Assessment of Spatial Variability of Heavy Metals in Metropolitan Zone of Toluca Valley, Mexico, Using the Biomonitoring Technique in Mosses and TXRF Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Enrichment factor </td><td align="center">Enrichment level</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">≤2</td><td align="center">Conservative</td></tr><tr><td align="left">3–5</td><td align="center">Slightly enriched</td></tr><tr><td align="left">6–9</td><td align="center">Moderately enriched</td></tr><tr><td align="left">≥10</td><td align="center">Highly enriched</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Criteria for evaluated moss enrichment factor.

The Scientific World Journal

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Table 2

Table 2: Assessment of Spatial Variability of Heavy Metals in Metropolitan Zone of Toluca Valley, Mexico, Using the Biomonitoring Technique in Mosses and TXRF Analysis 

Table 2 | Assessment of Spatial Variability of Heavy Metals in Metropolitan Zone of Toluca Valley, Mexico, Using the Biomonitoring Technique in Mosses and TXRF Analysis 