Okla. Admin. Code § 252:606-1-2
In addition to terms defined in Title 27A of the Oklahoma Statutes, the following words or terms, when used in this Chapter, have the following meaning unless the context clearly indicates otherwise:
"Accredited laboratory" means a laboratory accredited through the DEQ laboratory accreditation program.
"Beneficial use" means the use of biosolids or wastewater through land application for the purpose of soil conditioning, or crop or vegetative fertilization, or erosion control, or the use of wastewater for dust suppression where fugitive dust control would otherwise be an air quality problem, in a manner which does not pollute or tend to pollute the waters of the State of Oklahoma, the environment or pose a risk to human health.
"Best professional judgment" or "BPJ" means the technical opinion developed by a permit drafter after consideration of all reasonably available and pertinent data or information which forms the basis for the terms and conditions of a discharge permit, and the use of sound engineering analysis of the industry, the nature and quantity of potential pollutants which may be produced and of the proposed treatment plant.
"Biosolids" means primarily organically treated wastewater materials from municipal wastewater treatment plants that are suitable for recycling as amendments. This term is within the meaning of "sludge" referenced in 27A O.S. § 2-6-101(11). Biosolids are divided into the following classes:
"Bypass" means the intentional or unintentional diversion of waste streams from any portion of a treatment, disposal or collection facility.
"Compliance Testing" means any chemical, physical or bacteriological tests conducted in accordance with permit requirements.
"Control tests" means any chemical, physical or bacteriological tests, including visual observations, performed to aid in operational decisions and to control wastewater treatment system performance.
"CFR" means the Code of Federal Regulations.
"CROMERR" means the Cross-Media Electronic Reporting Rule.
"DEQ" means the Oklahoma Department of Environmental Quality.
"Discharge point" means the point at which pollutants, wastewater or stormwater enters waters of the state or become waters of the state.
"DMR" means "Discharge Monitoring Report".
"EPA" means the United States Environmental Protection Agency.
"Generator" or "operator" means authorized person under whose ownership or management authority, biosolids are used or disposed.
"Impoundment" or "Surface impoundment" have the same meaning used in OAC 252:616-1-2.
"Industrial user" means "industrial users subject to categorical pretreatment standards" and "significant industrial users" as those terms are used in 40 CFR, Part 403 .
"Land application" means the application of biosolids onto a land surface; injection below land surface; or spreading biosolids onto land surface followed by incorporation into the soil. Land application does not include the disposal of biosolids in a municipal solid waste landfill permitted by the DEQ, or the use of Class A biosolids whose production is permitted by the DEQ.
"Listed metal" means those metals listed in Tables I, II, and III of 40 CFR, Part 503.13 .
"Loading rate" means the amount (concentration or mass) of constituents or parameters applied to a unit area per application.
"NRCS" means Natural Resources Conservation Service.
"OAC" means Oklahoma Administrative Code.
"OS" means Oklahoma Statutes.
"Oklahoma Water Quality Standards" means the DEQ rules (OAC 252:730) which classify waters of the state, designate beneficial uses for which the various waters of the state must be maintained and protected, and prescribe the water quality required to sustain designated uses.
"Operating records and reports" means the daily record of data connected with the operation of the system compiled in a monthly report on forms approved by the DEQ.
"Prior converted cropland" means those croplands as defined or used in the Federal Swampbuster Provisions located at Title 16, USC, §§ 3821 through 3823.
"USC" means United States Code.
"USGS" means United States Geological Survey.
Okla. Admin. Code § 252:606-1-2