NELAP Accredited LaboratoryCHESTER LabNet (CLN) is a small, woman-owned business specializing in inorganic air quality analyses. We are an ORELAP 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.