UNITED STATES ENVIRONMENTAL PROTECTION AGENCY NATIONAL CENTER FOR ENVIRONMENTAL ASSESSMENT WASHINGTON, DC 20460


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# 1 6 2014

MEMORANDUM OFFICE O F RESEARCH AND DEVE LOPMENT



### SUBJECT: Posting**PA-HQ-0~2~4-03** 13 o Regulations.gov f (lr Public A c cess 

### FROM: Joe DeSantis

# ~ ORD/NC E A/IRIS**D~** sion 

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# O Dire ctor , IR IS Divi s ion

### ..u Otlic e of Res e arch and Development Nationa l C e n te r fiJr E n v ironm e ntal A ss essm e nt
This m e morandum author iz es the posting of E PA

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- 2 01 4 -0313, IRIS A ssessm e nt Mat e rials for llexavalent C hrom iu m, to Re gulations.go v f(lr public access . In ac c ordance with recently announced enhanc e ments of the IRIS program, E PA will hold a seri e s of public meeting s during calendar years 2 013 and 201 4 ( 78 F R 4 8674 , August 9 , 2013) to obtain public input on the draft IRIS assessments. The purpose of the public meeting s is to allow all intere s ted parti e s to present sc ientitic an d techni c a l comments on preliminary materials t()r chemical a s se s sments, and on draft IRIS health a s sessment s . to E PA and other interested parties attending the meeting
. E PA has releas e d preliminary materials related to Hexavalent C hromium whi c h a re availa b le on the IR IS website at htt 1:.' / v.,·,..,,,_c Ja.uov/ iri: 1 1uh licmt:ctinu /
. T he s e materials are availab le to the public to review and submit comments and materials that will be discussed at one of the IRIS bimonthly public meetings
. Detailed information on these meeting s will be posted on the IRIS w e bsite approximately 60 days before each meeting
. T his docket will be open from April 17,2014 to April 17,2015
. Submit your comments, identified by Docket ID No
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- OR D-2 014

- 0313 by one of the following methods: • "''' ,..,**.t\~ l'.** **ulation:.!.!.ov :**  Follow the on - line instructions for submitting comments
.
• Email: Docket ORD a .cpu.gt)\.

• 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 E PA lleadquarters 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 f()r deliveries of boxed int()rmation. 

### E

J> A's policy is that all comments received will be included in the public docket without change and may be made available online at**h_ttp :i** **~. re** **wl ti** **!! oy** **,** including any personal information provided, unless the comment includes information claimed to be Confidential Business Information (CBI) or other inf()rmation whose disclosure is restricted by statute
. Do not submit inf(mnation that you consider to be CBI 

### or otherwise protected through**ttp://w\y_~~~!!ulatiJm!:> !!** **V** or e-mail. The 

## 1lt.lr16:HH\**:.!~egul tion~~**  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 E PA without going through**h_gp: //** **\\W\~ .re!2** **uht! 2!l~~~** **.** 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 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 f()r 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 int()rmation about EPA's public docket, visit the E PA Docket Center homepage at http: // v. '"" \\ ,ep a .1.! o v/ c p ahom c/d o ckcts
.htm. Should you have any questions regarding this memorandum, please contact Eric Shultz at 202-566- I 883, or via email at sc hultz
.eric**CP<L .**