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Can't find the LEL and UEL for Hexamethyldisiloxane

What we do: We characterize headspace gas sample as part of the CCP/WIPP Program. We have a threashold of 500ppm Flammable VOC's, if any of the drums we sample exceed this threshold, filter change on this particular drum cannot occur. Question: I found Hexamethyldisiloxane concentration to be greater than 500ppm in one particular drum. I have been unsuccessful finding information for this particular compound. What I need are the Lower explosion Limits and Upper Explosion Limits.............Where can I find this information? Thanks.............

Harvey Padilla
Washington Group Inc. - Argonne, Illinois, USA
2003

The LEL is 0.6% and the UEL is 32% for Hexamethyldisiloxane This can be found on an MSDS.

David Martinez
- Los Alamos, New Mexico, USA
2003

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