Appendix A
Pollutant contents as percentage of total solids in dredged materials
Parameters
Ashtabula samples
Fairport samples
1A
2A
3A
4A
1F
2F
3F
4F
Chemical
oxygen
demand
4.334
2.483
1.987
4.037
0.237
16.567
4.567
4.010
Oil and
grease
0.210
0.094
0.065
0.265
TRACE
0.275
0.468
0.520
Kjeldahl
nitrogen
0.138
0.043
0.048
0.152
0.016
0.065
0.167
0.020
Total
phosphorus
0.004
0.001
0.008
0.030
0.007
0.009
0.006
0.003
Mercury
0.00004 0.00001
0.00002 0.00007 0.00001
0.00003 0.00004 0.00006
Iron
2.104
1.750
1.299
2.100
1.105
1.000
1.599
1.790
Chromium 0.008
0.010
0.007
0.014
0.002
0.002
<0.018
0.020
Cadmium
<0.0001 <0.0001
0.0001
<0.0001 0.001
0.0001
<0.0001 <0.0008
Arsenic
<0.0001 <0.00008 <0.0002 <0.0005 <0.00009 <0.0003 <0.0002 <0.0001
Zinc
0.018
0.015
0.013
0.017
0.006
0.006
<0.005
0.008
Lead
0.010
0.010
0.010
0.002
0.002
0.035
0.005
0.009
Copper
0.003
0.001
0.002
0.031
0.0009
<0.0009 0.002
0.003
Nickel
0.001
0.001
0.001
0.001
0.0009
0.009
0.001
0.001
Manganese 0.055
0.045
0.040
0.060
0.035
0.030
0.040
0.040
Volatile
solids
4.905
4.150
18.100
—
2.400
—
—
8.499
Dissolved
solids
0.093
0.082
0.116
0.693
0.053
0.139
0.188
0.589
Appendix B
Settling-test data, Sample 2A from Ashtabula Harbor, Ohio
Before
settling
Remaining
after 1 h of
settling
Remaining
after 4 h of
settling
Remaining
after 18 h of
settling
Remaining
after 40 h of
settling
Chemical oxygen demand,
mg/L
14,900
110
108.8
81.5
77.6
Total solids,
mg/L
600,000 800
—
780
872
Dissolved
solids, mg/L
490
490
490
490
490
(continued)
308
L. K. Wang et al.