Specifications include, but are not limited to: GENERAL SPECIFICATIONS 1. Equipment Description - Each Nitrogen Dioxide (NO2) analyzer shall continuously monitor concentrations of NO2 in ambient air using the Cavity Attenuated Phase Shift (CAPS) spectroscopy analysis technique. 2. EPA Designation - Each analyzer must be designated as an automated reference or equivalent method for the measurement of concentrations of Nitrogen Dioxide (NO2) in ambient air by the United States Environmental Protection Agency (U.S. EPA) as defined in 40 CFR Part 53. Each analyzer shall meet all performance specifications listed herein while operating in the equivalent mode as approved by the US-EPA. 3. Operating and Service Manuals - Two (2) copies of the operating and service manual shall be provided for each analyzer purchased. Each manual shall contain installation, operation and maintenance procedures, detailed flow schematics and complete electrical drawings. Each manual shall also contain a complete list of spare parts and recommended spare parts storage levels. The manuals shall give detailed instructions for the use of the delivered analyzers with all options. The manuals shall be of the same quality as required by the U.S. EPA for reference and equivalent analyzers.