Table 1.
Pump Placement | Measurement Unit/Value | Plant A | Plant A | Plant A | Plant A | Plant A | Plant A | Plant A | Plant B | Plant B | Plant B | Plant B | Plant B |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Production area | Unloading area 1 | Unloading area 2 | Unloading area 3 | Unloading area 4 | Unloading Area 5 | Integration and medication area | Storage | Sorting area 1 | Sorting area 2 | Sorting area 3 | Sorting area 4 | ||
Pump type | Static (Zambelli) | Static (Zambelli) | High flow rate | High flow rate | High flow rate | High flow rate | High flow rate | Static (Zambelli) | Static (Zambelli) | High flow rate | High flow rate | High flow rate | |
Assembled Filters | N (Number of) | 14 | 6 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 |
Total airborne dust | (mg) | 287 | 158 | 991 | 12916 | 904 | 524 | 306 | 247 | 157 | 1386 | 1568 | 1204 |
Total air | m3 | 113 | 42 | 703 | 579 | 557 | 466 | 348 | 21 | 22 | 470 | 462 | 491 |
Dust conc mg/m3 | Mean | 2.5 | 3.7 | 1.4 | 22.3 | 1.6 | 1.1 | 0.9 | 12.0 | 7.2 | 2.9 | 3.4 | 2.5 |
(range) | (0.5; 5.2) | (1.7; 6.8) | - | - | - | - | - | (9.4; 14.5) | (5.2; 8.8) | - | - | - | |
AFs conc | |||||||||||||
AFB1 | µg/kg powder | 1.9 | 7.2 | - | 1.2 | 1.7 | - | - | 125.4 | 41.3 | 72 | 55.1 | 49.1 |
(ng/m3 air) | (0.005) | (0.027) | (0.027) | (0.003) | (1.505) | (0.298) | (0.212) | (0.187) | (0.120) | ||||
AFB2 | µg/kg powder | 0.5 | 1.9 | - | - | - | - | - | 6.90 | 3.3 | 4 | 3.2 | 2.8 |
(ng/m3 air) | (0.001) | (0.007) | (0.083) | (0.024) | (0.012) | (0.009) | (0.008) | ||||||
AFG1 | µg/kg powder | - | 1.1 | - | - | 0.7 | - | - | 7.60 | 1.4 | 5.1 | 4 | 3.3 |
(ng/m3 air) | (0.004) | (0.001) | (0.091) | (0.010) | (0.015) | (0.012) | (0.010) | ||||||
AFG2 | µg/kg powder (ng/m3 air) | - | - | - | - | - | - | - | - | - | - | - | - |
Sum AFs | µg/kg powder | 2.4 | 10.2 | - | 1.2 | 2.4 | - | - | 139.9 | 46.0 | 81.1 | 62.3 | 55.2 |
(ng/m3 air) | (0.006) | (0.038) | (0.027) | (0.004) | (1.679) | (0.332) | (0.239) | (0.208) | (0.138) |