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Texas Administrative Code
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Title 30 Environmental Quality
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Part 1 Texas Commission On Environmental Quality
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Chapter 217 Design Criteria for Domestic Wastewater Systems
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Subchapter E Preliminary Treatment Units
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Rule 217.120 General Preliminary Treatment Requirements
Rule 217.121 Coarse Screens
Rule 217.122 Fine Screening Devices
Rule 217.123 Screenings and Debris Handling
Rule 217.124 Grit Removal Systems
Rule 217.125 Grit Chambers
Rule 217.126 Grit Handling
Rule 217.127 Pre-aeration Units
Rule 217.128 Flow Equalization Basins
Rule 217.129 Primary Clarifiers
