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LEED Green Associate

Category - Indoors

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CO2 concentrations greater than ________ parts per million (ppm) above outdoor conditions generally indicate inadequate ventilation.

330
530
830
1,030

Explanation

Answer - B - CO2 concentrations greater than 530 parts per million (ppm) above outdoor conditions generally indicate inadequate ventilation. CO2 builds up in a space when there is not enough ventilation.

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