Sample Name: LL10-505-20

Sample date: August 17, 2006
Operable Unit: 5
Sample Type: soil
Sample Depth: 24-Jun
Location Description:

Contaminants above Illinois EPA soil background level  :

• Arsenic
• Barium
• Cadmium
• Copper
• Iron
• Lead
• Mercury
• Selenium
• Silver
• Zinc

Latitude: +41.3246128      Longitude: -89.2994015

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	2480 mg/kg
Antimony	3.3 mg/kg	<27 mg/kg
Arsenic	11.3 mg/kg	52 mg/kg
Barium	122 mg/kg	1450 mg/kg
Beryllium	0.56 mg/kg	0.26 mg/kg
Cadmium	0.5 mg/kg	34.1 mg/kg
Calcium	5525 mg/kg	73800 mg/kg
Chromium	13 mg/kg	3.9 mg/kg
Cobalt	8.9 mg/kg	12.6 mg/kg
Copper	12 mg/kg	37.4 mg/kg
Iron	15000 mg/kg	35100 mg/kg
Lead	20.9 mg/kg	161 mg/kg
Magnesium	2700 mg/kg	3400 mg/kg
Manganese	630 mg/kg	630 mg/kg
Mercury	0.5 mg/kg	0.44 mg/kg
Nickel	13 mg/kg	14.7 mg/kg
Potassium	1100 mg/kg	151 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	3.1 mg/kg
Silver	0.5 mg/kg	0.97 mg/kg
Sodium	130 mg/kg	709 mg/kg
Thallium	0.42 mg/kg	<11.2 mg/kg
Vanadium	25 mg/kg	7.8 mg/kg
Zinc	60.2 mg/kg	3510 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.