[CPEO-BIF] Vinyl chloride source at Norco High School (CA)

[Lenny Siegel <lsiegel@cpeo.org>]

Source of gas still unknown
Officials: Vinyl chloride levels at Norco High not harmful

By Andrea Bennett
Inland Valley Daily Bulletin (CA)
February 6, 2007

NORCO - The latest tests of Norco High School's science building 
indicate the vinyl chloride in the indoor air is not a breakdown product 
of the trichloroethylene, or TCE, in the groundwater below, as state 
scientists first speculated.

Data was gathered from soil gas samples taken just below the foundation 
of the building, where vinyl chloride would have accumulated if rising 
from the groundwater and seeping into the building above.

But those levels were extremely low, which means the vinyl chloride 
found inside the building has an altogether different source, state 
officials said.

...

For the entire article, see
http://www.dailybulletin.com/news/ci_5165938

--


Lenny Siegel
Director, Center for Public Environmental Oversight
c/o PSC, 278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918
<lsiegel@cpeo.org>
http://www.cpeo.org


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