Nitrogen dioxide exposure studies. Volume 3. Personal exposure to nitrogen dioxide in Boston: A microenvironmental approach. Topical report, 1985-1992

Technical Report · Sun Nov 01 04:00:00 EST 1992

OSTI ID:6530138

Ryan, P B; Schwab, M; Spengler, J D

An NO2 personal exposures study was conducted in the Boston metropolitan area during the winter and summer of 1986. The Harvard/GRI Boston Personal Monitoring Study was designed to address: (1) the relationships between activity patterns and exposures; (2) the prediction of personal exposures; and (3) simple categorical variables (questionnaires). A representative sample of 300 individuals from the Boston area were monitored during two seasons (Winter and Summer). During each season cycle, participants collected personal exposure and bedroom concentration data for two days using passive NO2 filter-badge monitors. Activity diaries were also maintained during each sampling day. Data on NO2 concentrations outdoors at each individual's residence as well as on their housing unit and appliance use characteristics were obtained. There is a difference in personal NO2 exposures based on the characteristics of the appliances in each house. Season is a salient categorical variable in explaining personal NO2 exposures in Boston. Regression analysis indicated that bedroom NO2 concentrations were significantly related to personal NO2 exposures. The strength of the relationship was similar to that found in other studies. On the other hand, the relationship between outdoor NO2 concentrations and personal NO2 exposures was much weaker.

• Research Organization: Harvard Univ., Boston, MA (United States). School of Public Health
• OSTI ID: 6530138
• Report Number(s): PB-93-170843/XAB; CNN: GRI-5082-251-0739
• Country of Publication: United States
• Language: English

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