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.