Aspergillus fungal infection due to past time activities

People can sometimes experience deterioration of their health in their homes for no apparent reason. I have recently visited a property where an elderly gentleman started to suffer from shortness of breath, tiredness, lethargy and general exhaustion. It is only natural to us that we immediately try to identify the cause of such problems and [...]

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Product contamination by unknown dust

Industrial manufacturing of delicate components is often done under controlled conditions to minimise the impact of the outside environment or to prevent intrusion of foreign contaminants. The control measures can range for simple air filtration to fully enclosed environmental chambers with controlled humidity, temperature and atmosphere composition. How much the production environment needs to be [...]

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Unusual source of odours in victorian building apartment

This investigation in middle of October took me to central London area. This area is well known for its beautiful architecture and magnificent buildings. The apartment I was investigating was situated in a larger building complex in a residential area but close to some major traffic routes in the city. The house was approximately 200 [...]

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Stachybotrys contamination of an inner city townhouse

I have  recently been appointed to carry out an investigation of a possible mould contamination in a stylish inner city townhouse. The property occupants have been suffering from bad musty odours for several months and have started to experience some odverse health symptoms. The facility management company in charge of the property has failed to [...]

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Mould contamination due to building structural failure

Old period buildings often suffer from small structural failures due to ground subsidence, timber sagging or material deterioration. These common failures are usually quickly recognised and repaired by the property owners. The situation get sometimes a bit more complicated if properties are tied in long term maintenance contracts. Even though the maintenance companies are trying [...]

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Poor air qaulity in the office environment

Office environments are places which often suffer from indoor air quality problems. The reasons for poor  air quality can range from insufficient fresh air supply, poor air filtration, off gassing from furniture and fittings, contaminants introduced by maintenance or cleaning personnel,  building services failures, contaminants introduced by occupants them self, computers, photocopiers and  many others. [...]

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One problem masking another causing IAQ problems

Water leak in any property can have a have a long lasting effect and some unforeseen consequences. In this particulate case a substantial mould contamination to the part of the property was triggered by relatively small water leak to a modern boiler situated in the loft of a small bungalow. The leak has caused saturation [...]

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Basement (crawlspace ) air causing indoor air quality problems

Air quality investigation is a complex task an only rarely the investigator come across immediately obvious answer to a problem. Typical investigation will usually involve sampling for most likely contaminants in the hope that some will be present at the concentration likely to cause the experienced adverse health symptoms. Preparation and consultation with the client [...]

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Crawlspace a hidden source of indoor air contaminants

Crawlspace in a typical residential building is a relatively low or narrow space below the lower story of a building. It differs from a basement by its shallow depth which does not allow for a person to stand up. Crawl space is usually not accessible (not regularly) and is not meant for storage of materials. [...]

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Pest and Mould contamination after boiler leak

Water damage to the property is not usually limited to the immediately obvious water staining and possible material deterioration but sometimes escalates into a more complex issue affecting the indoor air quality in the whole property and having negative effect on the health of the  occupants. Water damage to a building is usually not a [...]

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