ASSOCIATIONS BETWEEN TYPE OF VENTILATION AND AIR-FLOW RATES IN OFFICE BUILDINGS AND THE RISK OF SBS-SYMPTOMS AMONG OCCUPANTS

被引：56

作者：

SUNDELL, J ^{[1
]}

LINDVALL, T ^{[1
]}

STENBERG, B ^{[1
]}

机构：

[1] KAROLINSKA INST,INST ENVIRONM MED,S-10401 STOCKHOLM 60,SWEDEN

来源：

ENVIRONMENT INTERNATIONAL | 1994年 / 20卷 / 02期

关键词：

D O I：

10.1016/0160-4120(94)90141-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The association between type of ventilation and outdoor-air flow rates and Sick Building Syndrome (SBS) and SBS symptoms was studied in a cross-sectional questionnaire and field study comprising 160 office buildings, and 260-2649 respondents with case-controls as well as prevalence comparisons. Measured ventilation rates were higher than required by most building codes and consisted of fresh-air (outdoor-air) inflow of 17 +/- 14 L/p and 2.0 +/- 1.3 air changes/h. Increased risk of SBS and elevated prevalence of general SBS symptoms were associated with low outdoor-air flow rates, presence of copying machines in office rooms, and ventilation operating hours was less than 10 h/d. There was a suspected association between SBS and air humidification, recirculation of exhaust air at high outdoor-air flow rates but not at low outdoor-air flow rates, and with natural or mechanical exhaust ventilation systems. SBS was not associated with the presence of a rotary heat exchanger or with the supply air temperature higher than the room air temperature.

引用

页码：239 / 251

页数：13

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