{"id":4509,"date":"2017-09-06T21:22:09","date_gmt":"2017-09-07T02:22:09","guid":{"rendered":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/?page_id=4509"},"modified":"2023-06-07T08:12:19","modified_gmt":"2023-06-07T13:12:19","slug":"control-measures","status":"publish","type":"page","link":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/control-measures\/","title":{"rendered":"Control Measures"},"content":{"rendered":"<div data-modular-content-collection><p>A Control Measure is an action aimed to eliminate a hazard or at least reduce the risk of exposure to an acceptable level.\u00a0 The Hierarchy of Controls prioritizes control measures based on the premise that if the hazard you&#8217;ve identified can&#8217;t be eliminated then follow the\u00a0Hierarchy of Controls\u00a0to select the next-best control to mitigate the risk of an accident, incident, injury, or near-miss in the laboratory.\u00a0 The following guidelines have been adopted from wording found on the \u201c<a href=\"https:\/\/www.acs.org\/content\/acs\/en\/about\/governance\/committees\/chemicalsafety\/hazard-assessment\/fundamentals\/control-measures.html\" target=\"_blank\" rel=\"noopener\">Control Measures<\/a>\u201d webpage of the American Chemical Society Committee on Chemical Safety.<\/p>\n<figure id=\"attachment_4510\" aria-describedby=\"caption-attachment-4510\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/files\/2017\/09\/NIOSH-HierarchyControls.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"4510\" data-permalink=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/control-measures\/niosh-hierarchycontrols\/\" data-orig-file=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/files\/2017\/09\/NIOSH-HierarchyControls.jpg\" data-orig-size=\"575,385\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"NIOSH HierarchyControls\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/files\/2017\/09\/NIOSH-HierarchyControls.jpg\" class=\"wp-image-4510 size-medium\" src=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/files\/2017\/09\/NIOSH-HierarchyControls-300x201.jpg\" alt=\"\" width=\"300\" height=\"201\" \/><\/a><figcaption id=\"caption-attachment-4510\" class=\"wp-caption-text\">Source: http:\/\/www.cdc.gov\/niosh\/topics\/hierarchy<\/figcaption><\/figure>\n\n\n<!-- begin-migrated-from-panel-builder -->\t\t\t<div\n\t\t\tclass=\"site-section site-panel__tabs panel panel-tabs site-section__bg--default\"\n\t\t\tdata-depth=\"\"\n\t\t\tdata-js-panel=\"tabs\"\n\t\t>\n\t\n\t\t<div class=\"site-section__inner\" data-js=\"tabs\">\n\n\t\n\t\n\n\t\t\t\t<ul class=\"site-panel__tablist\" data-js=\"tab-list\" role=\"tablist\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"site-panel__tab-item\" role=\"presentation\" data-js=\"tab-item\">\n\t\t\t\t\t<button\n\t\t\t\t\t\tclass=\"site-panel__tab-btn site-panel__tab-btn--active\"\n\t\t\t\t\t\tdata-js=\"site-panel__tab\"\n\t\t\t\t\t\tdata-target=\"site-panel__tab-content-1\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t\t\taria-controls=\"site-panel__tab-content-1\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Show<\/span>\n\t\t\t\t\t\t\tElimination and Substituion\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Content<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"site-panel__tab-item\" role=\"presentation\" data-js=\"tab-item\">\n\t\t\t\t\t<button\n\t\t\t\t\t\tclass=\"site-panel__tab-btn  \"\n\t\t\t\t\t\tdata-js=\"site-panel__tab\"\n\t\t\t\t\t\tdata-target=\"site-panel__tab-content-2\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t\t\taria-controls=\"site-panel__tab-content-2\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Show<\/span>\n\t\t\t\t\t\t\tEngineering Controls\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Content<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"site-panel__tab-item\" role=\"presentation\" data-js=\"tab-item\">\n\t\t\t\t\t<button\n\t\t\t\t\t\tclass=\"site-panel__tab-btn  \"\n\t\t\t\t\t\tdata-js=\"site-panel__tab\"\n\t\t\t\t\t\tdata-target=\"site-panel__tab-content-3\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t\t\taria-controls=\"site-panel__tab-content-3\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Show<\/span>\n\t\t\t\t\t\t\tAdministrative Controls\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Content<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"site-panel__tab-item\" role=\"presentation\" data-js=\"tab-item\">\n\t\t\t\t\t<button\n\t\t\t\t\t\tclass=\"site-panel__tab-btn  \"\n\t\t\t\t\t\tdata-js=\"site-panel__tab\"\n\t\t\t\t\t\tdata-target=\"site-panel__tab-content-4\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t\t\taria-controls=\"site-panel__tab-content-4\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Show<\/span>\n\t\t\t\t\t\t\tPersonel Protective Equipment (PPE)\n\t\t\t\t\t\t<span class=\"u-visual-hide\">Content<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t\n\t\t\t\t<div class=\"site-panel__tab-content-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"site-panel__tab-content-1\" class=\"site-panel__tab-content site-panel__tab-content--active\" role=\"tabpanel\" aria-hidden=\"true\">\n\t\t\t\t\t<article class=\"panel panel-child panel--type-wysiwyg\">\n\t\t\t\t\t\t<div class=\"site-section site-panel__wysiwyg panel panel-wysiwyg site-section__bg--default\" data-depth=\"1\" data-js-panel=\"wysiwyg\">\n\t\t\t\t\t\t\t<div class=\"site-section__inner l-wrapper\">\n\t\t\t\t\t\t\t\t<div class=\"site-section__content \">\n\t\t\t\t\t\t\t\t\t<div class=\"site-grid site-grid__wrapper site-grid__wrapper-stagger\" data-depth=\"0\" data-name=\"columns\" data-livetext>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-grid__col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-panel__wysiwyg-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"t-content  site-section \" data-depth=\"0\" data-index=\"0\" data-autop=\"true\" data-name=\"column_content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p><strong>Elimination and Substitution<\/strong> are considered the most effective control measures. \u00a0They are easiest to achieve for brand new processes. \u00a0They can be more difficult to implement for existing processes, because new and\/or more expensive equipment and materials may be required.<\/p>\n<ul>\n<li>Completely get rid of chemicals, materials, processes, and equipment that are unnecessary to your specific experiment. Check if your equipment is well-worn; check dates, and refer to manufacturer&#8217;s recommendations.<\/li>\n<li>Switch out processes, equipment, material, or other components, where applicable. Think about the amount of chemicals or potentially hazardous materials you are using. Can you reduce the amount and still achieve the desired result? Do not use damaged glassware or equipment.<\/li>\n<li>Some valuable tools to help lab workers determine safer chemical substances are:\n<ul>\n<li><a href=\"https:\/\/ehs.mit.edu\/site\/environmental-stewardship\/green-chemistry\" target=\"_blank\" rel=\"noopener\">MIT Green Chemical Alternatives Purchasing Wizard<\/a><\/li>\n<li><a href=\"https:\/\/www.stolaf.edu\/apps\/chemistry\/gca\/\" target=\"_blank\" rel=\"noopener\">St. Olaf College Green Chemistry Assistant<\/a><\/li>\n<li><a href=\"https:\/\/www.sigmaaldrich.com\/content\/dam\/sigma-aldrich\/docs\/Sigma\/Brochure\/greener_solvent_alternatives.pdf\" target=\"_blank\" rel=\"noopener\">Sigma-Aldrich Greener Solvent Alternatives<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\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\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid__col -->\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid, .site-grid__wrapper -->\n\t\t\t\t\t\t\t\t<\/div><!-- .site-section__content -->\n\t\t\t\t\t\t\t<\/div><!--.site-section__inner -->\n\t\t\t\t\t\t<\/div><!-- .site-section -->\n\t\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"site-panel__tab-content-2\" class=\"site-panel__tab-content  \" role=\"tabpanel\" aria-hidden=\"true\">\n\t\t\t\t\t<article class=\"panel panel-child panel--type-wysiwyg\">\n\t\t\t\t\t\t<div class=\"site-section site-panel__wysiwyg panel panel-wysiwyg site-section__bg--default\" data-depth=\"1\" data-js-panel=\"wysiwyg\">\n\t\t\t\t\t\t\t<div class=\"site-section__inner l-wrapper\">\n\t\t\t\t\t\t\t\t<div class=\"site-section__content \">\n\t\t\t\t\t\t\t\t\t<div class=\"site-grid site-grid__wrapper site-grid__wrapper-stagger\" data-depth=\"0\" data-name=\"columns\" data-livetext>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-grid__col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-panel__wysiwyg-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"t-content  site-section \" data-depth=\"0\" data-index=\"0\" data-autop=\"true\" data-name=\"column_content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p><strong>Engineering Controls\u00a0<\/strong>are physical means of creating a protective barrier between you and the hazard (or between potentially incompatible hazards).<\/p>\n<ul>\n<li><strong>Isolate.<\/strong>\u00a0 Reduce or remove hazards by separation in time or space.\u00a0 This may be particularly helpful in a shared lab space where different types of chemicals are being used.<\/li>\n<li><strong>Enclose.<\/strong>\u00a0 Place the material or process in a closed system such as a glove box.<\/li>\n<li><strong>Move.<\/strong>\u00a0 Locate hazardous materials to where fewer workers are present.<\/li>\n<li>Guarding and Shielding. \u00a0Install guards to provide protection from moving parts or electrical connections. Shielding provides protection from potential slashes, flying objects, explosions, etc.<\/li>\n<li><strong>Ventilation.<\/strong>\u00a0 Use <a href=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/engineering-controls-fume-hoods-and-other-safety-equipment\/\" target=\"_blank\" rel=\"noopener\">fume hoods, exhaust ducts,<\/a> and biosafety cabinets to reduce the risk of overexposure.<\/li>\n<\/ul>\n\n\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\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid__col -->\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid, .site-grid__wrapper -->\n\t\t\t\t\t\t\t\t<\/div><!-- .site-section__content -->\n\t\t\t\t\t\t\t<\/div><!--.site-section__inner -->\n\t\t\t\t\t\t<\/div><!-- .site-section -->\n\t\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"site-panel__tab-content-3\" class=\"site-panel__tab-content  \" role=\"tabpanel\" aria-hidden=\"true\">\n\t\t\t\t\t<article class=\"panel panel-child panel--type-wysiwyg\">\n\t\t\t\t\t\t<div class=\"site-section site-panel__wysiwyg panel panel-wysiwyg site-section__bg--default\" data-depth=\"1\" data-js-panel=\"wysiwyg\">\n\t\t\t\t\t\t\t<div class=\"site-section__inner l-wrapper\">\n\t\t\t\t\t\t\t\t<div class=\"site-section__content \">\n\t\t\t\t\t\t\t\t\t<div class=\"site-grid site-grid__wrapper site-grid__wrapper-stagger\" data-depth=\"0\" data-name=\"columns\" data-livetext>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-grid__col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-panel__wysiwyg-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"t-content  site-section \" data-depth=\"0\" data-index=\"0\" data-autop=\"true\" data-name=\"column_content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p>While engineering controls seek to create a physical barrier to hazards, administrative controls aim to minimize a lab worker&#8217;s exposure to the hazard by ensuring that the individual follows safe lab protocols. \u00a0Following are examples of administrative controls:<\/p>\n<ul>\n<li>Follow all<strong> Standard Operating Procedures<\/strong> and the <strong>Laboratory Housekeeping Checklist.<\/strong><\/li>\n<li>Provide proper <strong>Training and Information<\/strong>.<\/li>\n<li>Conduct a <strong>Jobs Hazard Analysis<\/strong> prior to the start of a procedure.<\/li>\n<li><strong>Exposure Limits<\/strong>. \u00a0Achieved by observing both the concentration and time exposed to a harmful chemical or physical agent.<\/li>\n<\/ul>\n\n\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\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid__col -->\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid, .site-grid__wrapper -->\n\t\t\t\t\t\t\t\t<\/div><!-- .site-section__content -->\n\t\t\t\t\t\t\t<\/div><!--.site-section__inner -->\n\t\t\t\t\t\t<\/div><!-- .site-section -->\n\t\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"site-panel__tab-content-4\" class=\"site-panel__tab-content  \" role=\"tabpanel\" aria-hidden=\"true\">\n\t\t\t\t\t<article class=\"panel panel-child panel--type-wysiwyg\">\n\t\t\t\t\t\t<div class=\"site-section site-panel__wysiwyg panel panel-wysiwyg site-section__bg--default\" data-depth=\"1\" data-js-panel=\"wysiwyg\">\n\t\t\t\t\t\t\t<div class=\"site-section__inner l-wrapper\">\n\t\t\t\t\t\t\t\t<div class=\"site-section__content \">\n\t\t\t\t\t\t\t\t\t<div class=\"site-grid site-grid__wrapper site-grid__wrapper-stagger\" data-depth=\"0\" data-name=\"columns\" data-livetext>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-grid__col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"site-panel__wysiwyg-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"t-content  site-section \" data-depth=\"0\" data-index=\"0\" data-autop=\"true\" data-name=\"column_content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p>Even though the Hierarchy of Control Measures indicates that PPE is the least effective control measure, it should absolutely be used in case other control measures fail. \u00a0The success of PPE depends in part on whether or not lab workers actually use it properly.<\/p>\n<ul>\n<li>All laboratory personnel (students and employees) must wear <a href=\"https:\/\/wp.stolaf.edu\/chemical-hygiene\/personal-protective-equipment-ppe-personal-apparel-and-hygiene\/\" target=\"_blank\" rel=\"noopener\">proper personal attire and PPE<\/a> when working in a laboratory.<\/li>\n<\/ul>\n\n\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\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid__col -->\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .site-grid, .site-grid__wrapper -->\n\t\t\t\t\t\t\t\t<\/div><!-- .site-section__content -->\n\t\t\t\t\t\t\t<\/div><!--.site-section__inner -->\n\t\t\t\t\t\t<\/div><!-- .site-section -->\n\t\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\t\t<\/div>\n\n\t\t\t<\/div>\n\t\n<!-- end-migrated-from-panel-builder --><\/div>","protected":false},"excerpt":{"rendered":"<p>A Control Measure is an action aimed to eliminate a hazard or at least reduce the risk of exposure to an acceptable level.\u00a0 The Hierarchy of Controls prioritizes control measures [&hellip;]<\/p>\n","protected":false},"author":156,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/page-panels-beside-sidebar.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4509","page","type-page","status-publish","hentry"],"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/pages\/4509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/users\/156"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/comments?post=4509"}],"version-history":[{"count":16,"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/pages\/4509\/revisions"}],"predecessor-version":[{"id":5622,"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/pages\/4509\/revisions\/5622"}],"wp:attachment":[{"href":"https:\/\/wp.stolaf.edu\/chemical-hygiene\/wp-json\/wp\/v2\/media?parent=4509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}