NYC 9/11 Public Portal Document
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setting, where the duration and intensity of asbestos exposure can be greater, there is a higher risk to
workers. Workers at the WTC site need to use the appropriate protective equipment to reduce
exposure. Exposure to some forms of fibrous glass (fiberglass) can cause cough, and eye, nose,
skin, and throat irritation. Long-term health effects associated with fibrous glass are not completely
known and standards for measurement of fibrous glass in environmental samples are not well
established. Although fiberglass is classified as a possible carcinogen, recent studies of more than
30,000 industrial workers who worked with fiberglass found no conclusive evidence of an increased
risk of cancer.
Additional information about the indoor testing initiative is available on the DOH Web site at
nyc.gov/health. A comprehensive report on this testing will be available this spring. Final test
results will be released to the public as soon as they become available. Results of outdoor sampling
since September 11 of air, water, and dust - including sampling for asbestos and particulate matter
- are posted on the U.S. Environmental Protection Agency's (EPA) website, epa.gov, and can also
be found on the New York City Department of Environmental Protection’s (DEP) website at
nyc.gov/dep. WTC-related information can also be found at nyc.gov/health.
Information on the Project Liberty program, a statewide disaster-recovery initiative that offers free
crisis counseling, education, and referral services to anyone affected by the World Trade Center
disaster, is available by calling 1-800-LIFENET or 1-800-543-3638.
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