Recent years because of government’s traffic buildings, business development and the living level increase in Tainan country, plus the Tainan science place, the second highway system in south section and fast road establish, trucks and busy building engineer make a lot of float dust on the road. The float dusty is the main pollution source of the air, it’s from the building engineer and cars cross, not only make bad visibility but also dangerous on our breath and the fall dusty influence our living environment. Tainan Environment Protection Bureau tries to reduce the float dusty pollution quickly to promote the air quality. In order to do the inspection control on building place and moving cars inspection and entrust the company to do the street float dusty sweeping project and use the full power and sweeping machines to reduce the float dusty and promote the living quality of country. The achievement: 一、This project is from 2001 April 16 to 2002 March 26, do the sweeping job for 27922.3 km and cleaning for 21558.9 km. 二、This project is from 2001 April 16 to 2002 March 26, the TSP reduces for 386.22 ton, and cleans for 743.8 ton, and the total reduce amount to 1130.02 ton in whole year. 三、The TSP inspection for 80 points, before sweeping the average concentration is 331.3 μg/m3 , after is 272.9μg/m3 , and the reduce 58.4μg/m3 , the rate is to 17.63﹪. 四、The sample conference is held on February8.

Tainan country,sweep float dust