Environmental Engineering Reference
In-Depth Information
Table 6
The no-effects and effects data sets for total DDT in marine and fresh
water sediments
Total DDT in marine sediments
a
Total DDT in fresh water sediments
a
No-effects data set
Effects data set
No-effects data set
Effects data set
0.8
0.4
0.384
1.5
1.04
0.7
0.384
1.9
1.08
1.5
0.384
5
1.27
1.58
0.384
7
1.39
1.6
0.384
9
1.5
2.92
0.384
10
3.42
2.92
5
10
4.6
2.93
5
50
4.94
3.27
5
120
5
15.4
5
222
5
18.8
5.42
4,200 ± 125
5
22.3
6
4,800
5
24
19.6 ± 18.4
11,000 ± 650
5
24.2
50.7 ± 119
11,100 ± 190
5
27
200
16,100
5
27
1,300
16,100
5
27
1,800
19,600 ± 2,180
5
29.7
5,300
21,100
5.18
33.2
5,800
30,600
5.23
46.1
22,100
46,300
5.38
54.5
49,600
6.9
55.2
49,700 ± 3,030
8.38
69
71,300
11
125
88,400
11.6
210
198,000
14.1 350
22.5 432
50 505
100 596
1,018 665
2,170 3,000
35,300 13,420
14,190
16,500
18,260
a
All values are in ppb dry weight in ascending order
Shaded values represent the 50th percentile of the no-effects data sets and the
15th percentile of the effects data sets
Data from DD MacDonald (personal communication)
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