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Air Sampling Not the Best Method for Testing Defective Chinese DrywallThe problem appears to be related to the presence of iron disulfide (FeS2 pyrite). Hydrogen sulfide (H2S), carbonyl sulfide, sulfur dioxide (SO2), ... read more
Testing Laboratory Offers Chinese Drywall Testing Options
The problematic drywall, imported between 2004 and 2006, appears to be related to the presence of iron disulfide (FeS2 pyrite). ... read more