Steve:

Thanks for the follow up

Bryan
======

"S. Stokowski" wrote:

> Bryan:
>
> Yes, this is a chemical fact and an easy test.  It is how one distinguishes
> between coal tar and petroleum asphalt.
>
> The material used to coat blacktop driveways, parking lots, and gas station
> pavements is generally an emulsion of coal tar filled with clay.  The coal
> tar helps to protect the asphalt binder of the blacktop from softening from
> gasoline spills.  It is a chemically-resistant coating.
>
> Steve Stokowski
> Stone Products Consultants
> http://members.aol.com/crushstone/petro.htm
>
> In a message dated 10/13/99 7:29:03 AM Eastern Daylight Time, [log in to unmask]
> writes:
>
> << Is this a chemical fact and can you also state this from repeated personal
>  experience or is this from passed on knowledge as in it was heard someplace.
> I am
>  asking because this is an interesting / easy test and I had assumed that
> gasoline
>  would cut  both. >>