Understanding the differences between structural fill dirt and topsoil is crucial for anyone involved in construction and landscaping projects. The success of these projects often depends on selecting ...

Coal ash, what’s left over after coal is burned to generate electricity, is one of the largest waste streams in the U.S., with hundreds of millions of tons of it lying in hundreds of sites across the ...

You can read the full EPA draft risk assessment report that address more than just structural fill (82 pages) or excerpts that are specific to that use (10 pages). We’ve annotated the second document ...