<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-06-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001730346</issuerCik>
        <issuerName>Charah Solutions, Inc.</issuerName>
        <issuerTradingSymbol>CHRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743507</rptOwnerCik>
            <rptOwnerName>BCP Energy Services Fund UGP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743508</rptOwnerCik>
            <rptOwnerName>BCP Energy Services Fund GP, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001620883</rptOwnerCik>
            <rptOwnerName>BCP ENERGY SERVICES FUND-A, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
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            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001620882</rptOwnerCik>
            <rptOwnerName>BCP ENERGY SERVICES FUND, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743505</rptOwnerCik>
            <rptOwnerName>Charah Holdings GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743465</rptOwnerCik>
            <rptOwnerName>Charah Holdings LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743809</rptOwnerCik>
            <rptOwnerName>JENKINS JEFFREY SCOTT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940082</rptOwnerCik>
            <rptOwnerName>BERNHARD JAMES M JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2021-06-23</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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            <transactionTimeliness>
                <value></value>
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                    <footnoteId id="F6"/>
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                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2021-06-23</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                    <footnoteId id="F6"/>
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                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-24</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>10412</value>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.32</value>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
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                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F6"/>
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                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
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                    <footnoteId id="F2"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
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        </nonDerivativeTransaction>
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            <securityTitle>
                <value>Common Stock</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F6"/>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
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                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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                <value>2021-06-25</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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                <footnoteId id="F6"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>4842</value>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>See Footnotes</value>
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                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>12043</value>
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                <transactionPricePerShare>
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                    <footnoteId id="F6"/>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>See Footnotes</value>
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                    <footnoteId id="F2"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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                <value>2021-06-25</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>8691</value>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.17</value>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F6"/>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5205617</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">BCP Energy Services Fund UGP, LLC (&quot;BCP Energy Services Fund UGP &quot;) is the sole general partner of BCP Energy Services Fund GP, LP (&quot;BCP Energy Services Fund GP &quot;), which is the sole general partner of both BCP Energy Services Fund, LP (&quot;BCP Energy Services Fund&quot;) and BCP Energy Services Fund-A, LP (&quot;BCP Energy Services Fund-A&quot;). BCP Energy Services Fund, LP and BCP Energy Services Fund-A, LP have dispositive voting power over Charah Holdings GP LLC (&quot;Charah Holdings GP&quot;), which is the sole general partner of Charah Holdings LP (&quot;Charah Holdings&quot;). BCP Energy Services Fund UGP is managed by J.M. Bernhard, Jr. and Jeffrey Jenkins. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), (i) each of Messrs. Bernhard and Jenkins, BCP Energy Services Fund UGP and BCP Energy Services Fund GP may be deemed to have an indirect pecuniary interest in the securities held directly by Charah Holdings,</footnote>
        <footnote id="F2">(Continued from footnote 1) BCP Energy Services Fund and BCP Energy Services Fund-A and each of BCP Energy Services Fund and BCP Energy Services Fund-A may be deemed to have an indirect pecuniary interest in the securities held directly by Charah Holdings. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Charah Holdings, BCP Energy Services Fund and BCP Energy Services Fund-A are reported herein. Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein.</footnote>
        <footnote id="F3">Shares held directly by Charah Holdings LP.</footnote>
        <footnote id="F4">Shares held directly by BCP Energy Services Fund-A, LP.</footnote>
        <footnote id="F5">Shares held directly by BCP Energy Services Fund, LP.</footnote>
        <footnote id="F6">Represents shares of common stock, par value $0.01, sold by such Reporting Person in open market transactions pursuant to a Rule 10b5-1 plan under the Securities Act of 1934, as amended, and as a selling stockholder pursuant to a registration statement on Form S-3 (Registration No. 333-256047), filed with the Securities and Exchange Commission by the Issuer on May 12, 2021.</footnote>
    </footnotes>

    <remarks>Charah Holdings, BCP Energy Services Fund and BCP Energy Services Fund-A are parties to a Stockholders' Agreement (the &quot;Stockholders' Agreement&quot;), pursuant to which Charah Holdings, BCP Energy Services Fund and BCP Energy Services Fund-A have the right to nominate designees to the Board of Directors of the Issuer, subject to ownership thresholds set forth in the Stockholders' Agreement. As a result, each Reporting Person herein may be deemed a director by deputization for the purposes of Section 16 of the Exchange Act. In addition, the Reporting Persons may be deemed to be members of a group holding over 10% of the outstanding common stock of the Issuer for the purposes of Section 13(d)(3) of the Exchange Act.</remarks>

    <ownerSignature>
        <signatureName>BCP Energy Services Fund UGP, LLC, By: Jeffrey Jenkins, Authorized Person; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>BCP Energy Services Fund GP, LP, By: BCP Energy Services Fund UGP, LLC, its general partner, By: Jeffrey Jenkins, Authorized Person; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>BCP Energy Services Fund-A, LP, By: BCP Energy Services Fund GP, LP, its general partner, By: BCP Energy Services Fund UGP, LLC, its general partner, By: Jeffrey Jenkins, Authorized Person; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>BCP Energy Services Fund, LP, By: BCP Energy Services Fund GP, LP, its general partner, By: BCP Energy Services Fund UGP, LLC, its general partner, By: Jeffrey Jenkins, Authorized Person; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Charah Holdings GP LLC, By: Mark Spender, Authorized Person; /s/ Mark Spender</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Charah Holdings LP, By: Charah Holdings GP LLC, its general partner, By: Mark Spender, Authorized Person; /s/ Mark Spender</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>James Bernhard; /s/ James Bernhard</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Jeffrey Jenkins; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2021-06-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
