{"id":5130,"date":"2026-09-28T12:18:43","date_gmt":"2026-09-28T10:18:43","guid":{"rendered":"https:\/\/www.tesalys.fr\/?post_type=actu&#038;p=5130"},"modified":"2026-09-28T12:21:07","modified_gmt":"2026-09-28T10:21:07","slug":"infectious-waste-in-laboratories-what-happens-to-it","status":"publish","type":"actu","link":"https:\/\/www.tesalys.fr\/en\/actu\/infectious-waste-in-laboratories-what-happens-to-it\/","title":{"rendered":"Infectious Waste in Laboratories: What Happens to It?"},"content":{"rendered":"\n<p>Laboratories generate many types of waste every day, from contaminated tubes and gloves to sharps and microbiological cultures. Proper segregation and treatment are essential to protect staff, the environment and ensure safe waste management.<\/p>\n\n\n\n<p>But what happens to infectious waste once it leaves the laboratory?<\/p>\n\n\n\n<p>There are several steps involved \u2014 from segregation and temporary storage to collection, transport and treatment. And there is another question worth considering: <strong>what if this waste could be treated directly where it is generated?<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How is infectious waste managed in laboratories?<\/strong><\/h2>\n\n\n\n<p>The infographic below gives a simple overview of the different types of laboratory waste and the main steps involved in its management \u2014 from sorting at source to final treatment.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"724\" height=\"1024\" data-id=\"5131\" src=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-724x1024.png\" alt=\"\" class=\"wp-image-5131\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-724x1024.png 724w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-212x300.png 212w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-768x1086.png 768w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-1086x1536.png 1086w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-99x140.png 99w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-78x110.png 78w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories-318x450.png 318w, https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/How-is-infectious-waste-managed-in-laboratories.png 1414w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/><\/figure>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>From segregation and temporary storage to collection, transport and treatment: understanding the different pathways for infectious laboratory waste.<\/em><\/p>\n<\/blockquote>\n\n\n\n<p>As the infographic shows, waste management can follow a traditional <strong>off-site treatment pathway<\/strong>, or, for suitable infectious waste, an <strong>on-site treatment approach<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Waste must first be sorted at source<\/strong><\/h2>\n\n\n\n<p>The first step takes place directly in the laboratory: <strong>waste must be sorted according to its type and risk.<\/strong><\/p>\n\n\n\n<p>Laboratories may generate different categories of waste, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Infectious waste:<\/strong> contaminated tubes, gloves, culture plates, biological samples and other contaminated materials.<\/li>\n\n\n\n<li><strong>Sharps:<\/strong> needles, blades, scalpels and contaminated glass.<\/li>\n\n\n\n<li><strong>Highly infectious waste:<\/strong> microbiological cultures, pathogen stocks, microorganism culture waste, culture-handling equipment and waste from infected animals.<\/li>\n<\/ul>\n\n\n\t\t\t\t\t<div\n\t\t\t\t\t\tclass=\"wp-block-uagb-image-gallery uagb-block-91556b2f     \"\n\t\t\t\t\t\tstyle=\"\"\n\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery spectra-image-gallery__layout--grid spectra-image-gallery__layout--grid-col-3 spectra-image-gallery__layout--grid-col-tab-3 spectra-image-gallery__layout--grid-col-mob-2\">\n\t\t\t\t\t\t\t\t\t\t\t<div class='spectra-image-gallery__media-wrapper' data-spectra-gallery-image-id='5128' tabindex=\"0\">\n\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media spectra-image-gallery__media--grid\">\n\t\t\t\t<picture>\n\t\t\t\t\t<source media=\"(min-width: 1024px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/Dechet-infectieux-2.png\">\n\t\t\t\t\t<source media=\"(min-width: 768px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/Dechet-infectieux-2.png\">\n\t\t\t\t\t<img decoding=\"async\" class=\"spectra-image-gallery__media-thumbnail spectra-image-gallery__media-thumbnail--grid\" src=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/Dechet-infectieux-2.png\" alt=\"\" loading=\"lazy\" \/>\n\t\t\t\t<\/picture>\n\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-blurrer\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption-wrapper spectra-image-gallery__media-thumbnail-caption-wrapper--overlay\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption spectra-image-gallery__media-thumbnail-caption--overlay\">\n\t\t\t\t\tNo Caption\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class='spectra-image-gallery__media-wrapper' data-spectra-gallery-image-id='5124' tabindex=\"0\">\n\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media spectra-image-gallery__media--grid\">\n\t\t\t\t<picture>\n\t\t\t\t\t<source media=\"(min-width: 1024px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/dechet-infectieux.png\">\n\t\t\t\t\t<source media=\"(min-width: 768px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/dechet-infectieux.png\">\n\t\t\t\t\t<img decoding=\"async\" class=\"spectra-image-gallery__media-thumbnail spectra-image-gallery__media-thumbnail--grid\" src=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2026\/09\/dechet-infectieux-276x300.png\" alt=\"\" loading=\"lazy\" \/>\n\t\t\t\t<\/picture>\n\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-blurrer\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption-wrapper spectra-image-gallery__media-thumbnail-caption-wrapper--overlay\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption spectra-image-gallery__media-thumbnail-caption--overlay\">\n\t\t\t\t\tNo Caption\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class='spectra-image-gallery__media-wrapper' data-spectra-gallery-image-id='1293' tabindex=\"0\">\n\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media spectra-image-gallery__media--grid\">\n\t\t\t\t<picture>\n\t\t\t\t\t<source media=\"(min-width: 1024px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2021\/02\/laboratory-worker-in-coverall-suit-is-adjusting-mi-LF7UESP-scaled-1024x683.jpg\">\n\t\t\t\t\t<source media=\"(min-width: 768px)\" srcset=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2021\/02\/laboratory-worker-in-coverall-suit-is-adjusting-mi-LF7UESP-scaled-1024x683.jpg\">\n\t\t\t\t\t<img decoding=\"async\" class=\"spectra-image-gallery__media-thumbnail spectra-image-gallery__media-thumbnail--grid\" src=\"https:\/\/www.tesalys.fr\/wp-content\/uploads\/2021\/02\/laboratory-worker-in-coverall-suit-is-adjusting-mi-LF7UESP-scaled-300x200.jpg\" alt=\"DASRI Laboratoires\" loading=\"lazy\" \/>\n\t\t\t\t<\/picture>\n\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-blurrer\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption-wrapper spectra-image-gallery__media-thumbnail-caption-wrapper--overlay\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption spectra-image-gallery__media-thumbnail-caption--overlay\">\n\t\t\t\t\tLaboratory worker in coverall suit is adjusting microscope. The researcher is doing coronavirus testing in a modern laboratory with solutions on the table.\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\n\n\n<p>Proper segregation helps ensure that each type of waste follows the appropriate management and treatment pathway.<\/p>\n\n\n\n<p>Chemical waste, radioactive waste and other specific hazardous materials require dedicated treatment pathways and should not be mixed with infectious waste.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Temporary storage<\/strong><\/h2>\n\n\n\n<p>Once sorted, infectious waste may need to be stored temporarily before it is collected.<\/p>\n\n\n\n<p>This step requires appropriate containers and dedicated storage conditions to limit exposure and prevent accidental contact with contaminated materials.<\/p>\n\n\n\n<p>For laboratories using an external treatment service, storage is also part of the logistics chain between the point where waste is generated and the point where it is finally treated.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Collection and transport<\/strong><\/h2>\n\n\n\n<p>In the traditional model, infectious waste is collected from the laboratory and transported to a specialised treatment facility.<\/p>\n\n\n\n<p>The pathway can therefore involve several stages:<\/p>\n\n\n\n<p><strong>Laboratory \u2192 temporary storage \u2192 collection &amp; transport \u2192 specialised treatment facility \u2192 final disposal.<\/strong><\/p>\n\n\n\n<p>Each additional step means more handling and logistics between the laboratory and the final treatment stage.<\/p>\n\n\n\n<p>For laboratories located in areas where transport or waste infrastructure is limited, these logistical requirements can also become more complex.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What happens when infectious waste is treated off site?<\/strong><\/h2>\n\n\n\n<p>At a specialised facility, infectious waste undergoes an appropriate treatment process designed to eliminate the biological risk before final disposal.<\/p>\n\n\n\n<p>This centralised approach is widely used, but it means that the waste must first leave the laboratory and travel through the different stages of the external waste-management chain.<\/p>\n\n\n\n<p>This raises another possibility:<\/p>\n\n\n\n<p><strong>Does infectious waste always need to leave the laboratory before it can be treated?<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What if infectious waste could be treated on site?<\/strong><\/h2>\n\n\n\n<p>For suitable infectious laboratory waste, another approach is possible: <strong>treating the waste directly where it is generated.<\/strong><\/p>\n\n\n\n<p>With an on-site system combining <strong>shredding and steam sterilization<\/strong>, waste can be treated within the laboratory or healthcare facility rather than being transported to an external treatment site.<\/p>\n\n\n\n<p>The process involves two key steps:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Shredding<\/strong><\/h3>\n\n\n\n<p>The waste is first shredded, significantly reducing its volume and preparing it for the sterilization stage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Steam sterilization<\/strong><\/h3>\n\n\n\n<p>The shredded waste is then exposed to <strong>steam at 135\u00b0C<\/strong>.<\/p>\n\n\n\n<p>This treatment pathway transforms the infectious waste into safe waste, while significantly reducing its volume.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why consider on-site treatment?<\/strong><\/h2>\n\n\n\n<p>Treating infectious waste where it is generated can simplify the waste-management chain and reduce the need for external handling and transport.<\/p>\n\n\n\n<p>The main advantages highlighted in the infographic include:<\/p>\n\n\n\n<p><strong>Less storage<\/strong><br>Waste can be treated closer to the point where it is generated.<\/p>\n\n\n\n<p><strong>Less handling and transport<\/strong><br>Reducing the number of steps between the laboratory and treatment can help limit handling and transport-related risks.<\/p>\n\n\n\n<p><strong>Reduced volume<\/strong><br>Shredding significantly reduces the volume of the waste.<\/p>\n\n\n\n<p><strong>More control over the process<\/strong><br>Treatment takes place where the waste is generated, giving the laboratory greater control and responsiveness in its waste-management process.<\/p>\n\n\n\n<p><strong>From a long waste chain to a local solution<\/strong><\/p>\n\n\n\n<p>Managing infectious laboratory waste is not only about <strong>how<\/strong> it is treated. It is also worth considering <strong>where<\/strong> treatment takes place.<\/p>\n\n\n\n<p>The traditional model involves several stages before the waste reaches a specialised treatment facility. On-site treatment offers another approach: treating suitable infectious waste directly where it is generated.<\/p>\n\n\n\n<p>The right solution depends on the type and quantity of waste produced, the laboratory&#8217;s activities, available space, local requirements and existing waste-management arrangements.<\/p>\n\n\n\n<p>But in some situations, one question can make a difference:<\/p>\n\n\n\n<p><strong>What if treatment could start where the waste is generated?<\/strong><\/p>\n","protected":false},"featured_media":5121,"template":"","categories":[],"class_list":["post-5130","actu","type-actu","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Infectious Waste in Laboratories: What Happens to It? - Tesalys<\/title>\n<meta name=\"description\" content=\"Discover how infectious waste is managed in laboratories, from source segregation to off-site or on-site treatment through shredding and steam sterilization.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tesalys.fr\/en\/actu\/infectious-waste-in-laboratories-what-happens-to-it\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Infectious Waste in Laboratories: What Happens to It? 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