Over the weekend, I prepared a listing of purification products that would serve CERES' needs. I also drew out diagrams demonstrating the proper plumbing sequence for the purification filters. These materials were given to Anna, explained, and discussed. All data files generated during my training session were copied to an external hard drive for transport back to OSU. Anna and I went over again the steps that remain for sample analysis and what CERES needs to do to complete each task (see Day 19 posting). I collected and prepared all OSU materials for transport back to the US except chemical solutions, the two analytical columns, 6 injection port liners, glass wool, one of the ammo boxes, and one of the wool tools. Furthermore, I worked with Kevin Hobbie (OSU) to determine GPS coordinates for sampling sites in Niger, however, CERES informed me that this laboratory did not collect coordinates because the lab did not own a GPS. Additionally, I met with Dogo to discuss what had been completed during my time at CERES and what remained to be completed. I gave my opinion about the importance of instrument maintenance for achieving an efficient high quality laboratory. Anna and Dogo agreed that this was something that needed to be improved upon and that a strategy needed to be developed and implemented to ensure analytical quality.
I depart from Dakar, Senegal back to Corvallis, Oregon on Wednesday the 12th.
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