| (C) waste materials that result from activities associated with the exploration, development, or production of oil or gas or geothermal resources and other substance or material regulated by the Railroad Commission of Texas under Natural Resources Code, §91.101, unless the waste, substance, or material results from activities associated with gasoline plants, natural gas liquids processing plants, pressure maintenance plants, or repressurizing plants and is hazardous waste as defined by the administrator of the United States Environmental Protection Agency under the federal Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act, as amended (42 United States Code, §§6901 et seq.). (146) Solid waste management unit--A landfill, surface impoundment, waste pile, furnace, incinerator, kiln, injection well, container, drum, salt dome waste containment cavern, land treatment unit, tank, container storage area, or any other structure, vessel, appurtenance, or other improvement on land used to manage solid waste. (147) Source-separated recyclable material--Recyclable material from residential, commercial, municipal, institutional, recreational, industrial, and other community activities, that at the point of generation has been separated, collected, and transported separately from municipal solid waste (MSW), or transported in the same vehicle as MSW, but in separate containers or compartments. Source-separation does not require the recovery or separation of non-recyclable components that are integral to a recyclable product, including: (A) the non-recyclable components of white goods, whole computers, whole automobiles, or other manufactured items for which dismantling and separation of recyclable from non-recyclable components by the generator are impractical, such as insulation or electronic components in white goods; (B) source-separated recyclable material rendered unmarketable by damage during collection, unloading, and sorting, such as broken recyclable glass; and (C) tramp materials, such as: (i) glass from recyclable metal windows; (ii) nails and roofing felt attached to recyclable shingles; (iii) nails and sheetrock attached to recyclable lumber generated through the demolition of buildings; and (iv) pallets and packaging materials. (148) Special waste--Any solid waste or combination of solid wastes that because of its quantity, concentration, physical or chemical characteristics, or biological properties requires special handling and disposal to protect the human health or the environment. If improperly handled, transported, stored, processed, or disposed of or otherwise managed, it may pose a present or potential danger to the human health or the environment. Special wastes are: (A) hazardous waste from conditionally exempt small-quantity generators that may be exempt from full controls under Chapter 335, Subchapter N of this title (relating to Household Materials Which Could Be Classified as Hazardous Wastes); (B) Class 1 industrial nonhazardous waste; (C) untreated medical waste; (D) municipal wastewater treatment plant sludges, other types of domestic sewage treatment plant sludges, and water-supply treatment plant sludges; (E) septic tank pumpings; (F) grease and grit trap wastes; (G) wastes from commercial or industrial wastewater treatment plants; air pollution control facilities; and tanks, drums, or containers used for shipping or storing any material that has been listed as a hazardous constituent in 40 Code of Federal Regulations (CFR) Part 261, Appendix VIII but has not been listed as a commercial chemical product in 40 CFR §261.33(e) or (f); (H) slaughterhouse wastes; (I) dead animals; (J) drugs, contaminated foods, or contaminated beverages, other than those contained in normal household waste; (K) pesticide (insecticide, herbicide, fungicide, or rodenticide) containers; (L) discarded materials containing asbestos; (M) incinerator ash; (N) soil contaminated by petroleum products, crude oils, or chemicals in concentrations of greater than 1,500 milligrams per kilogram total petroleum hydrocarbons; or contaminated by constituents of concern that exceed the concentrations listed in Table 1 of §335.521(a)(1) of this title (relating to Appendices); (O) used oil; (P) waste from oil, gas, and geothermal activities subject to regulation by the Railroad Commission of Texas when those wastes are to be processed, treated, or disposed of at a solid waste management facility authorized under this chapter; (Q) waste generated outside the boundaries of Texas that contains: (i) any industrial waste; (ii) any waste associated with oil, gas, and geothermal exploration, production, or development activities; or (iii) any item listed as a special waste in this paragraph; (R) lead acid storage batteries; and (S) used-oil filters from internal combustion engines. (149) Stabilized sludges--Those sludges processed to significantly reduce pathogens, by processes specified in 40 Code of Federal Regulations Part 257, Appendix II. (150) Storage--The keeping, holding, accumulating, or aggregating of solid waste for a temporary period, at the end of which the solid waste is processed, disposed, or stored elsewhere. (A) Examples of storage facilities are collection points for: (i) only nonputrescible source-separated recyclable material; (ii) consolidation of parking lot or street sweepings or wastes collected and received in sealed plastic bags from such activities as periodic citywide cleanup campaigns and cleanup of rights-of-way or roadside parks; and (iii) accumulation of used or scrap tires prior to transportation to a processing or disposal facility. (B) Storage includes operation of pre-collection or post-collection as follows: (i) pre-collection--that storage by the generator, normally on his premises, prior to initial collection; or (ii) post-collection--that storage by a transporter or processor, at a processing facility, while the waste is awaiting processing or transfer to another storage, disposal, or recovery facility. (151) Storage battery--A secondary battery, so called because the conversion from chemical to electrical energy is reversible and the battery is thus rechargeable. Secondary or storage batteries contain an electrode made of sponge lead and lead dioxide, nickel-iron, nickel-cadmium, silver-zinc, or silver-cadmium. The electrolyte used is sulfuric acid. Other types of storage batteries contain lithium, sodium-liquid sulfur, or chlorine-zinc using titanium electrodes. (152) Structural components--Liners, leachate collection systems, final covers, run-on/run-off systems, and any other component used in the construction and operation of the municipal solid waste landfill that is necessary for protection of human health and the environment. (153) Surface impoundment--A natural topographic depression, man-made excavation, or diked area formed primarily of earthen materials (although it may be lined with man-made materials) that is designed to hold an accumulation of liquids; examples include holding, storage, settling, and aeration pits, ponds, and lagoons. (154) Surface water--Surface water as included in water in the state. (155) Tank--A stationary device, designed to contain an accumulation of solid waste, which is constructed primarily of non-earthen materials (e.g., wood, concrete, steel, plastic) that provide structural support. (156) Tank system--A solid waste storage or processing tank and its associated ancillary equipment and containment system. (157) Transfer station--A facility used for transferring solid waste from collection vehicles to long-haul vehicles (one transportation unit to another transportation unit). It is not a storage facility such as one where individual residents can dispose of their wastes in bulk storage containers that are serviced by collection vehicles. (158) Transportation unit--A truck, trailer, open-top box, enclosed container, rail car, piggy-back trailer, ship, barge, or other transportation vehicle used to contain solid waste being transported from one geographical area to another. (159) Transporter--A person that collects, conveys, or transports solid waste; does not include a person transporting his or her household waste. (160) Trash--Same as Rubbish. (161) Treatment--Same as Processing. (162) Triple rinse--To rinse a container three times using a volume of solvent capable of removing the contents equal to 10% of the volume of the container or liner for each rinse. (163) Uncompacted waste--Any waste that is not a liquid or a sludge, has not been mechanically compacted by a collection vehicle, has not been driven over by heavy equipment prior to collection, or has not been compacted prior to collection by any type of mechanical device other than small, in-house compactor devices owned and/or operated by the generator of the waste. (164) Unified soil classification system--The standardized system devised by the United States Army Corps of Engineers for classifying soil types. (165) Universal waste--Any of the following hazardous wastes that are subject to the universal waste requirements of Chapter 335, Subchapter H, Division 5 of this title (relating to Universal Waste Rule): (A) batteries, as described in 40 Code of Federal Regulations (CFR) §273.2; (B) pesticides, as described in 40 CFR §273.3; (C) thermostats, as described in 40 CFR §273.4; (D) paint and paint-related waste, as described in §335.262(b) of this title (relating to Standards for Management of Paint and Paint-Related Waste); and (E) lamps, as described in 40 CFR §273.5. (166) Unloading areas--Areas designated for unloading, including all working faces, active disposal areas, storage areas, and other processing areas. (167) Unstable area--A location that is susceptible to natural or human-induced events or forces capable of impairing the integrity of some or all of the landfill structural components responsible for preventing releases from a landfill. Unstable areas can include poor foundation conditions, areas susceptible to mass movements, and karst terrains. (168) Uppermost aquifer--The geologic formation nearest the natural ground surface that is an aquifer; includes lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary. (169) Vector--An agent, such as an insect, snake, rodent, bird, or animal capable of mechanically or biologically transferring a pathogen from one organism to another. (170) Washout--The carrying away of solid waste by waters. (171) Waste acceptance hours--Those hours when waste is received from off-site. (172) Waste management unit boundary--A vertical surface located at the perimeter of the unit. This vertical surface extends down into the uppermost aquifer. (173) Waste-separation/intermediate-processing center--A facility, sometimes referred to as a materials recovery facility, to which recyclable materials arrive as source-separated materials, or where recyclable materials are separated from the municipal waste stream and processed for transport off-site for reuse, recycling, or other beneficial use. (174) Waste-separation/recycling facility--A facility, sometimes referred to as a material recovery facility, in which recyclable materials are removed from the waste stream for transport off-site for reuse, recycling, or other beneficial use. (175) Water in the state--Groundwater, percolating or otherwise, lakes, bays, ponds, impounding reservoirs, springs, rivers, streams, creeks, estuaries, marshes, inlets, canals, the Gulf of Mexico inside the territorial limits of the state, and all other bodies of surface water, natural or artificial, inland or coastal, fresh or salt, navigable or non-navigable, and including the beds and banks of all watercourses and bodies of surface water, that are wholly or partially inside or bordering the state or inside the jurisdiction of the state. (176) Water table--The upper surface of the zone of saturation at which water pressure is equal to atmospheric pressure, except where that surface is formed by a confining unit. (177) Waters of the United States--All waters that are currently used, were used in the past, or may be susceptible to use in interstate or foreign commerce, including all waters that are subject to the ebb and flow of the tide, with their tributaries and adjacent wetlands, interstate waters and their tributaries, including interstate wetlands; all other waters such as intrastate lakes, rivers, streams (including intermittent streams), mudflats, sandflats, and wetlands, the use, degradation, or destruction of which would affect or could affect interstate or foreign commerce including any such waters that are or could be used by interstate or foreign travelers for recreational or other purposes; from which fish or shellfish are or could be taken and sold in interstate or foreign commerce; that are used or could be used for industrial purposes by industries in interstate commerce; and all impoundments of waters otherwise considered as navigable waters; including tributaries of and wetlands adjacent to waters identified herein. (178) Wetlands--As defined in Chapter 307 of this title (relating to Texas Surface Water Quality Standards). (179) White goods--Discarded large household appliances such as refrigerators, stoves, washing machines, or dishwashers. (180) Working face--Areas in a landfill where waste has been deposited for disposal but has not been covered. (181) Yard waste--Leaves, grass clippings, yard and garden debris, and brush, including clean woody vegetative material not greater than six inches in diameter, that results from landscaping maintenance and land-clearing operations. The term does not include stumps, roots, or shrubs with intact root balls.