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The New York State Department of Environmental Conservation has added a link to a translation service developed by Microsoft Inc., entitled Bing Translator, as a convenience to visitors to the DEC website who speak languages other than English.

Additional information can be found at DEC's Language Assistance Page.

Nitrogen Training Exercises

Use the practice exercises in the right navigation bar to better learn the following information.

  • Exercise 1 - This exercise involves showing the forms of nitrogen during different treatment stages. Exercise 1 (PDF) (8 KB)
  • Exercise 2 - This exercise involves calculating a minimum required Mean Cell Residence Time (MCRT) for nitrification in an activated sludge treatment plant. Exercise 2 (PDF) (17 KB)
  • Exercise 3 - This exercise involves how to calculate an actual MCRT at an activated sludge treatment facility. Exercise 3 (PDF) (14 KB)
  • Exercise 4 - This exercise involves calculating a nitrogen balance in a nitrifying and denitrifying activated sludge treatment plant. Exercise 4 (PDF) (26 KB)
  • Exercise 5 - This exercise involves troubleshooting a BNR activated sludge treatment facility using given data. Exercise 5 (PDF) (6 KB)

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