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<td><a href="https://misportal.jlab.org/ll/index.jsf?function=view&lessonId=1185">Hazard Controls Were Not Appropriately Identified for the Tool Used - Pantex Production Facility</a></td>
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<h2 style="white-space:nowrap">Statement of Lessons Learned</h2>
<pre>Personal Protective Equipment (PPE) and other mitigating controls identified by safety and industrial hygiene professionals can vary depending on equipment used. Appropriately identifying, on work planning documents, the specific type(s) of tool(s) to be used for a task is important so the hazards can be identified and appropriately mitigated. </pre>
<h2 style="white-space:nowrap">Discussion of Activities</h2>
<pre>Craft Workers were assigned to chip out concrete walls to expose concealed rebar. On the Work Order Section 5 - Hand Tools, the use of a chisel was identified. The Industrial Safety & Health (IS&H) review of the Work Order identified the appropriate PPE to be an APF 10 Half-Face Respirator. IS&H also set up monitoring for silica exposure levels for the time period the workers were chiseling the concrete. An investigation was initiated when results from the monitoring returned higher than expected silica levels.
<img src=" https://misportal.jlab.org/ll/downloadAttachment?attachmentId=6549" width="400px"></pre>
<h2 style="white-space:nowrap">Analysis</h2>
<pre>IS&H considered a hand tool to be tools that are non-mechanical and identifies, in the Work Order form Section 5, that Hand Tools include but [are] not limited to hammers, wedges, chisels, pry bars, etc. The section does not specifically state "non-mechanical." The Planning Supervisor, who developed the Work Order, considered hand tools to be any tool held in the hand during operation. The Work Order did not specify how the chisel was being "powered."
The tool used by the Craft Workers was a pneumatic hand-held chisel, which results in higher levels of silica than a manually powered chisel.
The IS&H hazard table in the Work Order identifies APF-10 Half Face Respirators as appropriate for use with a chisel hand tool, but a higher level of protection could be worn. The Craft Workers chose to wear Powered Air Purifying Respirators (PAPR) respirators because they are more comfortable. This was considered appropriate as the PAPR respirators provides a higher level of protection than APF-10 Half Face Respirators without compromising the work activities.
The sample breathing zone results identified silica exposure rated at 428.5 and 540.8 µg/m3 for an 8-hour Time Weighted Average (TWA). This exceeds the silica occupational exposure limit of 25.0 µg/m3 TWA. The PAPRs the workers chose to wear protected them up to 25000 µg/m3. If the Craft Workers had worn the APF-10 Half-Face respirators, they would not have been adequately protected from the resulting silica exposure levels monitored during the work.
</pre>
<h2 style="white-space:nowrap">Recommended Actions</h2>
<pre>Future Work Orders will require that the specific tool be identified.
Hand Tools are to be defined as tools which are manually powered.
Any power tool's power source is to be be identified on the Work Order: i.e. electric, pneumatic, liquid fuel, hydraulic, and power-actuated.
</pre>
<h2 style="white-space:nowrap">JLab Preventive Measures</h2>
<pre></pre>
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<h2>Comments</h2>
<h5 style="white-space:nowrap">8/12/2022 8:47:29 AM by Bailey, Mary Jo</h5>
<pre>Submitted to those current in:
SAF502: Forklift Operator
SAF138: Silica Safety</pre>
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<legend>Summary</legend>
<table>
<tr class="row">
<td class="label" nowrap>Lesson ID:</td>
<td class="dataval">1185</td>
</tr>
<tr class="row">
<td class="label" nowrap>Status:</td>
<td class="dataval">OK</td>
</tr>
<tr class="row">
<td class="label" nowrap>Doc ID:</td>
<td class="dataval">2022-JLAB-1185</td>
</tr>
<tr class="row">
<td class="label" nowrap>Priority:</td>
<td class="dataval">Caution</td>
</tr>
<tr class="row">
<td class="label" nowrap>Safety Related:</td>
<td class="dataval">YES</td>
</tr>
<tr class="row">
<td class="label" nowrap>Originator:</td>
<td class="dataval">Bailey, Mary Jo</td>
</tr>
<tr class="row">
<td class="label" nowrap>Issued:</td>
<td class="dataval">8/10/2022 12:53:34 PM</td>
</tr>
<tr class="row">
<td class="label" nowrap>Approved By:</td>
<td class="dataval">Bailey, Mary Jo</td>
</tr>
<tr class="row">
<td class="label" nowrap>Approved On:</td>
<td class="dataval">8/12/2022 8:47:29 AM</td>
</tr>
<tr class="row">
<td class="label">Source:</td>
<td class="dataval">
DOECRD
</td>
</tr>
<tr class="row">
<td class="label" nowrap>Location:</td>
<td class="dataval">Other</td>
</tr>
<tr class="row">
<td class="label" nowrap>Cost Savings:</td>
<td class="dataval"></td>
</tr>
<tr class="row">
<td class="label" nowrap>Contact:</td>
<td class="dataval">: Gary Johnson, Pantex (806) 477-3350</td>
</tr>
<tr class="row">
<td class="label" nowrap>Queued Emails:</td>
<td class="dataval">277</td>
</tr>
<tr class="row">
<td class="label" nowrap>Sent Emails:</td>
<td class="dataval">0</td>
</tr>
<tr class="row">
<td class="label" nowrap>Viewings:</td>
<td class="dataval">2 times</td>
</tr>
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<li><a target="_blank" href="https://misportal.jlab.org/ll/downloadAttachment?attachmentId=6549">Photo - Examples of Hand Held Chisels.jpg</a></li>
<li><a target="_blank" href="downloadAttachment?attachmentId=6566">OPEXShare Pantex - IS&HControls Not Appropriately Identified.pdf</a></li>
</ul>
<hr>
</fieldset>
<fieldset>
<legend>Hazard Issues</legend>
<ul class="lesson_attribute_listing">
<li>Air Contaminants - Hazardous</li>
<li>Machine Tools</li>
<li>Portable Hand Tools</li>
<li>Silica</li>
<li>Stored Energy: Mechanical, Hydraulic, Pneumatic</li>
</ul>
</fieldset>
<fieldset>
<legend>Skills</legend>
<ul class="lesson_attribute_listing">
<li>SAF502: Forklift Operator</li>
<li>SAF138: Silica Safety</li>
</ul>
</fieldset>
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<legend>Distribution/Notification</legend>
<ul class="lesson_attribute_listing">
<li>*Division Safety Officers (DSOs)</li>
<li>*Safety Wardens</li>
<li>*DOE Notification</li>
<li>*ESH&Q Liaisons</li>
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