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. 2017 Mar 24;9(4):117. doi: 10.3390/toxins9040117

Table 1.

Concentration values in airborne dust (μg/kg) and in air particulates (ng/m3) from pumps (static and high flow rate).

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)