Publication - Journal Article Foam Delivery of Calcium Polysulfide to the Vadose Zone for Chromium(VI) Immobilization: A Laboratory Evaluation DOI https://doi.org/10.2136/vzj2008.0124 Journal Article Vadose Zone Journal, vol. 8, iss. 4, pp. 976-985, 2009 Authors Lirong Zhong, Nikolla P. Qafoku, James E. Szecsody, P. Evan Dresel, Zhuanfang F. Zhang Language English