A year and a half later, the first phase of research was complete. It was discovered that in comparison to workers in a selected control group of textile and electronics companies, there was a high incidence of breast cancer and cervical cancer among female employees at RCA (48 cases among 703 respondents). The second phase of research would be aimed at making the connection between the pollution and the breast cancer.
一年半後，第一期研究以新光紡織、遠東紡織、菲利浦電子等公司的勞工為對照組，發現 RCA 女性員工罹患乳癌、子宮頸癌的人數的確偏高（受訪的 703 女性中，有 48 名罹癌）；為了了解污染與乳癌的相關性，又做了第二期研究。