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J Occup Environ Med. 2007 Aug;49(8):829-33.

Development of an Environmental Relative Moldiness index for US homes.

Author information

1
United States Environmental Protection Agency, National Exposure Research Laboratory, Cincinnati, Ohio 45268, USA. vesper.stephen@epa.gov

Abstract

OBJECTIVE:

The objective of this study was to establish a national relative moldiness index for homes in the United States.

METHODS:

As part of the Housing and Urban Development's American Healthy Homes Survey, dust samples were collected by vacuuming 2 m in the bedrooms plus 2 m in the living rooms from a nationally representative 1096 homes in the United States using the Mitest sampler. Five milligrams of sieved (300 mum pore, nylon mesh) dust was analyzed by mold-specific quantitative polymerase chain reaction for the 36 indicator species in 1096 samples.

RESULTS:

On the basis of this standardized national sampling and analysis, an "Environmental Relative Moldiness Index" was created with values ranging from about -10 to 20 or above (lowest to highest).

CONCLUSIONS:

The Environmental Relative Moldiness Index scale may be useful for home mold-burden estimates in epidemiological studies.

PMID:
17693779
DOI:
10.1097/JOM.0b013e3181255e98
[Indexed for MEDLINE]

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