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1000 m

750 m

500 m

250 m

X
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Surface Soil Lead (Pb)
Concentration (ppm)

EPA
1985

ENTACT
1999

EPA / IDEM
2002

0 - 399 ppm

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XX
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D:\GIS\Projects\USS_LEAD\MAPS\Total_Samples.pdf

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F
0

1,000

#
0
2,000

310

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0
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Feet
0

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620

Meters

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400 - 799 ppm

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800 - 1199 ppm

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0

>= 1200 ppm

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0

USS Lead Soil Contamination Site
East Chicago, IN

Surface Soil Samples Analyzed For Lead (Pb) Concentrations

USS Lead Site Boundary

RCRA
2003

EPA
2006

Results are presented from different sources using varying methodology & analytical procedures.

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