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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: UL labs and ethanol dispensing devices
Date: Mon, 9 Oct 2006 17:47:00 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>


Begin forwarded message:

> From: "mwilli7119" <mwilli7119@yahoo.com>
> Date: October 9, 2006 12:29:49 PM EDT
> To: canard-aviators@yahoogroups.com
> Subject: [c-a] UL labs and ethanol dispensing devices
>
> I thought the following information from UL, on ethanol dispensing
> devices, might be of interest.
>
> Dear Valued Customer:
>
> Effective immediately, Underwriters Laboratories Inc. is suspending
> authorization to use UL Markings (Listing or Recognition) on
> components for fuel dispensing devices that specifically reference
> compatibility with alcohol blended fuels that contain greater than
> 15% alcohol (i.e. ethanol, methanol or other alcohols). Dispenser
> components as they relate to use with traditional fuel blends (i.e.,
> blended fuels containing 15% or less alcohols) are unaffected. In
> all cases, acceptability of fuel dispensers for using alcohol-blended
> fuels containing greater than 15% alcohol (e.g., E-85) remains at the
> discretion of the Authority Having Jurisdiction.
>
> Research indicates that the presence of high concentrations of
> Ethanol or other alcohols within blended fuels makes these fuels
> significantly more corrosive. This may result in the fuel chemically
> attacking the materials used in fuel dispenser components, and may
> ultimately degrade the dispenser's ability to contain the fuel.
> While UL has no evidence of field issues related to this application,
> we are suspending authorization to use the UL Mark on components used
> in dispensing devices that will dispense any alcohol blended fuels
> containing over 15% alcohol until updated certification requirements
> are established and the effected components have been found to comply
> with them.
>
> Our engineers are actively reviewing current E-85 research and
> meeting with industry and government experts to gather the
> information required to draft the revised certification
> requirements. UL anticipates that testing of E-85 dispenser
> components will commence immediately following publication of UL's E-
> 85 certification requirements, as they pertain to the use of these
> higher alcohol blended fuels on a dispenser system. We remain
> committed to undertaking in an expeditious manner the thorough and
> broad based effort necessary to develop the appropriate requirements
> that will adequately address E-85 compatibility.
>
> UL staff will be attending the PEI show in Las Vegas from October 9-
> 11, 2006 and will be available to address any of your questions. We
> look forward to working with you in our effort to develop dispenser
> and dispenser component requirements for the use of Ethanol based
> fuels.
>
> Best regards,
>
> Kerry McManama
> General Manager
> Hazardous Locations and Gas & Oil
> +1 (847) 664-2469
> - For more information about UL, its Marks, and its services for
> EMC, quality registrations and product certifications for global
> markets, please access our web sites at http://www.ul.com and
> http://www.ulc.ca or contact your local sales representative. --
>
>
>