Treated waste exported from Los Angeles and other counties into the Central Valley would be subject to additional testing under a bil approved by the Assembly on Thursday.
The measure, by Assemblyman Rudy Salas Jr. (D-Bakersfield), is the latest show of long-simmering tension in Kern County, where residents have objected to imports of sewage sludge, the semi-solid material leftover after treatment of human waste. The city of Los Angeles owns 4,700 acres in Kern County, where the sewage sludge, also known as “biosolids,” is recycled as fertilizer.
Most experts say such recycled products are safe if handled properly. In response, Salas has pointed to a 2009 U.S. Environmental Protection Agency study, which found a number of heavy metals, pathogens and other worrisome contaminants in sludge samples…