Performance Verification Statement for the Real Tech Real Nitrate Analyzer GL Series

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Ref. No. [UMCES] CBL 2017-050
ACT VS17-05
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A cross-plot of all matched observations for the deployment is given in figure 11. A linear
regression of instrument versus reference measurement was highly significant (p<0.0001; r2 =
0.75) with a slope of 0.96 and intercept of 0.38.
Figure 11. Maumee River field response plot for the 32 day deployment of the Real-NO3 compared to
reference NO3 samples. The plotted line represents a 1:1 correspondence, the blue line represents the linear
regression.