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Re: Poison ivy logs

Subject: Re: Poison ivy logs
Author: BRIAN
Date: 11/18/2003 11:35 am
Views: 6337
Status: Approved
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Urushiol Oil is Potent
1.Only 1 nanogram (billionth of a gram) needed to cause rash
2.Average is 100 nanograms for most people
3.1/4 ounce of urushiol is all that is needed to cause a rash in every person on earth
4.500 people could itch from the amount covering the head of a pin
5.Specimens of urushiol several centuries old have found to cause dermatitis in sensitive people.
6.*****1 to 5 years is normal for urushiol oil to stay active on any surface including dead plants *********
7.Derived from urushi, Japanese name for lacquer

SubjectAuthorDate
Poison ivy logs (Approved)Frank11/17/2003 4:36 pm
  Re: Poison ivy logs (Approved)BRIAN11/18/2003 11:35 am