An apparatus for use with an outdoor gas grill and a natural gas source. The method comprises contacting the gas with an aqueous acidic oxidizing composition comprising H2O2 and a metal catalyst, and submitting the at least one water soluble volatile organic compound and the aqueous acidic oxidizing composition to an UV radiation. The written data is put together into a data block having a predetermined transfer destination data size. The virtual money is acquired through game play or cash purchase. A VID offset generator is interposed between the CPU and the power supply unit.