{"id":19,"date":"2013-04-24T20:34:26","date_gmt":"2013-04-24T20:34:26","guid":{"rendered":"https:\/\/emtekair.com\/blog\/?p=19"},"modified":"2025-04-22T19:36:39","modified_gmt":"2025-04-22T19:36:39","slug":"air-sampling-how-to-do-it-the-right-way","status":"publish","type":"post","link":"https:\/\/emtekair.com\/blog\/air-sampling-how-to-do-it-the-right-way\/","title":{"rendered":"Air Sampling – How to do it the Right Way"},"content":{"rendered":"

Air sampling<\/strong><\/a>\u00a0is a critical function of any Quality Control (QC) laboratory associated with a Pharmaceutical, Biotech, or healthcare facility, yet many QC personnel are unaware of the best methods of microbial air sampling for their particular needs. There are several mechanisms for sampling viable particulates out of the air, and different mechanisms benefit different testing requirements. Understanding the various air sampling methods in microbiology enables facilities to select the most effective approach for their specific needs. One must first determine the type of sampling device and scheme, which fits their specific needs, then work with the available technologies that best suit them to meet their testing requirements.<\/p>\n

If one is unclear on how to most effectively use a microbial air sampler or\u00a0compressed gas monitoring system<\/strong><\/a>\u00a0to ensure the safety and health of your employees and customers, it\u2019s important to understand the types of\u00a0microbial air sampling devices<\/strong><\/a>\u00a0and their individual benefits.<\/p>\n

Passive vs. Active Monitoring<\/strong><\/h2>\n

There are two primary air sampling techniques in microbiology: Active and Passive monitoring. In active monitoring, a microbial air sampler<\/strong><\/a>\u00a0is used to force air into, or onto its collection medium (e.g., Petri Dish with nutrient agar-based test media) over a specified period. The collected culture can then be incubated and analyzed (ie., count bacterial and\/or fungal, colony forming units (CFU), and identify if required). In passive monitoring, settle plates (Petri dishes) are opened and exposed to the air for specified periods of time to determine what microbiological particles may be present in the environment, as they may settle out of the ambient air, and onto the media surface of the Petri Dish. These plates are then incubated and analyzed.<\/p>\n

Both passive and active monitoring have their own strengths and weaknesses. Passive monitoring is not aggressive and may miss critical microbes but offers a lengthy (4-hour) sampling period, and a very low cost associated with it. Active monitoring requires equipment purchases, additional training, device qualification, and most devices offer a shorter sampling period (e.g., 10 minutes), which can be both a benefit and a burden. But active monitoring devices are more ideal for situations with low microbial concentration, which includes most clean rooms, since microbial contaminants will be less likely detected by passive monitoring.<\/p>\n

With both Passive and Active monitoring, personnel are required to physically start the process, set up the settling plate, or device, and remember to check samples in process, label, and submit the test plates for incubation and analysis. With the analysis, active monitoring will allow for both quantitative and qualitative analyses of the sample, by allowing the determination of contamination levels per volume of air sample, while with passive monitoring one can only obtain a qualitative analysis.<\/p>\n

Passive vs. Active Air Sampling: Choosing the Right Method for Your Environment <\/strong><\/h2>\n

Because there is no standardized protocol for collecting air samples, it is difficult to determine whether one method is \u201cbetter\u201d than the other. However, knowing the difference can help you determine which solution will work best in your work environment. It is also important to note that microbial air samplers will turn up different results within the same area, or room based on the time and activity of the room. As such, both \u201cDynamic\u201d and \u201cStatic\u201d condition monitoring data should be collected in an area, or room. If a sample is taken during surgery, for example, it will likely show more microbial elements than air sampling done in the same room with fewer factors, such as personnel and equipment, contributing to the microbial population.<\/p>\n

When it comes to air sampling, the best method is one that works best for you and suits your specific needs while keeping your employees and clients safe.<\/p>\n

At Emtek, we manufacture microbial air sampling products<\/a> to help detect bacteria and mold in clean room environments. Get in touch<\/a> with us today, call 877.850.4244 <\/strong><\/a>or visit www.EmtekAir.com<\/a> to learn more.<\/p>\n","protected":false},"excerpt":{"rendered":"

Air sampling\u00a0is a critical function of any Quality Control (QC) laboratory associated with a Pharmaceutical, Biotech, or healthcare facility, yet many QC personnel are unaware of the best methods of microbial air sampling for their particular needs. There are several mechanisms for sampling viable particulates out of the air, and different mechanisms benefit different testing […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[9],"tags":[14,10],"class_list":{"0":"post-19","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-blog","7":"tag-air-sampling-devices","8":"tag-microbial-air-samplers","9":"entry"},"yoast_head":"\nAir Sampling - How to do it the Right Way<\/title>\n<meta name=\"description\" content=\"Air sampling is a critical function of quality control, here are the methods for microbial air sampling to ensure the safety & health of employees & customers\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/emtekair.com\/blog\/air-sampling-how-to-do-it-the-right-way\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Air Sampling - 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