Value Chain Activity | No. of samples analyzed | No. of samples positive | % of samples beyond acceptable levels (20 ppb) | Range (ppb) | ||
Farmers | 20 | 20 | 13 (65%) | Low | High | Mean ± SE |
4.80 | 45.90 | 24.63 ± 2.67 | ||||
Processor | 10 | 10 | 3 (30%) | 5.90 | 37.50 | 17.68 ± 3.07 |
Trader | 10 | 10 | 6 (60%) | 10.60 | 34.10 | 23.10 ± 2.47 |
Factory | 3 | 3 | - | 6.30 | 11.90 | 8.76 ± 1.65 |
Landing site | 2 | 2 | 1 (50%) | 31.0 | 29.30 | 21.15 ± 8.15 |