[ADEQ Media] ADEQ to Host Open House on Cleanup of Former Sonoita Service Station Site in Santa Cruz County

[media@lists.azdeq.gov]

ADEQ to Host Open House on Cleanup of Former Sonoita Service Station
Site in Santa Cruz County

PHOENIX (July 12, 2007) - Arizona Department of Environmental Quality
(ADEQ) Director Steve Owens announced today that ADEQ will host an open
house for community members interested in the status of the soil and
groundwater cleanup at the former underground storage tank facility at
the former Sonoita Service property on Highway 83, south of Route 82. 

"We are hosting this open house to discuss our plan for cleaning up this
site and to answer any questions the public might have," Director Owens
said. "We want to make sure that the community is informed of our
cleanup efforts." 

The meeting is scheduled for Tuesday, July 31, 6 p.m.-8 p.m. in the
Santa Cruz County Building Community Room, Highway 83 South in Sonoita. 

The property is now owned by Santa Cruz County.  In 2005 ADEQ determined
that the contaminated groundwater at the site was caused by hydrocarbons
from gasoline that had leaked from two underground storage tanks that
were removed from the site in 1990. The groundwater contaminant plume is
contained on the property and extends fewer than 300 feet from the
release point. The localized plume has not affected the regional
drinking water supply. Offsite groundwater meets the Aquifer Water
Quality Standards for all petroleum compounds. 

ADEQ has now completed a comprehensive study of the property and has
selected a method and a contractor to clean up the contaminated soil and
groundwater.  The cleanup will involve the injection of a combination of
air and ozone into the groundwater as well as the removal of contaminant
vapors from the surrounding soil.

More information is available from ADEQ at (602) 771-4321 or (800)
234-5677, and on the Web at
http://www.azdeq.gov/download/sonoitaagenda.pdf.

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News media interested in additional information on this or any other
topic concerning the Arizona Department of Environmental Quality should
contact the Office of Communications at (602) 771-2215 or via email at
communications@azdeq.gov.

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