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Recent studies conducted on vacuum cleaner emissions, have vacuum cleaners as a potential source of indoor exposure to airborne allergens, bacteria and other pathogens. In this blog post we review the issues around this occurrence and the steps manufacturers of vacuum cleaners can take to ensure their products meet certification standards, in particular the asthma & allergy friendly certification standard.  As an accredited immunoassay testing facility airmid healthgroup is a designated laboratory for the program.

The testing of vacuum cleaners and similar domestic electrical appliances such as air cleaners involves the use of "test-dust"; Dr Angela Southeyinert particles consisting of silicon dioxide, aluminium, iron and sodium oxides. It is used to mimic typical household dust, which is composed of a mixture of fibres and particles of varying sizes and compositions. Sources of which include skin, mites, soil, heating emissions and pollen grains. In this blog post, we talk to Dr. Angela Southey, a lead researcher at airmid healthgroup, about a recent study she conducted and presented at the prestigious 13th International Conference on Indoor Air Quality and Climate in Austin, Texas comparing the characteristics of ISO fine test dust to real house dust.

This blog post follows an interview format with Angela Southey PhD at the test facility at airmid healthgroup and offers a very valuable insight on the subject.

Tagged in: fine test dust

ASHRAE 52.2 is a method of testing general ventilation air cleaning devices to determine their removal efficiency as a function of particle size. It iDr Angela Southeys a method that determines the ability of an air filter to remove particles on the basis of specific particle sizes ranging between 0.3 to 10 microns. A central feature of ASHRAE 52.2 is the incorporation of the Minimum Efficient Reporting Value (MERV) for each filter tested. Angela Southey is the head of the environmental test chamber at airmid healthgroup. In this interview, we ask Angela about Airmid’s new ASHRAE 52.2 test duct, its functional association with the Environmental Test Chamber and the importance this facility has for HVAC testing, MERV testing and its potential for contract research.

This article has been written in Q and A format following an interview with Angela Southey PhD

Tagged in: ASHRAE 52.2 MERV

For this blog entry we are covering the topic of Legionnaires' disease following the outbreak in Edinburgh last month and more recently the outbreak in Stoke-on-Trent in England. Scotland's Health Secretary Nicola Sturgeon reported that the number of confirmed and suspected cases of Legionnaires' disease in Edinburgh had risen to 40. Air Quality professionals suspected the source of the Edinburgh outbreak was environmental contamination and early indications suggest it was the result of a contaminated cloud emitted from a cooling tower in the south west of the city. The source of the outbreak in Stoke-on-Trent has not yet been identifed.

Dr Bruce Mitchell

Over recent years, airmid healthgroup has become a market leader in the assessment of airborne bio-particulate load in indoor spaces. Unique services are provided to clients in both state-of-the-art large scale chambers or in “field” situations, i.e. environmental studies in homes, offices, and other places where people congregate.

john_f_2_smallThere is a bewildering array of ISO and ASTM antimicrobial surface validation studies and a whole host of biocidal activity testing available. It can be very complex for companies to navigate their way through this and the results they get may not always translate into market valuable data. Control of indoor pathogens on surfaces and in the air is a highly topical issue, so we asked John Fallon PhD, Head of Microbiology at airmid healthgroup, to talk us through some of the testing we do at the laboratory and the relevance of this testing.

The 11th World Filtration Congress starts today and will embrace the whole spectrum of filtration and separation technologies from around the world for five days from 16th- 20th April 2012. It will be held in Graz, a Unesco World Heritage Site. It is the largest and most important Filtration Event in 2012 world-wide. Exhibitors from the world-wide filtration and separation industry, manufacturers of particle measurement instruments as well as related industries will feature the latest innovations and technology. airmid healthgroup will be there joining the debate on Airborne Infectious Agents, Aerobiology Research and Ultrafine particles. 

It’s that time of year again and Orlando Florida hosts the American Academy of Asthma Allergy and Immunology (AAAAI) Annual Meeting this year from March 2-6. The AAAAI Annual Meeting draws the allergy and immunology specialty's academic and clinical leaders to showcase new research and discuss other developments in allergy, asthma and immunologic diseases. The meeting is attended by more than 7,700 allergist/immunologists, related physicians, allied health professionals and industry representatives.

AAAAI

amy donoghue

airmid healthgroup are pleased to welcome Amy Donoghue to the science team on a DCU INTRA Work Placement Scheme.

Tagged in: DCU internship

The message from the asthma & allergy friendlyTM Program is their certified products are more suitable for those suffering from asthma and allergies. These products are recommended to be used in a ‘home allergen reduction plan'. But just what is a ‘home allergen reduction plan' and is it really effective?