The Board of Supervisors called Tuesday for studies of the long-term health effects of the massive Aliso Canyon gas leak and lead contamination from the now-shuttered Exide battery-recycling plant.
Supervisor Michael Antonovich recommended the study related to the natural gas leak that began Oct. 23 at the Southern California Gas Co. storage facility and was shut down 16 weeks later, on Feb. 11.
Supervisor Hilda Solis asked that Antonovich’s motion be expanded to include a similar study for the neighborhoods surrounding the Exide plant in Vernon.
The board’s vote was unanimous in asking staffers to work with the South Coast Air Quality Management District to develop a study.
A SoCalGas spokesman said the utility has agreed to spend up to $400,000 to fund the Aliso Canyon study but is waiting for AQMD officials to propose a plan.
Thousands of residents were displaced from their Porter Ranch homes due to the gas leak. Once the well was sealed and residents returned, some continued to complain of headaches, respiratory and skin irritation.
County health officials reported surface dust in many homes contained “low levels of metal contaminants” consistent with those found in well-drilling fluid. They suggested that the contaminants could be the source of symptoms but said the metals did not pose long-term health risks.
The utility stepped in to clean roughly 1,700 homes of those metals.
Tuesday, some residents told the board they are still suffering and the interim director of the Department of Public Health reminded the supervisors that the “gas leak was unprecedented in the history of this country.”
In the case of the Exide Technologies battery-recycling plant, soils tests in surrounding communities have found significant levels of lead contamination.
State officials have set aside $176.6 million in funding for environmental testing and cleanup work in neighborhoods within a 1.7-mile radius of the closed plant.
The facility permanently closed in March 2015 after years of failing to meet state standards for operating the plant.
After the board meeting, Solis hailed Gov. Jerry Brown’s signing of Assembly Bill 2153, which charges a fee on lead-acid car batteries to help fund clean up contaminated areas.
“We celebrate a victory for communities surrounding the Exide and Quemetco facilities,” Solis said. “AB 2153 will provide much needed clean-up of lead-contaminated soil from thousands of homes surrounding these facilities.”
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