Valid Results provides air quality source testing services throughout the Pacific Northwest (Alaska, Washington, Oregon, Idaho, Northern California, Utah and Western Montana) and Hawaii.

Valid Results strives to meet the multi-industry needs of its territories. These include wood products (lumber, pulp and paper, etc.), manufacturing (commercial airplane, agriculture, power generation, etc.), oil production and refining, and waste incineration processes (municipal, hospitals, etc.). 

We will be happy to provide a select listing of references for your review with contact names, e-mail addresses, and telephone numbers, upon request.