{"id":92338,"date":"2026-04-16T07:00:43","date_gmt":"2026-04-16T07:00:43","guid":{"rendered":"https:\/\/gaeatech.com\/knowledge-center\/?p=92338"},"modified":"2026-04-16T01:59:59","modified_gmt":"2026-04-16T01:59:59","slug":"migratev10-example-13-leachate-collection-termination","status":"publish","type":"post","link":"https:\/\/gaeatech.com\/knowledge-center\/migratev10-example-13-leachate-collection-termination\/","title":{"rendered":"MIGRATEv10 Example 13: Termination of Primary Leachate Collection System"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h1>\n\n\n\n<p>MIGRATEv10 Example 13 explores a critical long-term scenario in landfill performance:<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>What happens when the primary leachate collection system (PLCS) stops operating?<\/strong><\/p>\n\n\n\n<p>This example builds directly on Example 1 by introducing <strong>time-dependent changes in hydraulic conditions<\/strong> following landfill closure. It highlights how reduced system performance can significantly impact <strong>leakage rates and contaminant migration<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conceptual-model-overview\">Conceptual Model Overview<\/h2>\n\n\n\n<p>The modeled system includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>RCRA Subtitle D landfill<\/strong><\/li>\n\n\n\n<li>A <strong>composite liner system<\/strong>:\n<ul class=\"wp-block-list\">\n<li>60 mil geomembrane<\/li>\n\n\n\n<li>0.9 m compacted clay liner<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>A <strong>primary leachate collection system (PLCS)<\/strong><\/li>\n\n\n\n<li>Time-dependent changes in <strong>leachate head and Darcy velocity<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-modeling-objective\">Key Modeling Objective<\/h2>\n\n\n\n<p>This example aims to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Simulate the <strong>termination of leachate collection system performance<\/strong><\/li>\n\n\n\n<li>Evaluate how increasing leachate head affects <strong>leakage rates<\/strong><\/li>\n\n\n\n<li>Assess long-term impacts on <strong>contaminant transport<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-landfill-and-liner-system\">Landfill and Liner System<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>Component<\/th><th>Description<\/th><\/tr><tr><td>Geomembrane<\/td><td>60 mil (1.5 mm), good contact<\/td><\/tr><tr><td>Clay Liner<\/td><td>0.9 m thick<\/td><\/tr><tr><td>System Type<\/td><td>Composite liner<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>This configuration provides strong containment\u2014<strong>while the PLCS is functioning<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-source-behavior\">Source Behavior<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-early-operation-phase-0-10-years\">Early Operation Phase (0\u201310 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Contaminant concentration increases <strong>linearly<\/strong><\/li>\n\n\n\n<li>Peak concentration reached at <strong>10 years<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-leachate-collection-system-performance\">Leachate Collection System Performance<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-during-operation-0-50-years\">During Operation (0\u201350 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PLCS is active Downward Darcy velocity:<br>v<sub>a<\/sub> = 5.7 10<sup>-5<\/sup> m\/a<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 This low velocity reflects <strong>effective leachate removal<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-post-closure-conditions\">Post-Closure Conditions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-at-50-years-system-termination\">At 50 Years: System Termination<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PLCS stops functioning<\/li>\n\n\n\n<li>Cover system is no longer maintained<\/li>\n\n\n\n<li>Leachate begins to <strong>accumulate<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-50-70-years-transition-phase\">50\u201370 Years: Transition Phase<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leachate mound rises gradually<\/li>\n\n\n\n<li>Darcy velocity increases over time<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Modeled using <strong>linear interpolation divided into 5 steps<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-at-70-years-maximum-leachate-mound\">At 70 Years: Maximum Leachate Mound<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leachate head reaches <strong>25 m<\/strong><\/li>\n\n\n\n<li>New Darcy velocity:<\/li>\n<\/ul>\n\n\n\n<p>v<sub>a<\/sub> = 0.0116 m\/a<\/p>\n\n\n\n<p>\ud83d\udc49 This represents a <strong>~200\u00d7 increase<\/strong> in leakage potential<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-modeling-approach-in-migratev10\">Modeling Approach in MIGRATEv10<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-start-with-example-1-model\">Step 1: Start with Example 1 Model<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Same geometry and liner system<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-2-define-time-dependent-source\">Step 2: Define Time-Dependent Source<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Linear increase in concentration (0\u201310 years)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-apply-initial-flow-conditions\">Step 3: Apply Initial Flow Conditions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Darcy velocity during PLCS operation<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-4-introduce-system-termination-50-years\">Step 4: Introduce System Termination (50 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modify boundary conditions<\/li>\n\n\n\n<li>Remove leachate collection effect<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-5-model-transition-phase-50-70-years\">Step 5: Model Transition Phase (50\u201370 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Divide into <strong>5 time steps<\/strong><\/li>\n\n\n\n<li>Gradually increase Darcy velocity<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-6-apply-final-conditions-70-years\">Step 6: Apply Final Conditions (70+ years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use maximum Darcy velocity<\/li>\n\n\n\n<li>Continue simulation<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-graphical-output-depth-vs-distance\">Graphical Output: Depth vs Distance<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"881\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/image-44.jpg\" alt=\"\" class=\"wp-image-92340\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/image-44.jpg 804w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/image-44-274x300.jpg 274w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/image-44-768x842.jpg 768w\" sizes=\"auto, (max-width: 804px) 100vw, 804px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-pdf-report\">PDF Report<\/h2>\n\n\n<div class=\"ead-preview\"><div class=\"ead-document\" style=\"position: relative;padding-top: 90%\"><div class=\"ead-iframe-wrapper\"><iframe src=\"\/\/docs.google.com\/viewer?url=https%3A%2F%2Fgaeatech.com%2Fknowledge-center%2Fwp-content%2Fuploads%2F2026%2F04%2Fmigrate-example13.pdf&amp;embedded=true&amp;hl=en\" title=\"Embedded Document\" class=\"ead-iframe\" style=\"width: 100%;height: 100%;border: none;position: absolute;left: 0;top: 0;visibility: hidden;\"><\/iframe><\/div>\t\t\t<div class=\"ead-document-loading\" style=\"width:100%;height:100%;position:absolute;left:0;top:0;z-index:10\">\n\t\t\t\t<div class=\"ead-loading-wrap\">\n\t\t\t\t\t<div class=\"ead-loading-main\">\n\t\t\t\t\t\t<div class=\"ead-loading\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/plugins\/embed-any-document\/images\/loading.svg\" width=\"55\" height=\"55\" alt=\"Loader\">\n\t\t\t\t\t\t\t<span>Loading&#8230;<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"ead-loading-foot\">\n\t\t\t\t\t\t<div class=\"ead-loading-foot-title\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/plugins\/embed-any-document\/images\/EAD-logo.svg\" alt=\"EAD Logo\" width=\"36\" height=\"23\"\/>\n\t\t\t\t\t\t\t<span>Taking too long?<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<p>\n\t\t\t\t\t\t\t<div class=\"ead-document-btn ead-reload-btn\" role=\"button\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/plugins\/embed-any-document\/images\/reload.svg\" alt=\"Reload\" width=\"12\" height=\"12\"\/> Reload document\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<span>|<\/span>\n\t\t\t\t\t\t\t<a href=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/migrate-example13.pdf\" class=\"ead-document-btn\" target=\"_blank\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/plugins\/embed-any-document\/images\/open.svg\" alt=\"Open\" width=\"12\" height=\"12\"\/> Open in new tab\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-interpretation-of-results\">Interpretation of Results<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-early-period-0-50-years\">1. Early Period (0\u201350 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimal leakage<\/li>\n\n\n\n<li>Effective containment<\/li>\n\n\n\n<li>Low contaminant migration<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-transition-period-50-70-years\">2. Transition Period (50\u201370 years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increasing leakage rates<\/li>\n\n\n\n<li>Accelerated contaminant movement<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-long-term-behavior-70-years\">3. Long-Term Behavior (70+ years)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Significantly higher contaminant flux<\/li>\n\n\n\n<li>Greater impact on underlying aquifer<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-insights\">Key Insights<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-importance-of-leachate-collection-systems\">1. Importance of Leachate Collection Systems<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PLCS plays a <strong>critical role in limiting leakage<\/strong><\/li>\n\n\n\n<li>System failure dramatically increases risk<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-sensitivity-to-leachate-head\">2. Sensitivity to Leachate Head<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leakage is highly dependent on:\n<ul class=\"wp-block-list\">\n<li>Hydraulic head<\/li>\n\n\n\n<li>System maintenance<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-long-term-risk\">3. Long-Term Risk<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Post-closure conditions may pose <strong>greater risk than active operation<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-practical-implications\">Practical Implications<\/h2>\n\n\n\n<p>This example is highly relevant for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Long-term landfill performance assessment<\/li>\n\n\n\n<li>Closure planning and post-closure care<\/li>\n\n\n\n<li>Regulatory evaluation of containment systems<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways\">Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Termination of PLCS leads to <strong>significant increases in leakage<\/strong><\/li>\n\n\n\n<li>Time-dependent modeling is essential for realistic predictions<\/li>\n\n\n\n<li>Leachate mound height is a <strong>critical control parameter<\/strong><\/li>\n\n\n\n<li>MIGRATEv10 can simulate <strong>changing system conditions over decades<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-final-thoughts\">Final Thoughts<\/h2>\n\n\n\n<p>MIGRATEv10 Example 13 highlights a crucial reality in landfill engineering:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-small-font-size\"><strong>Containment systems do not perform the same way over time<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>By modeling the failure of the leachate collection system, this example demonstrates how long-term conditions can dramatically alter contaminant migration behavior. It underscores the importance of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proper closure design<\/li>\n\n\n\n<li>Long-term monitoring<\/li>\n\n\n\n<li>Conservative modeling assumptions<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction MIGRATEv10 Example 13 explores a critical long-term scenario in landfill performance: \ud83d\udc49 What happens when the primary leachate collection system (PLCS) stops operating? This example builds directly on Example 1 by introducing time-dependent changes in hydraulic conditions following landfill closure. It highlights how reduced system performance can significantly impact leakage rates and contaminant migration. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":92342,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[858,1690],"tags":[1626,501,469,1711,1672,1689],"class_list":["post-92338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-contaminant-transport-modeling","category-migrateexamples","tag-composite-liner","tag-contaminant-transport","tag-groundwater-modeling","tag-landfill-closure","tag-leachate-collection-system","tag-migratev10"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>MIGRATEv10 Example 13 Leachate System Termination Insights - Knowledge Center<\/title>\n<meta name=\"description\" content=\"Learn how MIGRATEv10 models the termination of a leachate collection system and its impact on contaminant migration and landfill performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gaeatech.com\/knowledge-center\/migratev10-example-13-leachate-collection-termination\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MIGRATEv10 Example 13: Termination of Primary Leachate Collection System\" \/>\n<meta property=\"og:description\" content=\"Learn how MIGRATEv10 models the termination of a leachate collection system and its impact on contaminant migration and landfill performance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gaeatech.com\/knowledge-center\/migratev10-example-13-leachate-collection-termination\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowledge Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.linkedin.com\/company\/2663277\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-16T07:00:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/04\/migratev10-example-13-leachate-system-failure.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"GAEA Technologies\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"GAEA Technologies\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/\"},\"author\":{\"name\":\"GAEA Technologies\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/#\\\/schema\\\/person\\\/940fb5fed6e95dd9d0ec1370207f5dba\"},\"headline\":\"MIGRATEv10 Example 13: Termination of Primary Leachate Collection System\",\"datePublished\":\"2026-04-16T07:00:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/\"},\"wordCount\":528,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/migratev10-example-13-leachate-system-failure.jpg\",\"keywords\":[\"composite liner\",\"contaminant transport\",\"groundwater modeling\",\"Landfill Closure\",\"leachate collection system\",\"MIGRATEv10\"],\"articleSection\":[\"Contaminant Transport Modeling\",\"MIGRATE Examples\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/\",\"url\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/migratev10-example-13-leachate-collection-termination\\\/\",\"name\":\"MIGRATEv10 Example 13 Leachate System Termination Insights - 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