{"id":73,"date":"2025-04-29T02:07:25","date_gmt":"2025-04-29T02:07:25","guid":{"rendered":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/?post_type=chapter&#038;p=73"},"modified":"2025-10-25T03:35:38","modified_gmt":"2025-10-25T03:35:38","slug":"safety-considerations","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/chapter\/safety-considerations\/","title":{"raw":"Safety Considerations","rendered":"Safety Considerations"},"content":{"raw":"Safety is a shared responsibility and the foundation of all successful scientific work. Please be sure to adhere to the following safety guidelines for all labs in this course.\r\n<h2 data-start=\"551\" data-end=\"598\">1. General Conduct and Safety Awareness<\/h2>\r\n<ul data-start=\"599\" data-end=\"945\">\r\n \t<li data-start=\"599\" data-end=\"753\">\r\n<p data-start=\"601\" data-end=\"753\">Always follow your instructor\u2019s directions and lab handouts carefully. If unsure about a procedure or material, ask questions before proceeding.<\/p>\r\n<\/li>\r\n \t<li data-start=\"754\" data-end=\"854\">\r\n<p data-start=\"756\" data-end=\"854\">Never work alone in the lab. A responsible instructor or lab partner should always be present.<\/p>\r\n<\/li>\r\n \t<li data-start=\"855\" data-end=\"945\">\r\n<p data-start=\"857\" data-end=\"945\">Stay alert and be aware of your surroundings\u2014no horseplay, running, or distractions.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"952\" data-end=\"998\">\u00a02. Personal Protective Equipment (PPE)<\/h2>\r\n<ul data-start=\"999\" data-end=\"1237\">\r\n \t<li data-start=\"999\" data-end=\"1079\">\r\n<p data-start=\"1001\" data-end=\"1079\">Wear goggles at all times when chemicals, glassware, or heat are involved.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1080\" data-end=\"1165\">\r\n<p data-start=\"1082\" data-end=\"1165\">Use lab coats\u00a0and closed-toe shoes to protect your body and feet.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1166\" data-end=\"1237\">\r\n<p data-start=\"1168\" data-end=\"1237\">Tie back long hair and avoid loose clothing or dangling jewelry.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"1244\" data-end=\"1284\">\u00a03. Chemical Handling and Storage<\/h2>\r\n<ul data-start=\"1285\" data-end=\"1623\">\r\n \t<li data-start=\"1285\" data-end=\"1366\">\r\n<p data-start=\"1287\" data-end=\"1366\">Treat all chemicals as potentially hazardous. Read labels twice before use.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1367\" data-end=\"1444\">\r\n<p data-start=\"1369\" data-end=\"1444\">Use only the amount of chemical instructed\u2014no unauthorized experiments.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1445\" data-end=\"1527\">\r\n<p data-start=\"1447\" data-end=\"1527\">Never return unused chemicals to original containers to avoid contamination.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1528\" data-end=\"1623\">\r\n<p data-start=\"1530\" data-end=\"1623\">Dispose of waste properly in designated containers\u2014never down the sink unless instructed.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"1630\" data-end=\"1665\">\u00a04. Equipment Use and Safety<\/h2>\r\n<ul data-start=\"1666\" data-end=\"1997\">\r\n \t<li data-start=\"1666\" data-end=\"1794\">\r\n<p data-start=\"1668\" data-end=\"1794\">Learn to identify and use common lab equipment: beakers, graduated cylinders, balances, thermometers, Bunsen burners, etc.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1795\" data-end=\"1852\">\r\n<p data-start=\"1797\" data-end=\"1852\">Inspect glassware for cracks or defects before use.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1853\" data-end=\"1931\">\r\n<p data-start=\"1855\" data-end=\"1931\">When heating substances, point test tubes away from yourself and others.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1932\" data-end=\"1997\">\r\n<p data-start=\"1934\" data-end=\"1997\">Use tongs or heat-resistant gloves when handling hot equipment.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"2004\" data-end=\"2054\">\u00a05. Accurate Measurement and Data Recording<\/h2>\r\n<ul data-start=\"2055\" data-end=\"2376\">\r\n \t<li data-start=\"2055\" data-end=\"2222\">\r\n<p data-start=\"2057\" data-end=\"2222\">Use appropriate equipment (e.g., balance for mass, thermometer for temperature) and record all measurements with the correct precision (significant figures).<\/p>\r\n<\/li>\r\n \t<li data-start=\"2223\" data-end=\"2294\">\r\n<p data-start=\"2225\" data-end=\"2294\">Never estimate beyond what your measuring device can accurately read.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2295\" data-end=\"2376\">\r\n<p data-start=\"2297\" data-end=\"2376\">Record data in pen or digitally, clearly and immediately\u2014no \u201cmental notes.\u201d<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"2383\" data-end=\"2422\">\u00a06. Cleanliness and Housekeeping<\/h2>\r\n<ul data-start=\"2423\" data-end=\"2664\">\r\n \t<li data-start=\"2423\" data-end=\"2471\">\r\n<p data-start=\"2425\" data-end=\"2471\">Keep your workspace clean and uncluttered.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2472\" data-end=\"2553\">\r\n<p data-start=\"2474\" data-end=\"2553\">Clean up spills immediately, following instructor guidance for chemical spills.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2554\" data-end=\"2664\">\r\n<p data-start=\"2556\" data-end=\"2664\">At the end of the lab, clean your equipment, return it properly, and wash your hands before leaving.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"2671\" data-end=\"2711\">\u00a07. Handling Heat and Open Flames<\/h2>\r\n<ul data-start=\"2712\" data-end=\"2893\">\r\n \t<li data-start=\"2712\" data-end=\"2805\">\r\n<p data-start=\"2714\" data-end=\"2805\">Know how to safely use a Bunsen burner, including how to light it and adjust the flame.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2806\" data-end=\"2859\">\r\n<p data-start=\"2808\" data-end=\"2859\">Keep flammable materials away from open flames.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2860\" data-end=\"2893\">\r\n<p data-start=\"2862\" data-end=\"2893\">Never leave a flame unattended.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"2900\" data-end=\"2931\">\u00a08. Emergency Procedures<\/h2>\r\n<ul data-start=\"2932\" data-end=\"3209\">\r\n \t<li data-start=\"2932\" data-end=\"3032\">\r\n<p data-start=\"2934\" data-end=\"3032\">Know the location of safety showers, eyewash stations, fire extinguishers, and first aid kits.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3033\" data-end=\"3129\">\r\n<p data-start=\"3035\" data-end=\"3129\">In case of contact with chemicals, flush with water for 15 minutes and notify your instructor.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3130\" data-end=\"3209\">\r\n<p data-start=\"3132\" data-end=\"3209\">Report all accidents, no matter how minor, to the instructor immediately.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"3216\" data-end=\"3265\">9. Scientific Thinking and Responsibility<\/h2>\r\n<ul data-start=\"3266\" data-end=\"3508\">\r\n \t<li data-start=\"3266\" data-end=\"3341\">\r\n<p data-start=\"3268\" data-end=\"3341\">Approach each lab with curiosity but prioritize safety and accuracy.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3342\" data-end=\"3423\">\r\n<p data-start=\"3344\" data-end=\"3423\">Respect the integrity of the scientific method\u2014don\u2019t \u201cfudge\u201d data or guess.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3424\" data-end=\"3508\">\r\n<p data-start=\"3426\" data-end=\"3508\">Be honest about errors or unexpected results; they\u2019re part of scientific learning.<\/p>\r\n<\/li>\r\n<\/ul>\r\nSign the lab safety contract signifying your understanding and agreement to abide by all laboratory rules. You cannot be enrolled in this course without a signature on the lab safety contract. The lab safety contract can be found in the Canvas modules. Please see me if you have additional questions.","rendered":"<p>Safety is a shared responsibility and the foundation of all successful scientific work. Please be sure to adhere to the following safety guidelines for all labs in this course.<\/p>\n<h2 data-start=\"551\" data-end=\"598\">1. General Conduct and Safety Awareness<\/h2>\n<ul data-start=\"599\" data-end=\"945\">\n<li data-start=\"599\" data-end=\"753\">\n<p data-start=\"601\" data-end=\"753\">Always follow your instructor\u2019s directions and lab handouts carefully. If unsure about a procedure or material, ask questions before proceeding.<\/p>\n<\/li>\n<li data-start=\"754\" data-end=\"854\">\n<p data-start=\"756\" data-end=\"854\">Never work alone in the lab. A responsible instructor or lab partner should always be present.<\/p>\n<\/li>\n<li data-start=\"855\" data-end=\"945\">\n<p data-start=\"857\" data-end=\"945\">Stay alert and be aware of your surroundings\u2014no horseplay, running, or distractions.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"952\" data-end=\"998\">\u00a02. Personal Protective Equipment (PPE)<\/h2>\n<ul data-start=\"999\" data-end=\"1237\">\n<li data-start=\"999\" data-end=\"1079\">\n<p data-start=\"1001\" data-end=\"1079\">Wear goggles at all times when chemicals, glassware, or heat are involved.<\/p>\n<\/li>\n<li data-start=\"1080\" data-end=\"1165\">\n<p data-start=\"1082\" data-end=\"1165\">Use lab coats\u00a0and closed-toe shoes to protect your body and feet.<\/p>\n<\/li>\n<li data-start=\"1166\" data-end=\"1237\">\n<p data-start=\"1168\" data-end=\"1237\">Tie back long hair and avoid loose clothing or dangling jewelry.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1244\" data-end=\"1284\">\u00a03. Chemical Handling and Storage<\/h2>\n<ul data-start=\"1285\" data-end=\"1623\">\n<li data-start=\"1285\" data-end=\"1366\">\n<p data-start=\"1287\" data-end=\"1366\">Treat all chemicals as potentially hazardous. Read labels twice before use.<\/p>\n<\/li>\n<li data-start=\"1367\" data-end=\"1444\">\n<p data-start=\"1369\" data-end=\"1444\">Use only the amount of chemical instructed\u2014no unauthorized experiments.<\/p>\n<\/li>\n<li data-start=\"1445\" data-end=\"1527\">\n<p data-start=\"1447\" data-end=\"1527\">Never return unused chemicals to original containers to avoid contamination.<\/p>\n<\/li>\n<li data-start=\"1528\" data-end=\"1623\">\n<p data-start=\"1530\" data-end=\"1623\">Dispose of waste properly in designated containers\u2014never down the sink unless instructed.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1630\" data-end=\"1665\">\u00a04. Equipment Use and Safety<\/h2>\n<ul data-start=\"1666\" data-end=\"1997\">\n<li data-start=\"1666\" data-end=\"1794\">\n<p data-start=\"1668\" data-end=\"1794\">Learn to identify and use common lab equipment: beakers, graduated cylinders, balances, thermometers, Bunsen burners, etc.<\/p>\n<\/li>\n<li data-start=\"1795\" data-end=\"1852\">\n<p data-start=\"1797\" data-end=\"1852\">Inspect glassware for cracks or defects before use.<\/p>\n<\/li>\n<li data-start=\"1853\" data-end=\"1931\">\n<p data-start=\"1855\" data-end=\"1931\">When heating substances, point test tubes away from yourself and others.<\/p>\n<\/li>\n<li data-start=\"1932\" data-end=\"1997\">\n<p data-start=\"1934\" data-end=\"1997\">Use tongs or heat-resistant gloves when handling hot equipment.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2004\" data-end=\"2054\">\u00a05. Accurate Measurement and Data Recording<\/h2>\n<ul data-start=\"2055\" data-end=\"2376\">\n<li data-start=\"2055\" data-end=\"2222\">\n<p data-start=\"2057\" data-end=\"2222\">Use appropriate equipment (e.g., balance for mass, thermometer for temperature) and record all measurements with the correct precision (significant figures).<\/p>\n<\/li>\n<li data-start=\"2223\" data-end=\"2294\">\n<p data-start=\"2225\" data-end=\"2294\">Never estimate beyond what your measuring device can accurately read.<\/p>\n<\/li>\n<li data-start=\"2295\" data-end=\"2376\">\n<p data-start=\"2297\" data-end=\"2376\">Record data in pen or digitally, clearly and immediately\u2014no \u201cmental notes.\u201d<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2383\" data-end=\"2422\">\u00a06. Cleanliness and Housekeeping<\/h2>\n<ul data-start=\"2423\" data-end=\"2664\">\n<li data-start=\"2423\" data-end=\"2471\">\n<p data-start=\"2425\" data-end=\"2471\">Keep your workspace clean and uncluttered.<\/p>\n<\/li>\n<li data-start=\"2472\" data-end=\"2553\">\n<p data-start=\"2474\" data-end=\"2553\">Clean up spills immediately, following instructor guidance for chemical spills.<\/p>\n<\/li>\n<li data-start=\"2554\" data-end=\"2664\">\n<p data-start=\"2556\" data-end=\"2664\">At the end of the lab, clean your equipment, return it properly, and wash your hands before leaving.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2671\" data-end=\"2711\">\u00a07. Handling Heat and Open Flames<\/h2>\n<ul data-start=\"2712\" data-end=\"2893\">\n<li data-start=\"2712\" data-end=\"2805\">\n<p data-start=\"2714\" data-end=\"2805\">Know how to safely use a Bunsen burner, including how to light it and adjust the flame.<\/p>\n<\/li>\n<li data-start=\"2806\" data-end=\"2859\">\n<p data-start=\"2808\" data-end=\"2859\">Keep flammable materials away from open flames.<\/p>\n<\/li>\n<li data-start=\"2860\" data-end=\"2893\">\n<p data-start=\"2862\" data-end=\"2893\">Never leave a flame unattended.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2900\" data-end=\"2931\">\u00a08. Emergency Procedures<\/h2>\n<ul data-start=\"2932\" data-end=\"3209\">\n<li data-start=\"2932\" data-end=\"3032\">\n<p data-start=\"2934\" data-end=\"3032\">Know the location of safety showers, eyewash stations, fire extinguishers, and first aid kits.<\/p>\n<\/li>\n<li data-start=\"3033\" data-end=\"3129\">\n<p data-start=\"3035\" data-end=\"3129\">In case of contact with chemicals, flush with water for 15 minutes and notify your instructor.<\/p>\n<\/li>\n<li data-start=\"3130\" data-end=\"3209\">\n<p data-start=\"3132\" data-end=\"3209\">Report all accidents, no matter how minor, to the instructor immediately.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3216\" data-end=\"3265\">9. Scientific Thinking and Responsibility<\/h2>\n<ul data-start=\"3266\" data-end=\"3508\">\n<li data-start=\"3266\" data-end=\"3341\">\n<p data-start=\"3268\" data-end=\"3341\">Approach each lab with curiosity but prioritize safety and accuracy.<\/p>\n<\/li>\n<li data-start=\"3342\" data-end=\"3423\">\n<p data-start=\"3344\" data-end=\"3423\">Respect the integrity of the scientific method\u2014don\u2019t \u201cfudge\u201d data or guess.<\/p>\n<\/li>\n<li data-start=\"3424\" data-end=\"3508\">\n<p data-start=\"3426\" data-end=\"3508\">Be honest about errors or unexpected results; they\u2019re part of scientific learning.<\/p>\n<\/li>\n<\/ul>\n<p>Sign the lab safety contract signifying your understanding and agreement to abide by all laboratory rules. You cannot be enrolled in this course without a signature on the lab safety contract. The lab safety contract can be found in the Canvas modules. Please see me if you have additional questions.<\/p>\n","protected":false},"author":125,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-73","chapter","type-chapter","status-web-only","hentry"],"part":69,"_links":{"self":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/73","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/users\/125"}],"version-history":[{"count":10,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/73\/revisions"}],"predecessor-version":[{"id":393,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/73\/revisions\/393"}],"part":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/parts\/69"}],"metadata":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/73\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/media?parent=73"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapter-type?post=73"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/contributor?post=73"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/license?post=73"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}