Associates

• Hygrometrix, Inc.
  Manufacturers of Xeritron and XerIC Sensors
  These are used in our humidity-measuring instruments.
  
  
• City Technology Ltd.
  Manufacturers of CiTiceL Electrochemical Sensors.
  These are used in our CO-measuring instruments.
  
  
• Telaire Instruments Inc.
  Manufacturers of the Telaire CO2 Instrument.
  This completely portable carbon dioxide hand-held reader is combined
  with our data acquisition (and CO instrument) for indoor measurements.
  
  
• Thompson Conservation Laboratory
  Specialists in book conservation and facility monitoring.
  We worked closely on the gathering and evaluation of the data gathered on Alcatraz.
  
  

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Last update: 29 August 2001. Page established in December 1996;