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RE: [beemonitoring] Propylene Glycol - Formaldahyde

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  • barbara.abraham@hamptonu.edu
    My spider pitfall traps in Utah years ago had Kahle s fluid, which contains formalin and glacial acetic acid. I never saw a vertebrate in my trap (or any dead
    Message 1 of 5 , Mar 3, 2009
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      My spider pitfall traps in Utah years ago had Kahle’s fluid, which contains formalin and glacial acetic acid.  I never saw a vertebrate in my trap (or any dead ones nearby).

       

      Barb

       

      Barbara J. Abraham, Ph.D.

      Associate Professor

      SEEDS Ecology Chapter Advisor

      Department of Biological Sciences

      Hampton University

      Hampton, VA  23668

      757-727-5283

      barbara.abraham@...

       


      From: beemonitoring@yahoogroups.com [mailto:beemonitoring@yahoogroups.com] On Behalf Of Sam Droege
      Sent: Tuesday, March 03, 2009 1:52 PM
      To: beemonitoring@yahoogroups.com
      Subject: [beemonitoring] Propylene Glycol - Formaldahyde

       


      Karen:

      Thanks for the notes about propylene glycol availability.  Interesting to see that formaldehyde will be added to ethylene glycol.  From correspondents and literature from Europe it appears to be common practice to add 1% to 5% formaldehyde to soapy water in moericke bowl traps.  The formalin keeps the vertebrates away, keeps algae down, and preserves the catch.  The only problem is that people are very leery about using it and so we are shying away from recommending it in traps, but I could be convinced otherwise.  Does anyone on the list have experience with using formalin in traps?

      Thanks

      sam


      Sam Droege   sdroege@usgs. gov                      
      w 301-497-5840 h 301-390-7759 fax 301-497-5624
      USGS Patuxent Wildlife Research Center
      BARC-EAST, BLDG 308, RM 124 10300 Balt. Ave., Beltsville , MD   20705
      Http://www.pwrc. usgs.gov

      "We have lingered in the chambers of the sea
      With sea girls wreathed with seaweed red and brown
      Til human voices wake us, and we drown."
           - T. S. Eliot.      




      P Bees are not optional.

      From:

      Karen Wetherill <karen@sevilleta. unm.edu>

      To:

      Sam Droege < sdroege@usgs. gov >

      Cc:

      beemonitoring@ yahoogroups. com

      Date:

      03/03/2009 12:25 PM

      Subject:

      Re: [beemonitoring] Where to get Propylene Glycol

      Sent by:

      beemonitoring@ yahoogroups. com

       




       

      Sam, I get my propylene glycol from Checkers (soon to be out of business
      here) There are two brands Sierra and Prestone. I am worried that the new
      regulations to put formaldahyde in the regular antifreeze will make
      finding this product harder to get. Have you asked the automotive supply
      store near you about special ordering it? If they get Prestone products,
      they should be able to order it. Good luck, Karen

      On Sat, 28 Feb 2009, Sam Droege wrote:

      >
      >
      > All:
      >
      > I have been having problems finding sources of Propylene Glycol for use
      > in traps. As you may recall the traditional Ethylene Glycol used in
      > radiator fluid is toxic to mammals. Propylene Glycol, on the other hand,
      > is used in processed foods and is considered "safe."
      >
      > Problem is that none of the automotive stores in the area carry it and
      > WalMart while carrying RV coolant, carries it as a dilute formula and in
      > red rather than clear.
      >
      > Yesterday, while fooling around repairing an ancient dump truck with a
      > friend, he mentioned that you can get it from heating and cooling
      > suppliers as it is required when a coolant is used in hot water panels.
      >
      > Such suppliers are easy to find in the yellow pages and while they may
      > not have PG in stock, it is its easy for them to order and should come in
      > a day or two.
      >
      > I hear it goes for about $60.00 U.S. for 5 gallons.
      >
      > Here is one manufacturer.
      >
      > http://www.comstarp roducts.com/
      >
      > RV sales shops may also be able to order you propylene glycol, but am
      > less familiar with them.
      >
      > Importantly, you can order it clear, rather than the normal red or blue.
      >
      > sam
      >
      >
      > A mosquito was heard to complainThat a chemist had poisoned his brainThe cause of his sorrowWas paradichloroDipheny ltrichloroethane . -- Dr. D. D. Perrin
      >
      >
      >
      >

       

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