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NEETChemistryEnvironmental Chemistry

What is the prescribed upper limit concentration of lead in drinking water?

Options

  1. A5 ppb
  2. B50 ppb
  3. C500 ppb
  4. D5000 ppb

Correct answer

B. 50 ppb

Step-by-step solution

The prescribed upper limit concentration of lead in drinking water is about 50 parts per billion (ppb).

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