California Air Resources Board

California Air Resources Board


Executive Order VR-203-B

This page updated January 15, 2008

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Executive Order VR-203-B
VST Phase II Enhanced Vapor Recovery System Not-Including In-Station Diagnostics (ISD)
Full VR-203-B Download [PDF - 1,773K]

Legal Document
Equipment List
System Specifications
VST Manufacturing Performance Standards and Specifications
Required Items in Conducting TP-201.3
Liquid Removal Test Procedure
Hydrocarbon Sensor Verification Test
VST Phase II EVR System Warranty
Vapor Pressure Sensor Verification Test
Determination of VST Processor Activation Pressure
Nozzle Bag Test Procedure

Installation, Operaton and Maintenance Manual (IOM)
Full IOM VR-203-B Download [PDF - 13.1MB]

About VST
Table of Terms and Abbreviations
Contractor Requirements
System Components
Overview EVR Balance Total System
Daily Inspections
Annual Inspections, Replacements, and Compliance Testing
Alarm Troubleshooting Summary
Drive-Offs and Customer Abuse
Nozzle Installation
Nozzle Repair Kit
Breakaway Devices
ECS Membrane Processor Installation
ECS Membrane Processor OMS Manual
Pressure Management Control Manual
Pressure Sensor Installation Guide

VST Hanging Hardware Compatibility Approval Letter #07-09
November 27, 2007 letter to Vapor Systems Technologies approving VST's
EVR hanging hardward as replacement components on Pre-EVR balance vapor recovery systems.

December 11, 2007 letter to Vapor Systems Technologies regarding installation of VST EVR Phase II system without ISD at facilities with throughputs greater than 600,000 gallons/year.


The superseded version of the above document can be found by clicking on the link below:


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Executive Orders

A Department of the California Environmental Protection Agency