The following figures are necessary for the proper location, planning, construction, and installation of an on-site sewage facility (OSSF).
  (1) Figure 1. Maximum Application Rates for Surface Application of Treated Effluent in Texas.
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  (2) Figure 2. Model Affidavit to the Public.
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  (3) Figure 3. Sample Testing and Reporting Record.
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  (4) Figure 4. Typical Drainfields - Sectional View.
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  (5) Figure 5. Typical Drainfields.
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  (6) Figure 6. Two Compartment Septic Tank.
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  (7) Figure 7. Two Septic Tanks in Series.
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  (8) Figure 8. Intermittent Sand Filters.
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  (9) Figure 9. Intermittent Sand Filter Underdrain and Pumpwell.
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Source Note: The provisions of this §285.90 adopted to be effective February 5, 1997, 22 TexReg 1114; amended to be effective June 13, 2001, 26 TexReg 4115; amended to be effective August 3, 2006, 31 TexReg 6013; amended to be effective September 11, 2008, 33 TexReg 7536; amended to be effective December 27, 2012, 37 TexReg 9947