CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9133f28ee99091cc',cH: 'c4frO4r_f1rff4YLYwkdM.kFwnx2LYJKNkZw61WHgn8-1739776120-1.2.1.1-ugLwIFI7dcrolzoCdj._3tu1MWj3e2B8wHe65RC3PMqBpck201zMNy6AfAtoePK9',cUPMDTk: "\/search?q=soil%20contamination&__cf_chl_tk=C_TmK8HpDq8ecKwZrAvMnSXR9N_wrZe.rpKBArdB698-1739776120-1.0.1.1-O4bPy0ypK2zqvKKpytBE.gkF_k8J2z0LhP_RWf8i.Go",cFPWv: 'b',cITimeS: '1739776120',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=soil%20contamination&__cf_chl_f_tk=C_TmK8HpDq8ecKwZrAvMnSXR9N_wrZe.rpKBArdB698-1739776120-1.0.1.1-O4bPy0ypK2zqvKKpytBE.gkF_k8J2z0LhP_RWf8i.Go",md: "kosU2aN9DS24dfhgfKhF.st6S4z6vBmxLCr.pz2Kzg8-1739776120-1.2.1.1-LFMG.cj8YY_Ak31JrmU.iAAkyqt2gTCSt3o.6tXAg2Yxdqge86WZmInW5w_uD8sENnth0xPRCHvniRLk5vCltx0HBX68vSeD5SeFiD53cCkQGWLd2Dvwi3_FjisvTd_sNZF2n3roFO5HSparrqdTZbbiGijV9_snw8VESzaeHLkyN4GQSoQUjifxrV464trP78oMLA_wuuE.zp7Zxqvz7yR2dIcxVvuOcJMbq4iSTT8aBu6oQGNIzJEychxQ4y4kFQFiWiPx.h6ETvoJOkrs8loQvDPei863gR9shKUlM6ho750mNw_9Bh3oxAsTOliG5uWI8Z5YVh5U1uUv_4JetDH5Y1RseYt5eD1028125d7nbwCjr1UezP9fMbh8XejBCMWwMXuh6dbmwz8C0J7SrThEAYitQAwsHFy1y6tzO.f2FtB_L11N77ugP7wZVH7nEuhWf_ZsiRCLET3k.VzSGZgyJ0RM.zegzE5S3K6WU7UBvqjztO8HTFrdlnSZOAe2W_BUe6lSlJADCjpewXaXpucLV8tGEUID2lgIZnYjM8aJhBRgE2H38HLucAhJoBB6vgQGOC71gi6JMUvIq3nSINlQ0BURxVIOtpeMe.jQKE_hrm6Dk.pbIEeKD9lOVk9JijFGfME0ULUF336kjPAFaMxkDIO5R.ZSmXwgqUFxF0qD3ZjBmeKQRuSHQdR9.hOfRgoo2.ZLzXW4OqlqW_.W9HpCSeu6jVMMQUZvbfCc6hY571g5RqSlW4qDmpkNeO57ReEgdBEWVGSFieB_U3PnWJ2p1V3pJGTTmufK8X1JR0l0v.1L0JQpAUZYG5XUHYIq9D6dk4dHRXVG2H2R7qHhXpet5mUsw6NvACbyTefOVsodOF7y89hTqaTzovIVxBk_sf1oApXv4qIadewcTtCDqVLdXWGD2FMCq326HoVLGIKo8VL5nhU044HVBtw95cZMgsXkWLZ18ajWXfLWC.1o69zgNjnBGR_Zj1Ou2Y3H5_uACCe2duLdjkqF_svwbI0CnYR9jHE4U7Vo._kk.2BdPm9HsXBqD0kAEi8ybchWKqpy4IkH8EnEE.GddhM_9KS36HoqtVpvYUpoZNRBpioaJBcnfnBWr918BMW4cbcv.Nmi0mgNn8q7gZncLgIpJEtLeK5c4FgevlFjeDp979cUhqSWYFKf3GAtzR9P9HZ6GJv1g3Fm1Ql0Wcf7I8Qa8kSNiyBt3IVJOw6MBOwKJatL3rlQxqDRgKIOrfbTw3Pab_njGp.3RMA0LxApdE9Npy_LYc.uNihpjK_xpcbbofCIba8AGx_9GM87SWJK01koy0CiV1xTRbs.C8St.me.mjZquXkHZKsKda7Xt3M5D254Fealzpm2Q.w0RWRWfU7k86zCAB9wrsKKW6cspRQB4ubCBJeYZ8rFD_AF4HXjBtm3dG4UplYARDL3Du0R1gS5daCx.QOliGFNhO2DviWeegSvMQAewnJ3OHnR1JBUcDLwsCQNN.nYfhG1TFHXj8xAzkN0.zwzzJ56TJlK_jgKabFPyEaPFSLgVoGL8dvybVNENHvnooUJVGDGYeuEoJGNnvI1HoVYNicVjrStjG2PJzxIMXBJUbUWooDAtXI7cUtGPKUpn.YiHO9vCaDE0BdnS9YE5VzGG8Tjx3NFWphWuiqZl89OfPJ7jL7AIhaIoo2VDwpazQFewtMQZAE.VmzS0ZpQy1HaSMw8X1uvhxKNrtCk1PE7SccKgqajLmTQfGgiDegErxjtf6ftlJHpvL97JUKl1Z7OLT9KO.QSzfdE7rwj.WDnVYdu.fCedme1lbyvwecSqzbkEdZoGeuaCUbdKJsTPzfDOpOTLjxwWF4U9n6P77xyZgzrlPS3Hs_7gHP7M9qPreWK1bEyn8ma3yksYdpWfq9RArEM1I04zdI1BCSAUjS_ozFLrJmZEoA5zFqtng",mdrd: "6o6y7S1x6N95yY29n8K9Af9At1zBVXH8tXm6EpAJfQw-1739776120-1.2.1.1-MtV7BTXV0K8rj7dMSPeHFQqEpnh.4SOK5UHKYaf91FX_Nu86uXe4yM5RTXLoSb2nz.z.84RUp5VBzu6Zh2y4YFWv2LViRmu5YzBA9VB03ZH4W3wGOS6esjZVvJTUQs5IOVVk3lUO_7o7Q7Y_e6d7UmN99T9u4KVScoVF6_4tEl49qwuzX6S.Ss468KQ4trdA71NiXvQScvlrz5__jP3gksXecICz1eZ1JPPuVFasDvxg1rz2k5ue9S_pRkxoS8a5HYxzFGvwqUdaw0_izLvHES5bCwArolG8L7Q7PWUoEvksVZjw5977mM3GYnvNNpw0oQ_UjDL2MXGFA.sjNtZyNOsxk4RVsAAgQIt1G2WEn0GRgkQlGLpP6igSZDDSVyajyrsWTbGJ95GptgNus9MfpONs1khwpCi1JGd3xPxdSR76.5.Ri_73aO1gsKex3T44tntBnZGaRsa9D3AkBcD2TFzacg301EW14MbhKpaJVUpJV3g8CBVEySs.L6F9qHjJW6hSNxvoi3msY6PO28zTqQZzxtdsvwqP_px.OsjROqCFAP1GV7YLcOFzhOSPM5r6pFrPhfi1huiI2heI22T7jlq2m0lOBi9AwFLAiBMy2jEmuoBo97vTF0BcLEV05txQMYujnp_argt.pDkHsiieZ1UvRHaZ_7BaHoeattDWuA4sr_OPg91ZruC53Db.fN7I_9O3_rxci_C9Ta3Gr1Y8frpw0sZ8mYI3pD7uliTc52XskmZ.3aGoG9KC0kMqg3n5YkmANmpK.Mbz6gZlRokPpWrMKI1rgmwDhUBuTuDIobDRS1sKMGTAsi.vnYpdeGQzbW4FuCszNjX87gLaTRmHys.2lZwAMz3.lQpzAsdA23XGB8IytbCfU2PjthZbkAqnagGaS6vsp5JPE6JK2ZWM5LZnZFrrPfOhv6LIy8nrolncQbNHhHX5MM8mKCWM50wAJVFhDHurUXcgBs3AABcLx9kvHQ1VEj02eeAJJUxpBq1gyZk4hpgUf7fy89ioGOMMsUsvncSzE7CXiWNhKkCMLJnbAdu2_HaHA9ISybvkDq.eBLkDa81lGRzt3d8.5ACMgi3K_BHmJuYZlnTTjXqzDXSMHJbK3QDzmmIOq9.vpPmgDXGnw8zeJu5sPhugpublYUpBVcAA6Rco6O9nbU4puC9SxZF7UKptOKE1qdEELSNkYrhw4cJvGgwL6LcD2QkyI1k0jUz0MRqWQ3LaFq8pihmbAovjri7jZt66O4u4_EbV4CRV0PNIYknYtN_bv0uZ9.zrL8sCuQH_fyq9HcYtT0qnCP74nQIxCEtH6wpwIExwUS5QQFYjaBGtQFfsp_vW.dSvM.HdBWSf8ZOuYeSvuk.MLVHRcdnAVXiF8prJdv93utB1.kE5SbSlGiSirlS8EptGDL0UcWplH5j8yIMEGHo1998VVwpsJ1212oT6Tr3l_zotup8l4rhR008TlljcLV2914gIVmrkpffJ6OFCULQ1x_x2oC6eUyvy9YYaqxSIhpOXyNgmSKy5ih_.eYWe8gsgN028wUSK804clrXbzM1P48.hyZMe972JtLnOR1CKwsvTl.cZg4rWfThyCmD.4kwyVA1okd3giF1KOENHF.ZA.kdZEHB_NpK6uMQ.OmXvhOAwO8hPC03W2xX3qMYj3ZurILOk5t2p1zy5.HwXK69Jydfw2ELwWchIQQuBKApLG6y7KUuVBRky9w2KX25qLZQbcAukkdLpGWeAMfi6QudZJLIhjqLMXLQgaOJ6t89K6.ELnk.May6Iyg.MX7vJDaXr0HStOcWNPnMu.j88UXO99T2no5nqXuVjxTbUeY5eAqhwW8Mh3JHAkrERGOKFGC42WaDX4F31HlrejsJdqPBnxweIR4iz2IqKuaTfTIoMfNOVKTAL.jaNT4Vsv6HGbcnyb5xNrkU6h.hRQC8Gs7ubCfaPhKQZowr_ZELRQuE2yBaXeGXTE4RIO.Gh7XebuDxzMCb2Q36cXXRou_gtEw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133f28ee99091cc';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=soil%20contamination&__cf_chl_rt_tk=C_TmK8HpDq8ecKwZrAvMnSXR9N_wrZe.rpKBArdB698-1739776120-1.0.1.1-O4bPy0ypK2zqvKKpytBE.gkF_k8J2z0LhP_RWf8i.Go" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>