Profile: Teledyne Tekmar designs and manufactures analytical instruments for chemical laboratories. Our volatile organic compound product line includes systems for gas chromatography sample introduction, high-throughput purge & trap sample concentration, static & dynamic headspace analysis, whole volume air sampling and sample automation. We are an ISO 9001:200 certified company. Our dohrmann series line of total organic carbon & total nitrogen analyzers provides unparalleled accuracy, precision, throughput and robustness for water samples varying in quality from semiconductor-grade to municipal wastewater.