Balance Phase II Enhanced Vapor Recovery (EVR) System for Protected Aboveground Storage Tanks (AST)
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VR-501 Revision E (renewed July 17, 2023)
Balance Phase II AST Executive Order VR-501-E Legal Language
| Exhibit 1 | Equipment List |
| Exhibit 2 | System Specifications |
| Exhibit 3 | Manufacturing Performance Specifications and Warranties |
| Exhibit 4 | Determination of Static Pressure Performance of Vapor Recovery Systems at Gasoline Dispensing Facilities with Aboveground Storage Tanks |
| Exhibit 5 | Liquid Removal Test Procedure |
| Exhibit 6 | Required Items for Conducting TP-201.4 |
| Exhibit 7 | Nozzle Bag Test Procedure |
| Exhibit 8 | Hirt VCS 100-2 VaporTek® Processor with Indicator Panel Operability Test Procedure |
| Exhibit 9 | Liquid Condensate Trap Compliance Test Procedure |
| Installation, Operation and Maintenance Manual | Complete VR-501 IOM (Contact vapor@arb.ca.gov) |
Superseded VR-501 Revisions
VR-501 Revision D
| Exhibit 1 | Equipment List |
| Exhibit 2 | System Specifications |
| Exhibit 3 | Manufacturing Performance Specifications and Warranties |
| Exhibit 4 | Determination of Static Pressure Performance of Vapor Recovery Systems at Gasoline Dispensing Facilities with Aboveground Storage Tanks |
| Exhibit 5 | Liquid Removal Test Procedure |
| Exhibit 6 | Required Items for Conducting TP-201.4 |
| Exhibit 7 | Nozzle Bag Test Procedure |
| Exhibit 8 | Hirt VCS 100-2 VaporTek® Processor with Indicator Panel Operability Test Procedure |
| Exhibit 9 | Liquid Condensate Trap Compliance Test Procedure |
| Installation, Operation and Maintenance Manual | Complete VR-501 IOM |
- VR-501 Revision C
For associated Exhibits, IOMs, or other documents, contact vapor@arb.ca.gov for current versions.