When is your home safe after wildfire smoke? California researchers have some answers
Wildfire smoke deposited toxic pollutants like lead, arsenic and benzene into homes and yards, prompting remediation amid limited standards and uncertain health risks.
Cleanup of toxic Richmond waterway creates divisions
Efforts to clear toxic pesticides from the United Heckathorn Superfund Site in Richmond are ongoing, but the EPA's previous remediation measures have proven inadequate, leaving contamination levels elevated.