05512702 is referenced by 23 patents and cites 3 patents.

Solid calcium phosphate materials are used for in-situ immobilization of lead contaminated soils, wastes, and sediments by mixing the solid calcium phosphate material with the lead contaminated material and leaving the mixture in place. The solid calcium phosphate material includes, for example, naturally occurring apatite, synthetic hydroxyapatite, dibasic calcium phosphate, or phosphate rock.

Title
Method for in-situ immobilization of lead in contaminated soils, wastes, and sediments using solid calcium phosphate materials
Application Number
8/148725
Publication Number
5512702
Application Date
November 8, 1993
Publication Date
April 30, 1996
Inventor
Samuel J Traina
Columbus
OH, US
Qi Y Ma
Columbus
OH, US
Terry J Logan
Columbus
OH, US
James A Ryan
Cincinnati
OH, US
Assignee
The Ohio State University Research Foundation
IPC
B09B 3/00
View Original Source