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California Air Resources Board Workshop November 3, 2004 1927 13th Street, Room 202 PowerPoint PPT Presentation


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Aboveground Storage Tank Enhanced Vapor Recovery. California Air Resources Board Workshop November 3, 2004 1927 13th Street, Room 202 1:30 - 3:30 p.m. Aboveground Storage Tank Enhanced Vapor Recovery. Workshop Agenda Welcome and Introductions Overview Tank Population Inventory

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California Air Resources Board Workshop November 3, 2004 1927 13th Street, Room 202

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California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

California Air Resources Board

Workshop

November 3, 2004

1927 13th Street, Room 202

1:30 - 3:30 p.m.


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

2


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

3


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

4


California air resources board workshop november 3 2004 1927 13th street room 202

Overview

Purpose of Enhanced Vapor Recovery (EVR) for Aboveground Storage Tanks (ASTs)

  • To seek additional emission reductions from gasoline marketing operations by increasing the stringency of standards and specifications

  • To improve the performance and reliability of vapor recovery equipment

5


Overview

Overview

In 2000, the Board approved EVR regulations for underground gasoline storage tanks (USTs).

A new rulemaking is required to implement EVR for aboveground gasoline storage tanks (ASTs).

6


California air resources board workshop november 3 2004 1927 13th street room 202

Overview

EVR for ASTs is necessary to:

  • Ensure maximum feasible emissions reductions are achieved

  • Improve quality, reliability and durability of AST vapor recovery systems

  • Provide consistency with the UST EVR program

7


California air resources board workshop november 3 2004 1927 13th street room 202

Overview

A S T

Examples

1000 Gallon Single Wall AST

8

250 Gallon AST on Stand


4 000 gallon single wall with processor

Overview

4,000 Gallon Single Wall with Processor

A S T

Examples

9

2000 Gallon Protected Tank

12,000 Gallon Protected Tank


Proposed ast evr performance standards and specifications

Overview

Proposed AST EVR Performance Standards and Specifications

  • DraftCertification and Test Procedures are available on the ARB Vapor Recovery website, but will be revised pending further testing and monitoring data.

10


Previous inventory efforts

Overview

Previous Inventory Efforts

  • Revisited inventory in response to industry concerns

    • Tank population inventory

    • Emission inventory

11


Status of ast evr

Overview

Status of AST EVR

  • Conducting further studies on:

    • Tank population inventory

    • Emissions inventory

    • Controls

    • Cost

12


California air resources board workshop november 3 2004 1927 13th street room 202

Overview

Status of AST EVR

  • Focus of today’s workshop

    • Tank population inventory

    • Emissions inventory

  • AST proposed regulation and cost analysis will be discussed in future workshops

13


California air resources board workshop november 3 2004 1927 13th street room 202

Overview

Questions

?

14


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

15


Tank population inventory

Tank Population Inventory

Overview

  • Desired information

  • Our approach to acquire information

  • Pilot Survey & Summary

  • Survey timeline

16


Tank population inventory1

Tank Population Inventory

Desired Information

  • Size distribution

  • Location

  • Control level

  • Type of tank

17


Tank population inventory2

Tank Population Inventory

Approach to Acquire Information

  • Districts

  • Water Board

  • Board of Equalization

  • Energy Commission

  • AST Manufacturers

  • Fuel Carriers

18


Tank population inventory3

Tank Population Inventory

Approach to Acquire Information

  • Identify fuel carriers

    • 473 carriers identified by CARB

    • each carrier was contacted

  • Identify gasoline carriers to AST

    • 188 carriers deliver gasoline to AST

19


Tank population inventory4

Tank Population Inventory

Pilot Survey

  • With California Independent Oil Marketers Association (CIOMA)

    • Develop pilot survey

  • Randomly select carriers

    • 32 carriers received pilot survey

20


Tank population inventory5

Tank Population Inventory

Pilot Survey Summary

  • 32 companies received survey

  • 15 companies returned survey

  • 8 companies returned survey with tank information

  • 466 tanks identified

21


Tank population inventory6

Tank Population Inventory

Pilot Survey Summary

22


Tank population inventory7

Tank Population Inventory

Pilot Survey Summary

23


Tank population inventory8

Tank Population Inventory

Pilot Survey Summary

24


Tank population inventory9

Tank Population Inventory

Pilot Survey Summary

25


Tank population inventory10

Tank Population Inventory

Survey Form

26


Tank population inventory11

Tank Population Inventory

Timeline

  • Changes to survey need to be submitted by November 10, 2004 to:

    CARB - MLD

    Attn: LaMar Mitchell

    P.O. Box 2815

    Sacramento, CA 95812

  • [email protected]

  • PHONE: 916-445-9371

  • FAX: 916-324-4457

27


Tank population inventory12

Tank Population Inventory

Timeline

  • Survey mailed to all fuel carriers with AST accounts by mid November

  • Survey returned by mid December

28


California air resources board workshop november 3 2004 1927 13th street room 202

Tank Population Inventory

Questions

?

29


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

30


Emission inventory

Emission Inventory

What are we going to do with the tank population information?

  • Build a population picture

    • Use picture to develop emission inventory

31


Emissions inventory baseline emissions estimate

Emissions Inventory(Baseline Emissions Estimate)

32


Emissions inventory

Emissions Inventory

  • AST Emission Factor Approach

    • Determine AST emission factors using the U.S. EPA Tanks Emissions Estimation Program (AP-42)

    • Suggested by industry

33


Emissions inventory1

Emissions Inventory

  • U.S. EPA Tanks Emissions Estimation Program (AP-42)

    • Emission estimating equations were developed by the American Petroleum Institute (API)

    • Estimates emissions from organic liquid storage tanks

    • http://www.epa.gov/ttn/chief/ap42/ index.html

34


Emissions inventory2

Emissions Inventory

  • U.S. EPA Tanks Emissions Estimation Program (AP-42)

    • Designed for single-wall tank application

    • Can be used for protected tank application

      • Requires fuel surface temperature measurements

35


Emissions inventory3

Emissions Inventory

  • AP-42 Data Collection

    • In August 2004, ARB installed monitoring equipment on 5 ASTs

    • Parameters measured include:

      • fuel surface temperature,

      • ullage pressure and temperature,

      • barometric pressure, and

      • ambient temperature.

36


Emissions inventory4

Emissions Inventory

  • AST Monitoring status:

    • 5 ASTs monitored

      • 4 protected (500-8,000 gallon capacities, different manufacturers, different insulation characteristics)

      • 1 single-wall (250 gallon capacity, on stands, no vapor recovery, open vent)

    • Data collected from August through November 2004

    • Preliminary data analyses in January 2005

37


Emissions inventory preliminary data from a single wall tank

Emissions Inventory(Preliminary Data from a Single-Wall Tank)

38


Emissions inventory preliminary data from a protected tank

Emissions Inventory(Preliminary Data from a Protected Tank)

39


Emissions inventory5

Emissions Inventory

  • Emission factor stakeholder review

    • Assemble Stakeholder Review Team

    • Summarize preliminary data and emission factors

    • Schedule meeting (early 2005)

40


California air resources board workshop november 3 2004 1927 13th street room 202

Emissions Inventory

Questions

?

41


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

42


Rulemaking timeline

Rulemaking Timeline

  • Future AST EVR Workshops

    • Spring 2005

    • Summer 2005

  • Board Hearing Scheduled for Early 2006

  • Staff Report Release Date: 45 days prior to Board Hearing

43


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

44


Contact information

Contact Information

General AST Information

  • Joe Guerrero (916) 324-9487 [email protected]

  • Stephanie Connelly (916) 445-9308 [email protected]

    Tank Population

  • LaMar Mitchell (916) [email protected]

    Emission Inventory

  • Jim Watson (916) [email protected]

45


Contact information1

Contact Information

Need More Information?

  • ARB Vapor Recovery Website:

    • www.arb.ca.gov/vapor/vapor.htm

  • ARB Aboveground Storage Tank Website:

    • www.arb.ca.gov/vapor/ast/ast.htm

46


California air resources board workshop november 3 2004 1927 13th street room 202

Aboveground Storage TankEnhanced Vapor Recovery

Workshop Agenda

  • Welcome and Introductions

  • Overview

  • Tank Population Inventory

  • Emissions Inventory

  • Rulemaking Timeline

  • Contact Information

  • Open Discussion

47


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