diff --git a/src/app/commercial-hvac/central-plant/boiler/boiler.component.html b/src/app/commercial-hvac/central-plant/boiler/boiler.component.html
index ee96788..15c69f1 100644
--- a/src/app/commercial-hvac/central-plant/boiler/boiler.component.html
+++ b/src/app/commercial-hvac/central-plant/boiler/boiler.component.html
@@ -149,7 +149,7 @@ <h1>{{ title }}</h1>
 
 <h2>Sources</h2>
 <ul>
-  <li><a href="https://www.energy.gov/sites/default/files/2024-04/Large%20Building%20Boiler%20Electrification%20Guidance.pdf">Large Commercial Building Boiler Electrification Guide</a>, U.S. Department of Energy​</li>
+  <li><a href="https://www.energy.gov/sites/default/files/2024-04/Large%20Building%20Boiler%20Electrification%20Guidance.pdf">Large Commercial Building Boiler Electrification Guide</a>, U.S. Department of Energy</li>
   <li><a href="https://www.csemag.com/articles/boilers-types-applications-and-efficiencies/">Boilers: Types, Applications, and Efficiencies</a></li>
   <li><a href="https://www.csemag.com/articles/boiler-systems-economics-and-efficiencies/">Boiler Systems: Economics and Efficiencies</a></li>
   <li><a href="https://betterbricks.com/resources/boilers">Boilers</a></li>
diff --git a/src/app/commercial-hvac/central-plant/cool-thermal-energy-storage/cool-thermal-energy-storage.component.html b/src/app/commercial-hvac/central-plant/cool-thermal-energy-storage/cool-thermal-energy-storage.component.html
index 3691758..9a04d84 100644
--- a/src/app/commercial-hvac/central-plant/cool-thermal-energy-storage/cool-thermal-energy-storage.component.html
+++ b/src/app/commercial-hvac/central-plant/cool-thermal-energy-storage/cool-thermal-energy-storage.component.html
@@ -13,4 +13,4 @@ <h1>{{ title }}</h1>
 <p>Refer to <a href="https://www.energy.gov/sites/prod/files/2020/02/f71/bto-IceStorageWebinar-011620.pdf">Thermal Energy Storage Webinar Series Ice Thermal Energy Storage</a> from the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy.</p>
 
 <h2>Resources</h2>
-<p><a href="https://www.techstreet.com/ashrae/standards/ashrae-design-guide-for-cool-thermal-storage-2nd-ed?product_id=2046532">ASHRAE Design Guide for Cool Thermal Storage</a></p>
+<p><a href="https://store.accuristech.com/ashrae/standards/ashrae-design-guide-for-cool-thermal-storage-2nd-ed?product_id=2046532">ASHRAE Design Guide for Cool Thermal Storage</a></p>
diff --git a/src/app/laboratories/distribution/ahu/alternate-hvac/alternate-hvac.component.html b/src/app/laboratories/distribution/ahu/alternate-hvac/alternate-hvac.component.html
index 8c22b52..a05319b 100644
--- a/src/app/laboratories/distribution/ahu/alternate-hvac/alternate-hvac.component.html
+++ b/src/app/laboratories/distribution/ahu/alternate-hvac/alternate-hvac.component.html
@@ -17,7 +17,7 @@ <h2>Minimizing Reheat in Laboratories</h2>
   <li><strong>Dual-duct with terminal heating (DDTH):</strong> Two separate variable volume supply air streams. Ones with tempered air, and one with cool air, typically around 55&deg;F. A mixing box just upstream of a lab's supply diffusers will adjust airflows from these two air streams based on the space temperature. More cold air will be used as the cooling load in the space increases. DDTH system can be more expensive than other system options and therefore are seldom used.</li>
 </ul>
 
-<p>More information can be found in the document <a href="https://www.osti.gov/servlets/purl/923197​">Minimizing Reheat Energy Use in Laboratories</a>.</p>
+<p>More information can be found in the document <a href="https://www.osti.gov/biblio/923197">Minimizing Reheat Energy Use in Laboratories</a>.</p>
 
 <h2>References</h2>
 <ul>