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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Moulds in wind turbines and risk to employees

Wind turbines are one of those odd and unusual places where you would not anticipate a mould problem. Their  construction is of almost pure metal with synthetic coating and minimum of absorptive surfaces. In recent years  employees working on wind turbines farms have started to encounter quite significant mould contamination problems. Typically internal surfaces of the [...]

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Exposure to coppper sulphate at art exhibition

Chemicals substances are rarely used in pure form for creation of art. However when the artist finds the courage to experiment some spectacular results can be achieved. I have recently had the opportunity to visit a piece of stunning art where the artist has decided to transform a small flat with copper sulphate crystals. The [...]

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Mould remediation guidelines – Part 1- New York City Guidelines

Guidelines on Assessment and Remediation  of  Fungi in Indoor Environments New York City Department of  Health and Mental Hygiene (November 2008) Open original document .... NEW YORK city has developed formal mould remediation guidelines in 1993 and since then these guidelines have been subjected to several revisions namely in 2000 and in 2008. The principal [...]

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World Health Organisation -Dampness and Mould Guidlines

World Health Organisation (WHO) has long recognised indoor air quality as an important health determinant. Most of us spend majority of time indoors whether it is in the workplace or at home and therefore the quality of the indoor air plays in important role in our health. It is estimated that we spend up to [...]

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Failed mould removal project

I have been appointed to carry out post project verification after a mould removal in a large property. A contractor has been appointed to thoroughly clean and decontaminate all internal areas of this property. The overall objectives were to reduce fungal spore level in the internal areas to normal conditions and remove any dust debris [...]

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Mould removal principles

Mould remediation (removal) can be a complex task involving cooperation of refurbishment contractors, decontamination contractors, client, loss adjusters and indoor air quality consultants. Because each remediation project is different variety of remediation methods may be used during one project. No one method is suitable for all situations which is particularly true for large and complex [...]

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