| 英文摘要 |
(一) Environmental load and Changing trends：
The total population of the city from 1999 to 2012 years has grown at the rate of 2.3%. The population has increased by 6,174 people, compared with the population in 1999. The population increased slowly. Since 1999, the population had showed negative growth for nearly three years. Since 2012, the number of population was 271,283. The population density is 4,519 people per square kilometer, ranked second in Taiwan, next to Taipei (9,827 people / sq km). There is a total of 291,189 vehicles registered. In the past 11 years, the number of all types of vehicles has increased by 51,998 vehicles, at a growth rate of 22%. Compared with that in 2011, the result was a decrease of 91 vehicles at a growth rate of -0.03%, which shows the growth has slowed down in this case. As for the Load of various types of vehicle density, scooters are the highest (3,402 per square kilometer), which is eight times more than that in Taiwan. The overall vehicle density is 4,851 vehicles/sq km, ranked second (6,820 cars per square kilometer), next to Taipei City.
There were 434 city industrial registering by the year 2012. Compared with 2011, it showed slight growth. Over the years (2002 to 2012 years), it showed negative growth, with a variant rate of -11%; the controlled stationary pollution sources factories were 352 factories in 2012. Over the years (2002 to 2012), the changing trend has sped up. However, since 2006, the number of controlled factories has decreased.
The construction engineering has decreased since 2002. In recent years, the number of engineering has shown a tendency of increase in 2008; it showed the highest in 2000 and 2011 respectively. The number has reached 1,150. The number of engineering in this year is 930, which has been decreased by 19.13%, compared with 2011. As for the pollution management controlling measures, the rate of decrease has reached 57.09%, which is better than that(51.7%).
Petitions cases against environmental pollution in this city has steadily increased, which showed an increase of 32% than that in 2006. There is an increase of 173 cases in 2012, compared with the same period last year; there were various cases but they are mainly on non-odor pollutants (such as open burning, fugitive dust (construction engineering), industrial, vehicle idling and exhaust). It is mainly because the public environmental awareness rises and they start to concern for the quality of the home environment.
(二) The current air quality conditions：
Chiayi City belongs to the Yun Chia Nan air quality zone. In the past 11 years (2002 to 2012), as for the proportion of index pollutants of the poor air quality day, the suspended particles accounts for 54% higher than ozone 46%.
In this year , in the Yun Chia Nan air quality zone, the poor air quality day accounts for 27 days, the reject ratio was 0.90%, which meets the prevention target (less than 2.73%); In this city, the poor air quality day accounts for 1 day, which also meets this year's control target (less than 2.74%) (10 stations day). Mainly with the climate change and pollution control measures, the air quality has improved.
(三) Poor air quality reporting response operations：
In this year, the re-examination and modification of 2011 Chiayi City poor air quality reporting standard operation procedure have been completed. The amendments are to re-examine the strain conditions and to update other respose plans and pollution sources. In this year, according to Statistics in this year, the number of implementation of poor air quality report is 55 (including 36 of forecast and 9 of Choshui River fugitive dust report), among which the suspended particles accounted the most for 28 with a proportion of 51%. Generally speaking, there is no poor air quality days. After each time of poor air quality report, the PSI value increases, accounting for 32 times, 4 times with no change, and 15 times with improved effectiveness (PSI value <100).
We try to understand all the stationary pollutant sources plant operators (with the operating license), and whether to set up the air quality deterioration control project for every operating process. In this year, the stationary pollution sources permit control and air pollution control levy fee briefings" was held on April 24th in conjunction with propaganda. After investigation, we found that the proportion of the operators with ready projects was not high (6%). With continuing counseling measures, a total of 28 plant operators completed drafting the control projects and sent them to the EPA for approval. The rate of operating achievement reached 100%; on October 4, 2012, a response drill has been held to examine the feasibility of pollution control project and plant owners’ response ability of the air quality deterioration.
(四) Air purification zones：
Two assessments of management maintenance in the city air quality purification zone has been completed on April 25th and October 25th respectively. The achievement rate reached 100%. After the on-site assessment, the records has been submitted in the mail to the management and maintenance units, with an urge to fortify the relevant units and maintain clean environment facilities and planting at each base.
For promotion of air quality purification zone, a session of propaganda was held at Chungpu Research Center, Forestry Research Institute, Council of Agriculture, Executive Yuan on October 22 with invitation of all the maintenance units and community development association representatives. In the event, the environmental technician Chen Wan Jun from Environmental Protection Department and Professor Cai Zhi Xian from the department of Horticulture discussed and shared the planting management and conservation experiences with attendees.
(五) Indoor air quality self-management：
For promotion of indoor air quality self-management, in this year, there are a total of 25 places responding to this action and the achievement rate reached 100%. Places joined in this action include RT-Mart International LTD, Carrefour-Chiayi and North gate branches and Starbucks Chiayi City all the five outlets, which shows that on November 23, 2011, after the passing of the Indoor Air Quality Management Act, large places in response to this action showed improvement. Over the years, there has been a total of 85 places in response to the self-management policies.
In this year, to promote indoor air quality self-management, there are two advocacy activities held on May 4th and Oct 5th respectively. In total, there are 126 people involved in a total of 120 units. In the activities, Ms. Wu Pei Zhi from the Occupational Security and Health Department and Graduate Institute in Evergreen University and Prof. Lee Chia Wei from Environment and Health Safety Engineering in National Kaohsiung First University of Science and Technology are invited to make clear the course and importance of law implementation.
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