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| Format: | Recurso digital |
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Zenodo
2010
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| Accès en ligne: | https://doi.org/10.5281/zenodo.17729447 |
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- <p><b>Table-4.14. River water quality at Siddhirganj point of Shitalakhya river, Siddhirganj, Narayanganj.</b></p><table><thead><tr><th><b>Sl No.</b></th><th><b>Parameters & unit</b></th><th><b>January 2009</b></th><th><b>Feb 2009</b></th><th><b>March 2009</b></th><th><b>April 2009</b></th><th><b>May 2009</b></th><th><b>June 2009</b></th><th><b>July 2009</b></th><th><b>Aug 2009</b></th><th><b>Sept 2009</b></th><th><b>Oct 2009</b></th><th><b>Nov 2009</b></th><th><b>Dec 2009</b></th></tr></thead><tbody><tr><th>1</th><td>Conductivity µs/cm</td><td>600</td><td>710</td><td>778</td><td>744</td><td>721</td><td>314</td><td>173</td><td>137</td><td>164</td><td>201</td><td>329</td><td></td></tr><tr><th>2</th><td>Temperature 0C</td><td>24</td><td>23</td><td>25</td><td>25</td><td>28</td><td>30</td><td>29</td><td>30</td><td>30</td><td>28</td><td>29</td><td></td></tr><tr><th>3</th><td>Turbidity NTU</td><td>34</td><td>42</td><td>31</td><td>31</td><td>24</td><td>30</td><td>81</td><td>138</td><td>50</td><td>23</td><td>20</td><td></td></tr><tr><th>4</th><td>Phosphate ppm</td><td>0.73</td><td>0.68</td><td>1.03</td><td>1.08</td><td>0.48</td><td>0.47</td><td>0.24</td><td>0.20</td><td>0.19</td><td>0.22</td><td>0.68</td><td></td></tr><tr><th>5</th><td>Silica ppm</td><td>33.5</td><td>35</td><td>23.5</td><td>22.5</td><td>21</td><td>23</td><td>18.5</td><td>4</td><td>7.5</td><td>10.5</td><td>18</td><td></td></tr><tr><th>6</th><td>Iron (Fe) ppm</td><td>1.09</td><td>0.85</td><td>1.2</td><td>1.2</td><td>0.32</td><td>0.17</td><td>0.15</td><td>1.58</td><td>0.69</td><td>0.59</td><td>0.66</td><td></td></tr><tr><th>7</th><td>DO ppm</td><td>2.95</td><td>2.90</td><td>5.10</td><td>4.60</td><td>5.00</td><td>5.90</td><td>5.70</td><td>5.50</td><td>5.60</td><td>5.95</td><td>3.45</td><td></td></tr><tr><th>8</th><td>Residual Chloride ppm</td><td>3.50</td><td>5.00</td><td>0.10</td><td>0.10</td><td>0.05</td><td>0.14</td><td>0.99</td><td>0.90</td><td>1.55</td><td>0.88</td><td>0.095</td><td></td></tr><tr><th>9</th><td>Total Hardness as CaCO3 ppm</td><td>162</td><td>168</td><td>185</td><td>179</td><td>176</td><td>63</td><td>35</td><td>42</td><td>48</td><td>60</td><td>85</td><td></td></tr><tr><th>10</th><td>Ca Hardness as CaCO3 ppm</td><td>99</td><td>100</td><td>108</td><td>100</td><td>93</td><td>37</td><td>20</td><td>28</td><td>28</td><td>36</td><td>52</td><td></td></tr><tr><th>11 12</th><td>Mg Hardness ppm +2 Ca as Ca ppm</td><td>63 39.5</td><td>68 40</td><td>77 43</td><td>79 40</td><td>83 37.5</td><td>26 14.5</td><td>15 8</td><td>14 17</td><td>20 11</td><td>24 14.5</td><td>33 21</td><td></td></tr><tr><th>13</th><td>M-Alkalinity ppm</td><td>201.5</td><td>203</td><td>261</td><td>258</td><td>126</td><td>77.5</td><td>37</td><td>50</td><td>51</td><td>58</td><td>81</td><td></td></tr><tr><th>14</th><td>TDS ppm</td><td>300</td><td>325</td><td>434</td><td>414</td><td>370.5</td><td>172.5</td><td>102</td><td>65</td><td>80</td><td>120.5</td><td>161.5</td><td></td></tr><tr><th>15</th><td>COD oom</td><td>35</td><td>37</td><td>15</td><td>14</td><td>33.5</td><td>15</td><td>11</td><td>27</td><td>7.5</td><td>10.5</td><td>23</td><td></td></tr><tr><th>16</th><td>BOD5 ppm</td><td>-</td><td>-</td><td>16</td><td>17.5</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td></td></tr><tr><th>17</th><td>Oil and Grease ppm</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td><10.0</td><td></td></tr><tr><th>18</th><td>TSS ppm</td><td>33</td><td>42</td><td>28</td><td>27</td><td>32</td><td>31.5</td><td>70</td><td>158</td><td>49.5</td><td>22.5</td><td>20</td><td></td></tr><tr><th>19</th><td>Aluminium (Al) ppm</td><td>0.02</td><td>0.01</td><td>0.03</td><td>0.02</td><td>0.00</td><td>0.02</td><td>0.02</td><td>0.04</td><td>0.04</td><td>0.02</td><td>0.04</td><td></td></tr><tr><th>20</th><td>Copper (Cu) ppm</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.02</td><td>0.02</td><td>0.26</td><td>0.11</td><td>0.04</td><td>0.01</td><td></td></tr><tr><th>21</th><td>Zinc (Zn) ppm</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.00</td><td>0.01</td><td>0.00</td><td>0.00</td><td>0.01</td><td>0.01</td><td>0.00</td><td></td></tr><tr><th>22 23</th><td>Coliform MPN/100ml Chloride (Cl -) mg/L</td><td>0.00 40</td><td>0.00 42</td><td>0.00 55.5</td><td>0.00 56.5</td><td>0.00 80</td><td>0.00 30</td><td>0.00 19</td><td>0.00 26</td><td>0.00 14.5</td><td>0.00 15</td><td>0.00 25</td><td></td></tr><tr><th>24</th><td>pH</td><td>7.42</td><td>7.25</td><td>7.57</td><td>7.56</td><td>7.47</td><td>7.16</td><td>7.16</td><td>7.76</td><td>7.4</td><td>7.5</td><td>7.34</td><td></td></tr></tbody></table><p>Source: Data obtained from IPP</p>