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	decibel levels

wbrokhof

3-4-2009 2:27 PM

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d66157a2-ef84-4dcb-9263-da76946a2d05/ED7A7AFE-65D6-4663-B380-3F0012AC50BA/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.dangerousdecibels.org/hearingloss.cfm" href="http://www.dangerousdecibels.org/hearingloss.cfm" style="font-size: 11px;">www.dangerousdecibels.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dangerousdecibels.org/hearingloss.cfm"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.dangerousdecibels.org/img/712C48E8-A3D0-4881-9E87-83EAA617688F" alt="Decibel Thermometer" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dangerousdecibels.org/hearingloss.cfm"><UL class="bodytext">
			<li style="margin-left:16px;padding-left: 0px;">A typical conversation occurs at 60 dB - not loud enough to cause damage.</LI>
			<li style="margin-left:16px;padding-left: 0px;">A bulldozer that is idling (note that this is idling, not actively bulldozing) is loud enough at 85 dB that it can cause permanent damage after only 1 work day (8 hours). </LI> 
			<li style="margin-left:16px;padding-left: 0px;">When listening to music on earphones at a standard volume level 5, the sound generated reaches a level of 100 dB, loud enough to cause permanent damage after just 15 minutes per day!</LI>
			<li style="margin-left:16px;padding-left: 0px;">A clap of thunder from a nearby storm (120 dB) or a gunshot (140-190 dB, depending on weapon), can both cause immediate damage.</LI>  
		</UL></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/ED7A7AFE-65D6-4663-B380-3F0012AC50BA/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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