gasoline dispenser hose permeation workshop
DESCRIPTION
Gasoline Dispenser Hose Permeation Workshop. November 13, 2003 Monitoring and Laboratory Division Air Resources Board California Environmental Protection Agency. Agenda. Introductions Background for Regulating Hose Permeation Baseline Emission Estimate Suggested Standard - PowerPoint PPT PresentationTRANSCRIPT
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
Do
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ou
nd
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)