Upwind | | | | | | |
500 m SE§ | 8.4×102 | 1.8×103 | 1.9×103 | 3.6×103 | [ND]¶ | [ND] |
Downwind | | | | | | |
200 m NW** | 2.2×104 | 5.1×105 | 7.7×103 | 1.3×105 | 2.3×104 | 5.5×105 |
250 m WNW†† | 3.9×104 | 1.7×105 | 1.3×104 | 4.6×104 | 1.9×104 | 1.1×105 |
300 m N‡‡ | 4.4×103 | 8.3×104 | 4.3×103 | 1.7×104 | 2.8×103 | 6.0×104 |
320 m NW | 6.8×103 | 5.9×104 | 3.9×103 | 1.9×104 | 1.3×103 | 5.0×104 |
550 m N | 8.3×102 | 4.3×103 | 2.3×103 | 4.1×103 | <5 | 9.9×102 |
Sampling conditions | | | | | | |
Samplers | Filter based MD 8 Sartorius, (Goettingen, Germany), flow rate 8 m−3h−1 |
Collection time | 10 min at 1.5 m above ground level with subsequent indirect plating method after filtration and precipitation on gelatine filters |
Detection limit | 40 CFU |
Date and time | 07.08.1997; 00:00–02:15§§ |