Document:

This Promissory Note
has been acquired for investment purposes only and shall not be transferred without the prior written consent of Maker.

 

The Obligations, as
defined below, are subordinated to the Senior Lender, as defined below, in the manner set forth below.

 

Subordinated Promissory
Note

 

	$250,000	Cincinnati, Ohio
December 27, 2012

 

FOR
VALUE RECEIVED, EQM Technologies & Energy, Inc., a Delaware corporation (“Maker”), promises to pay to Daniel Sandoval
(“Payee”), at such place as Payee may designate, the principal sum of Two Hundred Fifty Thousand Dollars ($250,000),
together with interest accruing from the date of this Promissory Note (“Note”) on the unpaid principal balance at a rate
equal to five percent (5%) per annum (“Interest”). This Note represents partial payment by the Maker to the Payee for
the purchase by the Maker of all of the outstanding shares of stock of Vertterre Corp. (“Vertterre”), a New Mexico corporation,
pursuant to a Stock Purchase Agreement by and between Maker and Payee dated as of December 27, 2012 (the “Purchase Agreement”).

 

The
principal amount of this Note shall be paid in one installment, plus accrued Interest, on December 27, 2015 (the “Maturity
Date”). All payments under this Note shall be made in lawful money of the United States in same day funds to Payee at such
address as directed by Payee.

 

Maker
may prepay all or any portion of the principal amount hereof, together with interest accrued on the principal amount prepaid but
excluding the date of prepayment, without penalty or premium. Any such prepayment shall be applied to accrued interest first, and
then to principal.

 

As
provided in Section 2.02(b) of the Purchase Agreement, upon notice to Payee specifying in reasonable detail the basis for such
set-off, Maker may set off any amounts to which it may be entitled under Sections 6.03 or 7.02 of the Purchase Agreement against
an amount otherwise payable under this Note. The exercise of such right of set-off by Maker in good faith, whether or not ultimately
determined to be justified, will not constitute an event of default under this Note or under the Purchase Agreement. Neither the
exercise of nor the failure to exercise such right of set-off by Maker will constitute an election of remedies or limit Maker in
any manner in the enforcement of any other remedies that may be available to it.

 

If
(a) any payment of principal or interest is not paid when due or (b) Maker commences any voluntary case under the federal
bankruptcy laws or files a petition seeking winding up or composition of debts or consents to any petition filed against it
in any involuntary proceeding under any such bankruptcy or insolvency laws (or fails to have any such petition dismissed
within sixty (60) days of commencement) or if any other granting of relief requested in such case shall be entered (each
event referred to in clause (a) or (b), an “Event of Default”), this Note shall be in default and, at the option
of Payee, become immediately due and payable.

 

This
Note shall be subject to, and governed by, the internal substantive laws of the State of Ohio, without regard to conflict of law
principles. In the event that any day on which any payment is required to be made hereunder is not a business date, such payment
shall be made on the next succeeding day which is a business day. Payee may not assign this Note, in whole or in part, without
Maker’s prior written consent. Subject to this limitation, this Note will bind Maker and its successors and assigns, and will inure
to the benefit of Payee and his successors and assigns.

 

    	 

    	 

    

 

Maker
expressly waives presentment of notice, notice of dishonor, protest and notice of protest and agrees that the time for the payment
or payments of any part of this Note may be extended, without releasing or otherwise affecting Maker’s liability on this Note.
The extension of this Note shall not affect or constitute a waiver of Payee’s rights to exercise any option, enforce any right,
or seek any remedy with respect to any default under any document entered into in connection with the loan evidenced by this Note.

 

All
notices, waivers and other communications required or permitted by this Note shall be in writing and shall be deemed given to a
party when (a) delivered to the appropriate address by hand or by nationally recognized overnight courier service (costs prepaid);
(b) sent by facsimile or e-mail with confirmation of transmission by the transmitting equipment; or (c) received or rejected by
the addressee, if sent by certified mail, return receipt requested, in each case to the address, facsimile numbers or e-mail addresses
designated in this Note and to the attention of the person (by name or title) designated herein or signing on behalf of such person
or entity (or to such other address, facsimile number, e-mail address or person as a party may designate by notice to other parties.)

 

If
any provision (or any part of any provision) contained in this Note shall for any reason be held or deemed to be invalid or legally
unenforceable in any respect, such invalidity, or illegality or unenforceability shall not affect any other provision (or remain
part of the affected provision) of this Note and this Note shall be construed as if such invalid, illegal or unenforceable provision
(or part thereof) had never been contained herein and the remaining provisions of this Note shall remain in force and effect.

 

If,
from any circumstances whatsoever, the fulfillment of any provision of this Note involves transcending the limit of validity described
by any applicable usury statute or any other applicable law, with regard to obligations of like character and amount, then the
obligations to be fulfilled will be reduced to the limit of such validity as provided in such statute or law so that in no event
shall any exaction of interest be possible under this Note in excess of the limit of such validity. In no event shall Maker be
bound to pay interest of more than the legal limit for the use, forbearance or detention of money and the right to demand any such
excess is hereby expressly waived by Payee.

 

Notwithstanding anything herein to the contrary, the obligations, indebtedness and liabilities evidenced
by this Note (collectively, the “Obligations”) are subordinated to the prior payment-in-full of all existing debt and
other obligations of Maker, including, but not limited to obligations arising pursuant to, and to the extent provided in, any loan
documents, promissory notes, guarantees, security agreements or other instruments (collectively, “Loan Documents”) in
favor of First Financial Bank, N.A. (together with its successors and assigns, or any lender that refinances First Financial Bank,
N.A., together with any other holders of such obligations identified herein, the ’’Senior Lender”). Notwithstanding the foregoing,
so long as no default, event of default then exists under any Loan Document, and none would be created by payment of the Obligations,
Maker may pay the Obligations on or after the Maturity Date. The Obligations are, and shall remain, unsecured. This Note may not
be modified other than with the express written consent of Senior Lender.

 

The undersigned has executed
this Note as of the date and year first above written.

 

 

	 	EQM Technologies & Energy, Inc.
	 	 
	 	 
	 	By: 	/s/ James E. Wendle
	 	Name:	James E. Wendle
	 	Title:	President and Chief Operating Officer
	 	 	 
	 	Address:	1800 Carillon Boulevard
	 	 	Cincinnati, Ohio 45246
	 	Facsimile:	513-825-7495
	 	email:	jwendle@eqm.comExhibit 10.10

 

The following current officers have entered
into the attached Form Stay Put Bonus Agreement (the “Agreement”) as of October 8, 2012. The amounts payable to each
such officer under the Agreement if the Company “Closes a Transaction” (as defined in the Agreement) are set forth
on the table below.

 

	Name	 	Stay Bonus Multiplier or 
Amount	 	 	2012 Monthly Base Salary	 	 	Stay Bonus Amount	 
	Andy Choy	 	 	5	x	 	$	37,500	 	 	$	187,500	 
	Paul Roshetko	 	$	25,000	 	 	 	N/A	 	 	$	25,000	 
	Tullio Marchionne	 	 	5	x	 	$	16,667	 	 	$	83,333	 
	Noah Acres	 	 	2	x	 	$	20,833	 	 	$	41,667	 
	Johannes Franken	 	 	4	x	 	$	14,167	 	 	$	56,667	 

 

    	1

    	 

    

 

STAY PUT BONUS AGREEMENT

 

This STAY PUT BONUS AGREEMENT (this
“Agreement”), dated October __, 2012, is made by and between Riviera Holdings Corporation (“RHC”) and
Riviera Operating Corporation (“ROC” and together with RHC, the “Company”), and _____________ (“Executive”).

 

RECITALS

 

WHEREAS, Executive is presently employed by the Company;
and

 

WHEREAS, Executive possesses skills
and experience which the Company believes are of substantial value and importance to the success of the Company’s business
operations; and

 

WHEREAS, the Company has retained
an investment advisor to explore the possibility of selling the Company; and

 

WHEREAS, the Board of Directors
of the Company has determined that it is in the best interests of the Company to take steps to reasonably alleviate any uncertainty
or concerns on the part of Executive so as to assure that the Company will continue to enjoy the services of Executive.

 

NOW, THEREFORE, in consideration
of the foregoing recitals, the mutual promises set forth in this Agreement, the continued employment of Employee by the Company,
and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and subject to the
terms and conditions contained in this Agreement, the parties hereto agree as follows:

 

1.           In
the event the Company "Closes a Transaction" (hereinafter defined) with an "Effective
Date" (hereinafter defined) on or prior to December 31, 2013, Executive shall be entitled to receive a stay bonus (“Stay
Bonus”) in an amount equal to [five (5)] [four (4)] [two (2)] months of Executive’s base salary then being paid, less
all applicable taxes and withholding (the “Payment”), on the fifth (5th) day after the Effective Date or on the first
business day thereafter if the fifth (5th) day after the Effective Date is not a business day (the "Due Date"). Notwithstanding
the foregoing, if prior to the Due Date of the Payment, Executive either: (i) leaves his employment voluntarily, or (ii) been
discharged from his employment for "Cause" (hereinafter defined), Executive shall not be entitled to receive the Payment
or any portion thereof.

 

[For Paul Roshetko, the preceding paragraph
reads as follows: 

 

In the event the Company "Closes
a Transaction" (hereinafter defined) with an "Effective Date" (hereinafter defined) on or prior to December 31,
2013, Executive shall be entitled to receive a stay bonus (“Stay Bonus”) in the amount of twenty-five thousand dollars
($25,000.00), less all applicable withholding to Executive on the fifth (5th) day after the Effective Date or on the first business
day thereafter if the fifth (5th) day after the Effective Date is not a business day (the "Due Date"). Notwithstanding
the foregoing, if prior to the Due Date of the Payment, Executive either: (i) leaves his employment voluntarily, or (ii) been
discharged from his employment for "Cause" (hereinafter defined), Executive shall not be entitled to receive the Payment
or any portion thereof.

 

2.           As
used herein, the term “Effective Date” shall mean the date the Company "Closes a Transaction." "Closes
a Transaction" shall mean any of the following that are consented to in writing by the Company, whether through one transaction
or a series of transactions: any merger, consolidation, reorganization, recapitalization, business combination or other transaction
pursuant to which all or substantially all of the business, assets or equity interests of the Company are acquired by, or combined
with, any person, group of persons, partnership, corporation or other entity (including, without limitation, existing creditors,
employees, affiliates, and/or shareholders of the Company).

 

    	2

    	 

    

 

3.           For
the purposes of this Agreement only, “Cause” shall mean: (i) conviction or a plea of non contendere to a felony, (ii)
consistent neglect or failure to perform Executive’s duties and responsibilities consistent with Executive’s executive
positions; (iii) a material violation of Company's Code of Business Conduct and Ethics and Conflict of Interest Policy; or (iv)
the gaming authorities of the State of Nevada or any other state in which the Company, ROC or RHC conducts gaming operations determining
that Executive is unsuitable to act as an employee of a gaming company in his individual capacity.

 

4.           Executive
understands and acknowledges that this Agreement is not a contract for employment and does not guarantee him continued employment
and that, unless otherwise a party to an employment agreement with the Company, RHC or ROC, in which case the terms and provisions
of such employment agreement shall dictate, he is and shall remain an “At Will” employee of the Company or Purchaser.

 

5.           The
parties hereto acknowledge and agree that this Agreement is intended to be exempt from Section 409A of the Internal Revenue Code
of 1986, as amended, and guidance and regulations issued thereunder and, accordingly, to the maximum extent permitted, this Agreement
shall be interpreted to be in compliance therewith or exempt therefrom.

 

6.           If
any provision of this Agreement is held to be illegal, invalid or unenforceable under, or would require the commission of any
act contrary to, existing or future laws, such provisions shall be fully severable, the Agreement shall be construed and enforced
as if such illegal, invalid or unenforceable provision had never comprised a part of this Agreement, and the remaining provisions
of this Agreement shall remain in full force and effect and shall not be affected by the illegal, invalid or unenforceable provision
or by its severance from this Agreement. Furthermore, in lieu of such illegal, invalid or unenforceable provision, there shall
be added automatically as part of this Agreement a legal and enforceable provision as similar in terms to such illegal, invalid
or unenforceable provision as may be possible.

 

7.           The
laws of the State of Nevada shall govern the validity, construction, and interpretation of this Agreement, without regard to conflict
of law principles. Further, venue for any dispute resolution process that occurs pertaining to this Agreement or the subject matter
of this Agreement shall lie exclusively in the federal or state courts of Nevada, located in Las Vegas, Nevada, in any action,
suit or proceeding arising out of or relating to this Agreement or any matters contemplated hereby, and any such action, suit
or proceeding shall be brought only in such court.

 

8.           This
Agreement and the rights and obligations hereunder shall not be assignable or transferable by Executive without the prior written
consent of Company in its sole and absolute discretion. Notwithstanding the foregoing, this Agreement shall be binding on and
inure to the benefit of Executive and Executive’s heirs, executors, administrators and legal representatives.

 

9.           This
Agreement supersede all prior or contemporaneous agreements and statements, whether written or oral, concerning the terms of the
subject matter hereof, and no amendment or modification of these agreements shall be binding unless it is set forth in a writing
signed by both Company and Executive. To the extent that this Agreement conflicts with any of Company’s policies, procedures,
rules or regulations, this Agreement shall supersede the other policies, procedures, rules or regulations.

 

IN WITNESS WHEREOF, the parties
hereto have entered into this Agreement the day and year first above mentioned.

 

Riviera Holdings Corporation (“RHC”)
and

Riviera Operating Corporation (“ROC”
and

together with RHC, the “Company”)

 

	By:	 	 
	 
	Executive
	 
	 	 
	[Executive’s Name]

 

    	3

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