Figures & data
Table 1. Stability data sampling schedule
Table 2. LOD and LOQ values
Table 3. Aliquots and concentrations for instrument operating range concentration calibration
Figure 1. Representative graph of aliquot size vs. peak area for ppb concentration method to determine the upper limit of the method's operating range.
![Figure 1. Representative graph of aliquot size vs. peak area for ppb concentration method to determine the upper limit of the method's operating range.](/cms/asset/fea8c06c-9595-4d20-a233-b1d59139b591/uawm_a_10412147_o_f0001g.gif)
Figure 2. Aliquot volume of 300 mL, equaling a 60-ppb sample of TO-15, shows poor separation of compounds and tailing peaks, indicating the volume amount of sample is too high.
![Figure 2. Aliquot volume of 300 mL, equaling a 60-ppb sample of TO-15, shows poor separation of compounds and tailing peaks, indicating the volume amount of sample is too high.](/cms/asset/4201e5ad-4837-46f7-b2c2-a8c7bfc0fefb/uawm_a_10412147_o_f0002g.gif)
Figure 3. Aliquot volume of 250 mL, equaling a 50-ppb sample of TO-15, showing better separation of compounds.
![Figure 3. Aliquot volume of 250 mL, equaling a 50-ppb sample of TO-15, showing better separation of compounds.](/cms/asset/91c38032-5188-4c03-a2e9-44d721564637/uawm_a_10412147_o_f0003g.gif)