Table 2.
Land area fixation and/or decontamination efficiencies.*
Method
Mean initial
(dpm/m*)
Mean final
(dpm/m?)
Efficiency
(percent)
Plowing
2630
55
97.9
Oiling and scraping
1240
55
95.6
205
15
92.7
1405
118
91.6
Disking
500
54
89.2
1.0-inch water leaching
515
65
87.4
79
il
86.0
121
37
69.4
8133
3660
55.0
380
309
18.7
0.3-inch water leaching and scraping
0.3-inch water FeCl>
Scraping
Oiling (RC-0O road oil)
0.3-inch water leaching
0.3-inch water-Alconox leaching
*From Dick and Baker (1967)
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