Sample Name: G7-1.0-1.3

Sample date: April 10, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 12-15.6
Location Description: Discrete

Contaminants above Illinois EPA soil background level  :

• Aluminum
• Beryllium
• Chromium
• Copper
• Iron
• Mercury
• Selenium
• Zinc

Latitude: +41.3112156      Longitude: -89.3213097

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	10900 mg/kg
Antimony	3.3 mg/kg	NT mg/kg
Arsenic	11.3 mg/kg	1.5 mg/kg
Barium	122 mg/kg	100 mg/kg
Beryllium	0.56 mg/kg	0.74 mg/kg
Cadmium	0.5 mg/kg	0.36 mg/kg
Calcium	5525 mg/kg	15900 mg/kg
Chromium	13 mg/kg	19 mg/kg
Cobalt	8.9 mg/kg	10 mg/kg
Copper	12 mg/kg	19 mg/kg
Iron	15000 mg/kg	25800 mg/kg
Lead	20.9 mg/kg	12 mg/kg
Magnesium	2700 mg/kg	10500 mg/kg
Manganese	630 mg/kg	498 mg/kg
Mercury	0.5 mg/kg	0.062 mg/kg
Nickel	13 mg/kg	24 mg/kg
Potassium	1100 mg/kg	1270 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	0.52 mg/kg
Silver	0.5 mg/kg	<1.3 mg/kg
Sodium	130 mg/kg	<664 mg/kg
Thallium	0.42 mg/kg	<3.3 mg/kg
Vanadium	25 mg/kg	24 mg/kg
Zinc	60.2 mg/kg	98 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.