Plant | Operations | During phase 2, with traditional filter system (end of 1997) | During phase 3, with new filters (first observations in 1998) | Phase 4, with new filters (average of various observations, summer 1998) | % Change (summer 1998/1997) |
---|---|---|---|---|---|
*The actual value was lower, as it was below the threshold of detection established previously in trials (this threshold is the value shown in the table). NA: not applicable. | |||||
A | Total for plant A | 18987 | 87* | 18 | −99.9 |
B | Soybean unloading | 1663 | 25 | 41 | −97.5 |
Silos | 26 | 13 | 27 | 3.8 | |
Total for plant B | 1689 | 38 | 68 | −96.0 | |
C | Transport and manufacture | 53807 | 50 | 61 | −99.9 |
Flour drying | NA | NA | 29 | NA | |
Total for plant C | NA | NA | 90 | NA | |
Total | Total emission measured | 76172 | 175 * | 176 | −99.8 |