refueling spillage control for small off-road engines air resources board august 6, 1998 dean...
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Components of Refueling Emissions Equipment Refueling Spillage. Vapor Displacement During Refueling Event. Container Spillage During Transport and Storage. Container Diurnal and Breathing or Resting Losses. Missing: Container Vapor DisplacementTRANSCRIPT
Refueling Spillage Control For Refueling Spillage Control For Small Off-Road EnginesSmall Off-Road Engines
Air Resources Board August 6, 1998Dean Bloudoff
Refueling Spillage Control WorkshopRefueling Spillage Control Workshop
The Components of Refueling Emissions
Performance Specifications for ‘Spill-Proof’ refueling system.
Preliminary Test Data.Spillage Emissions Inventory.
Components of Refueling Components of Refueling Emissions Emissions
Equipment Refueling Spillage. Vapor Displacement During Refueling
Event. Container Spillage During Transport and
Storage. Container Diurnal and Breathing or
Resting Losses. Missing: Container Vapor Displacement
Equipment CategoriesEquipment Categories
Lawn and Garden - 4,487,694Pleasure Craft (Recreational Marine) -
858,480Recreational Equipment (Off-Road) -
471,238Light Commercial Equipment - 296,117Industrial Equipment - 6,972
Emissions ReductionsEmissions Reductions Conservative Estimate Approximately 15
TPD of Hydrocarbons (HC). HC Emissions Only. Gasoline Fueled 2 and 4 Stroke Engines. Assume 100% Container Fills For 0 - 25 hp. Assume Container Refueling For Some
Categories >25 hp (ex: Personal Watercraft).
‘‘Spill-Proof’ Container Spill-Proof’ Container Performance SpecificationsPerformance Specifications
Automatic Fuel Shut-Off To Prevent Overfilling.
Container Closed When Not In Use (with or without nozzle attached).
Container Vented Only Through Nozzle. Ability To Recover Displaced Refueling
Vapors. Minimum Fuel Flow Rate (1 L in 15 Sec?). One Year Warranty.
ImplementationImplementation
Proposed Regulation Adopted By ARB Spring ‘99.
Mfgr’s Comply w/ New Regulation Jan. 1, 2001 (Proposed).
Average Container Life Span 6 years.Full Compliance by 2007.
Preliminary Test DataPreliminary Test Data
Developed Test Bench to Quantify HC Emissions.
Conducted Controlled Refueling Tests.
Prototype Test BenchPrototype Test Bench
Test Bench DataTest Bench Data
HC Emissions Using Portable FID @ 1 Sec Intervals.
Constant Flow Rate In Duct, Monitored w/ Velocity Sensor.
Ambient Temp and Pressure, Duct Temp.
Container Weighed Before & After Refueling Event.
0
500
1000
1500
2000
HC
(ppm
)
3 4 5 6 7 9 10 11 12Fueling Events
Max Concentration Value & Grams Of Fuel Transferred
HC MaxFuel Transferred/g
DRAFT ONLYDRAFT ONLY
Conventional vs. Spillproof DataConventional vs. Spillproof Data DRAFT ONLY DRAFT ONLY
Concentration Data
0200400600800
10001200
20 40 60 80 100 120 140 160 180Time (sec)
Con
cent
ratio
n R
ange
(ppm
)
ConventionalSpill Proof
Spillage Emissions InventorySpillage Emissions Inventory
Assume 100% Container Fills For 0-25 hp.
Assume 100% Pump Fills >25 hp.Two Exceptions To Above: Personal
Watercraft & Off-Road Recreation.Assume All Refuelings Are Fill-Ups
Spillage Emissions FactorsSpillage Emissions Factors
Refueling Event: 17 g/eventTransport & Storage: 20 g/galContainer Diurnal & Breathing:
1g/gal/dayDisplaced Vapor: 1g/gal
Next StepsNext Steps
Consensus Needed On Performance Specs.
New Products Needed For Larger Container Openings.
Emissions Data.Economic Impact Survey.
Tentative Regulatory ScheduleTentative Regulatory Schedule
Emissions Inventory Presented For Board Consideration December ‘98.
January ‘99 Workshop For Proposed Control Measure.
Staff Report For Proposed Control Measure Will Be Issued 45 Days Prior to Board Consideration in Spring ‘99.
For More InformationFor More Information
http:/www.arb.ca.gov/spillcon/spillcon.htm
Dean Bloudoff - (916) 263-2070Email -