CHESTER LabNet (CLN) is a small, woman-owned business specializing in inorganic air analyses. We are a NELAP accredited laboratory, first founded in 1977, and still going strong. Most key personnel have been with CLN for over 20 years each, providing a level of experience and knowledge that our clients rely on. Our staff is dedicated to the satisfaction of our clients, and well-versed in the unique needs of the air-quality industry.