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Anyone have any input on this? Bob Favorite RVT UC Davis VMD 490 Instructor UCDavis SCUBA safety diver >>Date: Wed, 19 Jun 1996 12:42:34 -0700 (PDT) >>Message-Id: <199606191942.MAA11050@wh*.wh*.co*> >>Mime-Version: 1.0 >>To: occ-env-med-l@li*.mc*.du*.ed* >>From: monroe@wh*.co* (Monroe Toxicology) >>Subject: OEM: Sodium hydroxide exposures >>Sender: owner-occ-env-med-l@li*.mc*.du*.ed* >>Precedence: bulk >>Content-Type: text/plain; charset="us-ascii" >>Content-Length: 750 >> >>A question has been posed concerning the potential health effects on scuba >>divers entering a vessel containing a dilute sodium hydroxide solution in >>seawater. The concentration of the NaOH in the seawater is between 0.2% >>and 0.3% and the pH is 10.6 (strongly buffered by the seawater). Dermal >>exposures could be for as long as 1 to 2 hours. There is also a high >>potential for eye contact and ingestion. >> >>Eye contact is my primary concern. Is anyone familiar with studies on the >>irritant/corrosive effects of dilute sodium hydroxide solutions on the eye? >> Any thoughts as to the importance of the solution being buffered at pH >>10.6 by the components of seawater? >> >> >>David H. Monroe, M.S.P.H., Ph.D. >>Toxicologist >> >>(360)321-0595 >>monroe@wh*.co*
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