ON SITE WASHOUT CORP. is a closely held California Corporation operating from Santa Cruz,
California.  We manufacture two Environment Friendly Portable Concrete Washout Systems.         
A number of patents have been filed and are pending on both systems.

One of the ON SITE WASHOUT CORP. founders is Kim Leonardich who owns and has managed
Concrete Pumping Businesses running multiple Concrete Boom and Trailer Pumps for over 35
years.  While disposal of waste concrete and contaminated washout water has always been a
problem in the concrete industry, he noticed that local government, EPA and job site regulations
were becoming more stringent while fewer options for a pump washout were available.  After
spending more and more time looking for places to wash out his Concrete Trailer Pumps and    
the loss of income this caused, Kim came up with ideas for two self-contained Environment
Friendly Portable Concrete Washout Systems.

Another of the company founders is Norman Gruczelak who has worked as an Engineer for over
30 years.  He is the holder of 7 patents

Together, they designed and built prototypes of the Portable Concrete Washout Systems which
were tested on actual job sites.  Results have been praised by Builders, Contractors, Concrete
Trailer Pump Operators and Ready Mix Providers everywhere it is used.  
ABOUT US:
ON SITE WASHOUT CORP.
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Environment Friendly Portable Concrete Washout Systems