Common use of DEADLINE FOR RESPONSE Clause in Contracts

DEADLINE FOR RESPONSE. [DATE] (1) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean Harbors, Inc. (the “Company”) 75/8% Senior Secured Notes due 2016 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean Harbors, Inc., ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇).

DEADLINE FOR RESPONSE. [DATE] (1) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean Harbors, Inc. ▇▇▇▇▇▇▇ Company (the “Company”) 75/85.625% Senior Secured Notes due 2016 2025 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 1933, as amended for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean Harbors▇▇▇▇▇▇▇ Company, Inc., ▇70▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇, ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-, Attention: ▇▇▇▇▇▇ ▇▇▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇763) ▇▇▇-▇▇▇▇513 - 2120).

DEADLINE FOR RESPONSE. [DATE] (1) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean Harbors, Inc. (the “Company”) 75/85.25% Senior Secured Notes due 2016 2020 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean Harbors, Inc., ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇).

DEADLINE FOR RESPONSE. [DATE] (1) * The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean HarborsiHeartCommunications, Inc. (the “Company”) 75/811.25% Senior Secured Priority Guarantee Notes due 2016 2021 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean HarborsiHeartCommunications, Inc., ▇▇▇ ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇ ▇▇▇, ▇▇▇ ▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇)General Counsel.

DEADLINE FOR RESPONSE. [DATE] (1a) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean Harbors, Inc. (the “Company”) 75/8% Senior Secured Notes due 2016 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean Harbors, Inc., ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇).

DEADLINE FOR RESPONSE. [DATE] (1) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean Harbors, Inc. (the “Company”) 75/85.125% Senior Secured Notes due 2016 2021 (the “Securities”) are held. The Company is in the process of registering the Securities under the Securities Act of 1933 1933, as amended for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean Harbors, Inc., ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇).

DEADLINE FOR RESPONSE. [DATE] [ ](1a) The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which beneficial interests in the Clean HarborsNuveen Investments, Inc. (the “CompanyIssuer”) 75/8[ ]% Senior Secured Notes due 2016 2015 (the “Securities”) are held. The Company Issuer is in the process of registering the Securities under the Securities Act of 1933 for resale by the beneficial owners thereof. In order to have their Securities included in the registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement depend upon their returning the Notice and Questionnaire by [Deadline For Response[ ]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of the enclosed materials or have any questions pertaining to this matter, please contact Clean HarborsNuveen Investments, Inc., ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Chief Financial Officer, (telephone (▇▇▇) ▇▇▇-▇▇▇▇)[Address and Telephone Number of Issuer].