Document ID: EPA-HQ-OAR-2008-0253-0076
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2008-07-01T04:00Z

Kathy Kaufman/RTP/USEPA/US 

05/05/2008 11:45 AM

	

To

Zachary Pekar/RTP/USEPA/US@EPA

cc

Ron Evans/RTP/USEPA/US@EPA, Tricia Crabtree/RTP/USEPA/US@EPA, Karen
Martin/RTP/USEPA/US@EPA

Subject

Fw: Updated lead benefits chapter

fyi.

Kathy Kaufman

EPA/OAQPS Mail Code C539-03

Research Triangle Park, NC 27711

Phone 919 541 0102

Fax  919 541 5489

----- Forwarded by Kathy Kaufman/RTP/USEPA/US on 05/05/2008 11:43 AM
-----

"King, Heidi R." <Heidi_R._King@omb.eop.gov> 

05/05/2008 11:35 AM

	

To

Neal Fann/RTP/USEPA/US@EPA

cc

Lydia Wegman/RTP/USEPA/US@EPA, Ron Evans/RTP/USEPA/US@EPA, Kathy
Kaufman/RTP/USEPA/US@EPA, Onyemaechi Nweke/DC/USEPA/US@EPA

Subject

RE: Updated lead benefits chapter

Hi Neal and Ron,

 

-  I marked up just the first page of Chap 5 to give a sense of the
caveats commenters sought on this initial RIA, as well as the direction
for the final.  Don’t hesitate to call if you want to talk through the
comments.

 

-  Also, one commenter asked for deletion of Neonatal Mortality.  I
believe this might be both uncertain and also at much higher lead levels
than are typically seen under current conditions.  Let me know if we
should discuss.

 

-  Lastly, Hilts estimates a 1:6 ratio.  The 1:7 was, I believe,
calculated by EPA using a pre- point that was a spike in the time-series
decline.  If the RIA includes the 1:7, should we reference that this is
an EPA calculation, and not from Hilts?  There are several places in the
chapter where the 1:7 is attributed to Hilts.

 

With new reading glasses on,

 

heidi

 

From: Fann.Neal@epamail.epa.gov [mailto:Fann.Neal@epamail.epa.gov] 

Sent: Thursday, May 01, 2008 7:25 PM

To: King, Heidi R.

Cc: Wegman.Lydia@epamail.epa.gov; Evans.Ron@epamail.epa.gov;
Kaufman.Kathy@epamail.epa.gov; Nweke.Onyemaechi@epamail.epa.gov

Subject: Updated lead benefits chapter

 

Heidi,

 

I'm passing back a new version of the lead benefits chapter. Ron
indicated that I should send this along to you directly as a means of
expediting the review process.

 

Compared to the last version we sent you, the three primary changes are:

--conforming edits to the RIA to reflect discussion of both air:blood
uncertainty and the summary table of IQ functions found in the NPRM.

--in response to a request from OPEI, additional elaboration evaluating
the adult endpoint literature. Specifically, I added language from the
criteria document summarizing the limitations of the more recently
published lead-cardiovascular mortality studies.

--added discussion of the effect of reductions in background blood-lead
levels on our estimates of total benefits. Added footnotes to relevant
results tables.

I apologize in advance if I've overlooked any of your comments. I'm
hopeful that with these changes we can soon finalize this chapter. 

 

Thanks,

Neal

_________________________________

Neal Fann

USEPA

Office of Air Quality Planning & Standards

Air Benefit and Cost Group

C439-02

RTP, NC 27711

voice: (919) 541-0209