Table 8.
Reference dose (RFD) values for the multiple exposure pathways: ingestion (RFDing), inhalation (RFDinh) and dermal contact (RFDderm)
| Areas | Sampling sites | Distance from main industrial sources | Directions and Exposure frequencies to main industrial sources plumes (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| SIAPE | Lead foundry FP Sfax sud | SIAPE | Lead foundry FP Sfax sud | ||||||
| C1 | C2 | C1 | C2 | ||||||
| A1 | R2, TS35, TS38, S6, PM2, R3 | ≤ 2000 m | WSW, SW | 44% | 11% | W, WNW, WSW | 27% | 18% | |
| A2 | TS36, TS32, TS20, TS25, TS16, TS3, TS7 | ]2000;3000[ | WSW, SW | 44% | 11% | W, WSW | 24% | 13% | |
| A3 | TS42, TS13, TS12, TS2, TS10 | ≥ 3000 m | WSW, SW, SSW | 48% | 14% | WSW | 20% | 9% | |
| A4 | PI1, PI2 | ≤ 2000 m | NW, WNW | 10% | 12% | NW, WNW | 10% | 12% | |