月份 | 方法 | 频次 | X | RE (%) | RA (%) | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||||
1 | EPA 30B | 8.24 | 7.90 | / | / | 12.6 | 8.26 | 6.56 | 6.46 | 6.97 | 8.14 | −15.2 | 37.4 |
Hg-CEMS | 7.46 | 7.23 | / | / | 7.05 | 7.07 | 6.15 | 6.71 | 6.61 | 6.90 | |||
2 | EPA 30B | 8.22 | 8.84 | 8.76 | 8.42 | 8.09 | / | 7.10 | / | / | 8.24 | −14.0 | 17.3 |
Hg-CEMS | 6.90 | 7.64 | 8.05 | 6.93 | 7.07 | / | 5.96 | / | / | 7.09 | |||
3 | EPA 30B | 8.60 | 8.05 | 8.00 | 6.77 | 6.11 | 6.28 | 6.53 | 7.84 | 7.24 | 7.27 | −24.8 | 31.2 |
Hg-CEMS | 5.95 | 5.80 | 5.64 | 5.79 | 5.10 | 4.79 | 4.85 | 5.54 | 5.75 | 5.47 | |||
4 | EPA 30B | 6.84 | 7.52 | 7.22 | 8.48 | 7.56 | 6.90 | 6.99 | 6.22 | 6.40 | 7.13 | −19.5 | 19.5 |
Hg-CEMS | 6.09 | 5.94 | 6.44 | 6.45 | 6.36 | 6.01 | 6.45 | 5.81 | 5.67 | 6.14 | |||
5 | EPA 30B | 6.96 | 7.23 | 7.50 | 6.33 | 7.10 | 8.63 | 7.46 | 7.10 | 6.96 | 7.29 | −16.3 | 19.0 |
Hg-CEMS | 6.06 | 6.11 | 6.46 | 4.83 | 5.84 | 7.07 | 6.62 | 5.85 | 6.06 | 6.10 |