{"id":2128,"date":"2024-11-06T13:08:38","date_gmt":"2024-11-06T05:08:38","guid":{"rendered":"https:\/\/zjbocon.com\/?p=2128"},"modified":"2025-12-05T10:49:36","modified_gmt":"2025-12-05T02:49:36","slug":"routine-monitoring-control-and-release-of-ethylene-oxide-sterilization","status":"publish","type":"post","link":"https:\/\/zjbocon.com\/?p=2128","title":{"rendered":"Routine Monitoring, Control, and Release of Ethylene Oxide Sterilization"},"content":{"rendered":"\n<div class=\"wp-block-uagb-image uagb-block-49e85672 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zjbocon.com\/wp-content\/uploads\/2024\/10\/tp2.jpg\" alt=\"Ethylene oxide sterilization chamber\" class=\"uag-image-971\" width=\"514\" height=\"358\" title=\"Ethylene role =\"img\" \><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-routine-monitoring-and-control\">Routine Monitoring and Control<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The purpose of routine monitoring and control of EO (Ethylene Oxide) sterilization is to demonstrate that the confirmed and specified sterilization process has been applied to the product. Data from each sterilization cycle should be recorded and retained to prove that the confirmed sterilization process specifications have been met. This should include at least the following content:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Evidence that the environmental temperature of the product has reached the minimum confirmed temperature when entering the pretreatment (if used). This can be achieved by allowing the load to acclimate to the environment for a specified minimum time. If the storage temperature is known, there is no need to determine the temperature of the product before entering the pretreatment area. If the product has been exposed to extreme temperatures, such as during transportation, the product may need to be stored for a period before pretreatment to stabilize its internal temperature and humidity within an acceptable range.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Monitoring and recording of the temperature and humidity in the pretreatment area (if used) at specified locations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c) The start time of the pretreatment for each sterilization load and the time the load is removed from the pretreatment area (if used).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d) The time interval between removing the sterilization load from the pretreatment area (if used) and the start of the sterilization cycle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">e) Indicators of proper operation of the gas circulation system in the chamber during the gas exposure phase (if used).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">f) The temperature and pressure inside the chamber throughout the sterilization cycle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">g) The humidity inside the chamber during the processing phase, as measured by pressure or directly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">h) Confirmation that gaseous EO has been introduced into the sterilization chamber.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">i) The pressure rise inside the sterilization chamber and the amount or concentration of EO used.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">j) The processing time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">k) The exposure time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">l) Time, temperature, and pressure changes (if applicable) during the aeration phase and\/or venting operations (if used).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-eo-sterilization-release\">EO Sterilization Release<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-a-biological-indicator-method\">a) Biological Indicator Method<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If biological indicators (confirmed EPCD) are used, they should be distributed throughout the sterilization load, including the most difficult-to-sterilize locations or locations known to be related to these difficult spots. If pretreatment is used, the biological indicators should be placed before the pretreatment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The biological indicators should be removed from the sterilization load after the sterilization cycle ends and cultured as soon as possible to allow the biological indicators to revive. If they are not cultured in a timely manner, the effects of exposure to residual EO during delayed revival should be evaluated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The growth of the biological indicators should be analyzed to determine if the growth is not due to failure to meet the physical process specifications, which would require repeating the confirmation process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Parameter Release Method<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Parameter release relies on proving that all physical process parameters meet the specifications for release without the use of biological indicators. It is based solely on measurements and records of physical process parameters and serves as a sufficient declaration of the sterilization process&#8217;s adequacy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Parameter release is only permissible when all process parameters are specified, controlled, and directly monitored. Therefore, when parameter release is used, there should be equipment for direct measurement of temperature and humidity inside the chamber and for direct analysis of EO concentration, to collect and record the sterilization process parameters and confirm that the sterilization process complies with the specifications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to proving that the sterilization process parameters meet the sterilization specifications, parameter release also requires measuring and recording the following additional data:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Measuring the temperature inside the chamber at least from two locations throughout the sterilization cycle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Directly measuring the humidity inside the chamber during the processing phase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Determining the EO concentration by direct analysis of the sterilization chamber&#8217;s gas at specified time intervals, to fully verify that the required conditions are met throughout the exposure period.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-if-you-want-to-know-more-about-ethylene-oxide-sterilization\">WA A WOJELtik ASAB yóok&#039;ol le esterilización tumen óxido etileno<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nu&#039;ukul t&#039;aan:<a href=\"https:\/\/wa.me\/8619975258603\">+8619975258603<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Correo electrónico:<a href=\"mailto:hayley@hzbocon.com\">hayley@hzbocon.com<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ts&#039;ono&#039;oto&#039; ku: Sala 1202, Caitong Zhongxin, Distrito ti&#039; Xiasha, noj u Hangzhou, Provincia ti&#039; Zhejiang, China<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ts&#039;ono&#039;oto&#039; web:<a href=\"https:\/\/www.hzbocon.com\/\">hzbocon.com<\/a><a href=\"https:\/\/zjbocon.com\/\">zjbocon.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The purpose of routine monitoring and control of EO (Ethylene Oxide) sterilization is to demonstrate that the confirmed and specified sterilization process has been applied to the product. Data from each sterilization cycle should be recorded and retained to prove that the confirmed sterilization process specifications have been met. This should include at least the following content:<\/p>\n","protected":false},"author":234312599,"featured_media":8429,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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Technical Team","author_link":"https:\/\/zjbocon.com\/?author=234312599"},"uagb_comment_info":23,"uagb_excerpt":"The purpose of routine monitoring and control of EO (Ethylene Oxide) sterilization is to demonstrate that the confirmed and specified sterilization process has been applied to the product. Data from each sterilization cycle should be recorded and retained to prove that the confirmed sterilization process specifications have been met. This should include at least the&hellip;","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pgZDV6-yk","jetpack-related-posts":[{"id":3093,"url":"https:\/\/zjbocon.com\/?p=3093","url_meta":{"origin":2128,"position":0},"title":"Introduction to Ethylene Oxide Sterilizers","author":"Bocon Technical Team","date":"2025-02-05","format":false,"excerpt":"Discover how ethylene oxide sterilizers work, their applications, benefits, and safety considerations. Learn why they are essential for medical and industrial sterilization.","rel":"","context":"In &quot;Company News&quot;","block_context":{"text":"Company News","link":"https:\/\/zjbocon.com\/?cat=133125"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/ethylene-oxide-sterilization-21.webp?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8958,"url":"https:\/\/zjbocon.com\/?p=8958","url_meta":{"origin":2128,"position":1},"title":"Understanding What is ETO Sterilizers: A Comprehensive Guide","author":"Bocon Technical Team","date":"2025-12-16","format":false,"excerpt":"Discover the essentials of ETO sterilizers and ethylene oxide sterilization, ensuring the highest hygiene standards in healthcare and beyond.","rel":"","context":"In &quot;Company News&quot;","block_context":{"text":"Company News","link":"https:\/\/zjbocon.com\/?cat=133125"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/eto-sterilizer-hzbocon-3.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/eto-sterilizer-hzbocon-3.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/eto-sterilizer-hzbocon-3.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/eto-sterilizer-hzbocon-3.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/11\/eto-sterilizer-hzbocon-3.png?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":3100,"url":"https:\/\/zjbocon.com\/?p=3100","url_meta":{"origin":2128,"position":2},"title":"How Does Ethylene Oxide Gas Sterilization Kill Microorganisms?","author":"Bocon Technical Team","date":"2025-02-05","format":false,"excerpt":"How Does Ethylene Oxide Gas Sterilization Work? The effectiveness of ethylene oxide gas sterilization lies in its ability to disrupt the cellular structure of microorganisms. Here\u2019s a step-by-step breakdown of how it works: 1.\u00a0Penetration of EO Gas Ethylene oxide gas is highly penetrative, meaning it can easily reach microorganisms even\u2026","rel":"","context":"In &quot;Company News&quot;","block_context":{"text":"Company News","link":"https:\/\/zjbocon.com\/?cat=133125"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2025\/09\/tp2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2004,"url":"https:\/\/zjbocon.com\/?p=2004","url_meta":{"origin":2128,"position":3},"title":"The Guide to ethylene oxide in sterilization","author":"Bocon Technical Team","date":"2024-10-28","format":false,"excerpt":"ethylene oxide in sterilization Introduction ETO is a colorless gas that is flammable and explosive. The four essential parameters (operational ranges) of ethylene oxide in sterilization are: gas concentration (450 to 1200 mg\/l); temperature (37 to 63\u00b0C); relative humidity (40 to 80%)(water molecules carry ETO to reactive sites); and exposure\u2026","rel":"","context":"In &quot;ETO STERILIZER&quot;","block_context":{"text":"ETO STERILIZER","link":"https:\/\/zjbocon.com\/?cat=133124"},"img":{"alt_text":"Industry_ETO_Sterilizer","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/Industry_ETO_Sterilizer.webp?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/Industry_ETO_Sterilizer.webp?resize=350%2C200 1x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/Industry_ETO_Sterilizer.webp?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/Industry_ETO_Sterilizer.webp?resize=700%2C400 2x"},"classes":[]},{"id":2471,"url":"https:\/\/zjbocon.com\/?p=2471","url_meta":{"origin":2128,"position":4},"title":"Safety Requirements for Using Ethylene Oxide in sterilization","author":"Bocon Technical Team","date":"2024-12-23","format":false,"excerpt":"when Ethylene Oxide in sterilization chamber should be equipped with fire prevention facilities. Ethylene oxide cylinders should be stored separately in a dry, well-ventilated room, with strict prohibition of smoking and open flames. The lighting in the sterilization chamber should be explosion-proof, and any electrical appliances that may cause electric\u2026","rel":"","context":"In &quot;Company News&quot;","block_context":{"text":"Company News","link":"https:\/\/zjbocon.com\/?cat=133125"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/Electrical-Scale.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1950,"url":"https:\/\/zjbocon.com\/?p=1950","url_meta":{"origin":2128,"position":5},"title":"eto sterilization process","author":"Bocon Technical Team","date":"2024-10-23","format":false,"excerpt":"Eto Sterilization is conducted using a eto sterilizer located in a dedicated facility.","rel":"","context":"In &quot;ETO STERILIZER&quot;","block_context":{"text":"ETO STERILIZER","link":"https:\/\/zjbocon.com\/?cat=133124"},"img":{"alt_text":"eto sterilization process","src":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/eto-sterilization-process-e1729654271899.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/eto-sterilization-process-e1729654271899.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/eto-sterilization-process-e1729654271899.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/zjbocon.com\/wp-content\/uploads\/2024\/10\/eto-sterilization-process-e1729654271899.webp?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/posts\/2128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/users\/234312599"}],"replies":[{"embeddable":true,"href":"https:\/\/zjbocon.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2128"}],"version-history":[{"count":4,"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/posts\/2128\/revisions"}],"predecessor-version":[{"id":8879,"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/posts\/2128\/revisions\/8879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zjbocon.com\/index.php?rest_route=\/wp\/v2\/media\/8429"}],"wp:attachment":[{"href":"https:\/\/zjbocon.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zjbocon.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zjbocon.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}