Do uv rays penetrate glass
11 Jul Sand reflects 17 percent of UV radiation, so you're still exposed, says Dr. Weinstock. Nevertheless Reality: Glass filters out only one kind of radiation -- UVB rays. But UVA rays, which penetrate deeper, can still get through.
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Description:Skin Cancer Foundation Retrieved November 30th, from http: United States Environmental Protection Agency. A Guide to the UV Index. Retrieved November 30th, , from https: The role of glass as a barrier against the transmission of ultraviolet radiation: