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HEALTH CONSULTATION

IGAYAC ENVIRONMENTAL SAMPLES
TORRANCE, LOS ANGELES COUNTY, CALIFORNIA


BACKGROUND AND STATEMENT OF ISSUES

A private citizen who lives in Torrance, California, requested that the Agency for Toxic Substances and Disease Registry evaluate the results of environmental samples collected from her residence and provide a public health opinion.

The citizen moved into a house in Torrance in the fall of 1995. She stated that during the winter months she experienced weight loss, blurred vision, and a speech impediment, but these problems dissipated during the summer [1].

In March 1997, the Superior Air Cleaning System collected a soil sample from her yard, an unidentified solid substance from the attic, and three indoor air samples from her home. The soil sample was analyzed for pesticides, the attic sample was analyzed for pesticides and arsenic, and the air samples were analyzed for fungi.

Low concentrations of organochlorine pesticides were detected in the soil sample. The highest concentration of a pesticide was 1.1 parts per million (ppm) DDT.

The attic sample reportedly contained arsenic at 20 ppm and the following organochlorine pesticides:
Chemical Concentration (ppm)
4,4-DDD 8.6
4,4-DDE 18
-BHC 12
DDT 15
Endosulfan I 26
Endosulfan sulfate 7.8
Endrin aldehyde 6.0

Various fungi were detected in air samples from the house. See Attachments 1 and 2 for the results of the analysis.

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