DAQ-2025-001547

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Clean Harbors Aragonite, LLC
I 1600 North Aptus Road
Aragonire, UT 84029
435.884.8100
www.cleanharbors.com
FedEx # 8184 0674 32ll
January 6,2025
Mr. Bryce Bird
Division of Air Quality (DAQ)
Department of Environmental Qual ity
195 North 1950 West
P.O. Box 144880
salt Lake city, uT 84414-4880
RE: Semi-Annual Startup, Shutdown, and Malfunction Report
Clean Harbors Aragonite,, LLC
Title V Operating Permit 4500048004
Dear Mr. Bird,
In accordance with Title V Permit condition II.8.2.k.3(i), Clean Harbors Aragonite, LLC (CHA) is
submitting the Semi-Annual Startup, Shutdown, and Malfunction Report for July through
December of 2024. This report requires CHA to submit all startups, shutdowns, and malfunctions
that occurred in the reporting period and include the number, duration, and a brief description of
each occurrence. This information can be seen in Table l. All occurrences were handled consistent
with the facility's Startup, Shutdown, and Malfunction Plan.
Table l: Start-nd Malfunctioau^ns
SSMP Reason SSMP Cause Number Duration
(hr:min:sec)
Kiln Temperature Cutoff No Fuel (Pump failures)0 I :05:00
lncorrect Selected Readins 00 00:1 3
Afterburner Temperature Cutoff
No Fuel (pump failures)J 02:01 :01
Loss of Utilitv (Plant Air)00:57:00
I nstrumentation Troubleshooti ne 00: l2:00
Activated Carbon Feed Rate Cutoff Pluseed Line 2 0l :02:00
Lost Feed Rate Issues 7 l8:39:5 I
I'r Stase Scrubber Liouid Feed oH pH Probes Fail 00:00:02
2"d Stage Brine Flow Rate Plugeed Line 00:05:00
Lost Feed Rate Issues 2 00:29:00
High Combustion Zone Pressure Cutoff
Buildup Fall 00:00:01
Power Failure 2 00:02:04
Feed Issues 8 00:46:21
Hish Instrument Soan - Bashouse Inlel Feed Issues 4 00:07:33
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"People and Technology Creating a Better Environment"
REVIEWEDInitials:Date: March 24, 2025Compliance Status: OKFile #: 10725 (B2)
SSMP Reason SSMP Cause Number Duration
(hr:min:sec)
Hish Stack Flow AWFCO - Mechanical Issues 2 00:05:00
Snrav f)rver Temoerature Cutoff Pluesed Line I 00:40:00
In accordance with Permit Condition I.K and Utah Administrative Code R307-415-5d, I certify
under penalty of law that this document and all attachments were prepared under my direct
supervision in accordance with a system designed to assure that qualified personnel properly gather
and evaluate the information submitted. Based upon my inquiry of persons or persons who manage
the system, or those persons directly responsible for gathering the information submitted is, to the
best of my knowledge and beliet true, accurate and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of imprisonment for known
violations.
Sincerely,
Kenneth Banks
Senior Environmental Compliance Manager
Clean Harbors Aragonite, LLC
I1600 North Atpus Road
PO Box 1339
Grantsville, Utah 84029 -1339
(o) 435.844.8233
(c) 435.579.5193
Banks. kenneth@cleanharbors. com
www.cleanharbors.com