Sample Name: LL4-30-05

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

Contaminants above Illinois EPA soil background level  :

• Barium
• Cadmium
• Copper
• Lead
• Selenium
• Zinc

Latitude: +41.3206178      Longitude: -89.3164066

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	4990 mg/kg
Antimony	3.3 mg/kg	<7.1 mg/kg
Arsenic	11.3 mg/kg	4.2 mg/kg
Barium	122 mg/kg	380 mg/kg
Beryllium	0.56 mg/kg	0.29 mg/kg
Cadmium	0.5 mg/kg	5.2 mg/kg
Calcium	5525 mg/kg	24400 mg/kg
Chromium	13 mg/kg	9.8 mg/kg
Cobalt	8.9 mg/kg	5.1 mg/kg
Copper	12 mg/kg	16.8 mg/kg
Iron	15000 mg/kg	9870 mg/kg
Lead	20.9 mg/kg	36.3 mg/kg
Magnesium	2700 mg/kg	12600 mg/kg
Manganese	630 mg/kg	454 mg/kg
Mercury	0.5 mg/kg	<0.11 mg/kg
Nickel	13 mg/kg	10.9 mg/kg
Potassium	1100 mg/kg	743 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	0.71 mg/kg
Silver	0.5 mg/kg	0.18 mg/kg
Sodium	130 mg/kg	<592 mg/kg
Thallium	0.42 mg/kg	<3 mg/kg
Vanadium	25 mg/kg	15.3 mg/kg
Zinc	60.2 mg/kg	444 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.