THE STUDY OF DUST PARTICLES SMALLER THAN 10 MICONS IN A FUEL SERVICE STATION, MUEANG DISTRICT, BURI RAM PROVINCE

Abstract

The study of dust particles smaller than 10 micons in a fuel service station, Mueang District, Buri Ram Province The objective of this study was to find the concentration and classifying dust sizes smaller than 10 microns, including assessing the risk of exposure to particles smaller than 10 microns of employees, collecting personal air samples from all 7 collection points in gas stations  fuel  with the fuel nozzles from 18 or more and have a convenience store, coffee shop. The results showed that the dust particles smaller than 10 microns with the highest concentration equal to 0.00125 mg / m³ and the smallest was 0.00025 mg / m³ when analyzed for size distribution by using a microscopic found that 2-3.5 micron of dust contains the highest amount.  The largest dust size is 10 microns and the smallest size is 1.53 microns. Then, to assess the exposure risk of the employees, it is found that the risk assessment results from the relationship between the concentration of dust smaller than 10 microns with the total exposure frequency of 7 points with a score of 5 points, which is considered an acceptable risk level is a level that does not cause damage to health status, do not increase morbidity or mortality, do not affect production. However, although the value does not exceed the standard  but there may be a rising trend due to the increase in car traffic, so air quality should be continuously monitored.  Allocate an environment that is conducive to good health. There is a management to develop personal skills of employees to educate about dust that affects health, including prevention of dust hazards, provide more quality protection equipment and sufficient for the use of staff.