TheEEStory.com

I don't agree with Rudyard that EEStor only said the lab equipment was certified to detect purity levels in the parts per billion and trillion in their July 29th 2008 press release.

EEStor July 29th, 2008 wrote:

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The purification of the EEStor, Inc. chemicals has been certified by the same chemical analysis company as EEStor's press release dated January 17, 2007 (Southwest Research Institute, Inc.) and now indicates that EEStor has improved its chemical purity to the parts-per-billion range. The aluminum oxide particle coating material purification has been certified to be in the parts-per-trillion level.
...

EEStor July 29th, 2008 wrote:

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These key certified production milestones of particle crystallization, size, purity, and polarization are expected to assist EEStor in providing not only present and future energy storage requirements but also production consistency.
...

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/07-29-2008/0004857762&EDATE=

I read this as the production purity levels have been third party certified and according to Rudyard this would be an unheard of accomplishment.