UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

NATIONAL CENTER FOR ENVIRONMENTAL ASSESSMENT 

WASHINGTON, DC 20460 

OFFICE OF 

RESEARCH AND DEVELOPMENT 

MEMORANDUM 

SllBJECT: Posting EPA-HQ-ORD-20 13-0783 to Regulations.gov f()r Public Access. 

IRIS Assessmenxterials for exabromocyclododecane (HBCD) 

FROM: .Joe DeSantis ~ 

Thru: 

ORD/NCEA/IR Division 

u .2 ~~~ Vince Cogliano ..;)_ t-+-"f ~# 0 

Director, IRIS Division 

Office of Research and Development 

National Center t()r Environmental Assessment 

This memorandum authorizes the posting of EPA-HQ-ORD-2013-0783, IRIS 

Assessment materials for Hexabromocyclododecane (1-IBCD), to Regulations.gov for 

public access. 

In accordance with recently announced enhancements of the IRIS program, EPA will 

hold a series of public meetings during calendar years 2013 and 2014 (78 FR 48674, 

August 9, 2013) to obtain public input on preliminary materials and dran IRIS 

assessments. The purpose of the public meetings is to allow all interested parties to 

present scienti tic and technical comments to EPA and other interested parties attending 

the meeting. EPA has scheduled a public meeting on April 23-24, 2014 to discuss 

preliminary materials related to Diethyl phthalate (DEP) and I Iexabromocyclododecane 

(HBCD). Detailed inft)rmation on this meeting will be posted on the IRIS website at 

htt 1://"" "' .c Xt.!.!.O \',iri:/ 1ubl i ·mcdinl.!..' approximately 2 months before the meeting. 

This docket will be open tor the public to submit materials and issue presentations that 

will be discussed at the April 23-24, 2014 public meeting from February 26, 2014 to 

October 3 1. 20 14 

Submit your comments, identified by Docket 1D No. EPA-HQ-ORD-2013-0783 by one 

of the following methods: 

• \\ ' ' '' .rcl.!.ulations.l.!.m·: Follow the on-line instructions tor submitting 

comments. 

• Email: Docket OIUht cpa.I.!.O\ . 
• Fax: 202-566-9744 

• Mail : Office of Environmental Information (OEI) Docket, U.S. 

Environmental Protection Agency, Mail code 28221 T, 1200 Pennsylvania 

Ave, NW, Washington, DC 20460. 

• Hand Delivery: The OEI Docket is located in the EPA Headquarters 

Docket Center, EPA West Building. Room 3334, 1301 Constitution Ave, 

NW., Washington DC. The EPA Docket Center's Public Reading Room 

is open from 8:30a.m. to 4:30p.m., Monday through Friday, excluding 

legal holidays. The telephone number for the Public Reading Room is 

202-566-1744. Deliveries are only accepted during the Docket's normal 

hours of operation, and special arrangements should be made for 

deliveries of boxed information. 

EPA's policy is that all comments received will be included in the public docket without 

change and may be made available online at http://www.rcgulations.l!.OV, including any 

personal information provided, unless the comment includes information claimed to be 

Confidential Business Information (CBI) or other information whose disclosure is 

restricted by statute. Do not submit intonnation that you consider to be CBI or otherwise 

protected through llliJ2:1/w\V\\·.regt!lations.go\ or e-mail. The http://v,.-w\v.regulations.gov 

Web site is an "anonymous access" system, which means EPA will not know your 

identity or contact infi.)rmation unless you provide it in the body of your comment. If you 

send an e-mail comment directly to EPA without going through 

l:!!!n..J'\vWw.re!.w lations.uov. your e-mail address will be automatically captured and 

included as part of the comment that is placed in the public docket and made available on 

the Internet. lfyou submit an electronic comment, EPA recommends that you include 

your name and other contact information in the body of your comment and with any disk 

or CD- ROM you submit. If EPA cannot read your comment due to technical difficulties 

and cannot contact you for clarification, EPA may not be able to consider your comment. 

Electronic tiles should avoid the use of special characters, avoid any form of encryption, 

and be free of any defects or viruses. For additional information about EPA's public 

docket, visit the EPA Docket Center homepage at 

http:.'/ww\\ .epa.gov/epahome/dockets.htm. 

Should you have any questions regarding this memorandum, please contact Eric Shultz at 

(202) 566-1883, or via email at schultz.cric ra.'cpa.um·.