Filter Material for Filtration Beds and Swales  

 
         
  is a unique blend of sands and wood fibre organic amendment meeting and exceeding the filtration rates specified by the Contra Costa County Water Program, Stormwater C3 guidebook requirments effective January 2009.  
     
   
   
 

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or download PDFs of soil testing results:

Testing.pdf, TestingA.pdf, TestingB.pdf, Testing1.pdf, Testing2.pdf and Testing3.pdf

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