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NPWLNetwork of Presbyterian Women in Leadership (Louisville, KY)
NPWLNon-Pumping (Static) Water Level
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An analysis of the measurements made while a high-capacity production well was pumping and not pumping indicates no difference between the resonance frequency at the peak amplitude between pumping and non-pumping conditions, but these data showed a greater amplitude and, perhaps, a better resolution of the peak resonance frequency while the pump was on at that site.
Introduction of a non-pumping shearing element (Screw Configurations 3, 4) also shows the complete filling of this element.
The new OASIS(TM) Water Purification System is the only non-pumping, personal purifier to be registered with the EPA.
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