| Order | Industry type | Industry group short namea | ISIC industry codea | Location | Trace element concentration (mg kg−1) | Reference | City | Country | Pb | Zn | Mn | Ni | Cn | Cr | Fe | Cd | As |
| 1 | Iron smelter | | 241 | Kremikovtzi | Bulgaria | — | — | — | 111 | 61.8 | — | — | 2.10 | — | [15] | 2 | Pb and Zn smelter | | 242 | Zhuzhou | China | 472 | 907 | — | — | 77.0 | — | — | 11.9 | 38.0 | [28] | 3 | Zn Smelter | | 242 | Celje | Slovenia | 865 | 230 | — | 49.0 | 708 | — | — | 289 | 37.0 | [21] | 4 | Smelter | | 241, 242 | Wales | UK | 136 | 183 | — | — | 92.0 | — | — | 4.9 | — | [22] | 5 | Smelter | | 241, 242 | Reppel-Bocholt | Belgium | 899 | 137 | 246 | 94.0 | 801 | — | — | 12.0 | — | [14] | 6 | Smelter | | 241, 242 | Kosovska Mitrovica | Kosovo | 973 | 560 | — | 214 | 56.2 | 418 | — | 7.2 | 87.1 | [16] | 7 | Metal industry | | 241, 242 | Potenza | Italy | 87.7 | 62.8 | — | — | 26.1 | — | — | 1.31 | 18.3 | [18] | 8 | Metal industry | | 241, 242 | Annaba | Algeria | 53.1 | 67.5 | 355 | — | 39.0 | 30.9 | — | 0.44 | — | [12] | 9 | Metal industry | | 241, 242 | Karak ind. Estate (S) | Jordan | 15.7 | 4.9 | — | 3.70 | 1.60 | — | 23.4 | — | — | [29] | 10 | Copper smelter, steel industry | | 241, 242 | Port Kembla | Australia | 20 | 42.0 | — | — | 49.0 | 12.0 | — | — | 3.20 | [33] | 11 | Metal recycling, steel production | | 241, 242 | Murcia | Spain | 18.3 | 21.8 | 229 | 17.7 | 7.40 | 19.4 | — | 0.20 | — | [37] | 12 | Ferrous and non-ferrous metal smelters, iron and steel manufacturing, metal recovery, manganese ore treatment, scrap, metal incineration | | 241, 242 | Thessaloniki | Greece | 24.2 | 68.3 | 443 | — | 26.8 | 98.7 | 37.1 | 0.22 | 36.1 | [17] | 13 | Copper mines | | 072 | Canchaque | Peru | 156 | 235 | 714 | 801 | — | — | — | 183 | 279 | [20] | 14 | Smelters, mining | | 071, 072, 241, 242 | Elbasan | Albania | 80 | 61.0 | — | 447 | 14.0 | 491 | — | 3.00 | — | [11] | 15 | Smelters, mining | | 071, 072, 241, 242 | Rubik | Albania | 135 | 250 | — | 66.0 | 111 | 256 | — | 9.00 | — | [11] | 16 | Smelters, mining | | 071, 072, 241, 242 | Munelle | Albania | 103 | 111 | — | 54.0 | 73.0 | 91.0 | — | 2.00 | — | [11] | 17 | Smelters, mining | | 071, 072, 241, 242 | Tharsis | Spain | 85.0 | 92.0 | 654 | — | 47.0 | — | — | — | 37.0 | [38] |
| 18 | Petrochemical | | 061 | Tarragona | Spain | 29.5 | — | 297 | — | — | 20.4 | — | 0.19 | 4.71 | [25] | 19 | Petrochemical | | 061 | Almowra | Spain | — | — | — | 27.6 | — | — | — | 2.13 | — | [39] | 20 | Petrochemical | | 061 | Tarragona | Spain | 36.3 | — | — | — | — | 13.8 | — | 0.21 | 5.50 | [26] | 21 | Petrochemical | | 061 | Catalonia | Spain | 37.8 | — | — | — | — | 16.5 | — | 0.21 | 6.51 | [40] | 22 | Chemical | | 201 | Tarragona | Spain | 24.5 | — | 248 | — | — | 14.8 | — | 0.17 | 6.87 | [25] | 23 | Chemical | | 201 | Valencia | Spain | 22.2 | — | — | — | — | 17.5 | — | 0.16 | 6.24 | [40] | 24 | Sulphuric acid-producing industry | | 201 | Dhaka | Bangladesh | 1.03 | 126 | 277 | 88.2 | 63.5 | — | — | 0.53 | — | [23] |
| 31 | Textile industries | TE | 131,139 | Dhaka | Bangladesh | 56.4 | 207 | 382 | 51.1 | 164 | — | — | 0.48 | — | [23] | 32 | Textile industries | | 131,39 | Haridwar | India | 191 | — | 668 | — | 109 | 568 | 308 | 83.6 | — | [41] |
| 27 | Tannery industries | | 151 | Dhaka | Bangladesh | 68.1 | 290 | 39.7 | 5.20 | 17.6 | — | — | 1.26 | — | [23] | 28 | Tannery industries | LE | 151 | Haridwar | India | — | — | 097 | — | 0.04 | 744 | 37.7 | 0.04 | — | [41] | 29 | Tannery industries | | 151 | Peshawar | Pakistan | 4.66 | 2.38 | 5.29 | — | — | 29.9 | 18.0 | 0.60 | — | [30] | 30 | Tannery industries | | 151 | Damascus | Syria | 17.0 | 103 | — | 39.0 | 34.0 | 57.0 | — | — | — | [32] | 33 | Cement factory | | 239 | Qadissiya | Jordan | 55.0 | 45.0 | 204 | 39.0 | 2.90 | 22.2 | — | 5.00 | — | [29] | 25 | Ceramic industries | NM | 239 | Dhaka | Bangladesh | 28.6 | 287 | 217 | 50.1 | 38.4 | — | — | 0.33 | — | [23] | 26 | Ceramic industries | | 239 | Castellón | Spain | 229 | — | 345 | 36.5 | 66.0 | 29.7 | — | 72.0 | — | [42] |
| 34 | Battery manufacturing | BA | 272 | Baoji | China | 268 | 169 | — | 39.3 | 62.3 | 100 | — | — | — | [28] |
| 35 | Textile, plastic, furniture, industries | | 131, 201, 310 | Thane-Belapur | India | — | 191 | — | 184 | 105 | 521 | — | — | — | [43] | 36 | Chemicals, dyes, textile, paint industries | | 131, 201, 202 | Rajasthan | India | 293 | — | — | 136 | 298 | 240 | — | — | — | [43] | 37 | Paint, battery, textile, milling and chemical industries | | 131, 201, 272 | Lagos | Nigeria | — | — | — | 24.7 | 106 | — | — | 13.4 | — | [44] | 38 | Ceramic, paper products, petrochemical industries | | 061, 170, 239 | Belgrade | Serbia | 37.7 | 103 | — | 66.6 | 40.0 | — | — | — | — | [31] | 39 | Chemicals, pharmaceutical, batteries | ND | 201, 210, 272 | Hyderabad | India | 65.0 | 313 | — | 45.0 | 193 | 433 | — | 0.70 | 33.0 | [24] | 40 | Chemicals, furniture, printing, leather, textile | | 131, 151, 201, 310 | Kayseri | Turkey | 74.8 | 112 | — | 44.9 | 36.9 | 29.0 | — | 2.53 | — | [27] | 41 | Brewery, steel/metal works, paints, pharmaceuticals, packaging, food processing, textiles and plastic products industries Tannery, textile, fertilizer, | | 110, 131, 139, 201, 241 | Lagos | Nigeria | 143 | 247 | 283 | 17.0 | 25.6 | 26.6 | — | 2.90 | — | [45] | 42 | rerolling and casting, chemicals paints plastics | | 131, 139, 151, 201, 241 | Jajmau, Unnao | India | 38.3 | 159.9 | — | — | 42.9 | 265 | — | — | — | [46] |
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