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Presumptive Identification of Microbes in Food Grade Air

Mar 24 2019 11:40 AM | Simon in Articles



Food is an essential requirement for the body, but it can also be a means of disease transmission if contaminated with microorganisms. In the United States, 48 million foodborne gastrointestinal illnesses occur annually, resulting in 128,000 hospitalizations and 3,000 deaths (2). These statistics, while alarming, are only of incidences reported. Most foodborne illnesses are not severe enough to warrant a doctor’s visit. Food manufacturing facilities can do their part by monitoring microbial bioburden, not only of food products, but also of the high-risk equipment used in the manufacturing and packaging processes, such as compressed air systems. In food and beverage manufacturing, not only should the ambient air be tested, but also the final processed compressed air for particles (viable and non-viable), water, and oil contaminants. This article will focus on the sources and identification of microorganisms from sampled compressed air using microbial sampling and presumptive techniques. Employing these techniques can aid in manufacturing compliance, product integrity, and cost savings.

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The Impact of Oil Contamination in Food Grade Compressed Air

Nov 30 2018 07:29 PM | Simon in Articles

Compressed air contaminated with oil in the food manufacturing process can be costly and dangerous. Recognizing the common sources of contamination, reducing the risks associated, and working with an accredited testing laboratory can help to ensure safety of the end-product as well as continued system health.


This article will describe the sources of oil contamination, associated risks, the regulation specifications regarding oil, and the optimal ways to test for oil contamination in compressed air systems.

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ISO Align and Enhance ISO 22000

Jul 19 2018 11:20 AM | Tony-C in Articles

The long awaited second edition of International ISO Standard 22000 Food safety management systems — Requirements for any organization in the food chain has just been published (June 2018). Not surprisingly, there are a number of changes, there is much closer alignment with other ISO management standards, additional strategic requirements to address organizational risks and opportunities and more detailed food safety requirements.

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New System Redefines Performance for GC-MS Applications

Jun 01 2015 06:08 PM | Simon in News

Laboratories performing food safety and authenticity, pharmaceutical, metabolomic, anti-doping and other analyses using gas chromatography-mass spectrometry (GC-MS) can now achieve new levels of performance using high-resolution accurate-mass (HRAM) Orbitrap mass spectrometry, bringing the highest level of detection and identification capabilities to GC-MS studies.

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The International Food Safety & Quality Network Annual Conference

Jun 21 2015 06:47 PM | Simon in News

Food Safety Live is the world’s first online food safety learning and networking conference. Join us from the comfort of your own office and watch four unmissable live debates with our team of expert panelists.

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ACET Global Consulting to Provide IFS Academy Training

Jun 27 2015 06:08 PM | Simon in News

ACET Global Consulting LLC, a US-based global food safety organization is now an IFS Academy training provider. ACET Global has personnel and alliances worldwide having food safety and GFSI expertise including production, storage and distribution, and packaging materials.

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Product Withdrawal & Recall Survey

Jul 08 2015 10:21 AM | Simon in News

We asked the IFSQN members to share their experience with product recalls and withdrawals within their businesses. Below are the main findings along with some commentary and links to helpful information resources.

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Compressed Air: Choosing the Correct Microbial Sampling Method

Jul 11 2018 06:11 AM | Simon in Articles

International standards and internal facility health and safety regulations exist to improve and protect the health and welfare of consumers and facility employees respectively. Some regulations directly impact the product being manufactured, while others have roles in the daily function of the overall facility. In either case, when compressed or environmental air meets food, regulations must be in place to deem that food or beverage safe for consumption.


In 2014, Parker Hannifin Corporation released a case study about a bakery in Illinois that recognized its need to test the compressed air in direct and indirect contact with their food products. During testing, the bakery mixed ambient air with their compressed air resulting in false positive microbial contamination. After several months of retesting, they evaluated their sampling procedure and discovered it to be the issue.1 In this instance, understanding the standard for testing compressed air for microbial contamination (ISO 8573-7) would have aided in the resolution of the issue in a more timely manner.


This article will focus on testing within ISO 8573-7 guidelines for quantitative methods regardless of air type and how qualitative methods, while useful for some reports, may not be applicable to others.

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Monitoring Plans - What is the goal of your compressed air testing?

Aug 30 2018 07:43 PM | Simon in Articles

To follow the necessary regulations and ensure the safety of an end product, companies should always employ a compressed air monitoring plan. Though the goal of any monitoring plan is ultimately safety, there are varying ways to ensure product safety and each manufacturer must set their goals according to their specific circumstances and needs. To determine the appropriate goal of an individual’s monitoring plan, companies should assess their risks and understand the regulations in place.


Manufacturers may have varying compressed air testing goals that are quite unique to their industry, end product, or even, location. This article will help to determine those goals by outlining the risks that compressed air systems face, the options that users have when it comes to monitoring, and the best ways to ensure the quality of the compressed air system.

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