Sample Name: C-51-1

Sample date: December 1, 2002
Operable Unit: 2
Sample Type: soil
Sample Depth: 2 - 3 ft
Location Description: Soil sample interval still in place

Contaminants above Illinois EPA soil background level  :

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

Latitude: +41.3346779      Longitude: -89.2945989

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	14200 mg/kg
Antimony	3.3 mg/kg	NT mg/kg
Arsenic	11.3 mg/kg	<8 mg/kg
Barium	122 mg/kg	66.5 mg/kg
Beryllium	0.56 mg/kg	0.5 mg/kg
Cadmium	0.5 mg/kg	<0.5 mg/kg
Calcium	5525 mg/kg	64600 mg/kg
Chromium	13 mg/kg	21 mg/kg
Cobalt	8.9 mg/kg	11 mg/kg
Copper	12 mg/kg	17 mg/kg
Iron	15000 mg/kg	20700 mg/kg
Lead	20.9 mg/kg	11 mg/kg
Magnesium	2700 mg/kg	32700 mg/kg
Manganese	630 mg/kg	453 mg/kg
Mercury	0.5 mg/kg	0.07 mg/kg
Nickel	13 mg/kg	23 mg/kg
Potassium	1100 mg/kg	NT mg/kg
Phosphorus	(No background)	7200 mg/kg
Selenium	0.37 mg/kg	<0.6 mg/kg
Silver	0.5 mg/kg	1.2 mg/kg
Sodium	130 mg/kg	NT mg/kg
Thallium	0.42 mg/kg	NT mg/kg
Vanadium	25 mg/kg	25.1 mg/kg
Zinc	60.2 mg/kg	379 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.