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* Agenda times are approximate and subject to change. For further information, please contact the Designated 

Federal Officer for this meeting, Jim Downing, via telephone: (202) 564-2468 or email: downing.jim@epa.gov

US ENVIRONMENTAL PROTECTION AGENCY

HUMAN STUDIES REVIEW BOARD

APRIL 2011 PUBLIC MEETING AGENDA

Holiday Inn National Airport

2650 Jefferson Davis Highway

Arlington, VA 22202 

Wednesday, April 13, 2011

9:00 AM* Convene Public Meeting and Review Administrative Procedures – Mr. Jim 

Downing (Designated Federal Officer [DFO], EPA Human Studies Review Board, 

Office of the Science Advisor [OSA])

Introduction and Identification of Board Members – Dr. Sean Philpott (HSRB 

Chair)

Welcome - Dr. Warren Lux (Director of the Program in Human Research 

Ethics, OSA, EPA)

Opening Remarks – Steven Bradbury, Ph.D. (Director, Office of Pesticide 

Programs (OPP), Office of Chemical Safety and Pollution Prevention, EPA) 

Office of Pesticide Programs (OPP) Follow-up on Previous HSRB 

Recommendations – Mr. William Jordan (OPP, EPA)

Session 1: Completed AHETF research on exposure of workers applying pesticide sprays 

using open-cab airblast equipment.

9:30 AM EPA Science and Ethics Reviews – Mr. Matthew Crowley (OPP, EPA) and Ms. 

Kelly Sherman (OPP, EPA) 

10:30 AM Board Questions of Clarification – Dr. Sean Philpott (HSRB Chair)

11:00 AM Public Comments 

11:15 AM Break

11:30 AM Board Discussion - Science

Charge to the Board:

Was the research reported in the Agricultural Handler Exposure Task Force (AHETF) 

completed monograph report and associated field study reports faithful to the design and 

objectives of the protocol, SOPs, and governing documents?

Has EPA adequately characterized, from a scientific perspective, the limitations on these 

data that should be considered when using the data in estimating exposure of those who 

apply pesticides with open cab airblast equipment?
* Agenda times are approximate and subject to change. For further information, please contact the Designated 

Federal Officer for this meeting, Jim Downing, via telephone: (202) 564-2468 or email: downing.jim@epa.gov

12:15 PM Board Discussion - Ethics

Charge to the Board:

Does available information support a determination that the studies were conducted in 

substantial compliance with subparts K and L of 40 CFR Part 26?

12:45 PM Lunch

Session 2: A published report (Gulson et al. 2010) of an intentional exposure human 

study measuring dermal absorption of zinc oxides contained in sunscreens.

1:30 PM EPA Science and Ethics Reviews – Dr. Jessica Ryman (OPP, EPA) and Ms. Laura 

Parsons (OPP, EPA) 

2:15 PM Board Questions of Clarification – Dr. Sean Philpott (HSRB Chair)

2:45 PM Public Comments

3:00 PM Board Discussion - Science

Charge to the Board:

Is the Gulson et al. (2010) study scientifically sound, providing reliable data? 

If so, is the Gulson et al. (2010) study relevant for qualitative use in support of an 

assessment of the absorption of zinc oxide through the skin?

3:45 PM Break

4:00 PM Board Discussion - Ethics

Charge to the Board:

Is there adequate information to determine that the Gulson et al. (2010) study was

conducted in substantial compliance with procedures at least as protective as those in 

subparts A - L of EPA’s regulation at 40 CFR Part 26?

Session 3: Reconsideration of two concerns previously raised by the HSRB

in its June 2009 review of an intentional human dosing study with

chlorpyrifos (Kisicki et al., 1999); additional pertinent information was

made available by the sponsor related to these two concerns.

4:30 PM Introduction of Topic - Dr. Sean Philpott (HSRB Chair)

4:45 PM Board Discussion – Science
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* Agenda times are approximate and subject to change. For further information, please contact the Designated 

Federal Officer for this meeting, Jim Downing, via telephone: (202) 564-2468 or email: downing.jim@epa.gov

Issues for Discussion:

Do the recommendations provided by the HSRB at its June 2009 meeting and in its 

subsequent report regarding the reliability of data on the urinary metabolite 

trichloropyridinol in the Kisicki et al. (1999) study change in light of the new information 

provided?

Do the recommendations provided by the HSRB at its June 2009 meeting and in its 

subsequent report regarding the level of absorption of chlorpyrifos in the Kisicki et al. 

(1999) study change in light of the new information provided?

5:30 PM Adjournment
* Agenda times are approximate and subject to change. For further information, please contact the Designated 

Federal Officer for this meeting, Jim Downing, via telephone: (202) 564-2468 or email: downing.jim@epa.gov

US ENVIRONMENTAL PROTECTION AGENCY

HUMAN STUDIES REVIEW BOARD

APRIL 2011 PUBLIC MEETING AGENDA

Holiday Inn National Airport

2650 Jefferson Davis Highway

Arlington, VA 22202 

Thursday, April 14, 2011

10:00 AM* Convene Public Meeting – Mr. Jim Downing (DFO, HSRB, OSA) 

Introduction and Identification of Members – Dr. Sean Philpott (HSRB Chair)

Follow-up from Previous Day – Mr. William Jordan (OPP, EPA)

Session 1: Completed AEATF research on exposure of professional janitorial workers 

when wiping indoor surfaces with an antimicrobial pesticide.

10:15 AM EPA Science and Ethics Reviews – Mr. Timothy Leighton (OPP, EPA) and Ms. 

Kelly Sherman (OPP, EPA) 

11:00 AM Board Questions of Clarification – Dr. Sean Philpott (HSRB Chair), EPA, 

Principal Investigator/Sponsor

11:30 AM Public Comments

11:45 AM Board Discussion - Science

Charge to the Board:

Was the research reported in the Antimicrobial Exposure Assessment Task Force II 

(AEATF) completed wipe study report faithful to the design and objectives of the protocol 

and governing documents of AEATF?

Has EPA adequately characterized, from a scientific perspective, the limitations on these 

data that should be considered when using the data in estimating exposure of those who 

clean indoor surfaces with antimicrobial pesticides using a trigger-bottle and wipes or 

ready-wipes?

12:30 PM Board Discussion - Ethics

Is the research likely to meet the applicable requirements of 40 CFR part 26, subparts K 

and L?

1:00 PM Adjournment