Q.78
What is the acceptable limits for BOD in waste water according to environmental standards?
- Environmental Standards for Textile Effluent Discharge (BOD):
- Regulatory Standard:
- According to the Central Pollution Control Board (CPCB) and Ministry of Environment, Forest and Climate Change (MoEFCC) environmental standards for textile processing wastewater:
- The maximum permissible limit for Biochemical Oxygen Demand (BOD$_5$ at 20°C) in treated wastewater discharged into inland surface waters is 30 mg/L ($30\text{ mg/l}$).
- Chemical Oxygen Demand (COD) is capped at $250\text{ mg/L}$ and Total Suspended Solids (TSS) at $100\text{ mg/L}$.
- Conclusion: 30 mg/L (Option 3).
Correct option: (3) 30 mgiL
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