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3841364 
Technical Report 
A Plan for Study of Hexavalent Chromium, Cr(VI), in Groundwater near a Mapped Plume, Hinkley, California, 2016: U.S. Geological Survey Open-File Report 2016-1004 
Izbicki, JA; Groover, K 
2016 
U.S. Geological Survey 
Sacramento, CA 
English 
The Pacific Gas and Electric Company (PG&E) Hinkley compressor station (fig. 1), in the Mojave Desert 80 miles northeast of Los Angeles, is used to compress natural gas as it is transported through a pipeline from Texas to California. Between 1952 and 1964, cooling water used at the compressor station was treated with a compound containing chromium to prevent corrosion. After cooling, the wastewater was discharged to unlined ponds, resulting in contamination of soil and groundwater in the underlying alluvial aquifer (Lahontan Regional Water Quality Control Board, 2013). Since 1964, cooling-water management practices have been used that do not contribute chromium to groundwater. 
Ground water; Hexavalent chromium Cr(VI); Plume maps; Compressed natural gas; Pipeline transportation; Man-made resources; Water quality; Remediation action; Water resources areas; Mojave Desert (CA); USGS-OFR-2016-1004 
IRIS
• Chromium VI
     Considered
          Excluded
               Other Not Pertinent
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