The present invention provides a slab lift bracket that includes an collar portion with a center, an upper surface, a lower surface, an outer surface, and an inner surface. A method for disinfecting a fluent water sample includes generating a current using an array of photovoltaic cells, using the current to power an array of light emitting diodes, wherein the array of light emitting diodes emits a germicidal wavelength of radiation, and exposing the fluent water sample to the radiation while transporting the fluent water sample from a source to a storage reservoir. As a result a self-sealing drinking vessel is provided which provides liquid on user demand. The UE receives the RS measurement bandwidth and measures the RS in a bandwidth determined based on the received measurement bandwidth and the UE capability. The shell is preferably filled with potting material and sealed shut. In its basic embodiment, the cleaning composition comprises: a) a water miscible solvent; b) an inorganic salt; and c) water.