№ files_lp_4_process_3_096437
Regulatory technical procedure describing durability testing and fuel system preconditioning requirements for evaporative emission control systems in off-highway recreational vehicles during certification.
Document Type: Technical regulatory testing procedure
Subject: Evaporative emission control systems for off-highway recreational vehicles
Regulatory Reference: “901” durability requirements (amended July 26, 2004)
Related Regulation: California Exhaust Emissions Standards and Test Procedures for 1997 and Later Off-Highway Recreational Vehicles and Engines (October 25, 2012)
Responsible Authority: California Environmental Protection Agency, Air Resources Board
Vehicle Category: Off-Highway Recreational Vehicles (OHRV)
Key Components Covered: Carbon canister, pressure vent valve, fuel system components
Test Methods: Thermal cycling, vibration testing, carbon canister protection tip test, evaporative system preconditioning
Fuel Specification: E10 certification fuel (commercial pump fuel with 10 percent ethanol)
Preconditioning Duration: 3,360 hours soaking period or equivalent demonstrated steady-state permeation
Environmental Conditions: Ambient temperature maintained between 68ºF and 86ºF during soaking
Acceptance Criterion: Carbon canister weight gain below 10 percent of butane working capacity
Referenced Test Procedures: TP-901 permeation test procedure; 40 CFR §1060.520
Application Context: Certification of evaporative emission control system families prior to evaporative emissions testing
Price: 8 / 10 USD
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