UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	July 27, 2011 10:00 A.M.

Form:	S-4
CIK: 0000822818 Company Name: CLEAN HARBORS INC File Number: 333-175621
CIK: 0001525322 Company Name: Sanitherm USA, Inc. File Number: 333-175621-63
CIK: 0001525323 Company Name: Peak Energy Services USA, Inc. File Number: 333-175621-62
CIK: 0001525324 Company Name: ARC Advanced Reactors & Columns, LLC File Number: 333-175621-61
CIK: 0001525326 Company Name: Clean Harbors Catalyst Technologies, LLC File Number: 333-175621-60
CIK: 0001330899 Company Name: Plaquemine Remediation Services, LLC File Number: 333-175621-59
CIK: 0001525327 Company Name: Clean Harbors Exploration Services, Inc. File Number: 333-175621-58
CIK: 0001525328 Company Name: Clean Harbors Industrial Services, Inc. File Number: 333-175621-57
CIK: 0001330867 Company Name: Altair Disposal Services, LLC File Number: 333-175621-56
CIK: 0001330868 Company Name: BATON ROUGE DISPOSAL, LLC File Number: 333-175621-55
CIK: 0001330869 Company Name: BRIDGEPORT DISPOSAL, LLC File Number: 333-175621-54
CIK: 0001330870 Company Name: CH INTERNATIONAL HOLDINGS, LLC File Number: 333-175621-53
CIK: 0001330871 Company Name: CLEAN HARBORS ANDOVER, LLC File Number: 333-175621-52
CIK: 0001330872 Company Name: CLEAN HARBORS ANTIOCH, LLC File Number: 333-175621-51
CIK: 0001330873 Company Name: CLEAN HARBORS ARAGONITE, LLC File Number: 333-175621-50
CIK: 0001330874 Company Name: CLEAN HARBORS ARIZONA, LLC File Number: 333-175621-49
CIK: 0001330875 Company Name: CLEAN HARBORS BATON ROUGE, LLC File Number: 333-175621-48
CIK: 0001330876 Company Name: CLEAN HARBORS BDT, LLC File Number: 333-175621-47
CIK: 0001330877 Company Name: CLEAN HARBORS BUTTONWILLOW, LLC File Number: 333-175621-46
CIK: 0001330878 Company Name: CLEAN HARBORS CHATTANOOGA, LLC File Number: 333-175621-45
CIK: 0001330918 Company Name: Clean Harbors Clive, LLC File Number: 333-175621-44
CIK: 0001330879 Company Name: CLEAN HARBORS COFFEYVILLE, LLC File Number: 333-175621-43
CIK: 0001330880 Company Name: CLEAN HARBORS COLFAX, LLC File Number: 333-175621-42
CIK: 0001330882 Company Name: CLEAN HARBORS DEER PARK, LLC File Number: 333-175621-41
CIK: 0001330883 Company Name: CLEAN HARBORS DEER TRAIL, LLC File Number: 333-175621-40
CIK: 0001330884 Company Name: CLEAN HARBORS DISPOSAL SERVICES, INC. File Number: 333-175621-39
CIK: 0000925491 Company Name: CLEAN HARBORS ENVIRONMENTAL SERVICES INC File Number: 333-175621-38
CIK: 0001330886 Company Name: CLEAN HARBORS FLORIDA, LLC File Number: 333-175621-37
CIK: 0001330887 Company Name: CLEAN HARBORS GRASSY MOUNTAIN, LLC File Number: 333-175621-36
CIK: 0001330888 Company Name: CLEAN HARBORS KANSAS, LLC File Number: 333-175621-35
CIK: 0000925493 Company Name: CLEAN HARBORS KINGSTON FACILITY CORP File Number: 333-175621-34
CIK: 0001330889 Company Name: CLEAN HARBORS LAPORTE, LLC File Number: 333-175621-33
CIK: 0001330890 Company Name: CLEAN HARBORS LAUREL, LLC File Number: 333-175621-32
CIK: 0001330892 Company Name: CLEAN HARBORS LONE MOUNTAIN, LLC File Number: 333-175621-31
CIK: 0001330893 Company Name: CLEAN HARBORS LONE STAR CORP. File Number: 333-175621-30
CIK: 0001330894 Company Name: CLEAN HARBORS LOS ANGELES, LLC File Number: 333-175621-29
CIK: 0001330895 Company Name: CLEAN HARBORS (MEXICO), INC. File Number: 333-175621-28
CIK: 0000925502 Company Name: CLEAN HARBORS OF BALTIMORE INC File Number: 333-175621-27
CIK: 0000925504 Company Name: CLEAN HARBORS OF BRAINTREE INC File Number: 333-175621-26
CIK: 0000925499 Company Name: CLEAN HARBORS OF CONNECTICUT INC File Number: 333-175621-25
CIK: 0001330898 Company Name: CLEAN HARBORS PECATONICA, LLC File Number: 333-175621-24
CIK: 0001330900 Company Name: CLEAN HARBORS PPM, LLC File Number: 333-175621-23
CIK: 0001330902 Company Name: CLEAN HARBORS REIDSVILLE, LLC File Number: 333-175621-22
CIK: 0001330904 Company Name: CLEAN HARBORS SAN JOSE, LLC File Number: 333-175621-21
CIK: 0001330906 Company Name: CLEAN HARBORS SERVICES, INC. File Number: 333-175621-20
CIK: 0001330907 Company Name: CLEAN HARBORS TENNESSEE, LLC File Number: 333-175621-19
CIK: 0001330909 Company Name: CLEAN HARBORS WESTMORLAND, LLC File Number: 333-175621-18
CIK: 0001330910 Company Name: CLEAN HARBORS WHITE CASTLE, LLC File Number: 333-175621-17
CIK: 0001330911 Company Name: CROWLEY DISPOSAL, LLC File Number: 333-175621-16
CIK: 0001330914 Company Name: DISPOSAL PROPERTIES, LLC File Number: 333-175621-15
CIK: 0001330915 Company Name: GSX DISPOSAL, LLC File Number: 333-175621-14
CIK: 0001330926 Company Name: HARBOR MANAGEMENT CONSULTANTS, INC. File Number: 333-175621-13
CIK: 0001330917 Company Name: HILLIARD DISPOSAL, LLC File Number: 333-175621-12
CIK: 0000925496 Company Name: MURPHYS WASTE OIL SERVICE INC File Number: 333-175621-11
CIK: 0001330921 Company Name: ROEBUCK DISPOSAL, LLC File Number: 333-175621-10
CIK: 0001330922 Company Name: SAWYER DISPOSAL SERVICES, LLC File Number: 333-175621-09
CIK: 0001330923 Company Name: SERVICE CHEMICAL, LLC File Number: 333-175621-08
CIK: 0000925495 Company Name: SPRING GROVE RESOURCE RECOVERY INC File Number: 333-175621-07
CIK: 0001330925 Company Name: TULSA DISPOSAL, LLC File Number: 333-175621-06
CIK: 0001473858 Company Name: CLEAN HARBORS RECYCLING SERVICES OF CHICAGO, LLC File Number: 333-175621-05
CIK: 0001473859 Company Name: Clean Harbors Development, LLC File Number: 333-175621-04
CIK: 0001473864 Company Name: CLEAN HARBORS WILMINGTON, LLC File Number: 333-175621-03
CIK: 0001473860 Company Name: CLEAN HARBORS RECYCLING OF OHIO, LLC File Number: 333-175621-02
CIK: 0001473934 Company Name: CLEAN HARBORS EL DORADO, LLC File Number: 333-175621-01