The Registry has conducted three major health surveys to date, as well as a survey of World Trade Center (WTC) responders who worked at a location other than the WTC site in Lower Manhattan.
9/11 Health and Employment Survey (PDF)
Quantitative Injury Survey Questionnaire (2017, PDF)
Staten Island Landfill and Barge Worker Survey (2010) (PDF)
Hurricane Sandy Survey (2013) (PDF)