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	<id>https://curieatingsafety.org/wiki/index.php?action=history&amp;feed=atom&amp;title=Iodine-131</id>
	<title>Iodine-131 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://curieatingsafety.org/wiki/index.php?action=history&amp;feed=atom&amp;title=Iodine-131"/>
	<link rel="alternate" type="text/html" href="https://curieatingsafety.org/wiki/index.php?title=Iodine-131&amp;action=history"/>
	<updated>2026-08-16T22:53:34Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://curieatingsafety.org/wiki/index.php?title=Iodine-131&amp;diff=172&amp;oldid=prev</id>
		<title>Illirem at 00:37, 26 January 2026</title>
		<link rel="alternate" type="text/html" href="https://curieatingsafety.org/wiki/index.php?title=Iodine-131&amp;diff=172&amp;oldid=prev"/>
		<updated>2026-01-26T00:37:24Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:37, 25 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l110&quot;&gt;Line 110:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 110:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dosimetry or biokinetic models:&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dosimetry or biokinetic models:&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Isotopes]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Isotopes&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|131&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Illirem</name></author>
	</entry>
	<entry>
		<id>https://curieatingsafety.org/wiki/index.php?title=Iodine-131&amp;diff=169&amp;oldid=prev</id>
		<title>Illirem: Created page with &quot;&lt;h1&gt;Iodine-131&lt;/h1&gt;  =1. Isotope Basics= Isotope name:&lt;br&gt; Symbol / mass number:&lt;br&gt; Decay mode(s):&lt;br&gt; Decay products:[&#039;&#039;include limited discussions on daughter hazards or link out to them&#039;&#039;]&lt;br&gt; Physical half-life:&lt;br&gt; Biological half-life:[&#039;&#039;include details if the known biological half life is compound specific&#039;&#039;]&lt;br&gt; Use Cases:[&#039;&#039;include brief discussion or link out to applicable scope of practice page&#039;&#039;]&lt;br&gt; =2. Hazard Characterization= ==Radiological Hazards== Type...&quot;</title>
		<link rel="alternate" type="text/html" href="https://curieatingsafety.org/wiki/index.php?title=Iodine-131&amp;diff=169&amp;oldid=prev"/>
		<updated>2026-01-26T00:34:26Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;h1&amp;gt;Iodine-131&amp;lt;/h1&amp;gt;  =1. Isotope Basics= Isotope name:&amp;lt;br&amp;gt; Symbol / mass number:&amp;lt;br&amp;gt; Decay mode(s):&amp;lt;br&amp;gt; Decay products:[&amp;#039;&amp;#039;include limited discussions on daughter hazards or link out to them&amp;#039;&amp;#039;]&amp;lt;br&amp;gt; Physical half-life:&amp;lt;br&amp;gt; Biological half-life:[&amp;#039;&amp;#039;include details if the known biological half life is compound specific&amp;#039;&amp;#039;]&amp;lt;br&amp;gt; Use Cases:[&amp;#039;&amp;#039;include brief discussion or link out to applicable scope of practice page&amp;#039;&amp;#039;]&amp;lt;br&amp;gt; =2. Hazard Characterization= ==Radiological Hazards== Type...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;h1&amp;gt;Iodine-131&amp;lt;/h1&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=1. Isotope Basics=&lt;br /&gt;
Isotope name:&amp;lt;br&amp;gt;&lt;br /&gt;
Symbol / mass number:&amp;lt;br&amp;gt;&lt;br /&gt;
Decay mode(s):&amp;lt;br&amp;gt;&lt;br /&gt;
Decay products:[&amp;#039;&amp;#039;include limited discussions on daughter hazards or link out to them&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Physical half-life:&amp;lt;br&amp;gt;&lt;br /&gt;
Biological half-life:[&amp;#039;&amp;#039;include details if the known biological half life is compound specific&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Use Cases:[&amp;#039;&amp;#039;include brief discussion or link out to applicable scope of practice page&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
=2. Hazard Characterization=&lt;br /&gt;
==Radiological Hazards==&lt;br /&gt;
Type of radiation emitted:&amp;lt;br&amp;gt;&lt;br /&gt;
Radiation energy(ies):&amp;lt;br&amp;gt;&lt;br /&gt;
External exposure risk: [&amp;#039;&amp;#039;low / moderate / high&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Internal exposure risk: [&amp;#039;&amp;#039;inhalation, ingestion, absorption&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Critical organs / tissues:&amp;lt;br&amp;gt;&lt;br /&gt;
Committed dose concerns:&amp;lt;br&amp;gt;&lt;br /&gt;
==Non-radiological Hazards==&lt;br /&gt;
Chemical toxicity:&amp;lt;br&amp;gt;&lt;br /&gt;
Volatility / flammability:&amp;lt;br&amp;gt;&lt;br /&gt;
Corrosiveness:&amp;lt;br&amp;gt;&lt;br /&gt;
Biological activity: [&amp;#039;&amp;#039;e.g., radiopharmaceuticals&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
=3. Exposure Pathways=&lt;br /&gt;
External exposure:&amp;lt;br&amp;gt;&lt;br /&gt;
Inhalation:&amp;lt;br&amp;gt;&lt;br /&gt;
Ingestion:&amp;lt;br&amp;gt;&lt;br /&gt;
Skin contamination / absorption:&amp;lt;br&amp;gt;&lt;br /&gt;
Injection / wounds:&amp;lt;br&amp;gt;&lt;br /&gt;
=4. Regulatory &amp;amp; Administrative Controls=&lt;br /&gt;
Applicable regulations / licenses:&amp;lt;br&amp;gt;&lt;br /&gt;
Authorized users required:&amp;lt;br&amp;gt;&lt;br /&gt;
Activity limits per user / room:&amp;lt;br&amp;gt;&lt;br /&gt;
Training requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
Posting and labeling requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
Record-keeping requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
=5. Detection &amp;amp; Monitoring=&lt;br /&gt;
==Area monitoring&amp;lt;br&amp;gt;==&lt;br /&gt;
Recommended survey instrument(s):&amp;lt;br&amp;gt;&lt;br /&gt;
Detection efficiency for this isotope:&amp;lt;br&amp;gt;&lt;br /&gt;
Typical background levels:&amp;lt;br&amp;gt;&lt;br /&gt;
==Personal monitoring:&amp;lt;br&amp;gt;==&lt;br /&gt;
Dosimetry:&amp;lt;br&amp;gt;&lt;br /&gt;
Bioassay requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
Monitoring frequency:&amp;lt;br&amp;gt;&lt;br /&gt;
==Contamination monitoring==&lt;br /&gt;
Direct survey vs wipe tests:&amp;lt;br&amp;gt;&lt;br /&gt;
Detection limits and action levels:&amp;lt;br&amp;gt;&lt;br /&gt;
=6. ALARA=&lt;br /&gt;
==Time==&lt;br /&gt;
==Distance==&lt;br /&gt;
Use of remote handling tools:[&amp;#039;&amp;#039;tongs, syringe shields, etc.&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Minimum distance precautions:&amp;lt;br&amp;gt;&lt;br /&gt;
==Shielding==&lt;br /&gt;
Primary radiation to shield:&amp;lt;br&amp;gt;&lt;br /&gt;
Recommended shielding material(s):&amp;lt;br&amp;gt;&lt;br /&gt;
Typical thicknesses:&amp;lt;br&amp;gt;&lt;br /&gt;
Bremsstrahlung considerations:&amp;lt;br&amp;gt;&lt;br /&gt;
Shielding for storage vs handling:&amp;lt;br&amp;gt;&lt;br /&gt;
=7. Handling &amp;amp; Work Practices=&lt;br /&gt;
Designated work areas:&amp;lt;br&amp;gt;&lt;br /&gt;
Containment:[&amp;#039;&amp;#039;fume hood, glove box, hot cell&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Personal protective equipment:&amp;lt;br&amp;gt;&lt;br /&gt;
:Lab coat:&amp;lt;br&amp;gt;&lt;br /&gt;
:Gloves:[&amp;#039;&amp;#039;type and change frequency&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
:Eye / face protection:&amp;lt;br&amp;gt;&lt;br /&gt;
Labeling during use:&amp;lt;br&amp;gt;&lt;br /&gt;
=8. Storage=&lt;br /&gt;
Shielded storage container description:&amp;lt;br&amp;gt;&lt;br /&gt;
Secondary containment:&amp;lt;br&amp;gt;&lt;br /&gt;
Security requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
Labeling:[&amp;#039;&amp;#039;isotope, activity, date&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
Ventilation requirements:[&amp;#039;&amp;#039;if volatile&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
=9. Transport=&lt;br /&gt;
Approved containers:&amp;lt;br&amp;gt;&lt;br /&gt;
Shielding during transport:&amp;lt;br&amp;gt;&lt;br /&gt;
Labeling and documentation:&amp;lt;br&amp;gt;&lt;br /&gt;
Spill prevention measures:&amp;lt;br&amp;gt;&lt;br /&gt;
=10. Waste Management=&lt;br /&gt;
Waste type:&amp;lt;br&amp;gt;&lt;br /&gt;
Segregation requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
Shielding of waste containers:&amp;lt;br&amp;gt;&lt;br /&gt;
Decay-in-storage criteria:&amp;lt;br&amp;gt;&lt;br /&gt;
Disposal route and documentation:&amp;lt;br&amp;gt;&lt;br /&gt;
=11. Decontamination Procedures=&lt;br /&gt;
Approved cleaning agents:&amp;lt;br&amp;gt;&lt;br /&gt;
Surface decontamination methods:&amp;lt;br&amp;gt;&lt;br /&gt;
Verification of decontamination:&amp;lt;br&amp;gt;&lt;br /&gt;
Documentation requirements:&amp;lt;br&amp;gt;&lt;br /&gt;
=12. Emergency Procedures=&lt;br /&gt;
Spills:&amp;lt;br&amp;gt;&lt;br /&gt;
Personnel contamination:&amp;lt;br&amp;gt;&lt;br /&gt;
:Skin contamination&amp;lt;br&amp;gt;&lt;br /&gt;
:Eye exposure&amp;lt;br&amp;gt;&lt;br /&gt;
:Internal uptake&amp;lt;br&amp;gt;&lt;br /&gt;
Exposure incidents:&amp;lt;br&amp;gt;&lt;br /&gt;
:Dose assessment process&amp;lt;br&amp;gt;&lt;br /&gt;
:Medical follow-up&amp;lt;br&amp;gt;&lt;br /&gt;
:Reporting requirements&amp;lt;br&amp;gt;&lt;br /&gt;
=13. Special Considerations=&lt;br /&gt;
Volatility:[&amp;#039;&amp;#039;e.g., iodine, tritium&amp;#039;&amp;#039;]&amp;lt;br&amp;gt;&lt;br /&gt;
High-energy gamma emitters:&amp;lt;br&amp;gt;&lt;br /&gt;
Short half-life operational challenges:&amp;lt;br&amp;gt;&lt;br /&gt;
Daughter product buildup:&amp;lt;br&amp;gt;&lt;br /&gt;
Activation products:&amp;lt;br&amp;gt;&lt;br /&gt;
=14. References &amp;amp; Supporting Documents=&lt;br /&gt;
Safety data sheets:&amp;lt;br&amp;gt;&lt;br /&gt;
Regulatory guidance documents:&amp;lt;br&amp;gt;&lt;br /&gt;
Institutional SOPs:&amp;lt;br&amp;gt;&lt;br /&gt;
Dosimetry or biokinetic models:&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:Isotopes]]&lt;/div&gt;</summary>
		<author><name>Illirem</name></author>
	</entry>
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