Test sites to be chosen as following:
1、Close to big cities, industries and mines to have sufficient solid waste source;
2、Close to the national power grid and the traffic trunk lines to help reducing the cost and the test progressing smoothly;
3、Suitable climate with high temperature and precipitation more than 1000mm/year and sufficient sunlight;
4、The test town should have a population of about 20000 with 20000 mu land（Suppose the test town is called Taoyuan Town）;
5、The altitude of the test site should be higher than 70 m.
6、The place must not have had industrial pollution, water pollution or air pollution.