Hello BMDS User: You are receiving this BMDS News announcement because you are a registered user of the EPA benchmark dose software (BMDS). As a member of the...
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Patricia Toccalino
ptocca@...
Apr 5, 2009 5:05 pm
Dear colleague: The Society for Risk Analysis (SRA) Dose-Response Specialty Group is sponsoring a student award for graduate-student research. The research ...
DRSG officers: I've updated the webpage listing the officers: http://www.sra.org/drsg/drsgcomm.htm Please check and be sure I have correctly put in your info. ...
 DRSG members, Please see the draft notes from today's conference call. Please let me know if any corrections, revisions, or additions need to be made....
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Feder, Paul I
feder@...
Apr 28, 2009 2:02 pm
We will be having a business meeting this coming Tuesday, May 5, from 12:00 pm to 1:00 pm edt. The following agenda items will be included: 1....
DRSG members, Please see the attached notes from the April 7, 2009 DSRG Conference Call. Thanks, Julie Fitzpatrick...
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Kenny Crump
KennyCrump@...
Apr 29, 2009 8:25 pm
Perhaps we should look at the issue a little more broadly than suggested by either set of questions. I suggest we not start with assuming that there are...
903
Mike Dourson
dourson@...
May 1, 2009 6:41 pm
Dear Colleagues I agree with Kenny that we should look at these questions more broadly. For example, toxic effects are known by toxicologists to have...
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Kevin Brand
kbrand@...
May 1, 2009 7:30 pm
Mike, Not sure if you mean to assert that `*some* toxic effects are known by toxicologists to have thresholds *under some circumstances*' or whether you are...
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Kevin Brand
kbrand@...
May 4, 2009 2:13 pm
Thanks Jim. That is helpful. The evidence you cite would appear to support a "some toxic effects are believed to have thresholds under some circumstances,"...
Kevin Sorry to be tardy in response to your nice inquiry. The basic tenet of toxicology is that ³All substances are poisons; there is none which is not a ...
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Feder, Paul I
feder@...
May 5, 2009 7:11 pm
The Society of Toxicology Risk Analysis Specialty Section (SOT RASS) will be hold a teleseminar Wednesday, May 13, 2009 from 3:00 - 4:30 entitled "Science and...
Mike, I can hardly control myself not to join this dicussion (as you may imagine), but I have some other priorities right now. I just wanted to pose one...
On "thresholds": from a practical standpoint, there will always be some level of exposure below which the incidence of adverse health effects in any 'exposed'...
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Coleman, Peg
pcoleman@...
May 6, 2009 4:17 pm
Please comment on proposed sessions, topics, speakers. I like the idea of having a DRSG track at this year's meeting, with the microbial sessions to follow...
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Kevin Brand
kbrand@...
May 7, 2009 9:17 pm
Michael, Thanks for your reply. It helps me get a better understanding of your position, and challenges me to better articulate mine. I too have spoken with...
If you would do a repeated dose study with a mixture of say 20 or 30 OP esters, each of them at their own NOAEL, I can garantee you that there will be...
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Michael Dourson
dourson@...
May 8, 2009 12:09 pm
Wout Thanks for your thoughtful comments. I do not have time right now for any in-kind response due to a pending workshop on developing RfDs for acetanilide...
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Kenny Crump
KennyCrump@...
May 8, 2009 2:17 pm
As a minor addendum to Kevin's comments, I would like to point out that even when (or if) if thresholds do exist, setting quantitative bounds for them is ...
I have been reading through this thread and have decided to jump in. I have been teaching a tox class for the last two years and have taken the approach that...
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Patricia Toccalino
ptocca@...
May 8, 2009 4:03 pm
... From: Patricia Toccalino/WRD/USGS/DOI To: DRSG@yahoogroups.com Date: 04/05/2009 10:05 AM Subject: Graduate Student Award Announcement Dear colleague: The...
I just can't resist jumping in on this discussion. Theoretical work by Lutz et al. and the work that I did with several colleagues on formaldehyde while at...
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januszb@...
May 10, 2009 6:25 am
... P.P.S. The argument that thresholds exist "because Paracelsus said so" sounds to me like the argument "because God said so", but you are forgiven. By the...
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Feder, Paul I
feder@...
May 10, 2009 1:52 pm
Attached is a reminder about the teleseminar this Wednesday. Also attached is the slide presentation, thanks to Annie Jarabek of SOT/RASS. Please remember to...
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Lipscomb.John@...
May 11, 2009 12:23 pm
The DRSG is a great group. I’ve read all the posts to this discussion in order, now and have had three cups of coffee (one would not be enough; five would...
Dear All: I have been tracking this discussion or the last few weeks and I think that we are in danger of talking past one another. On the one hand there are...
