Sample Name: J3-1.0-1.9

Sample date: April 17, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 12-22.8
Location Description: Chemistry Core

Contaminants above Illinois EPA soil background level  :

• Barium
• Cadmium
• Chromium
• Copper
• Lead
• Mercury
• Zinc

Latitude: +41.3181775      Longitude: -89.3147914

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	5220 mg/kg
Antimony	3.3 mg/kg	<0.2 mg/kg
Arsenic	11.3 mg/kg	4.9 mg/kg
Barium	122 mg/kg	1340 mg/kg
Beryllium	0.56 mg/kg	0.36 mg/kg
Cadmium	0.5 mg/kg	17 mg/kg
Calcium	5525 mg/kg	20400 mg/kg
Chromium	13 mg/kg	14 mg/kg
Cobalt	8.9 mg/kg	5.1 mg/kg
Copper	12 mg/kg	23 mg/kg
Iron	15000 mg/kg	10900 mg/kg
Lead	20.9 mg/kg	63 mg/kg
Magnesium	2700 mg/kg	9930 mg/kg
Manganese	630 mg/kg	309 mg/kg
Mercury	0.5 mg/kg	0.11 mg/kg
Nickel	13 mg/kg	12 mg/kg
Potassium	1100 mg/kg	728 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	<4.2 mg/kg
Silver	0.5 mg/kg	0.37 mg/kg
Sodium	130 mg/kg	<598 mg/kg
Thallium	0.42 mg/kg	<3 mg/kg
Vanadium	25 mg/kg	14 mg/kg
Zinc	60.2 mg/kg	930 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.