Gordon,

How about changing the paradigm and using a ACTIVE decontamination 
solution such as Diphoterine=AE for most chemicals and Hexafluorine=AE 
for HF and related substances?  Maybe, today, water isn't the right 
answer anymore because other things are now available.

Check the website at www.prevor.com.  I am a 
paid consultant to the manufacturer, so take that into account in your 
deliberations.  But don't discount the opinion, either

Alan H. Hall, M.D.
President and Chief Medical Toxicologist
TCMTS, Inc.
ahalltoxic**At_Symbol_Here**msn.com
  ----- Original Message ----- 
  From: Gordon Miller 
  To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU 
  Sent: Thursday, November 10, 2005 9:01 AM
  Subject: [DCHAS-L] More Safety Eyewash and Shower Question

  How are people dealing with the tepid water requirement of ANSI 
Z358.1?

  Looking on the Web, it looks like its not really being honored.

  The temperature range for 'tepid" is defined in Section B6 of 
  Appendix B as being from 60 to 100 degrees F.

  So some more questions:
  *  How do people who have tepid water units verify temperatures? By 
  feel? By measurement? If measurements are used, please describe the 
  procedure used.

  *  Let's say the shower is indoors. Does someone have an idea of how 
  long the tepid water lasts before the temperature drops to water main 
  or ground temperature?

  *  Let's say the shower is outdoors. Are there ways of avoiding water 
  temperature extremes without a tepid water unit? Pipe insulation? 
  More deeply buried supply lines?

  *  Finally, tepid water units are mechanical devices with potential 
  reliability issues of their own. Are they reliable? What sort of 
  inspection and maintenance procedures do people have for them?

  "Inquiring minds want to know."

  Gordon Miller
  Lawrence Livermore National Laboratory
  P.O. Box 808  (L-379)
  Livermore, California 94550
  (925) 423-8036
  Fax (925) 422-5176
  miller22**At_Symbol_Here**llnl.gov

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