A system and method is provided for determining the location of an object. The head of piston located in the cylinder bore divides the bore into first and second variable volume intake chambers. Treated water moves from the drainage member in the upper tank through an inlet at the top of the lower tank. The second end may be positioned above the first end when the main body is in a closed position. The calibrator includes a calibrating switch module and a calibrating latch. A directory of business entities that includes certification information and other features may also be provided.