Overview
- A peer-reviewed survey published Wednesday asked 475 people living within 15 miles of the Santa Susana Field Laboratory and found that residents within five miles reported much higher rates of autoimmune, metabolic, and endocrine diagnoses than those 11–15 miles away.
- The authors and reporting stress that the data are self-reported and cross-sectional, so the study cannot show that contamination at the site caused the illnesses and the team urges medically verified, longitudinal follow-up.
- The sample was relatively affluent, with 56% reporting household incomes of $100,000 or more, yet more than a third said they had at least one chronic diagnosis since moving in, a rate similar to the U.S. average.
- Researchers also found that fear and health anxiety, rather than confidence in managing risks, drove people to take precautions, and paradoxically those who saw protection as more expensive reported taking more protective actions.
- The findings reopen debate over SSFL’s legacy contamination and who should lead cleanup after decades of rocket testing, reactor work and a 1959 partial meltdown, and they underscore concerns that drought and wildfire can spread on-site contaminants and complicate monitoring.