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Re: Verification of NAS Statement

To: <radsafe@romulus.ehs.uiuc.edu>
Subject: Re: Verification of NAS Statement
From: "ruth_weiner" <ruth_weiner@email.msn.com>
Date: Sat, 15 Jul 2000 09:16:06 -0600
Everybody seems to think that linear extrapolation back to zero is the best
determinant of health effects, and that any dose-response relationship can
be extrapolated this way!

Ruth Weiner
ruth_weiner@msn.com
-----Original Message-----
From: Falo, Gerald A Dr USACHPPM <Gerald.Falo@APG.AMEDD.ARMY.MIL>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Wednesday, July 12, 2000 1:51 PM
Subject: RE: Verification of NAS Statement


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>Michael, the quote below is from, "Risk Assessment of Radon in Drinking
>Water," Committee on Risk Assessment of Exposure to Radon in Drinking
Water,
>Board on Radiation Effects Research, Commission on Life Sciences, National
>Research Council, NATIONAL ACADEMY PRESS, Washington, D.C. 1999.
>
> <http://books.nap.edu/html/radon/> http://books.nap.edu/html/radon/
>
>"Figure 1 (see Public Summary) puts the inhalation and ingestion risks into
>perspective by direct comparison of annual cancer deaths. The number of
>lung-cancer deaths in the United States is estimated to be 160,100 in 1998
>(ACS 1998). Using the average of the two BEIR-VI risk models and adjusting
>for the 1998 increase in the number of lung-cancer deaths, the committee
>estimates there will be about 19,000 lung-cancer deaths in 1998
attributable
>to radon and the combination of radon and smoking. The committee estimated
>there might be about 20 stomach-cancer deaths in 1998 (with a subjectively
>determined uncertainty range from 1 to 50 deaths) attributable to the
>ingestion of radon in drinking water as compared to 13,700 stomach-cancer
>deaths that are estimated to develop in the United States in 1998 from all
>causes (ACS 1998). Based on an estimated national mean value of radon in
>drinking water, the committee estimates 160 lung cancer deaths in 1998
(with
>a subjectively determined range from 25 to 280 deaths) attributable to
>indoor radon (in air) resulting from the release of radon from household
>water. The committee's analysis indicates that most of the cancer risk
posed
>by radon in drinking water arises from the transfer of radon into indoor
air
>and the subsequent inhalation of the radon decay products, and not from the
>ingestion of the water." [Bold in the original.]
>
>
>The above comments and opinions are mine and mine alone. They do not
>intentionally represent the views of any other being, living, dead, or
>yet-to-be.
>
>Jerry Falo, Ph.D., CHP
>HMJF Professional Associate
>Health Physics Program
>USACHPPM
>410-436-3548
>gerald.falo@apg.amedd.army.mil
>
>
>-----Original Message-----
>
>Would someone please point me in the proper direction to help me verify the
>correctness of the following statement?:
>
>"The 1999 report from the National Academy of Sciences (NAS) confirmed that
>radon in drinking water causes cancer, primarily lung cancer from inhaling
>radon transferred into indoor air."
>
>I actually thought the NAS report showed that risk was negligible.
>
>Thanks in advance,
>v/r
>Michael
>TRAB
>mford@pantex.com
>
>
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>The RADSAFE Frequently Asked Questions list, archives and subscription
>information can be accessed at  <http://www.ehs.uiuc.edu/~rad/radsafe.html>
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>
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><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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><P><FONT color=3D#0000ff face=3DArial size=3D2>Michael, the quote below =
>is from, "Risk=20
>Assessment of Radon in Drinking Water," Committee on Risk Assessment of =
>Exposure=20
>to Radon in Drinking Water, Board on Radiation Effects Research, =
>Commission on=20
>Life Sciences, National Research Council, NATIONAL ACADEMY PRESS, =
>Washington,=20
>D.C. 1999.</FONT></P>
><P><A href=3D"http://books.nap.edu/html/radon/"; target=3D_blank><FONT=20
>size=3D2>http://books.nap.edu/html/radon/</FONT></A><BR><BR><FONT =
>size=3D2>"Figure 1=20
>(see Public Summary) puts the inhalation and ingestion risks into =
>perspective by=20
>direct comparison of annual cancer deaths. The number of lung-cancer =
>deaths in=20
>the United States is estimated to be 160,100 in 1998 (ACS 1998). Using =
>the=20
>average of the two BEIR-VI risk models and adjusting for the 1998 =
>increase in=20
>the number of lung-cancer deaths, the committee estimates there will be =
>about=20
>19,000 lung-cancer deaths in 1998 attributable to radon and the =
>combination of=20
>radon and smoking. The committee estimated there might be about 20=20
>stomach-cancer deaths in 1998 (with a subjectively determined =
>uncertainty range=20
>from 1 to 50 deaths) attributable to the ingestion of radon in drinking =
>water as=20
>compared to 13,700 stomach-cancer deaths that are estimated to develop =
>in the=20
>United States in 1998 from all causes (ACS 1998). Based on an estimated =
>national=20
>mean value of radon in drinking water, the committee estimates 160 lung =
>cancer=20
>deaths in 1998 (with a subjectively determined range from 25 to 280 =
>deaths)=20
>attributable to indoor radon (in air) resulting from the release of =
>radon from=20
>household water. <STRONG>The committee's analysis indicates that most =
>of the=20
>cancer risk posed by radon in drinking water arises from the transfer =
>of radon=20
>into indoor air and the subsequent inhalation of the radon decay =
>products, and=20
>not from the ingestion of the water</STRONG>." [Bold in the=20
>original.]<BR></FONT></P><FONT size=3D2>
><P><B><FONT face=3D"Comic Sans MS" size=3D2>The above comments and =
>opinions are mine=20
>and mine alone. They do not intentionally represent the views of any =
>other=20
>being, living, dead, or yet-to-be.</FONT></B></P>
><P><B><FONT color=3D#0000ff face=3D"Comic Sans MS" size=3D2>Jerry Falo, =
>Ph.D.,=20
>CHP</FONT></B> <BR><FONT face=3DGaramond size=3D2>HMJF Professional =
>Associate</FONT>=20
><BR><FONT face=3DGaramond size=3D2>Health Physics Program</FONT> =
><BR><FONT=20
>face=3DGaramond size=3D2>USACHPPM</FONT> <BR><FONT face=3DGaramond=20
>size=3D2>410-436-3548</FONT> <BR><FONT face=3DGaramond=20
>size=3D2>gerald.falo@apg.amedd.army.mil</FONT> </P></FONT>
><P><FONT size=3D2><BR>-----Original Message-----<BR></FONT><FONT =
>size=3D2><BR>Would=20
>someone please point me in the proper direction to help me verify the=20
>correctness of the following statement?:<BR><BR>"The 1999 report from =
>the=20
>National Academy of Sciences (NAS) confirmed that radon in drinking =
>water causes=20
>cancer, primarily lung cancer from inhaling radon transferred into =
>indoor=20
>air."<BR><BR>I actually thought the NAS report showed that risk was=20
>negligible.<BR><BR>Thanks in=20
>advance,<BR>v/r<BR>Michael<BR>TRAB<BR>mford@pantex.com<BR><BR><BR>******=
>******************************************************************<BR>Th=
>e=20
>RADSAFE Frequently Asked Questions list, archives and=20
>subscription<BR>information can be accessed at </FONT><A=20
>href=3D"http://www.ehs.uiuc.edu/~rad/radsafe.html"; =
>target=3D_blank><FONT=20
>size=3D2>http://www.ehs.uiuc.edu/~rad/radsafe.html</FONT></A><BR></P></B=
>ODY></HTML>
>
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