UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

NATIONAL CENTER FOR ENVIRONMENTAL ASSESSMENT 

WASHINGTON, DC 20460 

APR 1 5 2014 

MEMORANDUM 

SUBJECT: 

FROM: 

Thru: 

Posting EPA-HQ-0 

Joe DeSantis 

ORD/NCEA/IRIS 

Vince Cogliano , ~(_ _;( . · Director, IRIS Division IV ..) ~ ....._.,._____, 

Ollice of Research and Devel ~ 1cnt 

National Center for Environmental Assessment 

OFFICE OF 

RESEARCH AND DEVELOPMENT 

This memorandum authorizes the posting of EPA-I IQ-OR0-20 12-0830, IRIS 

Assessment materials f(lr Inorganic Arsenic (Cancer and Non-Cancer Effects}, 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 the dran IRIS assessments. The purpose of the 

public meetings is to allow all interested parties to present scientific and technical 

comments on preliminary materials t()r chemical assessments. and on draft IRIS health 

assessments, to EPA and other interested parties attending the meeting. EPA ha~ released 

preliminary materials related h> inorganic arsenic (cancer and non-cancer effects) which 

are available on the IRIS website at HJd \.. '- ~J2~l:,gg ~!_iris}J?Y..bli!:!1J_!: !ln_g . These 

materials are available to the public to rev iew and submit comments and materials that 

will he discussed at one ofthc IRIS bimonthly public meetings. Detailed inf(mnation on 

these meetings will he posted on the IRIS \vehsite approximately 60 days bef(>rc each 

meeting. This docket will be open fi·om April 21, 2014 to January 30, 20 I 5. 

Submit your comments. identified by Docket ID No. EPA-HQ-ORD-201 2-0830 by one 

of the following methods: 

• ''" '' .rcg_ulation~ !.!O\ : Follow the on-line instructions t<.)r submitting 

comments. 

• Email : Do ·k~t OR)) a ~o. Jl <L~O\' . 

• Fax: 202-566-9744 

Internet Address (URL) • http://www.epa.gov 

Recycled/Recyclable. Printed with Vegetable 011 Based Inks on 100% Postconsumer, Process Chlorine Free Recycled Paper 
• Mail : Office of Environmental Information (OEI) Docket, U.S. 

Environmental Protection Agency, Mail code 28221T, 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 :/ '>vw. egul tion s.gov, including any 

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

Confidential Business Information (CBI) or other int(mnation whose disclosure is 

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

protected through tt p://w .r w. :e gulatio~1S.go" or e-mail. The http://\v\·\\·v.regulation '. \.!.0':._ 

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

identity or contact information unless you provide it in the body of your comment. If you 

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

http:./\Hv\·\ .re!lul ations,gov, 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. If you submit an electronic comment, EPA recommends that you include 

your name and other contact inf(xmation 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 f(x 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 inf()rmation about EPA's public 

docket, visit the EPA Docket Center homepage at 

http:/ /ww\V .epa. !lov/epahonlc/dnckets. htm. 

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

202-566-1883, or via email at schultz.cric a .cpa.go\ .