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Regional FLA contamination rate
| Region | No. of samples | FLA detected samples (%) |
|---|---|---|
| Incheon, Seoul, Gyeonggi | 42 | 2 (4.8) |
| Daejun, Chungchung | 15 | 1 (6.7) |
| Jeonnam, Jeonbuk | 10 | 0 (0.0) |
| Daegu, Gyeongbuk | 31 | 8 (25.8) |
| Busan, Ulsan, Gyeongnam | 62 | 10 (16.1) |
| Gangwon | 1 | 0 (0.0) |
| Jeju | 2 | 0 (0.0) |
| Total | 163 | 21 (12.9) |
