Sample Name: LL11-20-05

Sample date: August 24, 2006
Operable Unit: 5
Sample Type: soil
Sample Depth: 0-6
Location Description:

Contaminants above Illinois EPA soil background level  :

• Cadmium
• Copper
• Iron
• Lead
• Mercury
• Selenium
• Zinc

Latitude: +41.3227268      Longitude: -89.298864

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	4290 mg/kg
Antimony	3.3 mg/kg	<6.7 mg/kg
Arsenic	11.3 mg/kg	6.9 mg/kg
Barium	122 mg/kg	43.2 mg/kg
Beryllium	0.56 mg/kg	0.37 mg/kg
Cadmium	0.5 mg/kg	3.1 mg/kg
Calcium	5525 mg/kg	44500 mg/kg
Chromium	13 mg/kg	8.4 mg/kg
Cobalt	8.9 mg/kg	8.6 mg/kg
Copper	12 mg/kg	88.6 mg/kg
Iron	15000 mg/kg	18400 mg/kg
Lead	20.9 mg/kg	21.3 mg/kg
Magnesium	2700 mg/kg	21400 mg/kg
Manganese	630 mg/kg	597 mg/kg
Mercury	0.5 mg/kg	0.11 mg/kg
Nickel	13 mg/kg	13.2 mg/kg
Potassium	1100 mg/kg	616 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	0.92 mg/kg
Silver	0.5 mg/kg	<1.1 mg/kg
Sodium	130 mg/kg	282 mg/kg
Thallium	0.42 mg/kg	<2.8 mg/kg
Vanadium	25 mg/kg	14.7 mg/kg
Zinc	60.2 mg/kg	612 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.