DO Saturation

Stream data
DO = 7.6 mg/L
Temp. = 13º C
The example below shows how % saturation can be determined using a monogram.  Draw a straight line from your temperature to your DO result.  The DO % saturation is the intersection with the percent saturation line.

 

Another way to determine % saturation is to calculate your results. 7.6 ÷ 10.6 (solubility at 13º C) = 0.717
0.717 × 100 = 71.7%
 

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