Sample Name: E7-10-12.2

Sample date: April 17, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 10-12.2ft
Location Description: Sediment

Contaminants above Illinois EPA soil background level  :

Latitude: +41.3187717      Longitude: -89.3132768

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	1,430 mg/kg
Antimony	3.3 mg/kg	<6.4 mg/kg
Arsenic	11.3 mg/kg	1.1 mg/kg
Barium	122 mg/kg	7.1 mg/kg
Beryllium	0.56 mg/kg	0.066 mg/kg
Cadmium	0.5 mg/kg	<0.54 mg/kg
Calcium	5525 mg/kg	14,000 mg/kg
Chromium	13 mg/kg	2.9 mg/kg
Cobalt	8.9 mg/kg	1.9 mg/kg
Copper	12 mg/kg	3.2 mg/kg
Iron	15000 mg/kg	3,250 mg/kg
Lead	20.9 mg/kg	2.7 mg/kg
Magnesium	2700 mg/kg	8,200 mg/kg
Manganese	630 mg/kg	49 mg/kg
Mercury	0.5 mg/kg	<0.11 mg/kg
Nickel	13 mg/kg	4.1 mg/kg
Potassium	1100 mg/kg	98 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	<3.7 mg/kg
Silver	0.5 mg/kg	<1.1 mg/kg
Sodium	130 mg/kg	<535 mg/kg
Thallium	0.42 mg/kg	<2.7 mg/kg
Vanadium	25 mg/kg	6.6 mg/kg
Zinc	60.2 mg/kg	16 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.