UST Program – Available Local Guidance (LG) Letters
LGs that are not on this list are obsolete or outdated. See obsolete/outdated LGs.
[1 - 110 ] [111 - 119 ] [120 - 129 ] [130 - 139 ] [140 - 149 ] [150 - 159 ] [160 - 171 ]
| Letters 160-171 | Description |
|---|---|
| Permanent Closure of Underground Storage Tanks that do not meet Health and Safety Code, Chapter 6.7, Section 25291, Subdivisions (a)(1)-(6) | |
| Collection of Tank Owner BOE Account Number | |
| Clarification of Requirements for Vapor Condensate Traps | |
| LG-167-2 | Qualifications & Scope of Work for UST Installers and Service Technicians |
| LG 166 | UNDER REVISION Guidelines for Testing Spill Buckets »» Enclosure - Spill Bucket Test Report Form |
LG-165-2 |
UNDER REVISION Storage Tanks in Containment Structures Located Beneath the Surface of the Ground Health and Safety Code Section 25283.5 Exemption |
| LG 164-4 | Reporting of Technical Compliance Rate (For use on or after July 1, 2020) |
| LG 163-1 | UNDER REVISION General
Recommendations for Testing Leak Detection
Sensors. »» Enclosure 1 - General Recommendations for Testing Leak Detection Sensors. »» Enclosure 2 - Vacuum/Pressure Sensor Certification Form |
| LG 162-5 | Installation and Monitoring Requirements for Underground Storage Tanks Installed on or after July 1, 2003 (12/12/19) |
| Enhanced Leak Detection (3/25/08) | |
| LG 160 | Underground Storage Tank (UST) Secondary Containment Testing |
| Letters 150-159 | Description |
|---|---|
LG 159 |
UNDER REVISION Annual Underground Storage Tank Compliance Inspection »» Enclosure - Annual Underground Storage Tank Compliance Inspection Handbook |
| LG 158 | New Landowner Notification and Participation Requirements |
| LG 152 | UNDER REVISION Aboveground Piping Associated With an Underground Storage Tank System |
| LG 151-3 | Bulk Field-constructed Underground Storage Tanks Monitoring and Compliance |
| Underground
Storage Tank Overfill Prevention Systems (previous title: Ball Float Vent Valve vs. Fill Tube Positive Shutoff Valve |
| Letters 140-149 | Description |
|---|---|
| LG 145-2 | Clarification of Corrosion Specialist and Cathodic Protection Tester |
| LG 143 | Regulatory Status of Hydrant Fueling Systems at California Airports |
| LG 141 | Permanent Hydraulic Fuel Tank Exemption |
| Letters 130-139 | Description |
|---|---|
| LG 139-2 |
Reporting
Statistical Inventory Reconciliation (SIR) Results
(Supersedes LG 139-1) »» Attachment 1 | Attachment 2 |
| LG 138 | Rescission - Regulation of Dispenser Piping and Related Equipment |
| LG 136-1 | UNDER REVISION Interior Lining and Cathodic Protection of USTs |
| Letters 120-129 | Description |
|---|---|
| LG 125-1 | Product Level Requirement for Tank Testing Methods |
| LG 122 | Applicability of the Closure Regulations To Tank Decommissioned Before January 1, 1984 |
| Letters 110-119 | Description |
|---|---|
| LG 119-1 | Certification of Underground Storage Tank Installations |
| LG 118 | Underground Storage Tank Tank Test Result Reporting |
| LG 116 | Regulation of Compartmental Underground Storage Tanks (UST) |
| LG 113 | List of Leak Detection Equipment and Methods for Underground Storage Tanks |
| Letters 1-110 | Description |
|---|---|
| LG 109-1 | Regulatory Status of Farm Tanks and Heating Oil Tanks |
| LG 107 | Liquefied Petroleum Gas (LPG) Underground Storage Tanks |
| LG 105 | Licensed Tank Testers and Tank Testing Companies |
| LG 56 | Third Party Responsibility for Unauthorized Release Reporting |
| LG 50 | Proposition 65 Disclosure |
| LG 48-5 | UNDER REVISION Contractors' Licensing and Certification Requirements for Installation, Removal, and Upgrade of Underground Storage Tanks |


