Air Quality Services was founded in 1998 to exclusively provide air-related environmental services including: stack monitoring (CEMS), consulting/permitting, stack testing, ambient air monitoring and air pollution dispersion modeling.
Our objective is to offer services that are not only regulatory compliant, but also appropriate and cost-effective. With a substantial electric utility and industrial background, we fully recognize the importance of your air emissions compliance program, and of our role in providing professional services that merit your trust.
Northern Industrial Hygiene, Inc. (NIH) provides the highest quality asbestos, lead-based paint, indoor air quality, industrial hygiene, environmental, and laboratory services available in the states of Montana, Washington, Wyoming and Idaho.
NIH staff includes Professional Engineers, Environmental Scientist, Industrial Hygienists, trained and accredited technicians, CADD Drafters, Laboratory analyst, and support staff.
Our offices are located in Billings, and Helena, Montana and Burien, Washington, a suburb of Seattle.
CK Environmental is an Air Quality Testing, Consulting, & Monitoring Systems firm headquartered in Canton, MA, founded in 1994. CK offers CEM preventative maintenance and a full suite of source emissions testing services, including all EPA testing methods. (CEMS, CGA, EDR, RATA, ect.)