FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Marshall Andrew 		2. Issuer Name and Ticker or Trading Symbol

US ECOLOGY, INC. [ ECOL ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
EVP of Reg. Compl. & Safety
(Last)          (First)          (Middle)

101 S. CAPITOL BLVD., SUITE 1000 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/7/2018
(Street)

BOISE, ID 83702
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   3/7/2018     M (1)    320   A $0   8186   D    
Common Stock   3/8/2018     M (2)    697   A $0   8883   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units     (3) 3/7/2018     M         320      (4)   (4) Common Stock   320   $0   320   D    
Restricted Stock Units     (3) 3/8/2018     M         697      (5)   (5) Common Stock   697   $0   1393   D    

Explanation of Responses:
(1)  Represents the conversion of Restricted Stock Units into common stock. On March 8, 2016, the reporting person was granted 960 Restricted Stock Units.
(2)  Represents the conversion of Restricted Stock Units into common stock. On March 9, 2017, the reporting person was granted 2,090 Restricted Stock Units.
(3)  Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.
(4)  On March 8, 2016, the reporting person was granted 960 Restricted Stock Units, of which 320 vested on March 7, 2017 and 320 vested on March 7, 2018. The common stock into which such Restricted Stock Units converted on March 7, 2018 is reported on Table I of this Form 4. The remaining Restricted Stock Units will vest on March 7, 2019, subject to the reporting person's continued service with the Issuer.
(5)  On March 9, 2017, the reporting person was granted 2,090 Restricted Stock Units, of which 697 vested on March 8, 2018. The common stock into which such Restricted Stock Units converted on March 8, 2018 is reported on Table I of this Form 4. The remaining Restricted Stock Units will vest on March 8, 2019 and March 8, 2020, subject to the reporting person's continued service with the Issuer.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Marshall Andrew
101 S. CAPITOL BLVD.
SUITE 1000
BOISE, ID 83702

EVP of Reg. Compl. & Safety

Signatures
/s/ Andrew Marshall 3/9/2018
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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