If you use or own indoor air quality equipment we recommend that you read EMLab P&K Products Division Blog.  Click on the title of this blog post to read EMLAB P&K’s blog post on the proper maintenance of air sampling equipment, such as the Anderson or A6 impact bioaerosol samplers, rotary vane high volume pumps, and Wallchek adapters.  In addition, it discusses the importance of proper maintenance to sustain consistent sample collection. The blog reminds us that the American Conference of Governmental Industrial Hygienists (ACGIH) recommends calibrating pumps before and after sample collection with variances not to exceed 5 to 10%.  This calibration should be performed using a primary standard such as a bubble meter (1000 cubic centimeter bubble buret) or an electronic device such as the Dry Cal® DC-Lite Calibrator, Gilian^® Gilibrator-2, and Bios Defender™.  These primary standard must be traced to a National Institute of Standards and Technology (NIST) standard.  It will keep your equipment running at peak condition.

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