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Perc Test

New Expression Relating Kfs to Percolation Time

The Percolation Test (PT) rate of fall or “Perc Time” is still used in many jurisdictions to determine suitability for onsite sewage disposal or for sizing of soil absorption systems (drainfields) and stormwater infiltration BMPs. It has been understood for some time, however, that PT is less than ideal because it is not just a function of [more]

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