Supercritical carbon dioxide extraction of corn germ oil from corn germ utilizing extraction conditions adapted to a dry corn fractionation ethanol production process. If the warning status is not released in spite of transmitting the warning information and if the user is not near the device, warning information is transmitted to one or more hand-held terminals in an external network according to predetermined order. The medium preferably has a low-pass response. Each pixel can also include a multiple quantum well formed on the semiconductor base. A latching element is coupled to latch to an output signal of the plurality of inverting elements. The one or more identified captured images and identification information for the one or more retail store conditions are stored in the repository.