Question: Three different water samples were analyzed and found to contain the following concentrations of nitrate and nitrite. Convert these concentrations to nitrate-N and nitrite-N basis,

Three different water samples were analyzed and found to contain the following concentrations of nitrate and nitrite. Convert these concentrations to nitrate-N and nitrite-N basis, sum them, and see if the samples exceed the combined nitrate+ nitrite standard of 10 mg/1 as nitrogen.

  1. 10 mg/I of nitrate/30 mg/I of nitrite
  2. 20 mg/I of nitrate/20 mg/I of nitrite
  3. 30 mg/1 of nitrate/10 mg/1 of nitrite

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