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Abbreviations & Dei2itions <br /> 313 Three dimensional(typically refers to exceed 15 minutes <br /> to a drawing) min. Minute(s) <br /> amps Amperage mg/L Milligrams per liter <br /> alkalinity Alkalinity is not a specific polluting Mode 1 AdvanTex"Treatment System <br /> substance,but a combination of configuration in which the textile <br /> factors.It is the ability of water to fifter's filtrate returns to the back of <br /> neutralize an acid,and is due primari- the processing tank <br /> ly to the presence of carbonate(see <br /> pH).Alkalinity is also essential for Mode 3 AdvanTex'"Treatment System <br /> nitrification(for each part ammonia configuration in which the textile <br /> nitrified,7.14 parts alkalinity are filter's filtrate returns to the front of <br /> used.)Insufficient alkalinity will result the processing tank <br /> in incomplete nitrification. MOA Manual/On/Off switch in control panel <br /> AX A series of Orenco's AdvanTex" NEC National Electric Code <br /> Treatment Systems.AX stands NH, Ammonia gas <br /> for Aligned Textile(hanging style) NH4 Free ammonia <br /> treatment media. <br /> AWG American Wire Gauge NO, Nitrite <br /> BODE Five-day biochemical oxygen demand NO3 Nitrate <br /> CS Circuit breakers NTU Nephelometric turbidity unit <br /> (see turbidity unit) <br /> cfm Cubic feet per minute O&M Operation and maintenance <br /> CT Counter(a device that counts) <br /> pH pH is a measure of the activity of <br /> r dia. Diameter hydrogen ions.A pH of 7.0 indicates <br /> t diff. Differential neutrality,greater than 7.0 indicates <br /> DO Dissolved oxygen alkalinity,lower than 7.U'Indicates <br /> acidity.Overall pH ranges from 0.0 i <br /> ' EC E.Coli(escherichia coli) to 14.0. <br /> ETM Elapsed time meter <br /> prey. Previous <br /> F Fahrenheit psi Pounds per square inch <br /> FC Fecal coliform bacteria PVC Polyvinyl chloride <br /> ft. Feet recirc Recirculating <br /> H,0 Water RSV Recirculating Spiitter Valve <br /> hp Horsepower RSV20 Recirculating Splitter Valve, <br /> j I&I Infiltration and inflow 2" diameter,with Quick Disconnect <br /> d <br /> intern Intervening RX A series of Orenco's AdvanTex" <br /> JTU Jackson turbidity unit Treatment Systems. RX stands <br /> I (see turbidity unit) for Random Textile(chip style) <br /> gal. Gallon treatment media. <br /> G&O G&O:fats,oils,and grease.Fats and SMOG Sludge Measuring Optical Gauge <br /> oils are the third major component of SMUG Scum Measuring Optical Gauge <br /> foodstuffs.The term"grease"as STEP Septic Tank Effluent Pump <br /> commonly used includes the fats, STEP System Used to refer to an effluent(pressure) <br /> oils,waxes,and other related con- sewer <br /> stituents found in wastewater.Fats TD5 Total dissolved solids <br /> and oils are contributed to domestic <br /> wastewater in butter,lard,margarine, TKN Total Kjeldahl nitrogen(organic and <br /> and vegetable fats and oils.Fats are ammonia nitrogen) <br /> also commonly found in meats,in the TP Total phosphors <br /> germinal area of cereals,in seeds,in TN Total nitrogen(organic and ammonia <br /> nuts,and in certain fruits. Fats are nitrogen, plus nitrite and nitrate <br /> among the more stable of organic nitrogen) <br /> compounds and are not easily <br /> decomposed by bacteria. TSS Total suspended solids <br /> gpd Gallons per day turbidity unit A measure of particulate and color in <br /> gpm Gallons per minute water and wastewater streams <br /> grab sample An individual discrete sample V Volts <br /> collected over a period of time not <br />