RE: [Philmont]: Micropur Question

Regarding cryptosporidium cysts, the following was posted two years ago:
  --------- Forwarded message ----------
  From: "Jason A. Cotting" <p2ranger@anvilgear.com>

  To: Multiple recipients of list philmont <philmont@troop47.com>

  Date: Fri, 25 Jul 2003 11:36:50 -0500

  Subject: RE: [Philmont] - Trek 15 report-Water/Heresy

  Message-ID: <NGBBJPBPALGAIFINBGOIOEGMCGAA.p2ranger@anvilgear.com>

  Iodine does kill Giardia.

  However, Iodine and chlorine do NOT kill Crypto. The good news is that

  as of 2001 there had only been one case of reported Crypto ever in New

  Mexico.

  Jason

><>

  Retired Ranger
However, another cyst, giardia, is fairly common everywhere. The 4 hours
contact time is for very cold or very dirty water; warmer water *should*
require proportionately less time, although the Katadyn site is
uninformative on this point. As mentioned earlier, pre-filtering will remove
any giardia, crypto, and other cysts and you can safely drink after 15
minutes of contact time (this is the "belt-and-suspenders" approach).

>Ched Hudson
ASM, Troop 994
Fairfax Station VA
Philmont 67, 04

 -----Original Message-----
From: owner-philmont@troop47.com [mailto:owner-philmont@troop47.com]On
Behalf Of Sue Bani
Sent: Thursday, April 14, 2005 7:50 PM
To: Multiple recipients of list philmont
Subject: [Philmont]: Micropur Question

 One of the other advisors for our crew found this information regarding the
water purification that Philmont has said we would need to use. He was in
Philmont in 03 (along with my husband and a few others) and took one look at
the 4 hour wait time and almost died! Any thoughts?
  Sue Bani - 7/26 - 8/7 trek 8 troop 230, Limreick, PA

   Micropur MP1, which is regesterd with the EPA, is an easy-to-use water
purification tablet that is effective against harmful bacteria, viruses and
cysts. It is the only tablet currently registered with the EPA that
effectively controls cryptosporidium, a waterborne cyst. MP1 has been
extensively tested using EPA testing protocols. The test data is summarized
below:
  Microorganisms Killed Contact Time
     EPA Water #1 (clear, 20° C) - EPA Water #2 (dirty, 4° C)
  Bacteria 15 minutes - 15 minutes
  Virus 15 minutes - 15 minutes
  Cysts 30 minutes - 4 hours

  Note: Product instructions have a 4 hour contact time. Fulfilling the role
of protecting consumers, the EPA requires that packaging claims for Micropur
MP1 communicate how the product performs in the most challanging water
conditions (water that is very cold and dirty). While MP1 is effective
against bacteria and viruses in 15 minutes, it requires 4 hours for
cryptosporidium in cold, dirty water. Therefore, labeling requirements
include a 4 hour wait time for maximum consumer protection (see chart
above).

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Received on Fri Apr 15 07:21:13 2005