1.Street washing 212,302.14km of street washing by machine were performed during the project with 104% achievement. 236,906.33tons of water was used for street washing with an average of 1.12 tons/km. 2.Performance evaluation for street washing As an effort to evaluate the performance of reduction of street washing and to establish the road emission coefficients of the City, street dust load tests were performed at 360 locations before and after the sweeping and washing. 60 roads and streets were selected for the quarterly tests. The silt load was 0.35g/ m2 and street dust load 1.97g/ m2 in average before implementation. This qualified class B for the roads and streets selected as per the street dust load control target values established by EPA. However, the roads and streets were qualified for class A after implementation as the silt load was 0.14g/ m2 and street dust load 0.82g/ m2 in average. The calculation showed that reduction was 61% for silt and 58% for dust in average, indicating significant performance of the street washing and sweeping in terms of the reduction of street dusts. 3.Estimated pollution reduction According to the project results, 212,302.14.1km of roads and streets were swept and washed during the project. With the reduction equation of EPA(reduction ＝ length of streets washed × reduction coefficient), the reduction was estimated to be 2,921.5 tons for TSP, 552.0 tons for PM10 and 128.99 tons for PM2.5. 4.Survey of road pollution A total of 1,929 roads were 8,970.59 kilometers, of which 1,332 were Class A roads with a total capacity of 58,800.02 kilometers, accounting for 66.1%; Class B roads were 597 with 3,017.06 kilometers or 33.9% 0% of Grade C roads show that the roads of this Municipality are more clean. The census results show that the proportion of urban areas of the road B-level higher, mainly due to traffic flow caused by the impact. If we look at the seasonal distribution, we will see that the proportion of grade B roads in spring and autumn is relatively high, so the season is the dirty season for farming. 5.Integration of the City’s street sweeping and washing resources Year-by-year road management authority units invited to convene a street washing operation division of labor consultation and establish a mechanism for the investigation and reporting of road dirt, for a total of 3 games; at the same time the city public cleaning units sweeping the length of operation, the total washing program during the sweep 1,003,178.3 kilometers, estimated TSP reduction of about 13,843.9 tons. 6.Road adoption by businesses for maintenance Promote road construction in nine industrial zones and 78 non-governmental enterprises and complete production support for online adoption of adoption data. Statistics show that by the end of December, 106, the total adoption of enterprises has reached129,949.4 kilometers. The total number of successful families in this year has reached Up to 100%. 7.Response to air quality deterioration In the administrative area with a high harvest area of rice cultivation in this Municipality, 6 person-times of agricultural pollution improvement and declaration briefing sessions were completed. In the meantime, 147 polluting roads were surveyed for high-pollution risk road sections and censuses were completed 12 persuasion orders and notification of 114 related cases. 8.Improvement of road pollution caused by farming machines and equipment In the administrative area with a high harvest area of rice cultivation in this Municipality, 6 person-times of agricultural pollution improvement and declaration briefing sessions were completed. In the meantime, 147 polluting roads were surveyed for high-pollution risk road sections and censuses were completed 12 persuasion orders and notification of 114 related cases. 9. Active control of work 1. Empty goods worsen emergency response measures 2. Establish a joint inspection of dirty roads investigation mechanism 3. Assist the bureau in advocacy work

dust、street washing