Evaluation of solidification/stabilization for treating explosives contaminated soils
- Army Engineer Waterways Experiment Station, Vicksburg, MS (United States)
The success of solidification/stabilization (S/S) for treating explosives contaminated soils was evaluated using a variety of physical, chemical, and contaminant release testing methods. The analytes of concern included explosives and their degradation products (TNT, RDX, HMX, 2, 4-Dinitrotoluene, 2,6-dinitrotoluene, 2,4,6-Trinitrotoluene, 2-Amino-4,6-Dinitrotoluene, 4-Amino-2,6-Dinitrobenzene, 2,4-Dinitrotoluene) and PAH`s (Benzo(a)anthracene, Benzo(b)fluoranthene, Benzo(k)fluoranthene, Benzo(a)pyrene, Chrysene, Dibenz(a,h) anthracene, and Ideno (1,2,3-cd)pyrene). All Toxicity Characteristic Leaching Procedure (TCLP) leachate analytes, except 2-Am-4,6-TNT was reduced approximately 97%. The release of 2,4-DNT was also significantly reduced. The results of the Sequential Batch Leach Test (SBLT) were mixed. The PAH compounds were not identified above detectable limits in the leachates from either the untreated soil or the treated soils. Release of 2,4,6-TNT was reduced to undetectable. However, other explosives related compounds (2-Am-4, 6-DNT) were identified in the leachates from the treated soils that were not identified in the untreated soil. Organic transformations in the highly alkaline environment associated with S/S or sample heterogeneity are suspected to cause this phenomena.
- OSTI ID:
- 549372
- Report Number(s):
- CONF-931119-; TRN: IM9751%%55
- Resource Relation:
- Conference: 3. international symposium on stabilization/solidification of hazardous, radioactive and mixed wastes, Williamsburg, VA (United States), 1-5 Nov 1993; Other Information: PBD: 1996; Related Information: Is Part Of Stabilization and solidification of hazardous, radioactive, and mixed wastes: 3. volume; Gilliam, T.M.; Wiles, C.C. [eds.]; PB: [740] p.; ASTM special technical publication 1240
- Country of Publication:
- United States
- Language:
- English
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