BACKGROUND The objective of this study was to assess the correlation between childhood asthma and potential risk factors, especially exposure to indoor allergens, in a Native American population. METHODS A case-control study of St. Regis Mohawk tribe children ages 2-14 years, 25 diagnosed with asthma and 25 controls was conducted. Exposure was assessed based on a personal interview and measur...

HINTIKKA, E.L. and NIKULIN, M. 1998. Airborne mycotoxins in agricultural and indoor environments. Indoor Air – International Journal of Indoor Air Quality and Climate Supp. 4: 66–70. This overview with 33 references discusses the increasing reports of inhalation exposure to mycotoxins in agricultural environments and in water damaged buildings with mould problems. There is evidence that inhalat...

Escherichia coli, an important indicator of the presence of fecal material, was isolated from indoor and outdoor environments in Mexico City. The heterogeneity of E. coli was represented by 89 serotypes, most of them coming from settled-dust indoor samples; 21% of them presented antibiotic multiresistance. The numbers of plasmids were higher among the antibiotic-resistant strains. The results o...

Indoor air quality (IAQ) was investigated in 19 open-plan offices and 30 office rooms in order to compare the differences in these two different types of office environments. No moisture or mold problems had been reported from the present buildings, but the employees had complained about the IAQ. The results revealed only slight differences in the IAQ of the two different types of office enviro...

Values for total dust concentration in indoor air in day-care centres, offices and schools with no reported problems are measured. These are day-care centres 41 ± 14 μg/m

This paper uses a model, and data on particle size distributions, filter efficiencies, and particle deposition rates to estimate the reductions in the indoor mass concentrations of particles attainable from use of filters in HVAC supply airstreams. Additionally, the energy and total costs of the filtration options are estimated. Predicted reductions in cat and dust-mite allergen concentrations ...

Exposure to contaminants, generally called pollution, relates back to olden age when the environment was clean and free from chemicals. Knowledge of human exposure to environmental contaminants is an important component of environmental epidemiology, risk assessment, risk management, status and trends analysis. Exposure information provides a critical link between sources of contaminants, their...

BACKGROUND Quantitative measurements of mould enrichment of indoor air or house dust might be suitable surrogates to evaluate present but hidden moisture damage. Our intent was to develop a house-dust monitoring method to detect hidden moisture damage excluding the influence of outdoor air, accumulated old dust, and dust swirled up from room surfaces. METHODS Based on standardized measurement...

BACKGROUND Children with asthma have a high prevalence of environmental allergies, especially to indoor allergens. The relationships of exposure to indoor allergens (dust mites, cat, dog, cockroach, and molds) and other host factors to allergy sensitization have not been evaluated simultaneously in a large cohort. OBJECTIVES We studied 1041 children aged 5 to 12 years with mild-to-moderate as...

However, data are lacking on the amount of pesticides consumed in the diet by age group as well as the contribution of pesticide exposures from the dietary pathway relative to other sources. 4 For example, pesticide exposures can occur from the inhalation of indoor and outdoor air, ingestion of dust from hand-to-mouth or object-to-mouth activities, ingestion of contaminated soil or water, and d...