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Ask the Experts Archive > Types of Cancer > Lung Cancers > General Concerns
Fiberglass and Lung Cancer Risk
Affiliation: Abramson Cancer Center of the University of Pennsylvania
Last Modified: November 1, 2008
Dear OncoLink "Ask The Experts,"
I would like to know if there is a link between breathing in fiberglass particles and lung cancer. Also whether glass fiber-reinforced epoxy resin is harmful? Where I work, these are used and the dust is freely dispersed into the air, causing some of my fellow workers considerable breathing discomfort. My employer has said it’s as safe as adding sugar to my morning cereal but I have my doubts.
Anil Vachani, MD, Attending Physician at the University of Pennsylvania Medical Center, responds:
Fiberglass insulation is a man-made product and is made of natural ingredients such as sand, and recycled products such as window glass and bottles. The ingredients are melted and spun to form strands of fiberglass. According to the National Academy of Sciences, epidemiological studies of glass fiber manufacturing workers "do not appear to increase the risk of respiratory system cancer". At present, there are not enough data to support a link between fiberglass and cancer. However, I do not believe that it is as safe as adding sugar to your morning cereal.
OSHA (Occupational Safety and Health Administration) has recommended maximum exposure levels in the workplace (more information can be found at their website), and recommends several work practices along with the use of protective clothing for those working with fiberglass. These include the following: wear loose-fitting, long-sleeved clothing and long pants; wear gloves; do not scratch or rub your skin if fiberglass particles accumulate on your skin; wear safety glasses with side shields; wear a hat; do not rub your eyes while working with fiberglass. If the environment is dusty or if you experience any irritation of the nose, mouth, or throat, you should consider wearing an N95 particulate respirator mask. These are available in most home improvement stores.