Rialto and Regional Maps

Rialto Plume Concentrations -- 212KB pdf (US EPA Jan 2003 to Aug 2004)

Three Perchlorate Plumes (Press-Enterprise 4/17/03)

Possible Sources of Perchlorate Contamination (US Army Corp of Engineers January 2002)

Norco Maps

Perchlorate and Other Contaminants in Norco (The Press-Enterprise)

Stringfellow Maps

Stringfellow Countour Map of Perchlorate Concentrations (CA DTSC August 2002)

Three-Dimensional Diagram of Stringfellow Plume (CA DTSC)

Pyrite Creek and the Underground Plume (The Press-Enterprise)

Stringfellow Contour Map of Perchlorate Concentrations -- 4MB pdf (CA DTSC March 2006)