## 3 Results
### Health Risk Assessment
#### 3.2.2 Carcinogenic Analysis
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Element**} & \multicolumn{4}{c}{**Heavy Metals Levels (ug/L)**} & \multirow{2}{*}{**Heazard Quotient**} & \multirow{2}{*}{**Cancer Risk**} \\ \cline{2-2} \cline{5-8}  & & & **Max** & & **Mean** & & **Max** & **Mean** & **Min** & **Max** & **Mean** \\ \hline Ba & 0.00 & \(1.68\times 10^{-3}\) & \(3.87\times 10^{-4}\) & 0.00 & \(2.39\times 10^{-2}\) & \(5.52\times 10^{-3}\) & - & - & - \\ Co & 0.00 & \(2.50\times 10^{-5}\) & \(7.95\times 10^{-6}\) & 0.00 & \(1.25\times 10^{-3}\) & \(4.19\times 10^{-4}\) & - & - & - \\ Cu & \(3.80\times 10^{-5}\) & \(1.75\times 10^{-4}\) & \(9.6\times 10^{-5}\) & \(4.25\times 10^{-3}\) & \(4.73\times 10^{-2}\) & \(2.54\times 10^{-2}\) & - & - & - \\ Zn & \(9.60\times 10^{-4}\) & \(4.47\times 10^{-4}\) & \(2.04\times 10^{-4}\) & \(3.20\times 10^{-4}\) & \(1.49\times 10^{-3}\) & \(6.18\times 10^{-4}\) & - & - & - \\ Mn & 0.00 & \(4.17\times 10^{-4}\) & \(3.51\times 10^{-5}\) & 0.00 & \(9.07\times 10^{-3}\) & \(7.62\times 10^{-4}\) & - & - & - \\ Ni & \(3.10\times 10^{-5}\) & \(2.25\times 10^{-4}\) & \(1.06\times 10^{-4}\) & \(1.55\times 10^{-3}\) & \(1.13\times 10^{-2}\) & \(5.12\times 10^{-3}\) & \(2.60\times 10^{-5}\) & \(1.89\times 10^{-4}\) & 8.61 \(\times 10^{-5}\) \\ Li & 0.00 & \(7.28\times 10^{-4}\) & \(1.72\times 10^{-4}\) & 0.00 & \(2.60\times 10^{-2}\) & \(6.13\times 10^{-3}\) & - & - & - \\ Fe & \(6.20\times 10^{-3}\) & \(1.69\times 10^{-1}\) & \(4.93\times 10^{-2}\) & \(8.86\times 10^{-1}\) & \(2.41\times 10^{1}\) & 7.05 & - & - & - \\ Pb & \(1.10\times 10^{-5}\) & \(1.79\times 10^{-4}\) & \(4.36\times 10^{-5}\) & \(3.06\times 10^{-3}\) & \(4.97\times 10^{-2}\) & \(1.21\times 10^{-2}\) & \(9.35\times 10^{-5}\) & \(1.52\times 10^{-3}\) & \(3.63\times 10^{-4}\) \\ Cd & 0.00 & 0.00 & 0.00 & 0.00 & 0.00 & 0.00 & 0.00 & 0.00 & 0.00 \\ Cr & 0.00 & \(1.60\times 10^{-5}\) & \(1.32\times 10^{-6}\) & 0.00 & \(5.33\times 10^{-3}\) & \(4.39\times 10^{-4}\) & 0.00 & \(6.56\times 10^{-4}\) & \(5.39\times 10^{-5}\) \\ Sb & 0.00 & \(1.30\times 10^{-5}\) & \(1.63\times 10^{-6}\) & 0.00 & \(4.33\times 10^{-3}\) & \(5.44\times 10^{-4}\) & - & - & - \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Exposure dose (D), Hazard quotient (fHQ) and Cancer risk (CR) from baby drinking water samples. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**Hazard Quotient**} & \multirow{2}{*}{**Description**} & \multirow{2}{*}{**Hazard Index**} & \multirow{2}{*}{**Description**} & \multirow{2}{*}{**Cancer Risk**} & \multirow{2}{*}{**Description**} & \multirow{2}{*}{**Total Cancer Risk**} \\ \cline{3-4}  & & & & & & & & \\ \hline \multirow{3}{*}{\(\leq\)1} & \multirow{2}{*}{ \begin{tabular}{c}repeat \\ exposure not \\ cause side \\ effects \\ \end{tabular}  } & \(\The levels of CRtotal were between 1.69 \(\times\) 10\({}^{-4}\) and 1.58 \(\times\) 10\({}^{-3}\), and a mean value of 5.03 \(\times\) 10\({}^{-4}\). As can be seen, all the results were in tolerable range. This means that after repeated exposure to tested samples, heavy metals analyzed can't produce carcinogenic side effects in babies and children.