A postdoctoral fellow is sought to work in the area of Environmental Chemistry in the project “Identification and characterization of calcium arsenate precipitates leading to and attenuating gross arsenic pollution in a calcareous shallow aquifer”. For related work read Environmental Pollution 176(2013)114-122. The candidate must be skilled in wet chemistry and spectroscopic techniques. The appointment will be funded by a one year postdoctoral scholarship granted by CONACyT. The start date for this position is August 4th. It is preferable to initiate interactions via e-mail to expedite the application. Please send your CV and the names and e-mail addresses of three references to Dr. Nadia Martínez-Villegas or call 444-8342000 x-7272.