[pct-l] CDC recommendations for water treatment

[giniajim]

Need my mailing address for the prize! :)
  ----- Original Message ----- 
  From: Bill Burge 
  Cc: PCT MailingList 
  Sent: Thursday, October 21, 2010 11:26 PM
  Subject: Re: [pct-l] CDC recommendations for water treatment



  BINGO!  We have a winner!  ;-)

  BillB


  On Oct 21, 2010, at 8:00 PM, giniajim wrote:

  > What was added to the quote was the phrase: ".... i.e. Steri Pen type products." 
  > 
  > That phrase about the Steri Pen apparently wasn't in the original quote.
  > 
  > (English non-Major but wannabe jumping in here)...
  > 
  >  ----- Original Message ----- 
  >  From: Quinten Nelson 
  >  To: Bill Burge 
  >  Cc: PCT MailingList 
  >  Sent: Thursday, October 21, 2010 10:57 PM
  >  Subject: Re: [pct-l] CDC recommendations for water treatment
  > 
  > 
  >  so.....
  > 
  >   "is not effective  against Cryptosporidium at normally-used levels."
  > 
  >  is NOT the same as what is in the original page: 
  > 
  >  "is not effective against Cryptosporidium at normally-used levels."
  > 
  > 
  > 
  >  interesting....
  > 
  > 
  > 
  > 
  > 
  >  ________________________________
  >  From: Bill Burge <bill at burge.com>
  >  Cc: PCT MailingList <pct-l at backcountry.net>
  >  Sent: Thu, October 21, 2010 9:03:57 PM
  >  Subject: Re: [pct-l] CDC recommendations for water treatment
  > 
  >  You need to avoid altering content that you indicate as "transcribing".
  > 
  >  The line from your post:
  > 
  >  "5)   Ultraviolet light treatment of water is not effective   against 
  >  Cryptosporidium at normally-used levels. i.e. Steri Pen type products."
  > 
  >  is NOT the same as what is in the original page:
  > 
  >  "Ultraviolet light treatment of water is not effective against Cryptosporidium 
  >  at normally-used levels."
  > 
  > 
  >  That is not transcribing.  It is "interpretation".
  > 
  >  Steripen's site points to a number of independent tests that DO indicate 
  >  effectiveness against cyryptosporidium.
  >  http://www.steripen.com/micro-biological-testing
  > 
  > 
  >  BillB
  > 
  > 
  >  On Oct 21, 2010, at 6:34 PM, jcil000-pctchat at yahoo.com wrote:
  > 
  >> The following recommendations by the Centers for Disease Control (CDC) are 
  >> useful in 
  >> 
  >> the avoidance of infection by Cryptosporidium. 
  >> 
  >> To avoid Crypto infection, they advise the following:
  >> 
  >> 1)  That the use of water filters which  an “absolute one micron” filter, or a 
  > 
  >> filter   certified to remove Cryptosporidium under NSF International Standard  
  > 
  >> #53 or #58 for either “cyst removal” or “cyst reduction” be used. (see A Guide 
  > 
  >> to Water Filters for more   information.
  >> 
  >> 2) That Cryptosporidium is poorly inactivated by chlorine or iodine  
  >> disinfection.***
  >> ***The product sold by REI called "Potable Aqua / Chlorine Dioxide Water 
  >> Purification Tablets" claims effectiveness in four hours.
  >> The down side to this product is that it "causes irreversible eye damage" if 
  >> the 
  >> 
  >> user gets residue into his/her eyes.
  >> 
  >> 3) That boiling at a rolling boil for 1 minute (at altitudes greater than 6,562 
  >> 
  >> feet   (>2,000 m), boil water for 3 minutes) 
  >> 
  >> is recommended.
  >> 
  >> 4)  Cryptosporidium is not killed by alcohol gels and hand sanitizers.
  >> 
  >> 5)   Ultraviolet light treatment of water is not effective   against 
  >> Cryptosporidium at normally-used levels. i.e. Steri Pen type products.
  >> 
  >> CDC web links below:
  >> 
  >> http://www.cdc.gov/crypto/gen_info/filters.html
  >> 
  >> http://www.cdc.gov/crypto/health_professionals/bwa/dialysis.html
  >> 
  >> If I made a mistake in transcribing this information for my hiking friends, 
  >> please post corrections but I think I've summed up their information.
  >> 
  >> Also, in closing, the weblink shows wording by manufacturers which might be 
  >> misleading while reading a product label. Be sure to read that
  >> CDC warning.
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