Spatial Variations and Potential Risks of Heavy Metals in Seawater, Sediments, and Living Organisms in Jiuzhen Bay, China

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Grade</td><td class="align_center">Comprehensive quality index, Pij</td><td class="align_center">Pollution degree</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Grade I</td><td class="align_center">Pij &gt; 3</td><td class="align_center">Heavy pollution</td></tr><tr><td class="align_left">Grade II</td><td class="align_center">2 &lt; Pij ≤ 3</td><td class="align_center">Medium pollution</td></tr><tr><td class="align_left">Grade III</td><td class="align_center">1 &lt; Pij ≤ 2</td><td class="align_center">Light pollution</td></tr><tr><td class="align_left">Grade IV</td><td class="align_center">Pij ≤ 1</td><td class="align_center">No pollution</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Grades for the comprehensive quality index (Pij) evaluation of heavy metals in marine living organisms.</div>

Journal of Chemistry

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Table 2

Table 2: Spatial Variations and Potential Risks of Heavy Metals in Seawater, Sediments, and Living Organisms in Jiuzhen Bay, China 