Sample Name: N.5-1.5-10-12

Sample date: April 15, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 10-12ft
Location Description: Sediment

Contaminants above Illinois EPA soil background level  :

• Cadmium
• Chromium
• Copper
• Zinc

Latitude: +41.320899      Longitude: -89.3047234

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	7,910 mg/kg
Antimony	3.3 mg/kg	<9.3 mg/kg
Arsenic	11.3 mg/kg	1.4 mg/kg
Barium	122 mg/kg	109 mg/kg
Beryllium	0.56 mg/kg	0.54 mg/kg
Cadmium	0.5 mg/kg	0.51 mg/kg
Calcium	5525 mg/kg	34,900 mg/kg
Chromium	13 mg/kg	15 mg/kg
Cobalt	8.9 mg/kg	6.8 mg/kg
Copper	12 mg/kg	19 mg/kg
Iron	15000 mg/kg	14,500 mg/kg
Lead	20.9 mg/kg	12 mg/kg
Magnesium	2700 mg/kg	18,800 mg/kg
Manganese	630 mg/kg	224 mg/kg
Mercury	0.5 mg/kg	<0.15 mg/kg
Nickel	13 mg/kg	19 mg/kg
Potassium	1100 mg/kg	812 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	<5.4 mg/kg
Silver	0.5 mg/kg	<1.6 mg/kg
Sodium	130 mg/kg	<775 mg/kg
Thallium	0.42 mg/kg	<3.9 mg/kg
Vanadium	25 mg/kg	17 mg/kg
Zinc	60.2 mg/kg	81 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.