The Los Angeles Times reports that drywall imported from China is at the center of complaints of foul odors seeping from walls, corrosion to air conditioners, mirrors, electrical outlets and jewelry. The problem may be a radioactive phosphorus substance -- phosphogypsum -- that is banned for construction use in the U.S. but is used by Chinese manufacturers.
Yet another reason to pause before using building materials imported from China, where an entire new 13-story building recently collapsed.
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