TABLE 3.
Expt (no. of independent expts) | Location | Avg wind speed (m/s) | Avg PM10 (μg/m3) | % Moisture
|
Texture of soil or soil-biosolid mixture | |
---|---|---|---|---|---|---|
Biosolidsa | Soil or soil-biosolid mixtureb | |||||
No disking | ||||||
High wind (4) | Upwind | 5.04 | 13 | 47 | 2.5-4 | Sandy loam |
Downwind | 10 | |||||
Low wind (3) | Upwind | 1.84 | 28 | 58 | 2.5-4 | Sandy loam |
Downwind | ||||||
Disking | ||||||
High wind (3) | Upwind | 6.04 | 33 | 61 | 8-12 | Loam and sandy loam |
Downwind | 110 |
Moisture content was 70% to 80% during application but decreased due to drying in the time after land application and before aerosol measurement.
Moistures reported for no disking are for soil only; moistures reported for disking are for the soil-biosolid mixture.