MATERIALS SAFETY DATA SHEET
ULTRAVIOLET BLACK LIGHT
4 to 18 watts
Glo Germ Company
PO Box 189
Moab, Utah 84532
Emergency & Information Telephone Number
1-800-842-6622
March 7, 2006
Long-wave, UV-A, ultraviolet light, with wavelengths at 3500 to 3800 angstrom units, is
totally harmless to skin and eyes. It causes no changes in the body and requires no protective precautions in
normal use as recommended by the Glo Germ Company.
Short-wave, UV-B, ultraviolet light, with wavelengths at 2537 angstrom units, does cause chemical changes
in the body, such as the formation of vitamin D. With prolonged exposure, reddening of the skin and in铿俛m-
mation of the eyes may occur. While these are uncomfortable effects, they are temporary and no permanent
damage will result. Ordinary glass or plastic will completely 铿乴ter out short-wave ultraviolet light.
UV-A long-wave light within the range outlined above is relatively safe. However, prolonged exposure
of the black light to the eyes may cause eye irritation. Symptoms, which can include tearing of the eyes,
a burning or painful sensation in the eyes, sensitivity to light, or a sensation like that experienced when a
foreign object is lodged in the eye, may not be present until several hours after exposure. To reduce likeli-
hood of experiencing adverse symptoms, individuals should properly shield themselves and use the black
lights only as directed. The above assumes a healthy eye and no corrective lenses. Therefore, the Glo Germ
Company recommends that the lamp never be held within 6 inches of the eyes and do not look into the bulb
at close range longer than three minutes. This lamp should be used under adult supervision.
Exposure to UV lights should be limited. Black lights should not be tampered with, nor should their shields
or lenses be removed. The Glo Germ Company uses black lights to detect 鈥渟imulated鈥? germs on hands and
surfaces. Therefore, hands and surfaces only should be exposed to the light. Individuals should not look
directly at the black light.
Please Note: Individuals sensitive to UV light, taking photosensitizing mediations, or those who lack optic
lenses or who may have other abnormal eye conditions may not be adequately protected against exposure to
arti铿乧ial UV light and should avoid it altogether.
Ultra Shortwave, UV-C radiation has been known to cause blindness, 驶blind spots始 in the eyes, sun-burn-
ing of the skin, and skin cancer. For these reasons, Glo-Germ does not use short-wave, UV-C, lights. These
lamps are used to disinfect objects, to sterilize water or other liquids, in tanning booths, in special laboratory
applications, and is the main ultraviolet wave length from the Sun and welder torches. The wavelength is
between 2000 and 2500 angstrom units
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