September 10, 2019

Jeffrey Feeler
President and Chief Executive Officer
US Ecology Parent, Inc.
101 S. Capitol Blvd., Suite 1000
Boise, Idaho 83702

       Re: US Ecology Parent, Inc.
           Amendment No. 1 to Registration Statement on Form S-4
           File No. 333-232930
           September 3, 2019

Dear Mr. Feeler:

       We have reviewed your registration statement and have the following
comments. In
some of our comments, we may ask you to provide us with information so we may
better
understand your disclosure.

       Please respond to this letter by amending your registration statement
and providing the
requested information. If you do not believe our comments apply to your facts
and
circumstances or do not believe an amendment is appropriate, please tell us why
in your
response.

       After reviewing any amendment to your registration statement and the
information you
provide in response to these comments, we may have additional comments.

Form S-4/A filed September 3, 2019

Interests of NRCG Directors and Executive Officers in the Mergers, page 21

1.     We note your revised disclosure sends investors to "The
Mergers--Interests of NRCG
       Directors and Executive Officers in the Mergers" for more information.
However, this
       section contains less information than the summary. Please revise the
cross-reference as
       appropriate.
Note 2. Calculation of Estimated Merger Consideration and Preliminary Purchase
Price
Allocation, page 172

2.     Please provide more detail regarding the significant assumptions used in
the multi-period
       excess earnings method of calculating the preliminary fair value of
noncontractual
       customer relationships. Please clarify, if true, that the amount of
projected cash flows
 Jeffrey Feeler
US Ecology Parent, Inc.
September 10, 2019
Page 2
         attributable to NRC Group's existing customers is a significant
assumption. Tell us how
         you determined each significant input, if a range of inputs were
considered, and the
         magnitude of the impact on the customer relationships value if other
inputs within the
         range, if any, had been used.



        We remind you that the company and its management are responsible for
the accuracy
and adequacy of their disclosures, notwithstanding any review, comments, action
or absence of
action by the staff.

       Refer to Rules 460 and 461 regarding requests for acceleration. Please
allow adequate
time for us to review any amendment prior to the requested effective date of
the registration
statement.

        You may contact Tracey Houser, Staff Accountant, at (202) 551-3736 or
Terence
O'Brien, Accounting Branch Chief, at (202) 551-3355 if you have questions
regarding comments
on the financial statements and related matters. Please contact Kate McHale,
Staff Attorney, at
(202) 551-3464 or Jay Ingram, Legal Branch Chief, at (202) 551-3397 with any
other questions.



                                                             Sincerely,
FirstName LastNameJeffrey Feeler
                                                             Division of
Corporation Finance
Comapany NameUS Ecology Parent, Inc.
                                                             Office of
Manufacturing and
September 10, 2019 Page 2                                    Construction
FirstName LastName