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Completing the Industrial Wastewater Permit Application - TCEQ e ...

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Daily Average Flow - The arithmetic average of all determinations of <strong>the</strong> daily dischargewithin a period of one calendar month. The daily average flow determination shall consist ofdeterminations made on at least four separate days. If instantaneous measurements are used todetermine <strong>the</strong> daily discharge, <strong>the</strong> determination shall <strong>the</strong> average of all instantaneousmeasurements taken during a 24-hour period or during <strong>the</strong> period of daily discharge if less than24 hours. Daily average flow determination for intermittent discharges shall consist of aminimum of three flow determinations on days of discharge.Design Flow - The wet-wea<strong>the</strong>r maximum 30-day average flow of wastewater.Disinfection - A chemical or physical process that kills pathogenic organisms in water.Discharge Monitoring Report (DMR) - The EPA uniform national form, including anysubsequent additions, revisions, or modifications for <strong>the</strong> reporting of self-monitoring results bypermittees. <strong>Permit</strong>tees with TPDES permits are required to submit this form. Monitoring resultsmust be reported on an approved TPDES self-report form, DMR Form EPA No. 3320-1, signed,and certified.Disposal - The disposal, deposit, injection, dumping, spilling, leaking, or placing of any solid,liquid, or hazardous waste into or on any land or water so that such waste or any constituent<strong>the</strong>reof may enter <strong>the</strong> environment or be emitted into <strong>the</strong> air or discharged into any waters,including groundwater.Dissolved Oxygen (DO) - <strong>the</strong> concentration of oxygen dissolved in wastewater or surfacewater.Domestic Sewage - Waste and wastewater from humans or household operations that isdischarged to a wastewater collection system or o<strong>the</strong>rwise enters a treatment works.Dry Weight Basis - Calculated on <strong>the</strong> basis of having been dried at 105 degrees Celsius untilreaching a constant mass (i.e., essentially 100% solids content).EEffluent - <strong>Wastewater</strong>, treated or untreated, that flows out of a treatment plant.Effluent Limitations - Restrictions established by <strong>the</strong> <strong>TCEQ</strong> or <strong>the</strong> EPA on quantities, rates,and concentrations in wastewater discharges.Executive Director (ED) - The Executive Director of <strong>the</strong> Texas Commission onEnvironmental Quality or his/her designee.Existing Facility - Any facility used for <strong>the</strong> storage, processing, or disposal of domesticwastewater and which has obtained approval of construction plans and specifications as ofMarch 1, 1990.F-GFacility - All contiguous land and fixtures, structures, or appurtenances used for storing,processing, or disposing of waste. (See also <strong>the</strong> definition relating to sewage sludge.)Fixture of <strong>the</strong> Land - An item that has become so annexed to <strong>the</strong> realty that it is regarded aspart of <strong>the</strong> land (i.e., ponds, lagoons).10411_10055-inst (7/14/2014) Instructions for <strong>Completing</strong> <strong>the</strong> <strong>Industrial</strong> <strong>Wastewater</strong> <strong>Application</strong> Page 6 of 124

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