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    <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                        <a class="menu-item " href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9479">Cover</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9479">Document and Entity Information</a></li>
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                        <a class="menu-item " href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9480">Financial Statements</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9480">Consolidated Balance Sheets</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9481">Consolidated Balance Sheets (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9482">Consolidated Statements of Operations (Unaudited)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9483">Consolidated Statements of Operations (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9484">Consolidated Statements of Comprehensive Income (Loss) (Unaudited)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9485">Consolidated Statement of Stockholders' Equity (Unaudited)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9486">Consolidated Statements of Cash Flows (Unaudited)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9487">Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)</a></li>
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                        <a class="menu-item " href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9488">Notes to Financial Statements</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9488">Basis of Presentation</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9489">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9490">Revenue</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9491">Leases</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9492">Intangible Assets</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9493">Capital Stock, Stock Plans and Stock Based Compensation</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9494">Income (Loss) Per Share</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9495">Long Term Debt</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9496">M&EC</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9497">Commitments and Contingencies</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9498">Discontinued Operations</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9499">Operating Segments</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9500">Income Taxes</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9501">Subsequent Events</a></li>
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                        <a class="menu-item " href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9502">Accounting Policies</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9502">Summary of Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9503">Notes Tables</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9503">Revenue (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9504">Leases (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9505">Intangible Assets (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9506">Capital Stock, Stock Plans and Stock Based Compensation (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9507">Income (Loss) Per Share (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9508">Long Term Debt (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9509">M&EC (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9510">Discontinued Operations (Tables)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9511">Operating Segments (Tables)</a></li>
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                        <a class="menu-item current" href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9512">Notes Details</a>
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                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9512">Summary of Significant Accounting Policies (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9513">Revenue (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9514">Revenue - Schedule of Disaggregation of Revenue (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9515">Revenue - Schedule of Contract Assets and Liabilities (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9516">Leases (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9517">Leases - Schedule of Components of Lease Cost (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9518">Leases - Schedule of Weighted Average Lease (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9519">Leases - Schedule of Operating Lease Liability Maturity (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9520">Leases - Schedule of Finance Lease Liability Maturity (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9521">Leases - Schedule of Supplemental Cash Flow and Other Information Related to Leases (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9522">Intangible Assets (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9523">Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9524">Intangible Assets - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9525">Capital Stock, Stock Plans and Stock Based Compensation (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9526">Capital Stock, Stock Plans and Stock Based Compensation - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9527">Capital Stock, Stock Plans and Stock Based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9528">Capital Stock, Stock Plans and Stock Based Compensation - Schedule of Stock Options Roll Forward (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9529">Capital Stock, Stock Plans and Stock Based Compensation - Schedule of Stock Options Roll Forward (Details) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9530">Income (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9531">Long Term Debt (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9532">Long Term Debt - Schedule of Long-term Debt (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9533">Long Term Debt - Schedule of Long-term Debt (Details) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9534">M&EC (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9535">M&EC - Schedule of Change in Asset Retirement Obligation (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9536">Commitments and Contingencies (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9537">Discontinued Operations (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9538">Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9539">Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9540">Operating Segments (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9541">Operating Segments - Schedule of Segment Reporting Information (Details)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9542">Operating Segments - Schedule of Segment Reporting Information (Details) (Parenthetical)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9543">Income Taxes (Details Narrative)</a></li>
                                                            <li><a href="https://ir.perma-fix.com/all-sec-filings/xbrl_doc_only/9544">Subsequent Events (Details Narrative)</a></li>
                                                    </ul>
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                            </ul>
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    </div>
    <div class="spr-xbrl-document">
        <h4>Subsequent Events (Details Narrative)</h4>
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