Extrel's Ambient Air Monitors can sample from up to 80 points within a few minutes with ppb detection levels.   Our Quadrupole Mass Spectrometers and Residual Gas Analyzers are the first choice Atmosphreic and Environmental monitoring for Research and Industry.  Our instruments are used world wide for Atmospheric Chemistry Research,  Pollution Monitoring , Ambient Air Monitoring and Fenceline Monitoring.   They are choosen for their high performance, flexibility and relability.  Request information.

	Atmospheric Chemistry Studies
	Detection for Flow Tubes and Drift Cells Molecular Beam Systems for Atmospheric Studies Mass Spectrometry Components for Sampling from Aircraft

	Ambient Air Monitoring
	APIMS Systems for Low Level Pollutant Detection Residual Gas Analyzers for Ambient Air Sampling Plant Fence Line Monitoring