Gasoline Dispenser Hose

PermeationWorkshop

November 13, 2003Monitoring and Laboratory Division

Air Resources BoardCalifornia Environmental Protection

Agency

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Agenda

• Introductions• Background for Regulating Hose

Permeation • Baseline Emission Estimate• Suggested Standard • Testing Considerations• Cost-Effective Analysis • Schedule

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SIP Vapor Recovery Measures

Measure Description

FVR-1Enhanced Vapor Recovery forAboveground Storage Tanks

FVR-2 Gasoline Dispensing at Marinas

FVR-3 Hose PermeationON-RD HVY-

DUTY-2Cargo Tanks

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Gasoline Dispenser Hoses

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UL 330 - Standard for Safety for Hose and Hose Assemblies

for Dispensing Flammable Liquids

• Six day, 3150 cycle/day flex test• Refill hose every 24 hours• Divide volume of fuel added over

the six days by volume of the hose• Allows 30% total loss

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Hose Permeation Emissions

• Assume 12 hoses/station

• Assume gasoline permeation at levels allowed by UL 330

• Estimate 3 tons/day statewide

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SAE J1527 Marine Fuel Hoses

• Applicable to hoses on pleasurecraft• 100 g/m2/day permeation limit

up to 1.7 tons/day

emission reductionsstatewide

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Permeation Regulations

• Portable fuel containers (CA)– 0.4 g/gal/day per TM 513 (SHED)

• Small off-road engine fuel tanks (CA)– 2 g/m2/day per TP-901

• Nonroad Large SI Engines and Recreational Engines (Marine and Land) fuel hoses (USEPA)– 5 g/m2/day @ 23 deg C per SAE J1527

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Low Permeation Fuel Hose Technology

• Entire hose made with low permeation material

• Low permeation barrier layer(s)

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Permeation Testing

• Test existing hoses to refine baseline emission estimate

• Test prototype hoses to set best achievable permeation limit

• Identify options for certification test

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Testing Considerations• Durability - aging and cycle tests

• Pre-Conditioning– fill hose with fuel and wait for saturation

• Type of fuel• Hose configuration

– single or co-axial

• Temperature– typical or worst-case?

• Cost of test

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Cost for Low Permeation Hoses

• USEPA estimates incremental cost of $1.00/ft for engine fuel hoses

• For 12 foot coax hose => $24

• Used $50 increase/hose for initial cost estimate

• Hoses today cost $100 - $200 (?)

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Cost-Effectiveness

• Assume hose life of one year• Assume cost increase of $50 per hose• Total annual cost = $6,780,000

$6,780,000/yr 1 ton 1 yr 1.7 tons/day 2000 lb 365 days

= $5.46/lb

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Cost Effectiveness of Major Regulations

Hand Cleaner

OBD1

0.25HC LDV

4-Stroke Law nLEV2-Stroke Law n

Off-Road Diesel Medium TruckOff-Road Motorcycle 2.4 HDDE

Off-cycle LDT0.4 Nox LDV

5g HDD

RFG2

PWC/Outboard

On-Road Motorcycles

Aerosol Adhesives

Inboard Sterndrive

SORE Handheld

SORE Nonhandheld

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1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005

Board Hearing Year

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EVR

Ind. Maint. Coatings

Carpet Cleaner

hoseperm

Cost-effectiveness for ARB Major Regulations

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Tentative Rulemaking Schedule

• Feb 2004 - complete preliminary tests• Mar 2004 - post draft standard and TP• Apr 2004 - second workshop• Jun 2004 - finalize staff proposal• Aug 2004 - release staff proposal• Sept 2004 - Board hearing** schedule may slip due to testing and/or other priorities,

but expect Board hearing no later than December 2004

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Proposed Implementation Schedule

• Dec 2004* - approved by Board• Sept 2005 - finalize rulemaking and

begin certification • Jan 2007* - required for new installations• Jan 2011- required for all facilities

* commitment dates in revised SIP Settlement Agreement (June 2003)

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Contact Information

Cindy Castronovoccastron@arb.ca.gov

(916) 322-8957

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