1. Civil Engineering
  2. Environmental Engineering
  3. Lead poisoning occurs when the lead cont...
Q.

Lead poisoning occurs when the lead content in water is

A. 300 - 500 ppm
B. 30 - 50 ppm
C. 10 - 15 ppm
D. 3 - 5 ppm
E. 0.3 - 0.5 ppm
Answer» E. 0.3 - 0.5 ppm
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