Nickel, cobalt and manganese, found in lithium-ion batteries, increased dramatically at Elkhorn Slough after the fire.

Lithium-ion fires are prone to reigniting because the lithium salts used in the battery are self-oxidizing, meaning that they can't be "starved out" like a traditional fire, according to safety ...

Scientists have linked a lithium battery plant fire in California earlier this month to a surge in heavy metals found in nearby soil.