## 5 Uncertainties, Errors and Accuracies
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Constituent (Unit)** & \begin{tabular}{c} **No. of** \\ **Water** \\ \end{tabular} & **Pearson’s r** & **Pearson’s r2** & \(p\) **Value** & **Slope** & **Intercept** \\ \hline  & **Truth Sites** & \begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} & \begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} & \begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} & \begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} & \
\begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} &
\begin{tabular}{c} **vs.** \\ **BGA\_RFU** \\ \end{tabular} \\ \hline Alkaliinity mg as CaCO3 & 44 & 0.736 & 0.542 & \(<\)0.001 & 0.401 & \(-\)22.727 \\ BGA-PC-Cells/mL & 44 & 1.000 & 1.000 & \(<\)0.001 & 0.000 & \(-\)0.245 \\ Chl-\(\mu\)g/L & 44 & 0.807 & 0.651 & \(<\)0.001 & 0.666 & 3.889 \\ Chl-RFU & 44 & 0.800 & 0.640 & \(<\)0.001 & 3.500 & 2.555 \\ DNO2-3 (ugN/L) & 44 & \(-\)0.097 & 0.009 & 0.530 & \(-\)0.058 & 10.833 \\ DOC (mg/L) & 44 & 0.361 & 0.130 & 0.016 & 7.673 & \(-\)41.867 \\ DRP (ugP/L) & 44 & 0.813 & 0.661 & \(<\)0.001 & 0.541 & 4.247 \\ hardness mg as CaCO3 & 44 & 0.540 & 0.292 & \(<\)0.001 & 0.264 & \(-\)17.696 \\ HCO3- (est) (ppm) & 44 & 0.742 & 0.551 & \(<\)0.001 & 0.593 & \(-\)31.110 \\ Microcyst-L6 equivalent & 44 & 0.279 & 0.078 & 0.066 & 1.178 & 4.917 \\ Microcystin-L6 equivalent 2–6–5 ppm & 44 & 0.665 & 0.442 & \(<\)0.001 & 6.105 & \(-\)17.233 \\ ODO-mg/L & 44 & 0.357 & 0.127 & 0.019 & 0.628 & \(-\)0.121 \\ ODO Salt \% & 44 & \(\lambda\)0.309 & 0.095 & 0.044 & 0.041 & 1.571 \\ OM percent (\% OM) & 44 & \(-\)0.522 & 0.272 & \(<\)0.001 & \(-\)0.361 & 41.143 \\ pH & 44 & 0.475 & 0.226 & 0.001 & 8.531 & \(-\)74.903 \\ pH (@AlAlainity measurement) & 44 & 0.180 & 0.032 & 0.249 & 7.193 & \(-\)58.769 \\ PN (ugN/L) & 44 & 0.769 & 0.591 & \(<\)0.001 & 0.021 & \(-\)1.928 \\ POC (mg/L) & 44 & \(-\)0.053 & 0.003 & 0.734 & \(-\)15.03 & 11.308 \\ PP (ugP/L) & 44 & 0.835 & 0.697 & \(<\)0.001 & 0.200 & \(-\)3.672 \\ PRP (ugP/L) & 44 & 0.163 & 0.027 & 0.296 & 0.101 & 9.154 \\ RCea (ug/L) & 44 & 0.323 & 0.104 & 0.035 & 0.143 & 5.158 \\ RPEa (ug/L) & 44 & 0.671 & 0.450 & \(<\)0.001 & 0.214 & 7.615 \\ SpCoCoI-s/cm & 44 & 0.505 & 0.255 & \(<\)0.001 & 0.225 & \(-\)47.140 \\ TDN (ugN/L) & 44 & 0.156 & 0.024 & 0.317 & 0.017 & 0.626 \\ TDP (ugP/L) & 44 & 0.781 & 0.610 & \(<\)0.001 & 0.288 & 5.984 \\ Temp-C & 44 & \(-\)0.497 & 0.247 & \(<\)0.001 & \(-\)3.136 & 101.334 \\ TN (ugN/L) & 44 & 0.810 & 0.656 & \(<\)0.001 & 0.022 & \(-\)15.515 \\ TNMat (ugN/L) & 44 & \(-\)0.093 & 0.009 & 0.554 & \(-\)0.030 & 11.033 \\ TOC (mg/L) & 44 & 0.428 & 0.183 & 0.004 & 12.258 & \(-\)79.471 \\ TP (ugP/L) & 44 & 0.851 & 0.724 & \(<\)0.001 & 0.129 & \(-\)0.672 \\ TRP (ugP/L) & 44 & 0.667 & 0.445 & \(<\)0.001 & 0.301 & 2.952 \\ TSS (mg/L) & 44 & 0.888 & 0.789 & \(<\)0.001 & 1.545 & \(-\)5.619 \\ Turbidity-NTU & 44 & 0.923 & 0.852 & \(<\)0.001 & 1.319 & \(-\)8.609 \\ VSS (mg/L) & 44 & 0.816 & 0.666 & \(<\)0.001 & 2.025 & \(-\)7.280 \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Correlation of Water Quality Parameters Investigated with BGA_PC_RFU as measured by [PERSON]’s r test.