Sample Name: C-22-1

Sample date: December 1, 2002
Operable Unit: 2
Sample Type: soil
Sample Depth: 9 - 9.5 ft
Location Description: Soil sample interval removed during CWP closure and reconstruction

Contaminants above Illinois EPA soil background level  :

• Aluminum
• Chromium
• Copper
• Iron
• Vanadium
• Zinc
• Sulfate

Latitude: +41.334159      Longitude: -89.299315

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	12400 mg/kg
Antimony	3.3 mg/kg	NT mg/kg
Arsenic	11.3 mg/kg	10.9 mg/kg
Barium	122 mg/kg	111 mg/kg
Beryllium	0.56 mg/kg	0.55 mg/kg
Cadmium	0.5 mg/kg	0.26 mg/kg
Calcium	5525 mg/kg	32900 mg/kg
Chromium	13 mg/kg	19.8 mg/kg
Cobalt	8.9 mg/kg	10.2 mg/kg
Copper	12 mg/kg	20.4 mg/kg
Iron	15000 mg/kg	21800 mg/kg
Lead	20.9 mg/kg	12.1 mg/kg
Magnesium	2700 mg/kg	18200 mg/kg
Manganese	630 mg/kg	531 mg/kg
Mercury	0.5 mg/kg	0.022 mg/kg
Nickel	13 mg/kg	25.2 mg/kg
Potassium	1100 mg/kg	NT mg/kg
Phosphorus	(No background)	1200 mg/kg
Selenium	0.37 mg/kg	<0.54 mg/kg
Silver	0.5 mg/kg	<0.12 mg/kg
Sodium	130 mg/kg	NT mg/kg
Thallium	0.42 mg/kg	NT mg/kg
Vanadium	25 mg/kg	36.9 mg/kg
Zinc	60.2 mg/kg	733 mg/kg

Notes: A value of NT indicates that this sample was not tested for a particular contaminant. A value of ND indicates that the contaminant was not detected in the test that was done for it.