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<p>[QUOTE=&quot;gatzdon, post: 290496, member: 8247&quot;]The archaeologists of the future will definitely not have as much fun digging up our landfills as present day archaeologists enjoy digging up the outhouses of yestercentury and buried towns of yestermillenium.&nbsp; Today&#039;s landfills are engineered to be managed until they are inert.&nbsp; We compact them to the point that they can be used for some other purpose (such as golf courses and mini ski mountains).&nbsp; While some items may see some preservation, most will have been corroded/distorted beyond recognition.</p><p><br /></p><p>One example is that landfills recycle their leachate back through the landfill for years.&nbsp; They are designed with a liner to catch all leachate from the landfill to protect the groundwater system.&nbsp; This leachate is stored and returned to the landfill (allowing evaporation to remove the excess water).&nbsp; This leachate has a very low pH which dissolves and contains hazardous heavy metals.&nbsp; Due to the diversion of high BTU waste (like newspaper, yard waste, plastics, etc...), current landfills take 10+ years before the pH levels of the leachate even approach neutral.&nbsp; </p><p><br /></p><p>Imagine what a modern coin must look like after 10 years of constant exposure to an acid solution.[/QUOTE]</p><p><br /></p>

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