Learn the Issues
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Combined Sewer Overflows (CSOs)
Overview of combined sewer overflows (CSO), guidance, and policies.
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EPA in Nevada: Topics and Resources
Popular links and resources for Nevada.
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EPA in Hawaii: Topics and Resources
EPA in Hawai'i topics and resources.
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Can a refiner blend oxygenate into purchased conventional gasoline and use the oxygenate to meet its conventional gasoline requirements as long as the oxygenate is not being counted by the producer of the gasoline? Can this blending occur at a refiner owned terminal?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Section 80.101(d)(4) provides that any oxygenate that is added to conventional gasoline, or gasoline blending stock as described in § 80.101(d)(3), may be included in the refiner's compliance calculations, "where such gasoline or gasoline blending stock is produced…
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Desotec US LLC (Formerly Evoqua Water Technologies LLC): Facility Inspection Reports and Enforcement Actions
Enforcement action and facility inspection reports for the Desotec US LLC (Formerly Evoqua Water Technologies LLC) carbon regeneration facility located on the Colorado River Indian Tribes (CRIT) reservation near Parker, Arizona.
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Desotec US LLC (Formerly Evoqua Water Technologies LLC): Air Emissions and Risk Assessment
Information about the RCRA permit for the Desotec US LLC (Formerly Evoqua Water Technologies LLC) carbon regeneration facility located on the Colorado River Indian Tribes (CRIT) reservation near Parker, Arizona.
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Desotec US LLC (Formerly Evoqua Water Technologies LLC): RCRA Permit and Supporting Documents
Documents pertaining to the Final RCRA Permit for the Desotec US LLC (Formerly Evoqua Water Technologies LLC) operates a carbon regeneration carbon regeneration facility located on the Colorado River Indian Tribes (CRIT) reservation near Parker, Arizona.
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Desotec US LLC (Formerly Evoqua Water Technologies LLC): About the Final RCRA Permit
Information about the proposed RCRA permit for the Desotec US LLC (Formerly Evoqua Water Technologies LLC) carbon regeneration facility located on the Colorado River Indian Tribes (CRIT) reservation near Parker, Arizona.
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Town of Chino Valley Municipal Water System Improvement Project Environmental Assessment and Finding of No Significant Impact
EPA Region 9 has prepared an Environmental Assessment (EA) describing the potential environmental impacts associated with, and the alternatives to, the proposed Water System Improvement Project in the town of China Valley, Arizona. This Finding of No Signi
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RCRA-09-2024-0017: Tuba City Dump Administrative Order on Consent
Proposed Administrative Order on Consent in the matter of TUBA CITY DUMP and United States Bureau of Indian Affairs, Department of Interior, on the Villages of Upper Moenkopi & Lower Moenkopi, Docket No. RCRA-09-2024-0017.
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Can refiners aggregate if one of the refineries is partially owned? If so, how? (e.g. co-owned by oil company and some other, unrelated company)
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . No. Two refineries can only be aggregated if they are wholly owned by the same refiner. If a refinery is owned by more than one party, it may not be aggregated with any other refineries. (7/1/94) This question…
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Can a producer aggregate multiple shipments into a single batch up to a threshold quantity as long as the batch is within one calendar month?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. In the context of generating RINs and specifying the BBBBB code, producers and importers have the option to define a batch as being comprised of several discreet shipments within a calendar month, so long as the total…
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Can oxygen and benzene credits be transferred from the RFG area where they are created to another RFG area?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Benzene and renewable oxygenate credits may be transferred from the refiner or importer who creates the credits to any other refiner or importer who would use the credits. Oxygen credits may be transferred from the refiner, importer, or…
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Can exports of high olefins, high benzene, and/or nil oxygen gasolines from the U.S. generate credits for the exporter?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . No. Section 80.67(g)(6) provides that oxygen and benzene credits are generated if the actual total for the oxygen standard is greater than the compliance total, or if the actual total for the benzene standard is less than the…
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Criminal Enforcement's Intergovernmental Partnerships
Provides information on EPA Criminal Enforcement partnerships with state, local agencies, international partners
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Start Saving
One of the simplest ways to save both water and energy is to install water-efficient products. WaterSense labeled products not only save water, but can help reduce your energy bills.
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Can a company ship, sell, or offer for sale conventional gasoline to a retailer or wholesaler operating on an Indian Reservation in an ozone nonattainment area which has been opted-in by the state? Can a company sell conventional gasoline to a wholesaler who supplies a retailer or wholesaler who is operating on an Indian Reservation in an ozone nonattainment area which has been opted-in by the state?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The Clean Air Act (CAA) specifies the areas that must be subject to the reformulated gasoline (RFG) program. These "covered areas" are: (1) the nine major metropolitan areas with the worst (highest) ozone levels; and (2) any area…
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Can an ethanol or biodiesel plant keep a RIN?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . In general, producers of renewable fuel must assign all RINs that they generate to volumes of renewable fuel and transfer those RINs with the renewable fuel to another party. However, there are some exceptions. First, producers of cellulosic…
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Can a company which is both a refiner and importer transfer oxygen and benzene credits from its import operations to its refineries?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes, through a transfer of credits meeting all conditions of § 80.67(h). (7/1/94) This question and answer was posted at