Throughout the facility are a number of so-called “ponds” which are extraordinarily polluted and sit at the very top of the headwaters of the Los Angeles River across the Ventura County line to the east. Dioxin was detected in SSFL’s R2 pond at levels as high as 12,400 parts per trillion (ppt). In a July 2005 dioxin OEHHA report (by the Office of Environmental Health Hazard Assessment’s Pesticide and Environmental Toxicology Branch), a proposed Public Health Goal (PHG) of 0.001 ppt had been developed for 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in drinking water. The R2 Pond is not used for drinking water, of course, as its dioxin level exceeds the PHG by 1,240,000 times. It also exceeds the U.S. EPA’s “Maximum Contaminant Level” for drinking water by 413,333 times and blows through the federal agency’s “ambient water criteria level” by a whopping 2,480,000,000 times, or by a factor of nearly two and half billion.

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