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UST Information Monitoring Plans

UST Tank Information – Monitoring Plans is a task in the Underground Storage Tank (UST) portion of the  California Environmental Reporting System  compliance program.

UST Icon Information-Monitoring Plans             CERS Icon Information-Monitoring Plans

Table of Contents

Overview

The UST Tank Information/Monitoring Plan portion of CERS is necessary to provide documentation for the specifications of the underground storage tank (UST) and monitoring system.  To complete the UST Tank Information/Monitoring Plan, the tanks need to already exist in CERS, or you must complete the UST Facility Operating Permit Application section on CERS and save it. Then CERS will automatically take you to the UST Tank Information/Monitoring Plan section. 

To complete this section you will need a copy of your most recent Monitoring Certification and Triennial Secondary Containment Testing report. In addition, you might need to physically inspect portions of the tank system to verify answers.

Completing the Tank Information Section

The following section provides instructions on how to complete the Tank Information/Monitoring portion of CERS. This first part of the instructions covers the “Tank Information” portion. Some of the instructions are taken directly from the CERS website.

Type of Action

This section allows you to put in the type of action the submission will be.

  • Confirmed/updated information (changes that might be made to correct a previous error or updates related to repairs of equipment).
  • New Permit (for a new tank or a new tank owner/operator).
  • Renewal Permit (Updates that are part of a required review for permit renewal).
  • Temporary UST closure (UST closure as per 23 CCR § 2671).
  • UST permanent closure on site (UST closure as per 23 CCR § 2672).
  • UST removal (UST closure as per 23 CCR § 2672).

Facility Information

UST Information-Monitoring Plans Facility Information

The facility information section automatically populates with information from you CERS account and is not editable from the UST Tank Information/Monitoring Plan page.

Tank Description

UST Information-Monitoring Plans Tank Description

The tank description section consists of the following fields:

  • Tank ID#: Applicant may enter owner’s tank identification number or leave it blank. The Local Unified Program Agency (UPA) normally assigns the identification number as a way to uniquely identify each of the facility’s UST tanks/compartments.
  • Tank Manufacturer
  • Tank Capacity

NOTE: Answers from 2 and 3 be found on the second page of the most recent secondary containment test report.

UST Information-Monitoring Plans Secondary Containment Testing Form
Secondary Containment Testing Report, Page 2.
  • Date UST System Installed: Enter the date the local agency signed-off on installation of the UST system. This is the date of initial tank system installation, and does not include upgrades or retrofits which may have been performed later. If this is for a new installation, leave blank.
  • Date Existing UST Discovered: Enter the date this UST was discovered. Leave blank if installation date is known.
  • Date UST Permanently Closed: For reporting closure only: Enter the date the UST was removed or closed on-site.
  • Tank Configuration: Select the appropriate box to indicate if the tank is a stand-alone tank or one in a compartmentalized unit. A separate Tank Information/Monitoring form must be submitted for each compartment.
  • Number of Compartments: If the tank is a compartment, enter the total number of compartments in the unit.
  • Additional Description: Additional tank or location description/information.

Tank Use and Contents

The Tank Use and Contents section consists of the following fields:

  • Tank Use: Select from the options.
  • Tank Contents: Use the following information to assist in properly reporting tank contents: ETHANOL CONTAINING GASOLINE: Select the appropriate grade of unleaded gasoline for gasoline containing ethanol up to 12%. If over 12% ethanol report as a ‘Petroleum Blend Fuel’. BIODIESEL: Report biodiesel B5 as ‘Diesel’. Report Biodiesels greater than B5 as ‘Petroleum Blend Fuel’. Report Biodiesel B100 with no petroleum additives as ‘Other Petroleum’. RENEWABLE DIESEL: Report R1-R100 as ‘Diesel’. USED OR WASTE OIL: Report as ‘Used Oil’. USED OR WASTE TRANSMISSION FLUID (ATF): Report as ‘Used Oil’. 100% ETHANOL: Report as ‘Ethanol’. ALL OTHER PETROLEUM BASED SUBSTANCES: Report as ‘Other Petroleum’. ALL OTHER REGULATED SUBSTANCES: Report as ‘Other Non-Petroleum’.

NOTE: Your triennial secondary containment test results will have information about the product stored in the tank on page 2.

UST Information-Monitoring Plans Contents
Secondary Containment Test Results with description of line contents.

Tank Construction

UST Information-Monitoring Plans Construction

The Tank Construction section consists of the following fields:

  • Type of Tank: Select if the tank is single-walled our double-walled. (Note: single-walled tanks must be permanently closed by 12/31/2025.)
  • Primary Containment: Select construction material of the primary containment. (i.e., inner tank wall nearest the hazardous substance stored.) If the tank material is not listed, select “Other” and specify the material in space provided.
  • Secondary Containment: Select construction material of secondary containment that provides containment external to and separate from the primary containment described above. If  tank is a single-wall tank, select “None”. If  material is not listed, select “Other” and specify material in the space provided. (e.g., HDPE.)
  • Overfill Protection: Select types of overfill protection installed on the tank.

Product / Waste Piping Construction

UST Tank Information Monitoring Plans Piping

This section consists of the following fields:

  • Piping Construction: Indicate if the piping is single-walled or double-walled, or “other”. For tanks that have no piping, select the “Other” box, and then select “Gravity” in the Piping System Type field.
  • Piping System Type: Select the type of product/waste piping installed in this tank system. “Safe Suction” refers to piping systems meeting all requirements of 23 CCR S2636(a)(3) also known as “European Suction” systems (i.e., sloped suction piping systems with no valves or pumps below grade and only one check valve, located below and as close as practical to the suction pump).
  • Primary Containment
  • Secondary Containment
  • Piping/Turbine Containment Sump

NOTE: Once again, page 3 of the most recent secondary containment test for the tank system will help you determine the correct answers to these questions.

Secondary Containment Testing Piping Construction Field
Secondary Containment Testing Piping Construction Field

NOTE: Your most recent annual monitoring certification can help determine if the piping system is pressurized (page 2, item #6.)

UST Tank Information Monitoring Plans MC Piping
Monitoring Certification Indication of Pressurized Piping

Vent, Vapor Recovery (VR) and Riser / Fill Pipe Piping Construction

UST Tank Information Monitoring Plans Piping Construction

The Vent, Vapor Recovery (VR) and Riser / Fill Piping Construction section consists of the following fields:

  • Vent Primary Containment: Select material(s) used to construct primary (i.e., inner) vent piping. (Note: Address venting of the tank primary containment only.) Specify “Other” type of containment in provided space.
  • Vent Secondary Containment: Select material(s) used to construct secondary containment system(s) (e.g., secondary piping) provided for the vent piping. For single-wall piping systems, select “None”. (Note: Address venting of the tank primary containment only.) Specify “Other” type of containment in the provided space.
  • Vapor Recovery Primary Containment: Select the material(s) used to construct primary (i.e., inner) vapor recovery piping. For tanks without vapor recovery piping (e.g., Diesel tanks), select “None”. Specify “Other” type of containment in provided space.
  • Vapor Recovery Secondary Containment: Select the material(s) used to construct primary (i.e., inner) vapor recovery piping. For tanks without vapor recovery piping (e.g., Diesel tanks), select “None”. Specify “Other” type of containment in provided space.
  • Riser Pipe Primary Containment: Select the material(s) used to construct the secondary containment system(s) (e.g., secondary piping) provided for the vapor recovery piping. For single-wall piping systems, select “None”. Specify “Other” type of containment in provided space.
  • Riser Pipe Secondary Containment: Select material(s) used to construct primary (i.e., inner) piping for all risers (not drop tubes) other than annular space risers. (i.e., risers for filling or gauging of the primary tank.). Specify “Other” type of containment provided space.
  • Vent Piping Transition Sumps: Indicate type of transition sump(s) (what are transition sump(s), is this common knowledge?). Select “None” if not present.
  • Fill Components Installed: Select one or more of the following (Spill Bucket, Striker Plate/Bottom Protector, Containment Sump).

Under Dispenser Containment (UDC)

UST Tank Information Monitoring Plans Under Dispenser Containment

Under Dispenser Containment (UDC) section consists of the following fields:

  • Construction Type: Select the box to describe the type of dispenser containment system(s) (i.e., dispenser sumps or pans). If the system has no dispensers (e.g., standby generator tank system), select “No Dispensers”. If the system has a dispenser, but no Under Dispenser Containment, select “None”.
  • Construction Material: Select the primary material used to construct the under-dispenser containment (UDC).

Note: Page 5 of your most recent triennial secondary containment test will tell you what the sump is made of. If your UDCs do not require testing, they are double-walled.

UST Tank Information Monitoring Plans Secondary Containment Under Dispenser Containment
Find the under dispenser containment material from most recent secondary containment test results.

Corrosion Protection

UST Tank Information Monitoring Plans Corrosion Protection

Under the Corrosion Protection section select one of the options.  Check secondary containment testing results for the tank material. If the outer tank is not steel, the protection method is “isolation.” If the tank is steel, it will be either “Sacrificial Anode” or “Impressed Current.”

 

Select Save

UST Tank Information Monitoring Plans Save

In order to continue to the Tank Monitoring portion of the tank information element of CERS you must “Save” the Tank Information page. You can also use this section to import tank information from another identical tank at the same facility.

Completing the Tank Monitoring Section

Facility Information

The facility information field cannot be edited from this screen.

Equipment Testing and Preventive Maintenance

UST Tank Information Monitoring Equipment Testing and Preventative Maintenance

Monitoring equipment serviced: Select frequency of monitoring equipment testing/certification. Note: All UST monitoring systems in California must be serviced (and tested) annually.

Monitoring Locations

UST Tank Information Monitoring Equipment Monitoring Locations

Indicate if a site plan/map is submitted with this monitoring plan or if it was submitted previously (it must be current). Monitoring plans must include a Site Plot Plan/Map showing the tank and piping layouts and the locations where monitoring is performed. (i.e., location of sensors, probes, line leak detectors, monitoring system control panel, etc).

Tank Monitoring is Performed Using the Following Method(s)

UST Tank Information Tank Monitoring

Tanks need to be monitored for leaks by one or more methods. Select one or more of of the options: (Continuous Electronic Tank Monitoring, Automatic Tank Gauging, Monthly Statistical Inventory Regulation, Other Monitoring).

Continuous Electronic Tank Monitoring

Most double-walled tanks will be monitored via Continuous Electronic Tank Monitoring. When you select this option, you will need to indicate how the tank annular space is monitored (Dry, Liquid-Filled, Pressurized, Under Vacuum). In addition, you will need to indicate the monitoring panel’s make and model, and the leak sensor’s make and model. NOTE: all of this information can be found in your most recent annual monitoring certification, as seen below.

UST Tank Information Monitoring Certification
Monitoring Certification results can provide answers to how a UST is monitored.

Automatic Tank Gauging (ATG)

If you select this option, you will need to list the ATG monitoring panel make and model, the in-tank probe make and model, and the frequency and stringency of the test. NOTE: This information will also be found in the most recent annual monitoring certification.

There are additional options to monitor tanks for leaks such as monthly statistical inventory reconciliation and other monitoring. Neither of these methods are commonly used anymore and therefore will not be covered here.

Pipe Monitoring is Performed Using the Following Method(s)

UST Tank Information Monitoring Piping

Piping monitoring can be conducted in several ways, Continuous Monitoring of Piping Secondary Containment, Mechanical Line Leak Detector, Electronic Line Leak Detector, Pipeline Integrity Testing, Visual Pipeline Monitoring, or it can be exempt.

Continuous Monitoring of Piping Secondary Containment

Continuous Monitoring of Piping Secondary Containment will be found on VPH UST systems. When you select this option, you will need to indicate how the secondary containment system is monitored (Dry, Liquid-Filled, Pressurized, Under Vacuum). In addition, you will need to indicate the monitoring panel make and model, and the leak sensor make and model. NOTE: all of this information can be found in your most recent annual monitoring certification.

UST Tank Information Monitoring Piping information from monitoring certification
UST monitoring certification can provide about how the piping system is monitored.

 

Note: you will need to check Section E on Page 2 of your most recent monitoring certification to find what equipment is used for piping VPH monitoring.

Mechanical Line Leak Detector Performs 3 GPH Leak Test

If you select this option, you will not need to indicate the monitoring panel make and model, only the mechanical line leak detector make and model. NOTE: all of this information can be found in your most recent annual monitoring certification.

Electronic Line Leak Detector (ELLD) Performs 3 GPH Leak Test

Like the mechanical line leak detector, the electronic line leak detector information can be found on your most recent annual monitoring certification. If you use this option, you will have to provide monitoring panel make and model, and the electronic line leak detector make and model. You will need to review the programming on the monitoring console to determine if the test is conducted at a 0.2 or 0.1 GPH simulated leak. Both the “ELLD Triggers Automatic Pump Shutdown” and the “ELLD Failure/Disconnect Triggers Automatic Shutdown” should be marked (and configured on the tank system) as “yes.”

Pipeline Integrity Testing

Must be conducted annually to comply with current UST regulations. Please note that this method of pipeline monitoring will be phased out in the near future.

Visual Pipeline Monitoring

You must be able to visually inspect the entire piping run to use this method.

Suction Piping Meets Exemption Criteria

“Safe Suction” refers to piping systems meeting all requirements of 23 CCR S2636(a)(3), also known as “European Suction” systems, (i.e., sloped suction piping systems with no valves or pumps below grade and only one check valve, located below and as close as practical to the suction pump).

No Regulated Piping Per Health and Safety Code, Division 20, Chapter 6.7 Is Connected To The Tank System

Select this box if no piping in the tank system is regulated under the UST law, or if there is no piping.

Other Pipeline Monitoring

Use this option if pipeline is monitored in a way that is not listed above. (This is a very unusual selection and check with your local Unified Program Agency to make sure the method is compliant with UST regulations.)

Under Dispenser Containment (UDC) Monitoring

UST Tank Information Monitoring Under Dispenser Containment (UDC)

UDC Monitoring

Detection of Leak into UDC Triggers Audible and Visual Alarms

Indicate how the UDC is monitored. (continuous monitoring, float and chain, electronic stand alone, or if the UST system has no dispensers or some other exception). When you select the continuous monitoring, electronic stand alone, you will need to indicate the monitoring panel make and model, and the leak sensor make and model. NOTE: all of this information can be found in your most recent annual monitoring certification.

UST Tank Information Monitoring Certification UDCs
Annual monitoring system certification will provide details on how your UDCs are monitored.

UDC Leak Alarm Triggers Automatic Pump Shutdown

The correct answer is – “yes.”

Failure/Disconnection of UDC Monitoring System Triggers Automatic Pump Shutdown

The correct answer is – “yes.”

UDC Monitoring Stops Flow of Product at Dispenser

The correct answer is – “yes.”

UDC Construction

Is the UDC single or double-walled? This is essentially asking if the dispenser has VPH monitoring.

UDC Secondary Containment Monitoring

If it is a double walled UDC (VPH monitored), how is it monitored by liquid, pressure or vacuum?

Leak Within Secondary Containment of UDC Causes Audible and Visual Alarms

Electronic systems should have an audible and visual alarm (“yes”). If the UDC is monitored with a float and chain, the answer will be – “no.”

Periodic System Testing

UST Tank Information Monitoring Periodic System Testing

ELD Testing

Select the box if you have been notified by the State Water Resources Control Board (SWRCB) that the UST(s) covered by this place is/are subject to Enhanced Leak Detection Requirements (i.e., UST has any single-wall component and is located within 1,000 feet of a public drinking water well).

Secondary Containment Testing

If portions of the tank system do not have VPH monitoring, the answer should be, “yes.” If none of the UST system is VPH monitored the answer should be – “no.”

Spill Bucket Testing

If you have spill buckets, they must be tested annually.

Record-keeping

UST Tank Information Monitoring Recordkeeping

Indicate the records you maintain to show compliance.

Training

UST Tank Information Monitoring Training

Personnel with UST Monitoring Responsibilities are Familiar with Training Documents

Select the box to verify that personnel with UST monitoring responsibilities are familiar with all of the following documents relevant to their job duties: • UST Monitoring Plan • Operating Manuals for Electronic Monitoring Equipment • CA UST Regulations • CA UST Law • SWRCB Handbook for Tank Owners- Manual and Statistical Inventory Reconciliation • SWRCB Publication: Understanding Automatic Tank Gauging Systems.

Specify Other Training Documents

Enter a brief description of the other training document(s) maintained at the facility. If additional space is needed, use the “Comments and Additional Information” section at the end of this form.

Designated Operator Training

The answer to this must be – “yes.” Select this box to verify that this statement is true.

Comments / Additional Information

UST Tank Information Monitoring Comments and Additional Information

Comments and Additional Information

Make additional comments or you may attach and identify the number of additional pages of information to describe any additional UST system monitoring-related information (e.g., additional information required by your local agency). Attach any monitoring logs that will be used for monitoring your tank system.

Personnel Responsibilities

UST Tank Information Monitoring Personnel Responsibilities

In this section indicate the individual(s) directly responsible for implementing the monitoring plan.

Save or copy information to/from other monitoring plans

Save or copy information to/from other monitoring plans

Save the monitoring plan here. You can also copy a monitoring plan from another tank (at the same facility). Or, use what was just entered to create the monitoring plan for another tank.

 

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