BOD (biological oxygen demand)

Measure of the amount of oxygen needed by microorganisms to break down organic matter in water.

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2. Step 1: Anaerobic Digestion Process
3. Septic Tanks vs Lagoons: What's Better? (Guide)
4. Septic Tanks vs Onsite Wastewater Treatment: Clearing Confusion (Guide)
5. Overview
6. Septic Tanks vs Constructed Wetlands: Clearing the Confusion (Guide)
7. Septic Tanks vs Trickling Filters: Understanding Differences (Basics)
8. Septic Tanks vs Package Plants: Clearing the Confusion (Basics)
9. Septic Tanks vs Pressure Distribution Systems: Key Differences (Guide)