"NEW ORLEANS -- The Environmental Protection Agency has found suspect materials in a small sampling of Chinese-made drywall, adding weight to fears that the house-building staple may be causing corrosion in homes and possibly sickening people in several states, a report released Tuesday said.
The EPA tested Chinese-made wallboard in two Florida homes and discovered sulfur and two organic compounds associated with acrylic paint, the report said. Those chemicals were not found in four samples of American-made drywall. Also, the agency said it found strontium at higher levels in the Chinese product than in U.S. wallboard. Strontium compounds are used in making ceramics, pyrotechnics, paint pigments, fluorescent lights and medicine.
Shipping records reviewed by The Associated Press indicated that imports of potentially tainted Chinese building materials exceeded 500 million pounds during a four-year period ... ."