Sample Name: DUP-012

Sample date: April 16, 2007
Operable Unit: 5
Sample Type: soil
Sample Depth: 24-48
Location Description: Chemistry Core

Contaminants above Illinois EPA soil background level  :

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

Latitude: +41.3217469      Longitude: -89.3047432

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	4530 mg/kg
Antimony	3.3 mg/kg	<13 mg/kg
Arsenic	11.3 mg/kg	2.9 mg/kg
Barium	122 mg/kg	397 mg/kg
Beryllium	0.56 mg/kg	0.29 mg/kg
Cadmium	0.5 mg/kg	9.4 mg/kg
Calcium	5525 mg/kg	200000 mg/kg
Chromium	13 mg/kg	8.1 mg/kg
Cobalt	8.9 mg/kg	2.4 mg/kg
Copper	12 mg/kg	16 mg/kg
Iron	15000 mg/kg	11600 mg/kg
Lead	20.9 mg/kg	45 mg/kg
Magnesium	2700 mg/kg	7170 mg/kg
Manganese	630 mg/kg	473 mg/kg
Mercury	0.5 mg/kg	0.15 mg/kg
Nickel	13 mg/kg	<9 mg/kg
Potassium	1100 mg/kg	567 mg/kg
Phosphorus	(No background)	NT mg/kg
Selenium	0.37 mg/kg	0.64 mg/kg
Silver	0.5 mg/kg	0.25 mg/kg
Sodium	130 mg/kg	<1080 mg/kg
Thallium	0.42 mg/kg	<5.4 mg/kg
Vanadium	25 mg/kg	10 mg/kg
Zinc	60.2 mg/kg	363 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.