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Updated: May 22, 2026

A Sensitive Visual Method for the Detection of Hydrogen Sulfide Producing Bacteria
Published on: June 27, 2022
Elevated corrosion rates and hydrogen sulfide in homes with 'Chinese Drywall'
Joseph G Allen1, David L MacIntosh, Lori E Saltzman
1Environmental Health & Engineering, Inc., 117 Fourth Avenue, Needham, MA 02494, USA.
Abstract:
In December 2008, the U.S. Consumer Product Safety Commission (CPSC) began receiving reports about odors, corrosion, and health concerns related to drywall originating from China. In response, a detailed environmental health and engineering evaluation was conducted of 41 complaint and 10 non-complaint homes in the Southeast U.S. Each home investigation included characterization of: 1) drywall composition; 2) indoor and outdoor air quality; 3) temperature, moisture, and building ventilation; and 4) copper and silver corrosion rates. Complaint homes had significantly higher hydrogen sulfide concentrations (mean 0.82 vs.
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