Table B.4
The mass balance for pendimethalin (high concentration) sorption to pond sediment
Time
Water
Sediment
Test
glass
Centrifuge
tubes
Total
Theoretical
total
Control
hours
dpm
dpm
dpm
dpm
dpm
dpm
dpm
Balance
theoretical
Balance
control
3
4056
147122
41
18
151237
194279
158467
80%
95%
3
3769
109759
24
11
113563
194279
158467
60%
72%
24
3393
140830
23
10
144255
194279
153598
76%
94%
24
3405
132904
8
3
136320
194279
153598
72%
89%
168
3099
119298
22
10
122430
194279
155309
65%
79%
168
3138
124296
16
7
127456
194279
155309
68%
82%
480
3155
138413
20
9
141597
194279
145631
75%
97%
480
3098
150081
8
3
153190
194279
145631
81%
105%
Average
72%
89%
|