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Existing regulatory mobility reduction (leaching) tests are not amenable to real time quality control because of the time required to perform sample extraction and chemical analysis. This is of concern because the leaching test is the most important parameter used to relate treated waste performance to public health and environmental protection goals. To help alleviate this problem, an integrated quality control approach is recommended in which the number of leaching tests performed is minimized and quality control is maintained by a program which includes monitoring material (reagent) quality and equipment calibration, personnel requirements, real time testing, pilot cell demonstrations, and early failure indicators.
solidification, stabilization, quality control, real time, leaching tests
Professional Engineer, U.S. Army Corps of Engineers, Omaha, NE
Professional Engineer, U.S. Environmental Protection Agency, Cincinnati, OH
Professional Engineer, U.S. Environmental Protection Agency, Seattle, WA