferor shall provide to the transferee documents which include the following information: ...(1) through (7); (8) The requirements of this paragraph (a) apply to product that becomes gasoline upon the addition of oxygenate only." 80.65(d)(1) "All gasoline produced or imported shall be properly designated as either reformulated or conventional gasoline, or as RBOB." It would appear that 80.106 is referring to a conventional gasoline blendstock for oxygenate blending (CBOB?) which heretofore has not been defined or discussed. Are 80.106(a)(1) - (7) intended for all conventional and conventional oxygenated gasolines? If so, 241 the CBOB should be so identified to prevent confusion with regular conventional gasoline. Like RBOB, it should also contain the oxygenate information included in 80.77(i)(2) and (3).
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The regulations require that conventional blendstock which will become conventional gasoline solely upon the addition of oxygenate must be considered conventional gasoline for the purpose of complying with the anti-dumping requirements, including the transfer document provisions of § 80.106(a)…
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The regulations state that gasolines with RVP equal to or less than the RVP required under 40 CFR 80.27 (Summer Gasoline) shall use the applicable Summer Complex Model under 80.45 and the Winter Model for RVP's greater than that required under 40 CFR 80.27. In most areas of the country 9.0 psi was the summer specification under 40 CFR 80.27. Would this mean that any conventional gasoline produced to an RVP less than or equal to 9.0 psi would use the Summer Complex Model and greater than 9.0 psi would use the Winter Complex Model no matter what time of the year that gasoline is produced? Does the fact that under § 80.27 gasoline in the Southern Areas that goes to an ozone non-attainment area must be 7.8 psi alter this split in any way? Is 9.0 psi gasoline produced in California for distribution to Arizona certified with the Summer or Winter Complex Model?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Section 80.101(g)(5) and (6) state that the emissions performance of gasoline with an RVP that is equal to or less than that required under § 80.27 must be determined using the appropriate summer complex model and that the emissions…
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What are the requirements for retailers in the covered areas?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Retailers are subject to certain controls and prohibitions on reformulated gasoline as provided in § 80.78 of the regulations, such as meeting downstream standards, not selling conventional gasoline in RFG areas, selling VOC-controlled gasoline for the proper VOC Control…
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What are the requirements for reporting to EPA in the case of an independent lab that conducts sampling and testing that is unrelated to the independent sampling and testing requirements that apply for refiners or importers, such as quality assurance sampling and testing for a downstream pipeline or terminal?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. There is no requirement that the results of downstream quality assurance sampling and testing must be reported to EPA. This is true both in the case of quality assurance sampling and testing by downstream parties such as pipelines or…
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What are specific calculation steps for conventional gasoline exhaust toxics and NOx emission performance? Is the annual statutory baseline used? If not, how are batches to be assigned to the summer/winter statutory baselines?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The regulations currently state that batches of gasoline are to be designated as summer or winter for purposes of compliance calculations under the Complex Model based on the RVP of the gasoline (§ 80.101(g)(1)(ii)). However, EPA issued guidance in…
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What are the units for RFG credit trading?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The units for oxygen and benzene credit trading are the units required for calculating batch properties under §§ 80.66(d) and (e), i.e., wt%-gallons for oxygen, vol%-gallons for benzene. (4/18/95) This question and answer was posted at
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What are the standards for RFG?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The standards applicable to RFG under each model may be found in § 80.41 of the regulations. (7/1/94) This question and answer was posted at
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Risk Evaluation for Cyclic Aliphatic Bromide Cluster (HBCD)
EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and/or characterization, and risk management for chemicals substances in commercial use.
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Risk Evaluation for 1,2-Dichloroethane
EPA designated 1,2-dichloroethane as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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U.S. Government’s International Methane Mitigation Activities: 2019 Accomplishments
The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2019)
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RadNet Sampling and Analyses Schedules
RadNet air monitors operate continuously and samples of air, precipitation and drinking water and analyzed on a routine schedule. In a radiological emergency, EPA may deploy teams to conduct air monitoring and environmental sampling.
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News and Announcements
Upcoming work, public notices, and other news about EPA's cleanup at the Wyckoff Eagle Harbor Superfund site.
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Lead Designations - North Carolina State Recommendations and EPA Responses
Lead Designations - 2008 Standards. North Carolina State Recommendations and EPA Responses, Round 1 and 2
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SO2 Designations - Round 1 New York State Recommendation and EPA Response
SO2 Designations - State Recommendations and EPA Responses - Round 1 - New York