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In Situ Stabilization of Soil Lead Using Phosphorus

G.M. Hettiarachchi*,a, G.M. Pierzynskib and M.D. Ransomb

a Remediation and Containment Branch, National Risk Management Research Lab., USEPA, 5995 Center Hill Ave., Cincinnati, OH 45224-1702
b Dep. of Agronomy, Throckmorton Plant Sciences Center, Kansas State Univ., Manhattan, KS 66506-5501



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  		Fig. 1. Bioavailable Pb by the physiologically based extraction test (PBET) for the Dearing material. Bioavailable Pb is expressed as a percentage of bioavailable Pb in the control sample. Means with the same letter within a phase are not significantly different at P < 0.05.

 


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  		Fig. 2. Bioavailable Pb by the physiologically based extraction test (PBET) for the Joplin material. Bioavailable Pb is expressed as a percentage of bioavailable Pb in the control sample. Means with the same letter within a phase are not significantly different at P < 0.05.

 


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  		Fig. 3. Bioavailable Pb by the physiologically based extraction test (PBET) for the Chat material. Bioavailable Pb is expressed as a percentage of bioavailable Pb in the control sample. Means with the same letter within a phase are not significantly different at P < 0.05.

 


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  		Fig. 4. X-ray diffraction (XRD) patterns for the <=10-µm particle size fraction of the Dearing material at 28 d.

 


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  		Fig. 5. X-ray diffraction (XRD) patterns for the PR5000-treated samples of the <=10-µm particle size fraction of the Dearing material at three sampling times.

 




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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2001 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.