Sample Name: HP-2-ST-4 58″-63″

Sample date: April 22, 2003
Operable Unit: 2
Sample Type: soil
Sample Depth: 58-63 in
Location Description: beneath the hardpan layer

Contaminants above Illinois EPA soil background level  :

• Chromium
• Copper
• Iron
• Zinc
• Sulfate

Latitude: +41.3349788      Longitude: -89.2958951

Metal Contaminants:

Contaminant	Background Level	Amount Detected
Aluminum	9200 mg/kg	NT mg/kg
Antimony	3.3 mg/kg	NT mg/kg
Arsenic	11.3 mg/kg	1.5 mg/kg
Barium	122 mg/kg	NT mg/kg
Beryllium	0.56 mg/kg	NT mg/kg
Cadmium	0.5 mg/kg	NT mg/kg
Calcium	5525 mg/kg	NT mg/kg
Chromium	13 mg/kg	91.9 mg/kg
Cobalt	8.9 mg/kg	14.2 mg/kg
Copper	12 mg/kg	48.1 mg/kg
Iron	15000 mg/kg	33400 mg/kg
Lead	20.9 mg/kg	6.04 mg/kg
Magnesium	2700 mg/kg	NT mg/kg
Manganese	630 mg/kg	535 mg/kg
Mercury	0.5 mg/kg	NT mg/kg
Nickel	13 mg/kg	42.5 mg/kg
Potassium	1100 mg/kg	NT mg/kg
Phosphorus	(No background)	597 mg/kg
Selenium	0.37 mg/kg	NT mg/kg
Silver	0.5 mg/kg	NT mg/kg
Sodium	130 mg/kg	NT mg/kg
Thallium	0.42 mg/kg	NT mg/kg
Vanadium	25 mg/kg	NT mg/kg
Zinc	60.2 mg/kg	173 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.