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View Diary: Tar sands oil spill? Or just 'heavy' oil spill? Exxon loves having it both ways (80 comments)

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  •  That's a great chart! (3+ / 0-)
    Recommended by:
    Zwoof, lotlizard, radical simplicity

    Because of the relatively high content of "Vanadium," I looked it up on wikipedia. A snip:

    All vanadium compounds should be considered toxic. Tetravalent VOSO4 has been reported to be over 5 times more toxic than trivalent V2O3.[65] The Occupational Safety and Health Administration (OSHA) has set an exposure limit of 0.05 mg/m3 for vanadium pentoxide dust and 0.1 mg/m3 for vanadium pentoxide fumes in workplace air for an 8-hour workday, 40-hour work week.[66] The National Institute for Occupational Safety and Health (NIOSH) has recommended that 35 mg/m3 of vanadium be considered immediately dangerous to life and health. This is the exposure level of a chemical that is likely to cause permanent health problems or death.

    https://en.wikipedia.org/...

    "Let each unique song be sung and the spell of differentiation be broken" - Winter Rabbit

    by cotterperson on Wed Apr 03, 2013 at 11:36:53 AM PDT

    [ Parent ]

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