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RE: effective environmentally friendly cleaners for beach areas?

They might also want to explore some sort of gull deterrent in the
future such as placing wires above the dock.

-----Original Message-----
From: owner-beachnet@great-lakes.net
[mailto:owner-beachnet@great-lakes.net] On Behalf Of Mike Sadowsky
Sent: Tuesday, September 18, 2007 9:45 AM
To: Shannon Briggs; beachnet@great-lakes.net
Subject: Re: effective environmentally friendly cleaners for beach
areas?

Hi Shannon:

I am assuming that the dock surface is above the waterline. If so, 
the likely safest thing to use on the Dock is dilute Hydrogen 
Peroxide (3%). When exposed to organic matter and sunlight and 
bacterial action it breaks down to water and oxygen. I would apply it 
liberally to teh "messy dock surface", let it sit until the bubbles 
stop and then hose it off.

Mike


At 09:36 AM 9/18/2007, Shannon Briggs wrote:
>Alicia Carlson from the NH Beach Program has a question:
>
>I had a request this summer from a beach manager who has a duck and
>gull problem at his beach.  In past years, a floating dock at the
>beach
>attracted waterfowl and, as you can imagine, they made a mess of it.
>The beach users are very fond of this dock and most were quite unhappy
>when the beach manager decided to remove the dock for this summer.  He
>felt there was little he could do to clean off the bird droppings
>without contaminating the beach water with bacteria.
>
>Does anyone know of any cleaners that could be used on a structure in
>the water that will effectively remove most or all traces of bacteria
>without contaminating the water with bacteria or chemical pollutants?
>Any information you have would be appreciated!
>
>Thank you,
>Alicia Carlson
>NH Beach Program
>
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Dr. Michael Sadowsky
Distinguished McKnight Professor

Department of Soil, Water, and Climate; and
BioTechnology Institute
University of Minnesota
1991 Upper Buford Circle, 439 Borlaug Hall
St. Paul, MN 55108 (USA)
Phone: (612) 624-2706
PLEASE NOTE NEW EMAIL
Email: Sadowsky@umn.edu
FAX: (612) 625-2208  

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