The National Environmental Laboratory Accreditation Program certified Xenco Laboratories for dioxin and furan analyses by both low-resolution mass spectrometry and high-resolution mass spectrometry for the state of Florida. Xenco Laboratories has experience in most phases of environmental testing, such as remedial investigations, salt water, wastewater and drinking water analysis, hazardous waste classification, risk reduction programs, underground storage tank and dry cleaner investigations, mold and indoor air quality, low- and high- resolution dioxins and mobile laboratory services. The company has locations throughout Texas and Florida, as well as a mobile laboratory that covers the Southeastern United States. Xenco Laboratories is able to provide expert testimony and software development. Founded in 1990, Xenco is headquartered in Houston.