Re: Deice trucks

[bill london <london@moscow.com>]

It seems to me that this conversation on the "de-icing" compound used on roads
locally is another great example of the usefulness and power of V2020.
Thanks to all for posing the question, and sharing the information.
BL

Bill Strand wrote:

> Hello Ry,
>
> "Fir squeezings" isn't quite accurate. Both Washington and Idaho states use
> corrosion inhibited calcium chloride. Calcium chloride is a byproduct of the
> chemical recovery process of pulp mills and can be used "as is" for road
> de-icing in place of rock salt, but I don't believe it meets the Washington
> and Idaho Dept of Transportation requirements. As a result, it is normally
> treated prior to use to reduce its corrosiveness (to about 90% less than
> rock salt). A mill like Potlatch supplies only a small amount of the CaCl2
> required by the State. Overall, it is a lot less destructive than rock salt.
> In addition, you require only half as much CaCl2 compared to NaCl for the
> same amount de-iceing
>
> I don't know what they add to the CaCl2 to reduce corrosion. According to
> the literature, it is a relatively save agent that can be found in a number
> of common household products.
>
> Hope this helps.
>
> Bill Strand
>
> -----Original Message-----
> From:   Cliff Todd [mailto:forester@moscow.com]
> Sent:   Friday, November 24, 2000 7:10 PM
> To:     Ry Jones; vision2020@moscow.com
> Subject:        Re: Deice trucks
>
> Fir squeezings. I've been told it comes from Potlatch's paper mill. A value
> added product developed from their waste stream.
> Cliff
> ----- Original Message -----
> From: Ry Jones <rjones@airgap.net>
> To: <vision2020@moscow.com>
> Sent: Friday, November 24, 2000 2:40 PM
> Subject: Deice trucks
>
> > Hola,
> > I was trapped behind a deice truck today on 95 and I was wondering if
> > anyone knows what it is that the deice trucks spray on the roads?
> >
> > It would seem to all end up in run off, that's why I'm asking.
> > Thanks,
> > Ry
> >