Sample Name: LL21-205-20

Sample date: August 22, 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
• Vanadium
• Zinc

Latitude: +41.3056445      Longitude: -89.3255998

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	16900 mg/kg
Antimony	3.3 mg/kg	<8.5 mg/kg
Arsenic	11.3 mg/kg	8.7 mg/kg
Barium	122 mg/kg	202 mg/kg
Beryllium	0.56 mg/kg	0.96 mg/kg
Cadmium	0.5 mg/kg	6.3 mg/kg
Calcium	5525 mg/kg	13500 mg/kg
Chromium	13 mg/kg	78.1 mg/kg
Cobalt	8.9 mg/kg	8.7 mg/kg
Copper	12 mg/kg	65.8 mg/kg
Iron	15000 mg/kg	27300 mg/kg
Lead	20.9 mg/kg	77.1 mg/kg
Magnesium	2700 mg/kg	8040 mg/kg
Manganese	630 mg/kg	326 mg/kg
Mercury	0.5 mg/kg	0.31 mg/kg
Nickel	13 mg/kg	43.2 mg/kg
Potassium	1100 mg/kg	2090 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	2.1 mg/kg
Silver	0.5 mg/kg	1.5 mg/kg
Sodium	130 mg/kg	251 mg/kg
Thallium	0.42 mg/kg	<3.5 mg/kg
Vanadium	25 mg/kg	34.1 mg/kg
Zinc	60.2 mg/kg	469 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.