1. Agency for Toxic Substances and Disease Registry, 2012, Toxicological profile for chromium: Agency for Toxic Substances and Disease Registry, Public Health Service, U.S. Department of Health and Human Services, accessed February 19, 2019, at https://wwwn.cdc.gov/TSP/ToxProfiles/ToxProfiles.aspx?id=62&tid=17.
2. ARCADIS, 2016, Annual cleanup status and effectiveness report (January to December 2015) Pacific Gas and Electric Company, Hinkley Compressor Station, Hinkley, California: San Francisco, Calif., Pacific Gas and Electric Company, prepared by ARCADIS, Oakland, Calif., RC000699, [variously paged], accessed February 2016, at https://documents.geotracker.waterboards.ca.gov/esi/uploads/geo_report/5010230779/SL0607111288.PDF.
3. ARCADIS, 2017, Transmittal of the annual cleanup status and effectiveness report (January to December 2016), Hinkley compressor station, Hinkley California: San Francisco, Calif., Pacific Gas and Electric Company, [variously paged], accessed June 25, 2020, at https://documents.geotracker.waterboards.ca.gov/esi/uploads/geo_report/9395357131/SL0607111288.PDF.
4. ARCADIS and CH2M Hill, 2011, Development of a groundwater flow and solute transport model, appendix G of Pacific Gas and Electric Company, Addendum #3 to the Hinkley Compressor Station site feasibility study: San Francisco, Calif., Pacific Gas and Electric Company, [variously paged], accessed September 4, 2019, at https://geotracker.waterboards.ca.gov/esi/uploads/geo_report/2112934887/SL0607111288.pdf.
5. Ball, J.W., and Izbicki, J.A., 2004, Occurrence of hexavalent chromium in ground water in the western Mojave Desert, California: Applied Geochemistry, v. 19, no. 7, p. 1123–1135, accessed February 22, 2019, at https://doi.org/10.1016/j.apgeochem.2004.01.011.