Three decades later, toxic-plume cleanup in Palo Alto’s Barron Park shows success

Three decades later, toxic-plume cleanup in Palo Alto’s Barron Park shows success

After nearly 30 years of groundwater extraction, treatment and monitoring of an underground toxic-chemical plume beneath Palo Alto’s Barron Park neighborhood, the California Department of Toxic Substances Control is shutting down most of the chemical-extraction wells in the area, saying the cleanup program’s goals have been met.