| TABLE 2 |
| Summary of
Lead Concentrations in Rico |
| |
|
|
| RICO
SOILS |
Number of
Samples |
Lead
(mg/kg) |
| RICO
BACKGROUND SOILS |
|
|
| North
Rico Background |
|
|
| Mean (Range) |
43(1) |
1540
(13.0-9,300) |
| 95% UCLM |
|
2,490 |
| South
Rico Background |
|
|
| Mean (Range) |
3 |
744 (544-1,080) |
| 95% UCLM |
|
1,240 |
| RICO
RESIDENTIAL/RECREATIONAL SOILS |
|
|
| North
Rico Residential |
|
|
| Mean (Range) |
9 |
1790 (851-3,920) |
| 95% UCLM |
|
2,370 |
| South
Rico Residential |
|
|
| Mean (Range) |
17 |
783 (160 - 1500) |
| 95%UCLM |
|
940 |
| Future
Residential-Slope Wash East |
|
|
| Mean (Range) |
18 |
157 (620-412) |
| 95%UCLM |
|
196 |
| Future
Residential-Slope Wash West |
|
|
| Mean (Range) |
12 |
158 (57.0-441) |
| 95%UCLM |
|
223 |
| Future
Residential -Silver Creek Alluvium |
|
| Mean (Range) |
3 |
2070 (800-3400) |
| 95%UCLM |
|
4,260 |
| Recreational -
Dolores River Corridor |
|
| Mean (Range) |
13 |
2590
(124-12,000) |
| 95%UCLM |
|
4,300 |
|
|
|
| (1) Sample 943 (49,500 mg/kg)
was excluded from this dataset as an outlier concentration. |
|
|
|