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Texas TCEQ Installer II practice
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S c i e n c e E a r t h Science
C
Pathogens Disease causing microorganisms that are passed into water through feces. Microorganism Any living thing too small to see with a naked eye.
Viruses Are from 10 too 100 times smaller than bacteria, can only function and reproduce in living cells. Bacteria Single celled organisms. Bacteria,Microorganism, and Viruses are all different types of pathogens. The weight of wastewater. 8.34 pounds per gallon. Three Main Areas of Wastewater. Physical, Chemical, Bacteriological. TSS Total Suspended Solids TDS Total dissolved solids TSS and TDS added together equal. Total Solids. Formula: TSS+TDS=TR Organic Material Carbohydrates, proteins, fats. Carbs Stabilizes first Proteins Are more difficult to stabilize. Fats Are the most difficult to stabilize. Area Length x Width Area Formula A=πr² Volume Length x Width x Height Volume Formula V=πr² x H(height) Capacity Length x Width x Height x 7. Capacity Formula C=πr²xHx7. Public Water Wells from Tanks 50feet Public Water Wells from soil absorption 150feet systems, unlined et beds Public Water Wells from Lined 150feet Evapotranspiration.
Private Water Lines from Lined 5 feet Evapotranspiration beds
Private Water Lines from Sewer Pipes with 10 feet squared except at connection to structure watertight joints Private Water Lines from Surface application No seperation distances. (Edge of Spray Area) Private Water Lines from Drip Irrigation lines 10 feet Pressure Cemented Wells from tanks 50 feet Pressure Cemented Wells from soil 50 feet absorption systems & unlined ET beds Pressure Cemented Wells from Lined 50 feet evapotranspiration beds Pressure Cemented Wells from sewer pipes 20 feet with watertight joints Pressure Cemented Wells from Surface 50 feet Application (edge of spray area) Pressure Cemented Wells from drip 50 feet irrigation lines Streams,Ponds,Lakes, Rivers, 50 feet Creeks(Measured from normal pool elevation and Water level) from tanks Streams,Ponds,Lakes, Rivers, 75 feet Creeks(Measured from normal pool elevation and Water level) from soil absorption systems & unlined ET beds Streams,Ponds,Lakes, Rivers, 50 feet Creeks(Measured from normal pool elevation and Water level) from lined evapotranspiration beds Streams,Ponds,Lakes, Rivers, 20 feet Creeks(Measured from normal pool elevation and Water level) from sewer pipes with watertight joints Streams,Ponds,Lakes, Rivers, 50 feet Creeks(Measured from normal pool elevation and Water level) from surface application (Edge of spray Area)
Foundations, Buildings, Surface No seperation except property lines(20) and swimming Improvements,Property Lines, Swimming pools(25) Pools and Other structures from surface application(edge of spray area) Foundations, Buildings, Surface No seperation distances except property lines (5) feet Improvements,Property Lines, Swimming Pools and Other structures from drip irrigation Underground Easements from tanks 1 foot Underground Easements from soil 1 foot absorption systems & unlined ET beds Underground Easements from lined 1 foot evaptranspiration beds Underground Easements from sewer pipes 1 foot with watertight joints Underground Easements from surface May spray to edge of easement but not into sprinkler heads application (Edge of spray area) must be 1 foot from easement edge Underground Easements from drip irrigation 1 foot Overhead easements from tanks 1 foot unless permission has been granted then none Overhead easements from soil absorption 1 foot unless permission has been granted then none systems & unlined beds Overhead easements from lined ET beds 1 foot unless permission has been granted Overhead easements from sewer pipes with 1 foot unless permission has been granted watertight joints Overhead easements from surface 1 foot unless permission has been granted application Overhead easements from drip irrigation 1 foot unless permission has been granted Slopes where seeps may occur and 5 feet detention ponds from tanks Slopes where seeps may occur and 25 feet detention ponds from soil absorption systems & unlined ET beds Slopes where seeps may occur and 5 feet detention ponds from lined ET beds
Slopes where seeps may occur and 10 feet detention ponds from sewer pipe with watertight joints Slopes where seeps may occur and 10 feet detention ponds from surface application(Edge of spray area) Slopes where seeps may occur and 10 feet detention ponds from drip irrigation with Ra<0. Slopes where seeps may occur and 25 feet detention ponds from drip irrigation with Ra>0. Edwards Aquifer from tanks 50 feet Edwards Aquifer from soil absorption 150 feet systems & unlined ET beds Edwards Aquifer from lined 50 feet evapotranspiration beds Edwards Aquifer from sewer pipes with 50 feet water tight joints Edwards Aquifer from surface 150 feet application(Edge of spray area) Edwards Aquifer from drip irrigation when 100 feet Ra<0. Edwards Aquifer from drip irrigation when 150 feet Ra>0. Four major components of soil inorganic matter, organic matter, water, and air Class 3 soils classified by structure class 4 soils is considered unsuitable classes 1b and 2 are considered suitable for standard systems based on texture. class 3 soil structure suitable, blocky, columnar or prismatic, granular, unsuitable, massive,platy Maximum inlet pressure for sprinklers 40 pounds per square inch
