Nevada Administrative Code
Chapter 445A - Water Controls
WATER POLLUTION CONTROL
General Provisions
Section 445A.0865 - "Flow weighted annual average concentration" defined

1. Multiplying, not more than once each day during a 365-day period, the concentration of pollutants present in a sample of water by the rate of flow of the water at the location and time at which the sample is taken;

2. Summing the amounts determined pursuant to subsection 1 during a 365-day period;

3. Dividing the sum determined pursuant to subsection 2 by the total number of days the concentration of pollutants is measured pursuant to subsection 1 during a 365-day period; and

4. Dividing the amount determined pursuant to subsection 3 by the annual mean flow.