SAN JOAQUIN VALLEY UNIFIED AIR POLLUTION CONTROL DISTRICT

RULE 4454 - REFINERY PROCESS UNIT TURNAROUND
(Adopted May 21, 1992, Amended December 17, 1992)

1.0 Purpose

The purpose of this rule is to limit VOC emissions resulting from the purging, repair, cleaning, or otherwise opening or releasing pressure from a refinery vessel during a process unit turnaround.

2.0 Applicability

The provisions of this rule shall apply to any refinery vessel containing VOCs unless exempted under Section 3.0.

3.0 Exemptions

This rule shall not apply to:

4.0 Requirements

A person shall depressurize any vessel containing VOCs unless the process unit turnaround is accomplished by employing one of the following operating procedures: