Table 1.
Hg content in rice of different sources (NEC: northeastern China; NJS: northern Jiangsu) from different districts of Suzhou city.
| District | Sampling Site Number | NEC (ng/g) | NJS (ng/g) | Sampling Site Number | NEC (ng/g) | NJS (ng/g) | Sampling Site Number | NEC (ng/g) | NJS (ng/g) |
|---|---|---|---|---|---|---|---|---|---|
| D1 (Canglang District) | S16 | 3.03 | 1.67 | S19 | 1.94 | 2.81 | S22 | 3.3 | N.A. |
| S23 | 4.08 | 5.26 | S24 | 4.7 | N.A. | S30 | 3.28 | 3.41 | |
| S31 | 2.71 | N.A. | S38 | 4.03 | N.A. | S41 | 2.51 | 4.81 | |
| S51 | 2.54 | 1.86 | |||||||
| D2 (Jinchang District) | S10 | 3.34 | 3.22 | S11 | 8.31 | 3.65 | S17 | N.A. | 3.41 |
| S18 | 3.95 | 8.48 | S21 | 2.02 | 1.64 | S25 | N.A. | 2.44 | |
| D3 (Pingjiang District) | S26 | 1.98 | 2.05 | S28 | 2.7 | 3.79 | S32 | 2.89 | 5.63 |
| S34 | 4.7 | 4.81 | S35 | 2.98 | 3.78 | S36 | 4.62 | 3.56 | |
| S44 | 3.47 | 2.65 | S45 | 4.3 | N.A. | S48 | 3.31 | 2.98 | |
| D4 (Wuzhong District) | S1 | 2.82 | 3.91 | S33 | 3.36 | 3.75 | S39 | 3.44 | 3.93 |
| S42 | 3.77 | 4.69 | S43 | 4.72 | 3.27 | S46 | 3.82 | 5.57 | |
| S47 | 3.13 | 3.84 | S53 | 4.87 | 3 | S58 | 2.55 | 2.1 | |
| S63 | 6.84 | 2.58 | S64 | 3 | 4.22 | S67 | 4.18 | 3.2 | |
| S92 | 2.73 | 2.13 | S93 | 4.12 | 5 | S94 | 2.43 | 4.42 | |
| D5 (Xiangcheng District) | S37 | 2.97 | 6.01 | S96 | 5.53 | 2.74 | S97 | 3.03 | 4.06 |
| S98 | 4.66 | 5.23 | S100 | 5.67 | 2.1 | ||||
| D6 (Huqiu District) | S2 | 4 | 4.27 | S3 | 3.07 | 3.83 | S4 | 3.79 | 2.5 |
| S5 | 3.34 | 4.01 | S6 | N.A. | 4.21 | S7 | 5.67 | 3.82 | |
| S8 | 2.49 | 2.13 | S9 | 2.48 | 4.02 | S13 | 4.31 | 8.05 | |
| S15 | 2.67 | 2.31 | S86 | 3.52 | 5.16 | S87 | 3.71 | 6.92 | |
| S89 | 2.75 | 1.46 | S90 | 2.87 | 7.63 | S91 | 5.15 | 3.96 | |
| D7 (Suzhou Industrial Park District) | S49 | 2.49 | 5.75 | S50 | 2.89 | 5.07 | S55 | 4.25 | 2.57 |
| S56 | 3.16 | 6.42 | S59 | 4.85 | 4.78 | S60 | 3.45 | 3.31 | |
| S61 | 4.36 | 5.16 | S62 | N.A. | 2.98 | S65 | 3.02 | 3.13 | |
| S69 | 3.59 | 2.92 | S71 | 3.7 | 4.58 | S73 | 1.85 | 7.66 | |
| S74 | 2.7 | 4.16 | S75 | 3.71 | 6.07 | S76 | 5.32 | 2.21 | |
| S78 | 2.37 | 1.82 | S79 | 3.66 | 2.51 | S80 | N.A. | 1.7 | |
| S82 | N.A. | 5.37 | S83 | 1.67 | 5.19 | S84 | N.A. | 2.84 | |
| S85 | 4.12 | 4.22 | S101 | 2.41 | 6.94 | S102 | 4.97 | 6.25 | |
| S103 | 3.92 | 3.7 | S104 | 3.39 | 4.65 |
N.A. Not available.