# Supplement of: A quantitative assessment of the behavior of metallic elements in urban soils exposed to industrial dusts near Dunkerque (northern France)

Marine Casetta, Sylvie Philippe, Lucie Courcot, David Dumoulin, Gabriel

Billon, François Baudin

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Marine Casetta, Sylvie Philippe, Lucie Courcot, David Dumoulin, Gabriel Billon, et al.. Supplement of: A quantitative assessment of the behavior of metallic elements in urban soils exposed to industrial dusts near Dunkerque (northern France). Soil, 2025, supplement of 11 (2), pp.467-488. 10.5194/soil-11-467-2025-supplement. [https://hal-sorbonne-universite.fr/hal-05350726v1](https://hal-sorbonne-universite.fr/hal-05350726v1)

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https://hal.sorbonne-universite.fr/hal-05350726v1

Submitted on 6 Nov 2025

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*Supplement of*

# A quantitative assessment of the behavior of metallic elements in urban soils exposed to industrial dusts near Dunkerque (northern France)

Marine Casetta et al.

*Correspondence to:* Marine Casetta (marine.casetta@univ-littoral.fr)

The copyright of individual parts of the supplement might differ from the article licence.
<table><caption>Table S1: Detection limits (DL) and uncertainties in major element measurements according to sample concentration range. “-” means no data.</caption><thead><tr><th rowspan="2">Oxides</th><th colspan="5">Concentration ranges</th><th rowspan="2">DL %</th></tr><tr><th>&gt;10 %</th><th>5-10 %</th><th>1-5 %</th><th>0.5-1 %</th><th>0.1-0.5 %</th></tr></thead><tbody><tr><td>Na<sub>2</sub>O</td><td>-</td><td>&lt;5 %</td><td>&lt;10 %</td><td>&lt;25 %</td><td>-</td><td>0.5</td></tr><tr><td>MgO</td><td>-</td><td>&lt;5 %</td><td>&lt;10 %</td><td>&lt;20 %</td><td>-</td><td>0.7</td></tr><tr><td>Al<sub>2</sub>O<sub>3</sub></td><td>&lt;5 %</td><td>&lt;10 %</td><td>&lt;20 %</td><td>-</td><td>-</td><td>1.9</td></tr><tr><td>SiO<sub>2</sub></td><td>&lt;5 %</td><td>-</td><td>-</td><td>-</td><td>-</td><td>10</td></tr><tr><td>K<sub>2</sub>O</td><td>-</td><td>&lt;5 %</td><td>&lt;10 %</td><td>&lt;15 %</td><td>-</td><td>0.9</td></tr><tr><td>CaO</td><td>&lt;5 %</td><td>&lt;10 %</td><td>&lt;20 %</td><td>-</td><td>-</td><td>2.1</td></tr><tr><td>Fe<sub>2</sub>O<sub>3</sub></td><td>&lt;5 %</td><td>&lt;5 %</td><td>&lt;10 %</td><td>-</td><td>-</td><td>0.1</td></tr></tbody></table>
<table><caption>Table S2: Selected references from JCPDS data base for mineralogical analysis. RIR: Reference Intensity Ratio.</caption><thead><tr><td>Ref. code</td><td>Score</td><td>Compound Name</td><td>RIR</td></tr></thead><tbody><tr><td>01-085-0335</td><td>74</td><td>Quartz</td><td>3.03</td></tr><tr><td>01-081-2027</td><td>66</td><td>Calcite</td><td>3.23</td></tr><tr><td>00-009-0466</td><td>46</td><td>Feldspars</td><td>2.1</td></tr><tr><td>01-070-1868</td><td>35</td><td>Micas</td><td>0.79</td></tr></tbody></table>
<table><caption>Table S3: Detection limit (DL, in ppb) and recovery values of the reference standards (MESS-3 and PACS-2) after ICP-AES/MS total PTE analysis.</caption><thead><tr><th></th><th>Element</th><th>MESS-3</th><th>PACS-2</th><th>DL (ppb)</th></tr></thead><tbody><tr><td>ICP-AES</td><td>Cu</td><td>93 %</td><td>100 %</td><td>5</td></tr><tr><td rowspan="7">ICP-MS</td><td>Cr</td><td>88 %</td><td>91 %</td><td>0.025</td></tr><tr><td>Mn</td><td>82 %</td><td>89 %</td><td>0.025</td></tr><tr><td>Ni</td><td>92 %</td><td>102 %</td><td>0.3</td></tr><tr><td>Zn</td><td>72 %</td><td>93 %</td><td>0.150</td></tr><tr><td>Mo</td><td>99 %</td><td>92 %</td><td>0.005</td></tr><tr><td>Cd</td><td>107 %</td><td>99 %</td><td>0.003</td></tr></tbody></table>
<table><caption>Table S4: Hydrogen Index (HI; mg HC/g TOC) and Oxygen Index (OI<sub>RE6</sub>; mg O<sub>2</sub>/g TOC) characterizing the four soil cores. “-” means no data.</caption><thead><tr><th>Core</th><th>Depth (cm)</th><th>HI (mg HC/g TOC)</th><th>OI<sub>RE6</sub> (mg O<sub>2</sub>/g TOC)</th></tr></thead><tbody><tr><td rowspan="10">1</td><td>0-1</td><td>314</td><td>169</td></tr><tr><td>1-2</td><td>332</td><td>162</td></tr><tr><td>2-3</td><td>335</td><td>159</td></tr><tr><td>3-4</td><td>322</td><td>162</td></tr><tr><td>4-5</td><td>314</td><td>164</td></tr><tr><td>5-6</td><td>313</td><td>165</td></tr><tr><td>7-8</td><td>300</td><td>165</td></tr><tr><td>9-10</td><td>289</td><td>169</td></tr><tr><td>10-11</td><td>-</td><td>-</td></tr><tr><td rowspan="10">2</td><td>0-1</td><td>270</td><td>161</td></tr><tr><td>1-2</td><td>266</td><td>157</td></tr><tr><td>2-3</td><td>234</td><td>154</td></tr><tr><td>3-4</td><td>204</td><td>163</td></tr><tr><td>4-5</td><td>173</td><td>159</td></tr><tr><td>5-6</td><td>172</td><td>164</td></tr><tr><td>7-8</td><td>146</td><td>164</td></tr><tr><td>9-10</td><td>137</td><td>196</td></tr><tr><td>10-11</td><td>-</td><td>-</td></tr><tr><td rowspan="10">3</td><td>0-1</td><td>294</td><td>173</td></tr><tr><td>1-2</td><td>286</td><td>169</td></tr><tr><td>2-3</td><td>262</td><td>175</td></tr><tr><td>3-4</td><td>246</td><td>183</td></tr><tr><td>4-5</td><td>232</td><td>188</td></tr><tr><td>5-6</td><td>219</td><td>190</td></tr><tr><td>7-8</td><td>198</td><td>199</td></tr><tr><td>9-10</td><td>179</td><td>218</td></tr><tr><td>10-11</td><td>-</td><td>-</td></tr><tr><td rowspan="10">4</td><td>0-1</td><td>266</td><td>177</td></tr><tr><td>1-2</td><td>266</td><td>175</td></tr><tr><td>2-3</td><td>254</td><td>178</td></tr><tr><td>3-4</td><td>226</td><td>184</td></tr><tr><td>4-5</td><td>198</td><td>189</td></tr><tr><td>5-6</td><td>179</td><td>196</td></tr><tr><td>7-8</td><td>159</td><td>196</td></tr><tr><td>9-10</td><td>156</td><td>198</td></tr><tr><td>10-11</td><td>-</td><td>-</td></tr></tbody></table>
<table><caption>Table S5: Total (quartz, calcite, feldspars, micas) and clay (smectite, illite, kaolinite, chlorite) mineral composition (%) of the four studied cores. “-“ means no data.</caption><thead><tr><th>Core</th><th>Depth (cm)</th><th>Quartz (%)</th><th>Calcite (%)</th><th>Feldspars (%)</th><th>Micas (%)</th><th>Smectite (%)</th><th>Illite (%)</th><th>Kaolinite (%)</th><th>Chlorite (%)</th></tr></thead><tbody><tr><td rowspan="10">1</td><td>0-1</td><td>86</td><td>4</td><td>3</td><td>7</td><td>7</td><td>56</td><td>22</td><td>15</td></tr><tr><td>1-2</td><td>86</td><td>4</td><td>3</td><td>7</td><td>17</td><td>50</td><td>21</td><td>11</td></tr><tr><td>2-3</td><td>83</td><td>4</td><td>3</td><td>10</td><td>22</td><td>46</td><td>20</td><td>11</td></tr><tr><td>3-4</td><td>84</td><td>5</td><td>3</td><td>8</td><td>22</td><td>45</td><td>31</td><td>3</td></tr><tr><td>4-5</td><td>84</td><td>4</td><td>4</td><td>8</td><td>25</td><td>47</td><td>18</td><td>10</td></tr><tr><td>5-6</td><td>84</td><td>3</td><td>3</td><td>10</td><td>14</td><td>50</td><td>25</td><td>11</td></tr><tr><td>7-8</td><td>79</td><td>5</td><td>4</td><td>12</td><td>29</td><td>43</td><td>19</td><td>8</td></tr><tr><td>9-10</td><td>-</td><td>-</td><td>-</td><td>-</td><td>36</td><td>36</td><td>15</td><td>13</td></tr><tr><td>10-11</td><td>81</td><td>5</td><td>3</td><td>11</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><td rowspan="10">2</td><td>0-1</td><td>77</td><td>8</td><td>4</td><td>11</td><td>23</td><td>50</td><td>18</td><td>9</td></tr><tr><td>1-2</td><td>77</td><td>8</td><td>5</td><td>10</td><td>35</td><td>41</td><td>15</td><td>9</td></tr><tr><td>2-3</td><td>81</td><td>7</td><td>4</td><td>8</td><td>27</td><td>48</td><td>15</td><td>10</td></tr><tr><td>3-4</td><td>77</td><td>8</td><td>4</td><td>11</td><td>35</td><td>42</td><td>15</td><td>8</td></tr><tr><td>4-5</td><td>77</td><td>8</td><td>4</td><td>11</td><td>35</td><td>41</td><td>16</td><td>7</td></tr><tr><td>5-6</td><td>72</td><td>11</td><td>5</td><td>12</td><td>34</td><td>41</td><td>15</td><td>9</td></tr><tr><td>7-8</td><td>74</td><td>8</td><td>4</td><td>14</td><td>32</td><td>44</td><td>16</td><td>9</td></tr><tr><td>9-10</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><td>10-11</td><td>70</td><td>12</td><td>4</td><td>14</td><td>34</td><td>42</td><td>15</td><td>9</td></tr><tr><td rowspan="10">3</td><td>0-1</td><td>56</td><td>19</td><td>4</td><td>21</td><td>43</td><td>32</td><td>17</td><td>9</td></tr><tr><td>1-2</td><td>57</td><td>21</td><td>4</td><td>18</td><td>49</td><td>28</td><td>15</td><td>8</td></tr><tr><td>2-3</td><td>49</td><td>27</td><td>4</td><td>20</td><td>41</td><td>33</td><td>16</td><td>10</td></tr><tr><td>3-4</td><td>52</td><td>24</td><td>4</td><td>20</td><td>55</td><td>25</td><td>14</td><td>6</td></tr><tr><td>4-5</td><td>56</td><td>21</td><td>4</td><td>19</td><td>52</td><td>27</td><td>14</td><td>7</td></tr><tr><td>5-6</td><td>47</td><td>20</td><td>8</td><td>25</td><td>55</td><td>26</td><td>14</td><td>6</td></tr><tr><td>7-8</td><td>65</td><td>16</td><td>3</td><td>16</td><td>53</td><td>27</td><td>13</td><td>8</td></tr><tr><td>9-10</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><td>10-11</td><td>51</td><td>25</td><td>5</td><td>19</td><td>54</td><td>26</td><td>14</td><td>7</td></tr><tr><td rowspan="10">4</td><td>0-1</td><td>70</td><td>12</td><td>5</td><td>13</td><td>39</td><td>36</td><td>14</td><td>11</td></tr><tr><td>1-2</td><td>67</td><td>12</td><td>5</td><td>16</td><td>52</td><td>26</td><td>14</td><td>8</td></tr><tr><td>2-3</td><td>71</td><td>12</td><td>4</td><td>13</td><td>62</td><td>21</td><td>11</td><td>6</td></tr><tr><td>3-4</td><td>74</td><td>10</td><td>4</td><td>12</td><td>65</td><td>19</td><td>10</td><td>6</td></tr><tr><td>4-5</td><td>67</td><td>14</td><td>4</td><td>15</td><td>62</td><td>20</td><td>13</td><td>5</td></tr><tr><td>5-6</td><td>68</td><td>12</td><td>3</td><td>17</td><td>67</td><td>18</td><td>11</td><td>5</td></tr><tr><td>7-8</td><td>66</td><td>11</td><td>4</td><td>19</td><td>63</td><td>20</td><td>11</td><td>7</td></tr><tr><td>9-10</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><td>10-11</td><td>67</td><td>13</td><td>3</td><td>17</td><td>67</td><td>17</td><td>10</td><td>5</td></tr></tbody></table>