Checking snopes:
http://www.snopes.com/inboxer/household/gastips.asp
On Apr 2, 2008, at 3:34 PM, Kitterer Bob wrote:
> Herb,
>
> I have seen this recommendation for years and it is certainly true if
> the tanks are above ground or at the surface. But I wonder if that
> is true for buried tanks. All of the tanks that I have seen at
> filling stations appear to be at least ten feet below the surface.
> Caves for instance are close to 50 degrees regardless of the weather
> outside or the time of year. So it is hard to see where a tank at
> ten plus feet is going to change temperature in the course of a day.
> Has someone done a temperature measurement in recent years or is this
> a carry over recommendation from the early 1900's?
>
> Curious minds and all that stuff.
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