Watch out: While in our OPINION the ordinary use of UV flashlights and UV lamps for purposes of building or environmental inspection or security screening constitutes no unusual health risk, excessive or inappropriate exposure to high levels or protracted durations of ultraviolet light may be unsafe and possibly carcinogenic.Ī much cited study indicated that "The risk was not significantly or consistently raised for exposure to fluorescent lights at home or at work." Question: using a black light to track down iridescent powder substance in carpetĬan you be of help identifying a carpet (?) problem I am having in my apartment?
#BLACK LIGHT AND RINGWORM HOW TO#
One of the most effective uses of UV light in building investigations is the tracking down of odors & contaminants such as urine, urine stains, or odors & allergens from pets, rodents, or other animals, even human.īut because a large number of materials will fluoresce under a black light, we need to give some thought to how to interpret what our UV light is actually revealing when we shine it on a building material or surface.ĭiscussed here: Catalog of materials that fluoresce under black light (UV light) & sources of UV lights, supplies. Guide to Using Ultra Violet Light (UV light or "black light") for Forensic Building Investigations We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Small black lights are available from pet supply stores, art supply stores, and forensic and police equipment suppliers and are generally inexpensive. We also use UV light to screen buildings for other body fluids, including blood. We provide a catalog of materials that glow or flouresce under UV light and cite scholarly-research for many of those materials and the forensic use of black light. We describe the use of a black light, UV light to screen buildings for pet urine or urine from humans or other animals even where no stains are visible in or around buildings. This article describes uses of UV light in building investigations.
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