Sample Name: K2-12.0-14.0

Sample date: April 14, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 12-14ft
Location Description: Sediment

Contaminants above Illinois EPA soil background level  :

• Iron
• Thallium

Latitude: +41.3198944      Longitude: -89.3125916

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	4,630 mg/kg
Antimony	3.3 mg/kg	<7.5 mg/kg
Arsenic	11.3 mg/kg	5 mg/kg
Barium	122 mg/kg	60 mg/kg
Beryllium	0.56 mg/kg	0.33 mg/kg
Cadmium	0.5 mg/kg	0.27 mg/kg
Calcium	5525 mg/kg	53,900 mg/kg
Chromium	13 mg/kg	9.1 mg/kg
Cobalt	8.9 mg/kg	7.2 mg/kg
Copper	12 mg/kg	10 mg/kg
Iron	15000 mg/kg	15,100 mg/kg
Lead	20.9 mg/kg	7.4 mg/kg
Magnesium	2700 mg/kg	22,000 mg/kg
Manganese	630 mg/kg	352 mg/kg
Mercury	0.5 mg/kg	<0.13 mg/kg
Nickel	13 mg/kg	14 mg/kg
Potassium	1100 mg/kg	632 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	<4.4 mg/kg
Silver	0.5 mg/kg	<1.3 mg/kg
Sodium	130 mg/kg	<626 mg/kg
Thallium	0.42 mg/kg	0.68 mg/kg
Vanadium	25 mg/kg	13 mg/kg
Zinc	60.2 mg/kg	36 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.