K Values Calibrated to Each Dataset

Model calibrated to each dataset independently, C0 = 4 ppb,  C1 = 22 ppb,   Zx = 0 (PSTA), Zx = 60 cm (EMERG & SAV)

Bars = mean +/- 1 standard error

Red Bar = Prototype dataset

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Dataset Duration > 1 year

6/7/2002