The power failed early last night and the GC crashed before finishing the standards, let alone the samples. We will get the GC up and load the generator with fuel to run the GC overnight.
In an effort to provide the staff with a cursory exposure to PSD data analysis, I presented the spreadsheets used for calculating water concentration. The basic spreadsheet is derived from reference material given to CERES during their 2006 training. We discussed the how previous research by others had established the equations, how the variables affected the results and how the GC data is incorporated into a much larger spreadsheet to calculate for multiple analytes at multiple sites and exposures durations.
Additionally, I demonstrated the proper technique for preparing raw LFT for PSD construction. This small detail is critical to proper PSD development and can significantly affect the GC results.
Cheikh, Makhfousse, and I met with Baba and discussed point by point the Issues and Recommendations section of this report.
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