Table 3.
No | Sampling point | Q-ty of PM0.3 | Q-ty of PM0.5 | Q-ty of PM1 | Q-ty of PM3 | Q-ty of PM5 | Q-ty of PM10 |
---|---|---|---|---|---|---|---|
0 | Background-office | 4,310,371 | 791,546 | 62,586 | 5,296 | 2,004 | 268 |
1 | Aluminum cleaning | 519,674,500 | 84,421,240 | 7,266,013 | 1,135,918 | 490,619 | 61,614 |
2 | Aluminum etching | 506,923,000 | 77,166,580 | 6,328,771 | 920,321 | 375,156 | 46,185 |
3 | Sulfuric acid anodizing | 506,473,800 | 84,629,070 | 7,742,597 | 1,300,552 | 566,366 | 79,331 |
4 | Aluminum degreasing | 774,991,600 | 162,161,400 | 9,128,154 | 969,094 | 398,746 | 47,678 |
5 | Chemical degreasing | 448,472,500 | 134,870,800 | 30,231,220 | 12,399,540 | 7,378,788 | 1,195,740 |
6 | Cathodic degreasing 3 | 643,172,200 | 130,576,300 | 7,848,006 | 985,816 | 415,468 | 59,026 |
7 | Cathodic degreasing 4 | 708,764,000 | 143,945,600 | 8,276,812 | 992,087 | 410,790 | 54,745 |
8 | Cold rinse | 538,953,100 | 92,534,710 | 6,765,838 | 901,209 | 370,179 | 44,991 |
9 | Desmutting | 554,218,000 | 82,453,290 | 6,413,975 | 836,908 | 335,341 | 43,199 |
10 | Nonferrous metals etching | 295,190,000 | 45,127,460 | 4,913,552 | 662,420 | 268,551 | 31,056 |
11 | Chromium plating | 546,641,900 | 99,608,620 | 9,115,911 | 916,737 | 332,952 | 31,852 |
12 | Nickel plating | 844,536,600a | 277,202,500 | 19,315,880 | 614,841 | 178,968 | 10,949 |
13 | Chemical nickel plating | 170,112,500 | 19,012,500 | 3,270,000 | 673,929 | 309,286 | 41,786 |
14 | Cadmium plating | 328,474,600 | 45,382,330 | 3,261,131 | 365,724 | 157,951 | 25,442 |
15 | Silvering | 536,869,600 | 87,845,940 | 5,920,848 | 298,233 | 117,315 | 17,668 |
aBold shows highest results.