An analytical fluorometric method and a kit for use in such method are disclosed for assessing the presence of alkaline sphingomyelinase in the stools of a patient in need of such an assessment since alkaline SMase is a marker of serious pathological states, such as colon cancer. In various embodiments, the memory card can include a chamfer andor a raised portion that allows the memory card to be more easily grabbed by a human hand and also provides additional room to store passive devices such as capacitors andor resistors. The first mode is associated with a first group of vehicle wash services for treating an exterior of a vehicle. If a non-enabled computer attempts to run the software, the user is given a choice to acquire a new license for the computer, move the license from an existing licensed computer to the current computer, or exit.