Soil Mixing

[Hockeyfan960]

I am trying to find out what formula I should use in trying to figure out the volume of "clean" soil I need to mix to contaminated soil in order to bring the concentration of the contaminated soil below the threshold level...

Can anyone give me a place to start...??

 

[Slugger926]

I am trying to find out what formula I should use in trying to figure out the volume of "clean" soil I need to mix to contaminated soil in order to bring the concentration of the contaminated soil below the threshold level...
Can anyone give me a place to start...??

An algebra book.

 

[Slugger926]

An algebra book.

This is a weighted average problem answered in the GeoTech portion of the Civil Engineering PE prep section of this forum.