| |
Weight loss (g/m2)a and maximum pit depth (mm) after burial for years stated |
| Soil Type |
Loss after 2.1 years |
Maximum pit depth |
Loss after 4.0 years |
Maximum pit depth |
Loss after 9.0 years |
Maximum pit depth |
Loss after 12.7 years |
Maximum pit depth |
| Inorganic oxidizing acid soils |
| Cecil clay loam |
90 |
0.23 |
430 |
0.15 |
180 |
<0.15 |
180 |
<0.15 |
| Hagerstown loam |
90 |
<0.15 |
300 |
0.2 |
210 |
0.15 |
180 |
<0.15 |
| Susquehanna clay |
300 |
0.23 |
700 |
0.23 |
270 |
<0.15 |
240 |
<0.15 |
| Inorganic oxidizing alkaline soils |
| Chino silt loam |
330 |
<0.15 |
700 |
0.15 |
490 |
<0.15 |
330 |
<0.15 |
| Mojave fine gravelly loam |
480 |
0.15 |
1000 |
0.2 |
330 |
<0.15 |
330 |
<0.15 |
| Inorganic reducing acid soils |
| Sharkey clay |
180 |
0.15 |
460 |
0.3 |
210 |
<0.15 |
330 |
0.15 |
| Acadia clay |
1000 |
0.15 |
|
|
1460 |
0.2 |
|
|
| Inorganic reducing alkaline soils |
| Docas clay |
980 |
0.2 |
490 |
0.23 |
490 |
0.25 |
490 |
<0.15 |
| merced silt loam |
640 |
0.2 |
130 |
0.3 |
30 |
0.15 |
400 |
0.2 |
| Lake Charles clay |
1130 |
0.13 |
1190 |
0.18 |
1680 |
0.33 |
4210 |
1.68 |
| Organic reducing acid soils |
| Carlisle muck |
360 |
0.2 |
1040 |
0.28 |
915 |
0.2 |
1040 |
<0.15 |
| Tidal marsh |
360 |
<0.15 |
640 |
0.25 |
610 |
0.2 |
1460 |
1.32 |
| Muck |
1310 |
0.33 |
1650 |
0.53 |
2750 |
1.63 |
3260 |
1.93 |
| Rifle peat |
1310 |
0.25 |
2200 |
0.3 |
5980 |
2.11 |
5950 |
2.23 |
| Cinders |
| Cinders |
2040 |
1.57 |
1650 |
1.14 |
1710 |
0.53 |
3630 |
1.22 |
| aTo obtain weight loss in micrometers (mm), divide g/m2 by 7.2. |
| Source: Romanoff, M. Undergraound Corrosion. Government Printing Office, for National Bureau of Standards, Washington, DC, Circular 579, 227 pp. (407 refs.). 1957. |
