Analysis of floating organic samples from waste Tanks 26F and 33F - Fall 1999

TL;DRAbstract

Organics analyses of floating material taken from Tanks 26F and 33F indicate that the concentration of organic materials is extremely low. With the exception of small amounts of some organosilicon compounds, no quantifiable organics were found in the either the Tank 26F or Tank 33F floating organic samples. These organosilicon compounds may actually be present in the tanks (e.g., from organosilicon-based lubricants or antifoaming agents) or may be artifacts of the solid phase extraction (SPE) disks used in sampling. The SPE disks are comprised in large part of organosilicon compounds. Though quantification of the concentrations of the compounds in the tanks is not possible because of the sampling method, the results indicate that the concentrations are low. These results are consistent with other tank organic analyses and continue to confirm very low organic content of High Level Waste supernate.

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