From: JustinThyme@nowhere.com   
      
   Norm X wrote:   
   > On 2015-07-10 3:30 PM, Norm X wrote:   
   >> On 2015-07-08 7:55 AM, Justin Thyme wrote:   
   >>> Are alkyl siloxanes at all injurious to the environment?   
   >>   
   >> My opinion would be that it depends on the quantity involved. In small   
   >> quantities silicone can be 'safely' injected into the human body because   
   >> silicone substances are inert. Other inert substances used surgically   
   >> include polypropylene and Teflon.   
   >>   
   >> However, because they are not biodegradable or degraded by other than   
   >> intense heat, a large spill of silicone would make an area unsuitable   
   >> for agriculture or recreation until it was cleaned up. Silicones are   
   >> impervious to oxygen or water so a large spill on the ground or into a   
   >> water way would disrupt life, locally. But the same could be said of   
   >> other inert substances in large quantity.   
   >   
   > Also note:   
   > https://en.wikipedia.org/wiki/Siloxane   
   > "Siloxanes such as D4 are pervasive in the environment probably because   
   > of their widespread use.[7][8] D4 is toxic to some aquatic organisms,   
   > even at low concentrations.[9] In mammals, it impairs fertility, damages   
   > the liver and has an estrogenic effect.[9] Both D4 and D5 are   
   > bioaccumulative.[9]   
      
   Thank you.   
      
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      When the storm is ended shall we find   
   How softly but how swiftly they have sidled back to power   
      By the favour and contrivance of their kind?   
      
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