Lear Siegler Australasia Pty. Ltd. (LSA) is an Australian owned company with over 42 years of experience in environmental technology and process control. The company was established in 1975 as a division of Lear Siegler Inc. (LSI) in Santa Monica, California USA to introduce to Australia a range of equipment manufactured by LSI for analysis of stack gas and ambient air. The equipment was intended to be used for control of combustion efficiency, for measurement and control of emission of pollutants and also for measurement of pollution in ambient air. In February 1982 LSA became a privately owned Australian company and in the years since has remained an industry leader and is continuing to introduce leading edge technology to the local market by sourcing specialist equipment from the world’s leading manufacturers. We are an engineering based company that has worked closely over the years with both channel supplier partners and industry leaders to develop fully integrated turnkey solutions in the Air Quality, Stack emissions, Mercury monitoring and Oil in Water monitoring to name just a few.