California Code of Regulations
Title 27 - Environmental Protection
Division 3 - Electronic Submittal of Information
Subdivision 1 - Data Dictionary for Regulated Activities
Chapter 3 - Underground Storage Tank
D - UST Monitoring Plan

Universal Citation: 27 CA Code of Regs D
Current through Register 2024 Notice Reg. No. 38, September 20, 2024

ID ELEMENT CODES/CRITERIA LENGTH TYPE INFORMATION DESCRIPTION CERS MINIMALLY REQUIRED FIELDS
1 Facility ID Number 13 AN A facility identifier assigned by the local regulator supporting cross-linking of CERS and local data system records. Because CUPAs do not consistently apply the original regulatory definition of this field (2 AN county 3 AN jurisdiction 6 AN facility number), CERS accepts any alphanumeric string up to 13 characters. The original regulator goals of this field are fulfilled through the CERS ID and CERS System Field "FacilityRegulatorKey" (20.0084). False
1a CERS ID Cal/EPA assigned, 8- or 9- digit ID assigned to a specific facility that never has leading zeroes (begins at 10000001). Cal/EPA does not anticipate using 9- digit CERS IDs until the year 2020 or beyond. 9 N A CERS ID is a Cal/EPA-assigned, 8- or 9- digit ID to uniquely identify a facility in CERS. The CERS ID should remain unchanged across different owners/operators of a facility. False
3 Business Name 70 AN Full legal name of business. True
103 Business Site Address 70 AN Street address where facility is located. No post office box numbers are allowed. This information must provide a means to geographically locate the facility. The "Supplemental Location Text" field can also be used to capture additional information where the facility's formal address is unclear or not available. True
104 City (Business) 60 AN City or locality name in which the facility/site is physically located. True
490-3a Monitoring 01 = Annually 2 AN Describes frequency of service performed True
Equipment Serviced 99 = Other on monitoring equipment.
490-3b Specify Other Frequency of Monitoring Equipment Service Narrative 15 AN Describes other frequency of service performed on monitoring equipment. False
490-4 Site Plot Plan Submitted 1 = New Plan Submitted 1 AN Indicates if a site plan is submitted with this plan or a previously submitted site plan is True
2 = Site Plan Previously Submitted current for the facility.
490-5 Continuous Electronic Tank Y = Yes 1 AN Indicates if continuous tank monitoring is used at the site. False
Monitoring N = No
490-6 Tank Secondary 01 = Dry 2 AN Description of Tank False
Containment 02 = Liquid-Filled secondary containment
System 03 = Pressurized system.
04 = Under Vacuum
490-7 Electronic Monitor Panel Manufacturer 25 AN Name of the tank electronic monitor panel. False
490-8 Electronic Monitor Panel Model # 35 AN Model number of electronic monitor panel. False
490-9 Leak Sensor Manufacturer 20 AN Name of leak sensor manufacturer. False
490-10 Leak Sensor Model # 35 AN Model number of leak sensor False
490-11 Automatic Tank Gauging Y = Yes 1 AN Indicates if this type of monitoring (automatic tank gauging) is being performed at the False
N = No site.
490-12 ATG Panel Manufacturer 25 AN Name of ATG panel manufacturer False
490-13 ATG Model # 35 AN Model of ATG panel False
490-14 In-Tank Probe Manufacturer 25 AN Name of ATG in-tank probe manufacturer False
490-15 In-tank Probe Model # 35 AN Model number of ATG in-tank probe. False
490-16 Tank Leak Test 01 = Continuous 2 AN Frequency of tank leak test. False
Frequency 02 = Daily/Nightly
03 = Weekly
04 = Monthly
99 = Other
490-17 Other Leak Test Frequency Narrative 10 AN Other frequency of tank leak test. False
490-18 Programmed 01 = 0.1 GPH 2 AN Sensitivity of the programmed leak tests. False
Tank Tests 02 = 0.2 GPH
99 = Other
490-19 Other Programmed Tests Narrative 15 AN Other designated sensitivity of programmed leak test. False
490-20 Monthly Statistical Inventory Y = Yes 1 AN Indicates if inventory reconciliation is being performed at the site. False
Reconciliation N = No
490-21 Weekly Manual Tank Gauge Y = Yes 1 AN Indicates if weekly manual tank gauging is being performed at this site. False
N = No
490-22 Tank Gauging 01 = 36 Hours 2 AN Length of time for manual tank gauging period. False
Test Period 02 = 60 Hours
490-23 Tank Integrity Testing Y = Yes 1 AN Indicates if tank integrity testing is performed at the site. False
N = No
490-24 Tank Integrity 01 = Annually 2 AN Frequency of tank integrity False
Testing 02 = Biennially testing.
Frequency 99 = Other
490-25 Specify Other Tank Integrity Testing Frequency Narrative 15 AN Frequency of other tank integrity testing. False
490-26 Other Monitoring Y = Yes 1 AN Indicates if another type of monitoring is used at the site, not already indicated. False
N = No
490-27 Specify Other Monitoring Narrative 100 AN Specifies the other type of monitoring. False
490-28 Continuous Monitoring of Y = Yes 1 AN Indicates if continuous monitoring of the piping secondary containment occurs at the site. False
Piping Secondary Containment N = No
490-29 Piping Secondary 01 = Dry 2 AN Type of piping secondary False
Containment 02 = Liquid containment.
03 = Pressurized
04 = Under Vacuum
490-30 Panel Manufacturer Narrative 25 AN Name of panel manufacturer. False
490-31 Panel Model # 35 AN Model number of panel. False
490-32 Leak Sensor Manufacturer Narrative 25 AN Name of leak sensor manufacturer. False
490-33 Leak Sensor Model 35 AN Model of leak sensor. False
490-34 Leak Alarm Triggers Y = Yes 1 AN Indicates pump shutdown when a leak alarm occurs. False
Automatic Pump Shutdown N = No
490-35 Failure/Disconnect Triggers Y = Yes 1 AN Indicates pump shutdown when failure or disconnect occurs. False
Pump Shutdown N = No
490-36 Mechanical Line Leak Detector Y = Yes 1 AN Indicates that a 3 GPH line mechanical line leak detector is used at the site. False
Performs 3 GPH Leak Test N = No
490-37 MLLD Manufacturer Narrative 25 AN Name of leak detector manufacturer. False
490-38 MLLD Model 35 AN Model of leak detector. False
490-39 Electronic Line Leak Detector Y = Yes 1 AN Indicates that an electronic line leak detector (ELLD) is used at the site. False
Performs 3 GPH Leak Test N = No
490-40 ELLD Manufacturer Narrative 25 AN Manufacturer of electronic line leak detector (ELLD). False
490-41 ELLD Model 35 AN Model of electronic line leak detector (ELLD). False
490-42 ELLD 01 = 0.2 GPH 2 AN Type of electronic line leak False
Programmed In-Line Testing 02 = 0.1 GPH detector (ELLD) test performed.
490-43 ELLD Triggers Automatic Pump Y = Yes 1 AN Indicates if electronic line leak detector (ELLD) triggers automatic pump shutdown. False
Shutdown N = No
490-44 ELLD Failure/Disconnect Y = Yes 1 AN Indicates if electronic line leak detector (ELLD) triggers auto-shutdown for failure or False
Triggers Automatic Shutdown N = No disconnection.
490-45 Pipeline Integrity Testing Y = Yes 1 AN Indicates if pipeline integrity testing occurs at the site. False
N = No
490-46 Pipeline Integrity 01 = Annually 2 AN Frequency of pipeline integrity testing. False
Testing 02 = Every 3 Years
Frequency 03 = Other
490-47 Specify Other Integrity Testing Frequency 10 AN Other frequency of pipeline integrity testing. False
490-48 Visual Pipeline Monitoring Y = Yes 1 AN Indicates if visual pipeline monitoring occurs at the site. False
N = No
490-49 Visual Pipeline 01 = Daily 2 AN Frequency of visual pipeline False
Monitoring 02 = Weekly monitoring.
Frequency 03 = Minimum Monthly
490-50 Suction Piping Meets Y = Yes 1 AN Indicates if suction piping that meets the criteria is the method to monitor the pipeline. False
Exemption Criteria N = No
490-51 No Regulated Piping Per Y = Yes 1 AN Indicates that any piping connected to the tank system is not regulated under the UST law, or False
Health and Safety Code, Division 20, Chapter 6.7 Is Connected To The Tank System N = No there is no piping connected to the tank system.
490-52 Other Pipeline Monitoring Y = Yes 1 AN Indicates if other pipeline monitoring option used at site. False
N = No
490-53 Specify Other Pipeline Monitoring Narrative 100 AN Identifies other monitoring option. False
490-54a UDC 1 = Continuous 2 AN Indicates type of under dispenser containment True
Monitoring 2 = Float and Chain Assembly (UDC) monitoring.
3 = Electronic Standalone
4 = No Dispensers
99 = Other
490-54b Specify Other UDC Monitoring Narrative 15 AN Indicates type of other under dispenser containment (UDC) monitoring. False
490-55 UDC Panel Manufacturer Narrative 25 AN Manufacturer of under dispenser containment (UDC) panel. False
490-56 UDC Panel Model # 35 AN Model # of under dispenser containment (UDC) panel. False
490-57 UDC Leak Sensor Manufacturer Narrative 20 AN Manufacturer of under dispenser containment (UDC) leak sensor. False
490-58 UDC Leak Sensor Model 35 AN Model # of under dispenser containment (UDC) leak sensor. False
490-59 Detection of a Leak into the Y = Yes 1 AN Indicates if alarms are triggered when a leak is detected in the under dispenser containment False
UDC Triggers Audible and Visual Alarms N = No (UDC).
490-60 UDC Leak Alarm Triggers Y = Yes 1 AN Indicates if an under dispenser containment (UDC) leak alarm causes automatic pump False
Automatic Pump Shutdown N = No shutdown.
490-61 Failure/Disconnection of UDC Y = Yes 1 AN Indicates if failure or disconnection of the under dispenser containment (UDC) monitoring False
Monitoring System Triggers Automatic Pump Shutdown N = No system causes pump shutdown.
490-62 UDC Monitoring Stops Flow Y = Yes 1 AN Indicates if the under dispenser containment (UDC) monitor stops the flow of product at False
of Product at Dispenser N = No the dispenser.
490-63 UDC 1 = Single-walled 1 AN Indicates the type of under False
Construction 2 = Double-walled dispenser containment (UDC) construction.
490-64a UDC Secondary 01 = Liquid 2 AN Type of under dispenser False
Containment 02 = Pressure containment (UDC)
Monitoring 03 = Vacuum secondary containment monitoring.
490-64b A Leak Within the Secondary Y = Yes 1 AN Indicates that a leak in the under dispenser containment (UDC) secondary containment False
Containment of UDC Causes Audible and Visual Alarms N = No causes audible and visual alarms.
490-65 ELD Testing Y = Yes 1 AN Indicates if tanks are enhanced leak detection (ELD) tested on a periodic basis. False
N = No
490-66 Secondary Containment Y = Yes 1 AN Indicates if secondary containment testing is conducted every 36 months. False
Testing N = No
490-67 Spill Bucket Testing Y = Yes 1 AN Indicates if spill bucket testing is conducted annually. False
N = No
490-68a Alarm Logs Y = Yes 1 AN Indicates that alarm log records are kept for the facility. False
N = No
490-68b Visual Inspection Records Y = Yes 1 AN Indicates that visual inspection records are kept for the facility. False
N = No
490-68c Tank Integrity Testing Results Y = Yes 1 AN Indicates that tank integrity testing results are kept for the facility. False
N = No
490-68d SIR Testing Results Y = Yes 1 AN Indicates that statistical inventory reconciliation (SIR) testing results and supporting False
N = No documentation records are kept for the facility.
490-68e Tank Gauging Results Y = Yes 1 AN Indicates that tank gauging results and supporting documentation records are kept for the False
N = No facility.
490-68f ATG Testing Results Y = Yes 1 AN Indicates that ATG testing results and supporting documentation records are kept for the False
N = No facility.
490-68g Corrosion Protection Logs Y = Yes 1 AN Indicates that corrosion protection logs are kept for the facility. False
N = No
490-68h Equipment Maintenance and Y = Yes 1 AN Indicates that equipment maintenance and calibration records are kept for the facility. False
Calibration Records N = No
490-69a Personnel with UST Monitoring Y = Yes 1 AN Indicates that personnel within the facility are familiar with the indicated documents. False
Responsibilities are Familiar with Training Documents N = No
490-69b UST Monitoring Plan Y = Yes 1 AN Indicates that facility personnel are familiar with the UST monitoring plan for the facility. False
N = No
490-69c Operating Manuals Y = Yes 1 AN Indicates that facility personnel are familiar with the UST operating manuals for the facility. False
N = No
490-69d CA UST Regulations Y = Yes 1 AN Indicates that facility personnel are familiar with the California UST regulations. False
N = No
490-69e CA UST Law Y = Yes 1 AN Indicates that facility personnel are familiar with the California UST law. False
N = No
490-69f SWRCB Handbook for Tank Y = Yes 1 AN Indicates that facility personnel are familiar with the SWRCB Handbook for Tank Owners - False
Owners - Manual and SIR N = No Manual and SIR.
490-69g SWRCB Publication: Y = Yes 1 AN Indicates that facility personnel are familiar with the SWRCB Publication: Understanding False
Understanding Automatic Tank Gauging Systems N = No Automatic Tank Gauging Systems.
490-69h Other Training Documents Y = Yes 1 AN Indicates that other training documents are used. False
N = No
490-69i Specify Other Training Documents Narrative 100 AN List of the other training documents that are used. False
490-70 Designated Operator Training Y = Yes 1 AN Indicates that the facility has a designated operator and that training will be provided. False
N = No
490-71 Comments and Additional Information Narrative 300 AN Additional information to support the application for an operating permit. False
490-72 Name of First Person Having Responsibility 80 AN Name of first person having responsibility for monitoring. True
490-73 Title of First Person Having Responsibility 50 AN Title of first person having responsibility for monitoring. True
490-74 Name of Second Person Having Responsibility 80 AN Name of second person having responsibility for monitoring. False
490-75 Title of Second Person Having Responsibility 50 AN Title of second person having responsibility for monitoring. False
490-76 Signature Representation 01 = Tank Owner/Operator 2 AN Indicates who signed the monitoring plan. False
02 = Facility Owner/Operator
03 = Authorized Representative of Owner
490-77 Signature Date YYYY-MM-DD 10 D Date monitoring plan is certified. False
490-78 Applicant Name 80 AN Name of applicant signing monitoring plan. False
490-79 Applicant Title 50 AN Title of applicant signing monitoring plan. False

1. New form filed 12-18-2007; operative 1-17-2008 (Register 2007, No. 51).
2. Amendment filed 12-17-2013; operative 12-17-2013 pursuant to Government Code section 11343.4(b)(3) (Register 2013, No. 51).

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