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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant to Section&nbsp;13 or 15(d)&nbsp;of The Securities Exchange Act of 1934</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of earliest event reported): <b><font style="font-weight:bold;">September&nbsp;24</font>, 2013</b></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">CLEAN HARBORS,&nbsp;INC.</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in its charter)</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Massachusetts</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">001-34223</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">04-2997780</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other jurisdiction</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">File Number)</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification No.)</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">42 Longwater Drive, Norwell,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Massachusetts</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">02061-9149</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registrant&#146;s telephone number, including area code <b>(781) 792-5000</b></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Not Applicable</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Former name or former address, if changed since last report.)</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;"> Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;"> Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;"> Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b))</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;"> Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
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<p style="margin:0in 0in .0001pt .75in;text-indent:-.75in;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item&nbsp;5.02</font></u><font size="2" style="font-size:10.0pt;">.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u><font size="2" style="font-size:10.0pt;">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</font></u></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On September&nbsp;26, 2013, Clean Harbors,&nbsp;Inc. (the &#147;Company&#148;) announced the appointment of Michael Battles as the Company&#146;s Chief Accounting Officer, effective as of September 24, 2013.&#160; The press release announcing Mr.&nbsp;Battles&#146; appointment is furnished as Exhibit&nbsp;99 to this Form&nbsp;8-K.&#160; Mr.&nbsp;Battles will also serve as the Company&#146;s Senior Vice President and Corporate Controller.&#160; For the past 12 years, Mr.&nbsp;Battles has served in a variety of senior financial positions at PerkinElmer Inc., a global leader in human and environmental health. Most recently, he was Vice President and Chief Financial Officer of PerkinElmer&#146;s Human Health business. He directed the financial planning across each of the business units within Human Health driving operating performance. Prior to his role in Human Health, he served as Chief Accounting Officer for several years and Acting Chief Financial Officer during a one-year search period.</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The terms of Mr.&nbsp;Battles&#146; employment with the Company are set forth in an accepted employment offer letter.&#160; In addition to eligibility for the Company&#146;s standard benefits, Mr.&nbsp;Battles will be eligible to receive bonuses under the Company&#146;s Management Incentive Plan (&#147;MIP&#148;) and an Individual Bonus Plan and to participate in the Company&#146;s Performance-Based Restricted Stock Program and Time-Based Restricted Stock Program.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">There are no arrangements or understandings between Mr.&nbsp;Battles and any other person pursuant to which Mr.&nbsp;Battles was selected as an officer of the Company.&#160; Mr.&nbsp;Battles does not have any family relationship with any director or officer of the Company.&#160; Mr.&nbsp;Battles does not have any direct or indirect interest in any transaction required to be disclosed pursuant to Item 404(a)&nbsp;of Regulation S-K.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Effective as of the date of Mr.&nbsp;Battles&#146; appointment, John R. Beals, who, prior to such time, was the Company&#146;s Chief Accounting Officer and Corporate Controller, will relinquish such roles.&#160; Mr.&nbsp;Beals will serve as the Company&#146;s Senior Vice President, Finance and assist with the transition in a full-time capacity through mid-2014.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Company is disclosing this information in accordance with Items 5.02(b)&nbsp;and (c)&nbsp;of Form&nbsp;8-K.</font></p>
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<p style="margin:0in 0in .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 9.01</font></u><font size="2" style="font-size:10.0pt;">.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u><font size="2" style="font-size:10.0pt;">Financial Statements and Exhibits</font></u><font size="2" style="font-size:10.0pt;">.</font></p>
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<p style="margin:0in 0in .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibits</font></u><font size="2" style="font-size:10.0pt;">. The   following exhibits are being filed or furnished herewith:</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.55   </font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Michael   Battles accepted offer letter effective as of September&nbsp;24, 2013.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1   </font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press   release of Clean Harbors,&nbsp;Inc. issued September&nbsp;26, 2013: Clean   Harbors Names Michael Battles SVP, Corporate Controller and Chief Accounting   Officer.</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2<a name="PB_2_230753_7056"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Clean   Harbors,&nbsp;Inc.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant)</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September&nbsp;30,   2013</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   James M. Rutledge</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">James   M. Rutledge, </font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice   Chairman, President and Chief Financial Officer</font></p>    </td>   </tr>  </table>
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{"company-data": {"conformed-name": "CLEAN HARBORS INC", "cik": "0000822818", "assigned-sic": "4955", "irs-number": "042997780", "state-of-incorporation": "MA", "fiscal-year-end": "1211"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34223", "film-number": "131122362"}, "business-address": {"street1": "42 LONGWATER DRIVE", "street2": "P.O. BOX 9149", "city": "NORWELL", "state": "MA", "zip": "02061-9149", "phone": "781-792-5000"}, "mail-address": {"street1": "42 LONGWATER DRIVE", "city": "NORWELL", "state": "MA", "zip": "02061-9149"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
September 24
, 2013
CLEAN HARBORS, INC.
(Exact name of registrant as specified in its charter)
Massachusetts
001-34223
04-2997780
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
42 Longwater Drive, Norwell,
Massachusetts
02061-9149
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area code
(781) 792-5000
Not Applicable
(Former name or former address, if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.02
.
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On September 26, 2013, Clean Harbors, Inc. (the "Company") announced the appointment of Michael Battles as the Company's Chief Accounting Officer, effective as of September 24, 2013.  The press release announcing Mr. Battles' appointment is furnished as Exhibit 99 to this Form 8-K.  Mr. Battles will also serve as the Company's Senior Vice President and Corporate Controller.  For the past 12 years, Mr. Battles has served in a variety of senior financial positions at PerkinElmer Inc., a global leader in human and environmental health. Most recently, he was Vice President and Chief Financial Officer of PerkinElmer's Human Health business. He directed the financial planning across each of the business units within Human Health driving operating performance. Prior to his role in Human Health, he served as Chief Accounting Officer for several years and Acting Chief Financial Officer during a one-year search period.
The terms of Mr. Battles' employment with the Company are set forth in an accepted employment offer letter.  In addition to eligibility for the Company's standard benefits, Mr. Battles will be eligible to receive bonuses under the Company's Management Incentive Plan ("MIP") and an Individual Bonus Plan and to participate in the Company's Performance-Based Restricted Stock Program and Time-Based Restricted Stock Program.
There are no arrangements or understandings between Mr. Battles and any other person pursuant to which Mr. Battles was selected as an officer of the Company.  Mr. Battles does not have any family relationship with any director or officer of the Company.  Mr. Battles does not have any direct or indirect interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.
Effective as of the date of Mr. Battles' appointment, John R. Beals, who, prior to such time, was the Company's Chief Accounting Officer and Corporate Controller, will relinquish such roles.  Mr. Beals will serve as the Company's Senior Vice President, Finance and assist with the transition in a full-time capacity through mid-2014.
The Company is disclosing this information in accordance with Items 5.02(b) and (c) of Form 8-K.
Item 9.01
.
Financial Statements and Exhibits
.
(d)
Exhibits
. The   following exhibits are being filed or furnished herewith:
10.55
Michael   Battles accepted offer letter effective as of September 24, 2013.
99.1
Press   release of Clean Harbors, Inc. issued September 26, 2013: Clean   Harbors Names Michael Battles SVP, Corporate Controller and Chief Accounting   Officer.
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SIGNATURES
Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Clean   Harbors, Inc.
(Registrant)
September 30,   2013
/s/   James M. Rutledge
James   M. Rutledge,
Vice   Chairman, President and Chief Financial Officer
3