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  1. Effluent - Wikipedia

  2. Effluent Definition & Meaning - Merriam-Webster

  3. Industrial Effluent Guidelines | US EPA

  4. Learn about Effluent Guidelines | US EPA - U.S. Environmental ...

  5. What is Effluent? - Wastewater Digest

  6. Effluent Guidelines | US EPA

  7. Understanding the Basics of Industrial Effluent Treatment

  8. Understanding Effluent Treatment | NuWater Water Treatment

  9. Effluent guidelines - Wikipedia

  10. Wastewater treatment | Process, History, Importance, Systems ...