Sample Name: LL5-105-20

Sample date: August 24, 2006
Operable Unit: 5
Sample Type: soil
Sample Depth: 24-Jun
Location Description:

Contaminants above Illinois EPA soil background level  :

• Aluminum
• Barium
• Beryllium
• Cadmium
• Chromium
• Copper
• Iron
• Lead
• Mercury
• Selenium
• Silver
• Thallium
• Vanadium
• Zinc

Latitude: +41.3207344      Longitude: -89.3130983

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	12800 mg/kg
Antimony	3.3 mg/kg	<9.3 mg/kg
Arsenic	11.3 mg/kg	10.5 mg/kg
Barium	122 mg/kg	431 mg/kg
Beryllium	0.56 mg/kg	0.71 mg/kg
Cadmium	0.5 mg/kg	5.9 mg/kg
Calcium	5525 mg/kg	17400 mg/kg
Chromium	13 mg/kg	25.8 mg/kg
Cobalt	8.9 mg/kg	7.6 mg/kg
Copper	12 mg/kg	39 mg/kg
Iron	15000 mg/kg	21000 mg/kg
Lead	20.9 mg/kg	108 mg/kg
Magnesium	2700 mg/kg	9950 mg/kg
Manganese	630 mg/kg	289 mg/kg
Mercury	0.5 mg/kg	0.41 mg/kg
Nickel	13 mg/kg	22.7 mg/kg
Potassium	1100 mg/kg	1510 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	1.7 mg/kg
Silver	0.5 mg/kg	0.51 mg/kg
Sodium	130 mg/kg	<772 mg/kg
Thallium	0.42 mg/kg	3.9 mg/kg
Vanadium	25 mg/kg	29.5 mg/kg
Zinc	60.2 mg/kg	741 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.