 On July 2, 2013, the California Department of Toxic Substances Control—DTSC released a draft decision on a permit modification that would allow Waste Management, Inc. to increase the capacity of the hazardous waste landfill.This modification would add about 14 landfill acres and increases the capacity by 50 percent, or approximately 5 million cubic yards.The effect of this expansion would add an estimated 4.6 billion pounds of toxic waste to the site.