DAQ-2025-002370

PSC Industrial Outsourcing, LP
1980 N. Hwy 146, La Porte, TX 77571

April 3, 2025
Harold Burge
Utah Division of Air Quality
P.O. Box 144820
Salt Lake City, Utah 84114-4820

Email: [e-mail]

Re: Notification of Vapor Control for Tank Degas Operation at Chevron Salt
Lake City Refinery

This work is being conducted under Small Source Registration #DAQE-EN157020001-17 utilizing
portable vapor control combustor VC-P0501. The purpose of this project is to abate VOC
emissions during tank degas/maintenance.

To whom it may concern:

PSC Industrial Outsourcing, LP is submitting this letter as notification of pending work within the
UT DEQ district beginning Monday, April 7th, 2025.

1. Tank No. 100-94 at the Chevron Salt Lake City Refinery, 685 South Chevron Way, North
Salt Lake, UT 84054
2. Total Volume of Tank: 10,745 bbls
3. Material in Tank: Gasoline + Phenol Water
4. Local Contact: Eric Christopher Johnson
PSC Industrial Outsourcing LP – (323)-905-6073
5. Office Address for Local Contact:

HPC-Industrial Services (PSC Industrial Outsourcing)
2525 S 1100 W
Woods Cross, UT 84087

6. Estimated Start Date: Monday, April 7th, 2025
7. Estimated End Date: Friday, April 11th, 2025

If you have any questions regarding this notification, please contact our local representative Eric
Christopher Johnson, as shown in number 4 above.

Sincerely,

Sylvester Siller
Environmental Compliance Manager
Vapor Control Management – HPC-Industrial Services
REVIEWEDInitials:Date: May 8, 2025Compliance Status:OKFile #: 10119 (B2)