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 | Air Emissions (RCRA) |
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| Batteries |
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| Best Demonstrated Available Technology (BDAT) |
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| Bevill Amendment |
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| Boilers |
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| Burning |
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| Buy Recycled |
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| Characteristic Wastes |
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| Chemicals (RCRA) |
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| Cleanup |
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| Cleanup (RCRA) |
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| Closure (Hazardous Waste) |
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| Combustion |
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| Combustion of Hazardous Waste |
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| Compliance |
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| Composting |
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| Conditionally Exempt Small Quantity Generators (CESQG) |
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| Construction and Demolition Wastes |
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| Containers |
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| Containment Buildings |
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| Corrective Action (RCRA) |
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| Corrosive Wastes |
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| Crude Oil |
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| Delisting Petitions |
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| Disposal |
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| Drip Pads |
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| Educational Materials |
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| Enforcement (RCRA) |
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| EPA Forms |
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| Exclusions (RCRA) |
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| Exports |
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| F-wastes |
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| Financial Assurance (hazardous waste) |
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| Financial Assurance (nonhazardous waste) |
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| Gas |
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| Generators |
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| Grants (hazardous Waste) |
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| Grants (municipal solid waste) |
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| Groundwater Monitoring |
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| Hazardous Waste |
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| Hazardous waste data |
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| Hazardous Waste Identification |
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| Hazardous Waste Recycling |
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| Household Hazardous Waste |
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| Identification of Hazardous Waste |
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| Imports |
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| Incineration |
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| Industrial Furnaces |
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| Industrial Wastes |
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| Jobs Through Recycling Program |
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| K-wastes |
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| Land Disposal Restrictions |
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| Land Disposal Units |
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| Land Treatment Units |
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| Landfills |
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| Large Quantity Generators (LQG) |
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| Legislation (hazardous waste) |
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| Liability (Hazardous Waste) |
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| Listing Hazardous Waste |
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| Manifest |
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| Medical Waste |
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| Mercury Wastes |
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| Military Munitions |
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| Mining Waste |
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| Miscellaneous Units |
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| Mixed Waste (radioactive waste) |
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| Municipal Solid Waste |
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| Native Americans - Tribes |
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| Natural Gas |
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| Nonhazardous Waste |
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| Oil |
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| Oil Filters |
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| P-wastes |
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| PCBs |
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| Permits and Permitting |
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| Petitions |
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| Petroleum Refining Wastes |
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| Post-closure (hazardous waste) |
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| Procurement |
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| Public Participation |
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| Radioactive Mixed Waste |
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| Reactive Wastes |
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| Recycling |
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| Reducing Waste |
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| Siting (waste facilities) |
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| Small Quantity Generators (SQG) |
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| Solid Waste |
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| Solvents |
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| Source Reduction |
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| Special Wastes |
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| State Programs (RCRA) |
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| Storage |
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| Surface Impoundments |
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| Tanks |
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| Test Methods |
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| Toxicity Characteristic |
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| Transporters |
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| Treatment |
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| TSDFs |
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| U-wastes |
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 | Underground Storage Tanks (UST) |
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| 10/01/2004 | REGULATORY STATUS OF ENVIRONMENTAL MEDIA THAT HAS ENTERED A LEAKING UNDERGROUND STORAGE TANK (UST) | Memo | |
| | Description: Environmental media contaminated as a result of migration into a petroleum UST are not eligible for the exclusion in 40 CFR 261.4(b)(10). Contamination of media or debris entering a UST is not due to a petroleum release from a tank system; rather, the contamination results from the petroleum contents within the UST. Therefore, contaminated media or debris inside the UST would not qualify for the exclusion and should be managed as hazardous waste if it exhibits any characteristics of hazardous waste. |
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| 01/01/2004 | CONTAMINATED MEDIA AND DEBRIS FROM RESIDENTIAL HEATING OIL TANKS | Memo | |
| | Description: An UST storing heating oil for consumptive use on the premises where stored is not covered under the exclusion for petroleum-contaminated media and debris in 261.4(b)(10). These tanks are excluded from the definition of an UST in 280.12. Contaminated media and debris from a residential UST are household wastes as described in 261.4(b)(1). |
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| 01/01/1998 | PETROLEUM-CONTAMINATED DEBRIS FROM UST CLOSURE | Question & Answer | |
| | Description: The exclusion for petroleum-contaminated media and debris does not apply to sand that has been introduced into an underground storage tank (UST) for the purposes of closure. The exclusion was intended to cover contaminated environmental media such as soil, groundwater, surface water, and air that have become contaminated as a result of a release from an UST. Sand removed from an UST must be evaluated upon generation to determine if it is a hazardous waste. |
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| 11/27/1996 | APPLICABILITY OF 40 CFR PART 279 TO ON-SPECIFICATION USED OIL | Memo | |
| | Description: On-specification used oil that will be burned for energy recovery is no longer subject to the used oil requirements once the person making the on-specification claim complies with the applicable marketer provisions. Used oil meeting specification that is refined or disposed is subject to the used oil requirements. The regulatory status of the on-specification oil must be reevaluated if some action is taken that may affect the properties of the oil. Blending used oil to meet specification is processing. Used oil storage may be covered under the Spill Prevention Control and Countermeasures (SPCC) regulations and the underground storage tank (UST) requirements. |
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| 11/01/1993 | RECYCLED USED OIL PROCESSING STANDARDS AS THEY APPLY TO ON-SITE RECYCLING OF USED OIL RECOVERED FROM A WASTEWATER TREATMENT SYSTEM | Memo | |
| | Description: Oil/water separation and recycling metal-working oil on-site are not processing if the recovered oil is not burned for energy recovery. Activities that are ancillary to the normal manufacturing process are not considered processing. USTs containing used oil are subject to Parts 279 and 280. |
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| 10/07/1993 | CLARIFICATION OF THE USE OF UNDERGROUND STORAGE TANKS TO CONTAIN HAZARDOUS WASTE SPILLS | Memo | |
| | Description: An underground tank used to contain a spill of hazardous waste solvent is a hazardous waste tank system. An underground tank used to contain a spill of reclaimed solvent not a hazardous waste tank system, but it may be subject to Part 280. |
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| 11/09/1990 | PETROLEUM-CONTAMINATED MEDIA AND DEBRIS DEFERRAL FROM THE TOXICITY CHARACTERISTIC | Memo | |
| | Description: The petroleum contaminated media deferral does not apply to D001-D017. There is no need to run TCLP to determine if wastes are D018 - D043, provided the wastes are generated as part of UST corrective action. |
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| 10/01/1990 | REGULATORY STATUS OF PETROLEUM CONTAMINATED MEDIA AND DEBRIS UNDER THE TOXICITY CHARACTERISTIC UST TEMPORARY DEFERRAL | Question & Answer | |
| | Description: The Section 261.4(b)(10) exclusion applies to media and debris from UST corrective action. The exclusion does not apply to sludge removed from UST during remediation. The exclusion does not apply to media and debris that exhibit the toxicity characteristic for D003-D017. |
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| 11/20/1986 | CONTAMINATED GROUND WATER AND VOLATILES FROM AIR STRIPPING, TREATMENT OF | Memo | |
| | Description: Contaminated groundwater is not a solid waste but must be handled as if it were a hazardous waste if it contains hazardous waste (contained in policy). Units handling such groundwater must be hazardous waste units. Such units may be exempt from permitting under the section 270.72 changes during interim status. Volatile organics released to the air during remediation are not solid wastes, but a release of hazardous constituents is subject to section 3008(h) corrective action authorities. The statute requires both air and groundwater contamination to be addressed. (SEE ALSO: 264/265 Subparts AA, BB, CC). A 1977 spill from a UST is subject to section 9003 corrective action is not subject to section 3008(h). The spraying of treated waste on land is land disposal and is subject to the land disposal restrictions (LDR). |
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| 10/31/1986 | USED OIL TANK CLASSIFICATION | Memo | |
| | Description: Tanks storing used oil are not subject to the hazardous waste tank standards. An underground tank storing used oil must comply with the Part 280 UST standards. |
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| Universal Waste |
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| Used Oil |
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| Variances |
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| Waste Minimization |
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| Waste Piles |
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| Waste Reduction |
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| Wood Preserving Wastes |
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| (Not Categorized) |
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