Risk Assessment of Groundwater Contamination: A Multilevel Fuzzy Comprehensive Evaluation Approach Based on DRASTIC Model

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Factor</td><td align="center"><i>A </i></td><td align="center"><i>S </i></td><td align="center"><i>I </i></td><td align="center">Order index</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left"><i>A </i></td><td align="center">1</td><td align="center">2</td><td align="center">0</td><td align="center">3</td></tr><tr><td align="left"><i>S </i></td><td align="center">0</td><td align="center">1</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><i>I </i></td><td align="center">2</td><td align="center">2</td><td align="center">1</td><td align="center">5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Pairwise comparison matrix of <svg height="15.25" id="M41" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 19.424999 15.25" width="19.424999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><path d="M751 650l-6 -28q-53 -1 -69 -12.5t-24 -38.5q-23 -85 -43 -192l-13 -69q-34 -181 -130 -262q-79 -65 -185 -65t-171 57q-87 77 -54 258l42 232q12 58 0.5 73t-75.5 19l8 28h263l-6 -28q-63 -5 -78 -18t-26 -74l-41 -226q-25 -135 22 -201t139 -66q99 0 161.5 68t91.5 217
l11 57q28 149 28 193q0 28 -19 38t-79 12l6 28h247z" id="x1D448"></path></g>
<g transform="matrix(.012,-0,0,-.012,13.038,15.187)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg> based on 0–2 scale.

The Scientific World Journal

tab3

Table 3

Table 3: Risk Assessment of Groundwater Contamination: A Multilevel Fuzzy Comprehensive Evaluation Approach Based on DRASTIC Model 