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CSS Solved Papers
Physics Chemistry

Engineering :: Environmental Engineering

  The maximum permissible level or pesticides, in general, in drinking water is nearly
[A]. 1 to 50 ppm[B]. 50 to 100 ppm
[C]. 100 to 250 ppm[D]. 250 to 500 ppm
[E]. 500 to 1000 ppm    

Answer: Option A
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