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#3 Sun Safety for Outdoor Workers Before starting your work day listen to the local radio station or visit www.weathernetwork.com for the weather forecast and UV Index reading. The UV Index is a measurement of the intensity of the sun’s ultraviolet (UV) rays on the earth’s surface.
When the UV Index reads:
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0-2 Low
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Minimal protection required for normal activities. Wear sunglasses on bright days. If outside for more than 1 hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength.
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3-5 Moderate
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Take precautions - cover up, wear a hat, sunscreen and sunglasses – especially if you will be outside for 30 minutes or more. Look for shade near midday when the sun is strongest
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6-7 High
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Protection required - UV damages the skin and can cause sunburn. Reduce time in the sun between 11 am and 4 pm and take full precautions – seek shade, cover up, wear a hat, sunglasses and sunscreen.
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8-10 Very High
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Extra precautions required. Unprotected skin will be damaged and can burn quickly. Avoid the sun between 11 a.m. and 4 p.m. and take full precautions - seek shade, cover up, wear a hat, sunscreen and sunglasses.
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11 Extreme
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Values of 11 or more are very rare in Canada. However, the UV index can reach 14 or more in the tropics and southern U.S. Take full precautions. Unprotected skin will be damaged and can burn in minutes. Avoid the sun between 11 am and 4 pm, cover up, wear a hat, sunglasses and sunscreen. White sand and other bright surfaces reflect UV and increase UV exposure.
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