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美國Airmetrics
美國Airmetrics成立于1992年 便攜式空氣粉塵（TSP，PM10，PM2.5采樣器）
Started in 1992, Airmetrics is located in Eugene, OR, and is an enterprise fund of the Lane Regional Air Pollution Authority (LRAPA). Airmetrics, in conjunction with the US EPA, developed the patented low-flow technology found in the MiniVol Portable Air Sampler to address the need for portable, ambient air sampling.

Proceeds from the enterprise fund are used to supplement LRAPA's budget by covering some fixed costs and providing for numerous capital improvements.

Customer Base
Current users of the MiniVol? include domestic and international air quality authorities, government agencies, consultants, and mining companies. Domestic users include the US EPA, US Army, USDA, South Coast AQMD, Utah DEQ, and the Cheyenne River Sioux Tribe. Consultants and mining companies using the sampler include Desert Research Institute, Secor, CH2M Hill, Bechtel/Parsons Brinckerhoff, TRC Corporation, Newmont Gold Company, Homestake Mining Company.

Airmetrics' product line can be found world-wide, with customers ranging from the Cairo Air Improvement Study in Egypt to universities in Norway, Japan, and Mexico. Both rugged and reliable, the MiniVol? has proven its effectiveness in ambient air sampling at remediation sites, prescribed burns, fugitive dust studies, manufacturing locations, mining operations, and power plants.
Additionally, the US EPA Saturation Monitor Repository is composed largely of MiniVol? samplers. The patented low-flow technology used in the MiniVol? was jointly developed by Airmetrics and the US Environmental Protection Agency.