1. Aragon, A.V., 2009. Using chromium isotopes to monitor chromium reactive transport: oxidation experiments and field studies. Ph.D. Dissertation, Department of Geological Sciences, The University of Texas at El Paso.
2. Arar, E.J., Long, S.E., Pfaff, J., 1991. Determination of dissolved hexavalent chromium in drinking water, groundwater and industrial wastewater effluents by ion chromatography. US Environmental Protection Agency Method 218.6, rev. 3.0.
3. ATSDR, 2000. Toxicological profile for chromium. Agency for Toxic Substances and Disease Registry, Public Health Service, US Department of Health and Human Services, September 2000. (accessed September 11, 2009).
4. Balderman Consulting, Inc., 2004. Demonstration report TCE, PCE, and chromium from sources other than regulated unit Ducommun Aerostructures El Mirage Facility El Mirage, California. Balderman Consulting, Inc., Dana Point, CA, Variously Paged.
5. Occurrence of hexavalent chromium in ground water in the western Mojave Desert, California;Ball;Appl. Geochem.,2004