From the conservation of the most delicate fragments of our cultural history in prominent museums, to the critical preservation of life in leading hospitals, Criterion is there.

With over 20 years of experience and a reputation second to none, Criterion has likely addressed whatever issues your facility may present, including: Indoor Air Quality (VOCs, Organic Acids, Nitrogen Oxides, Peroxide, Formaldehyde, Sulfur Oxides, Ozone and more), Particulate Pollutants, Lead Testing and Assessments, Asbestos detection and evaluation, Mold and contaminant surveys, Waste Anesthetic Gas, PCB testing, Legionella, and many other situations relating to safety and industry compliance.

Founded in 1986 By James Weltz, Criterion has become a leading resource with a fully trained staff and cutting edge technology for both field services and in its expansive laboratory. Call us with your concerns.