DAQ-2025-002375

Chevroq Troy Tortorich Salt Lake Refinery
Refinery Manager Chevron Products Company
685 South Chevron Way
North Salt Lake, UT 84054
Tel [phone]
Fax [phone]
April2,2025
CERTIFIED MAIL RETURN
RECETPT NO. 7019 0700 0001 5349 7559
Mr. Bryce Bird, Director
Utah Division of Air Quality
195 Nonh 1950 West
PO Box 144820
Salt Lake City, Utah 84114-4820
DEPARTMENT OF
EWIRONMENTAL OIJALITY
APR - 1 2025
OMSION OF AR qNUTY
2024 ANNUAL REPORT FOR BENZENE WASTE OPERATIONS NESHAP
Dear Mr. Bird:
In accordance with the requirements in 40 CFR 61.357(d)(5) and (8), the Chevron Salt Lake Refinery
submits the following Benzene Waste Operations NESHAP (BWON) documents:
. Facility Total Annual Benzene/Treatment to Benzene Quantity Report for 2024 (Attachment I ). Annual lnspection-Repair Report (Attachment 2)
Annual Total Facilitv Treatment-to-Benzene Ouantity Report [40 CFR 61.357(dX5)l
The Refinery has chosen the Benzene Waste NESHAP compliance option under 40 CFR 6l .342(e),
which requires treatment to a benzene quantity of 6.0 megagrams per year (Mg/yr). The Total Annual
Benzene (TAB)/Treatment-to-Benzene Quantity (fBQ) Reporl (Attachment l) is the update of the benzene
quantity in the identified waste streams generated at the Refinery. The TBQ in 2024 was 1.3 megagram,
which is below the 6.0 megagram limit.
Annual Insnection-Renair Report [40 CFR 61.357(dX8)l
The Annual Inspection-Repair Report (Aftachment 2) lists all inspections required by 40 CFR 61.342
through 61.354 during which detectable emissions are measured and corrective actions for identified
problem that could result in benzene emissions (e.g., broken seal or gap).
REVIEWEDInitials: Date: May 8, 2025Compliance Status:OKFile #: 10119 (B2)
Please contact Joseph Moore at [e-mail] or [phone] if you have any questions
regarding this report.
Sincerely,
Troy Tortorich
Attachments: Attachment I -Total Annual Benzene/Treatment to Benzene Quantity Report for 2024
Attachment 2 - Annual Inspection - Repair Report
725.1
cC: CERTIFIED MAIL RETURN
RECEIPT NO. 7019 0700 0001 5349 7566
Bob Gallagher
U.S. EPA Region 8 - Montana Office
l0 West l5th Street, Suite 3200
Helena MT 59626
Phone: [phone]
Fax: [phone]
Gal laeher.Bob@epa. eov
ATTACIIMENT 1
Total Annual Benzene/Treatment to Benzene Quantity Report for2024
REVIEWEDInitials: Date: May 8, 2025Compliance Status:OKFile #: 10119 (B2)
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ATTACHMENT 2
ANNUAL INSPECTION. REPAIR REPORT
BENZENE WASTE NESHAP - January 1,2024, to December 31, 2024
Below are the inspections required by 40 CFR 61.342 through 61.354. These are the cases for
which either I ) detectable emissions were measured or 2) a problem that could result in benzene
emissions was identified (e.g., broken seal or gap). Corrective actions are also summarized.
Floating Roof Tanks
All floating roof tanks that were used as tanks in 40 CFR 6l .35 I (2) met requirements as required
by 40 CFR 60.ll3b (b).
Closed Vent Systems and Control Devices
All carbon canisters that were used as control devices were monitored at intervals no greater than
20 percent of the design carbon replacement interval
Control Devices -
Date Problem Corrective Action
U3t2024 Drain by Tank 60 is plugged Drain repaired
212212024 STF Sewer junction box broken Box repaired
3t18/2024 Drain by Tank74 is plugged Drain repaired
312112024 D-302(lAF) Top deck leak Tightened flange bolts and hatches,
retested to confirm repair successful
4fi2t2024 LPG sewers rain line blocked Sewer drain cleaned and vacuumed out
5t21t2024 Repair Sewer cover 331-B Cover repaired
6t24t2024 Lab sewer repair Fabricated and installed new spool piece
9^U2024 Collection box leak Tightened flange bolts & retested to
confirm repair successful
t2t4t2024 #l Junction drain plugged Drain vacuumed out and drain working
again
Containers -
Date Problem Corrective Action
Jan-Mar
2024
l3 drum lids not properly secured The lids were secured immediately
Apr-Jun
2024
21 drum lids not properly secured The lids were secured immediately
Jul-Sept
2024
32 drum lids not properly secured The lids were secured immediately
Oct-Dec
2024
30 drum lids not properly secured The lids were secured immediately
REVIEWEDInitials: Date: May 8, 2025Compliance Status:OKFile #: 10119 (B2)