Method of Controlling the Generation of a Gas Within a Package

A system comprising:

• a. an area comprising at least one light source comprising:
• i. a first set of lenses, mirrors, filters, or combinations thereof that provide a wavelength of about 350 to 1000 nm and a relative intensity of about 100;
• and
• ii. a second set of lenses, mirrors, or combinations thereof that provide a wavelength of about 385 to 750 nm and a relative intensity of 0.001 to 50;
• and
• b. a package comprising:
• i. a composition that generates a disinfecting gas upon exposure to said light source;
• and
• ii. an object to be disinfected.