For the purpose of contributing to the promotion of health of the employees working at the same kind of department store or similar type of business and the people utilizing them and preparing the basic data for the establishment of management measure by assessing the level of air pollution at indoor and outdoor of four department store among the distribution service business in Pusan area, authors measured the concentration of sulfur dioxide, nitrogen dioxide, formaldehyde and total suspended particle according to the measuring height of variable at indoor and outdoor from Aug. 1990. to sep. an. d Jan, 1991 to Feb. : for each two months in summer and winter, and studied by dividing the variable factor into atmospheric factor (temperature, humidity and air velociy) The results are as follows ;
1. The mean concentration of air pollutants at indoor to total subjects was nitrogen dioxide 31.1 ppb, sulfur dioxide 51.7 ppb, formaldehyde 162.1 ppb and total suspended particle 67.7 ㎍/㎥, and it was higher in winter than in summer (P$gt;0.05)
2. The mean concentration of formaldehyde to total subjects was higher indoors than outdoors (P$lt;0.001), in case of nitrogen dioxide there was no significant difference and sulfur dioxide and total suspended particle were higher outdoors than indoors (P$lt;0.05)
3. The concentration of nitrogen dioxide and sulfur dioxide proved to be a adverse correlation, reducing with height.
4. According to the result questioned about the exposure concentration of pollutant and the general symptom caused by the pollutant, nitrogen dioxide and symptom proved to be a positive correlation (P$lt;0.09)
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