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<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br />LJ <br /> <br /> <br /> <br />(18) "MIXING ZONE" means that area of a water body designated on a case-by-case basis <br />by the Division which is contiguous to a point source and in which certain standards may <br />not apply. <br />(19) "NUMERIC VALUE" means the measured concentration of a parameter. <br />(20) "PARAMETER "means the chemical constituents or other characteristics of the water <br />such as algae, fecal coliform, total dissolved solids, dissolved oxygen, or the magnitude <br />of radioactivity levels, temperature, pH, and turbidity, or other relevant characteristics. <br />(21) "PERMIT" means a National Pollutant Discharge Elimination System (NPDES) permit or <br />other state water quality permit. <br />(22) "POTENTIALLY DISSOLVED METALS" means that portion of a constituent measured <br />from the filtrate of a water and suspended sediment sample that was first treated with <br />nitric acid to a pH of less than 2.0 and let stand for 8 to 96 hours prior to sample filtration <br />using a 0.4 or 0.45 µm membrane filter. Note the "Potentially Dissolved" method cannot <br />be used where nitric acid will interfere with the analytical procedure used for the <br />constituent measured. <br />(23) "REGIONAL WASTEWATER MANAGEMENT PLAN" means a water quality planning <br />document prepared pursuant to section 208 of the federal Act, sometimes referred to as <br />"208 Plans" or "Water Quality Management Plans." <br />(24) "SALINITY" means total dissolved solids (TDS). <br />(25) "STANDARD" means a narrative and/or numeric restriction established by the <br />Commission applied to state surface waters to protect one or more beneficial uses of <br />such waters. Whenever only numeric or only narrative standards are intended, the <br />wording shall specifically designate which is intended. <br />(26) "STATE WATERS" means any and all surface and subsurface waters which are <br />contained in or flow in or through this state, but does not include waters in sewage <br />systems, waters in treatment works of disposal systems, waters in potable water <br />distribution systems, and all water withdrawn for use until use and treatment have been <br />completed. <br />(27) "TABLES" means tables I, II, and III, appended to this regulation, which set forth <br />accepted levels for various parameters which will generally protect the beneficial uses of <br />state surface waters. <br />(28) "TOTAL RECOVERABLE METALS" means that portion of a water and suspended <br />sediment sample measured by the total recoverable analytical procedure described in <br />"Methods for Chemical Analysis of Water and Wastes," U.S. Environmental Protection <br />Agency, March, 1979, or its equivalent. <br />(29) "TRIBUTARY WETLANDS" means wetlands that are the head waters of surface waters <br />or wetlands within the floodplain that are hydrologically connected to surface waters via <br />either surface or ground water flows. The hydrologic connection may be intermittent or <br />4 <br />1 <br />