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MCLs for Radium in Drinking Water
- To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
- Subject: MCLs for Radium in Drinking Water
- From: "Mark B. Mattheiss" <DENmbm@AM.DAMES.COM>
- Date: Mon, 10 Jun 1996 14:09:29 -0700 (PDT)
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- Cc: Rock Neveau <denrpn@MR.DAMES.COM>
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The MCL for Radium in drinking water is 5 pCi/L for Ra-226 "plus" Ra-228.
Why do they have to combine (or "plus") the two isotopes?