AGE DISTRIBUTION OF HUM SUFFERERS
The chart left shows the age distribution of HUM sufferers complied by the Building Research Establishment
The work was carried out on the instructions of the Department of the Environment who paid the Building Research Establishment £50,000 to look into the problem.
BRE subcontracted the work to Sound Research Laboratories of Suffolk.
The work was completed and a report published by Mr J W Sargent in October 1994.
No cause of the Hum was established
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