When Ding Wang-hsien, professor of chemistry at National Central University, conducted a survey of dishwashing soaps and floor cleaners on the market in 2002, 41 % of his 90-plus samples contained nonyl phenol.
中央大學化學系教授丁望賢曾在 2002 年調查市售洗碗精、地板清潔劑等，結果在九十多件採樣中，41％含有壬基苯酚。