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Fig. 3. Generalized alkalinity data (points) for cubitainer tests of the influent to Howe Bridge, Morrison, and Buck Mountain anoxic limestone drains (ALDs) and corresponding estimates of alkalinity concentration (Ct) computed on the basis of first-order (Eq. [7], dashed curves) and second-order (Eq. [10], solid curves) rate models and corresponding rate constants derived from cubitainer data (Fig. 4 and 5). (A) Howe Bridge and Morrison tests conducted under static–closed conditions (after Watzlaf and Hedin, 1993). (B) Buck Mountain tests conducted under static–closed and circulated–closed conditions.
