AATCC 109-2005标准是关于低湿度环境下耐臭氧色牢度的测试标准，AATCC 109标准由AATCC 组织R33小组与1963年提出，于1972、1986、1987进行过修订，1971、1975、1983、1992、2002、2005进行重申，部分相当于 ISO 105-G03标准。
1.1 This test method is intended for determining the resistance of the color of textiles to the action of ozone in the atmosphere at room temperatures with relative humidities not exceeding 67%.
2.1 A test specimen and a control specimen are simultaneously exposed to ozone in an atmosphere under ambient temperatures (64-82°F) and relative humidities not exceeding 67%, until the control specimen shows a color change corresponding to that of a standard of fading. This exposure period c