Times of San Diego

Structural fill dirt vs. topsoil: When to use each

What Is It Made Of? Unlike other soil types for construction, structural fill is carefully selected and processed to ensure it meets stringent engineering standards. It is composed mostly of inorganic ...
The Indianapolis Star

Potentially harmful coal ash could be buried in your town. Here's what you need to know.

Coal ash, a byproduct of burning coal to generate power that contains an alphabet soup of toxic contaminants, has been used for decades in Indiana and across the U.S. as construction fill. Here's what ...
WIBW

Environmental groups want stronger rules for use of coal ash fill after EPA reveals new risks

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 ...
WFAE

Coal ash more hazardous than previously known, EPA says, could alter Chapel Hill cleanup plan

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 ...
The Indianapolis Star

EPA: Cancer risk from coal ash higher than previously revealed. Could it be in your yard?

Retired EPA scientist Larry Jensen has known about the radioactive risks of coal ash for years. He did a study more than 15 years ago in a northern Indiana town essentially built on the waste. Jensen ...