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Pilot-scale verification test for Hanford grout

Description: The Grout Treatment Facility (GTF) at Hanford, Washington will process the low-level fraction of selected double-shell tank (DST) wastes on the Hanford Site, to produce a cementitious waste form. This facility, which is operated by Westinghouse Hanford Company (Westinghouse Hanford), mixes liquid wastes with cementitious materials and pumps the resulting grout slurry into large [5,300 cubic meters (m{sup 3})] concrete vaults. Once in the vault, the grout cures to produce a waste form that immob… more
Date: February 1, 1993
Creator: Bagaasen, L. M. & Powell, W. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Acute toxicity screening of Hanford Site waste grouts using aquatic invertebrates

Description: Waste grouts prepared by mixing a simulated nonradioactive liquid waste with a dry solids blend consisting of cement, fly ash, and clay were screened for their acute toxicity using aquatic invertebrates (D. magna, D. pulex, and C. dubia) as test organisms and a fluorogenic substrate (4-methylumbelliferyl b-d galactoside) as the toxic stress indicator. After one hour of exposing juvenile daphnids to grout extracts of varying concentrations, followed by a 15-minute reaction with the fluorogenic s… more
Date: November 1, 1993
Creator: Rebagay, T. V.; Dodd, D. A.; Lockrem, L. L.; Powell, W. J. & Voogd, J. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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