Integrated Risk Information System (IRIS); Request for Chemical Substance Nominations for 2007 Program, 77017-77019 [E6-21970]

Download as PDF 77017 Federal Register / Vol. 71, No. 246 / Friday, December 22, 2006 / Notices consider to be CBI or otherwise protected through www.regulations.gov or e-mail. The www.regulations.gov 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 www.regulations.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 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 files should avoid the use of special characters, 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:// www.epa.gov/epahome/dockets.htm. Docket: Documents in the docket are listed in the www.regulations.gov index. Although listed in the index, some information is not publicly available, e.g. CBI or other information whose disclosure is restricted by statute. Certain other materials, such as copyrighted material, are publicly available only in hard copy. Publicly available docket materials are available either electronically in www.regulations.gov or in hard copy at the OEI Docket in the EPA Headquarters Docket Center. Dated: December 14, 2006. George Alapas, Deputy Director, National Center for Environmental Assessment. [FR Doc. E6–21969 Filed 12–21–06; 8:45 am] BILLING CODE 6560–50–P ENVIRONMENTAL PROTECTION AGENCY [FRL–8260–2; Docket ID No. EPA–HQ–ORD– 2006–0950] Integrated Risk Information System (IRIS); Request for Chemical Substance Nominations for 2007 Program Environmental Protection Agency (EPA). ACTION: Request for chemical substance nominations for the IRIS 2007 program. jlentini on PROD1PC65 with NOTICES AGENCY: SUMMARY: The Integrated Risk Information System (IRIS) is an VerDate Aug<31>2005 17:45 Dec 21, 2006 Jkt 211001 Environmental Protection Agency (EPA) database that contains EPA’s scientific positions on human health effects that may result from exposure to chemical substances in the environment. EPA is soliciting public nominations for chemical substances for its 2007 agenda. EPA invites the public to submit nominations for substances to be considered for an assessment or reassessment in its IRIS Program in accordance with the instructions provided at the end of this notice. DATES: Nominations must be submitted within 30 days of the publication of this notice. The 30-day period begins December 22, 2006 and ends January 22, 2007. ADDRESSES: Nominations may be submitted electronically via www.regulations.gov, by mail, by facsimile, or by hand delivery/courier. Please follow the detailed instructions provided in the SUPPLEMENTARY INFORMATION section of this notice. FOR FURTHER INFORMATION CONTACT: For information on the IRIS Program, contact Abdel Kadry, Ph.D., Program Director, National Center for Environmental Assessment (mail code 8601D), Office of Research and Development, U.S. Environmental Protection Agency, Washington, DC 20460, or call (202) 564–1645, or send electronic mail inquiries to: kadry.abdel@epa.gov. For general questions about access to IRIS or the content of IRIS, please call the IRIS Hotline at (301) 345–2870 or send electronic mail inquiries to hotline.iris@epa.gov. SUPPLEMENTARY INFORMATION: I. Background IRIS is an EPA database containing EPA consensus scientific positions on potential adverse human health effects that might result from exposure to chemical substances found in the environment. IRIS currently provides information on health effects associated with more than 500 chemical substances. The database includes chemical-specific summaries of qualitative and quantitative health information in support of the first two steps of the risk assessment process, i.e., hazard identification and dose-response evaluation. Combined with specific situational exposure assessment information, the information in IRIS may be used as a source in evaluating potential public health risks from environmental contaminants. EPA’s overall process for developing IRIS assessments consists of: (1) An annual Federal Register announcement of EPA’s IRIS agenda and call for PO 00000 Frm 00058 Fmt 4703 Sfmt 4703 scientific information from the public on selected chemical substances; (2) a search of the current literature; (3) development of draft health assessments and IRIS summaries; (4) peer review within EPA and the Federal Government; (5) external peer review; (6) management approval; (7) preparation of final IRIS summaries and supporting documents; and (8) entry of summaries and supporting documents into the IRIS database. A. The IRIS Annual Agenda Each year, EPA develops a list of priority chemical substances and an annual agenda for the IRIS Program. EPA uses the following general criteria to set these priorities: (1) EPA statutory, regulatory, or program-specific implementation needs; (2) potential public health impact; (3) availability of new scientific information or methodology that might significantly change the current IRIS information; (4) interest to other levels of government or the public; and (5) availability of other scientific assessment documents such that only a modest additional effort would be needed to complete the review and documentation for IRIS. The decision to assess any given substance depends on available EPA resources. Timing of EPA’s risk assessment guidance, guidelines, and science policy decisions may also play a role in deciding when the Agency has the appropriate methods to assess a chemical substance. EPA continues to build and update the IRIS database by addressing the foremost user needs, as expressed by EPA, other federal agencies, and the public. EPA also works toward updating all assessments in the database where new scientific information is available to do so. EPA is currently conducting the following 80 assessments. Unless otherwise noted, EPA expects to assess noncancer and cancer endpoints for each substance. For all endpoints assessed, EPA intends to develop both qualitative and quantitative assessments if adequate data are available to support those assessments. Substance name Acetaldehyde ............ Acrolein (acute exposure duration). Acrylamide ................ Acrylonitrile ................ Aldicarb and aldicarb sulfoxide. Aldicarb sulfone ........ Arsenic, inorganic ..... Asbestos (noncancer and cancer effects). E:\FR\FM\22DEN1.SGM 22DEN1 CAS no. 75–07–0 107–02–8 79–06–1 107–13–1 116–06–3/1646–87–3 1646–88–4 7440–38–2 1332–21–4 77018 Federal Register / Vol. 71, No. 246 / Friday, December 22, 2006 / Notices jlentini on PROD1PC65 with NOTICES Substance name Benzene (less-thanlifetime exposure durations). Benzo(a)pyrene ......... Beryllium (cancer effects). Bromobenzene .......... Butyl benzyl phthalate Cadmium ................... Carbon tetrachloride Cerium and compounds. Chloroethane ............. Chloroform (inhalation route). Chloroprene .............. Cobalt ........................ Copper ...................... Dibutyl phthalate ....... 1,2-Dichlorobenzene 1,3-Dichlorobenzene 1,4-Dichlorobenzene cis-1,2Dichloroethylene. trans-1,2Dichloroethylene. Di(2ethylhexyl)adipate. Di(2-ethylhexyl) phthalate. 1,4-Dioxane ............... Ethanol ...................... Ethyl tertiary-butyl ether (ETBE). Ethylbenzene ............ Ethylene dichloride .... Ethylene glycol monobutyl ether (cancer effects). Ethylene oxide (acute exposure duration). Ethylene oxide (cancer effects). Formaldehyde ........... Hexachlorobutadiene Hexachlorocyclopentadiene (acute exposure duration). Hexachloroethane ..... Hexahydro-1,3,5trinitro-triazine (RDX). 2-Hexanone ............... Hydrogen cyanide ..... Hydrogen sulfide (acute exposure duration). Isopropanol ............... Kepone ...................... Methanol ................... Methyl tertiary-butyl ether (MTBE). Methylene chloride (dichloromethane). Mirex ......................... Naphthalene .............. Nickel (soluble salts) Nitrobenzene ............. PAH mixtures ............ Pentachlorophenol .... Perfluorooctanoic acid—ammonium salt. VerDate Aug<31>2005 CAS no. 71–43–2 50–32–8 7440–41–7 108–86–1 85–68–7 7440–43–9 56–23–5 1306–38–3 75–00–3 67–66–3 126–99–8 7440–48–4 7440–50–8 84–74–2 95–50–1 541–73–1 106–46–7 156–59–2 156–60–5 103–23–1 117–81–7 123–91–1 64–17–5 637–92–3 100–41–4 107–06–2 111–76–2 75–21–8 75–21–8 50–00–0 87–68–3 77–47–4 67–72–1 121–82–4 591–78–6 74–90–8 7783–06–4 67–63–0 143–50–0 67–56–1 1634–04–4 75–09–2 2385–85–5 91–20–3 [N.A.-various] 98–95–3 [N.A.-various] 87–86–5 3825–26–1 17:45 Dec 21, 2006 Jkt 211001 Substance name Perfluorooctane sulfonate—potassium salt. Phosgene (acute exposure duration). Platinum .................... Polybrominated diphenyl ethers (PBDEs) -tetraBDE ............... -pentaBDE ............. -hexaBDE .............. -decaBDE .............. Polychlorinated biphenyls (PCBs). Propionaldehyde ....... Refractory ceramic fibers. Styrene ...................... 2,3,7,8-TCDD (dioxin) 1,1,2,2Tetrachloroethane. Tetrachloroethylene (perchloroethylene). Tetrahydrofuran ......... Thallium ..................... Trichloroacetic acid ... 1,1,1-Trichloroethane Trichloroethylene ....... 1,2,3Trichloropropane. 2,2,4Trimethylpentane. Uranium compounds Vinyl acetate ............. CAS no. 2795–39–3 75–44–5 7440–06–4 5436–43–1 60348–60–9 68631–49–2 1163–19–5 1336–36–3 123–38–6 [N.A.] 100–42–5 1746–01–6 79–34–5 127–18–4 109–99–9 7440–28–0 76–03–9 71–55–6 79–01–6 96–18–4 540–84–1 7440–61–1 108–05–4 B. Submission of Nominations for New Assessments for the 2007 IRIS Program Today’s notice invites voluntary public nominations for chemical substances not already listed in this notice. Nominations are most useful if they identify the nominator; including full name, title, affiliation, mailing address, e-mail address, and telephone number. II. How to Submit Nominations to the Docket at www.regulations.gov Submit your nominations, identified by Docket ID No. EPA–HQ–ORD 2006– 0950 by one of the following methods: • http://www.regulations.gov: Follow the on-line instructions for submitting comments. • E-Mail: ORD.Docket@epa.gov. • Fax: (202) 566–1753. • Mail: Office of Environmental Information (OEI) Docket (Mail Code: 2822T), U.S. Environmental Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460. The phone number is (202) 566–1752. • 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 Public Reading Room is open from 8:30 a.m. to 4:30 p.m., Eastern PO 00000 Frm 00059 Fmt 4703 Sfmt 4703 Standard Time (EST), Monday through Friday, excluding Federal holidays. The telephone number for the Public Reading Room is (202) 566–1744. Such deliveries are only accepted during the docket’s normal hours of operation, and special arrangements should be made for deliveries of boxed information. Consult EPA’s EPA Web site at http:// www.epa.gov/epahome/dockets.htm for current information on docket operations, locations and telephone numbers. If you provide nominations by mail or hand delivery, please submit one unbound original with pages numbered consecutively, and three copies of the nominations. For attachments, provide an index, number pages consecutively with the nominations, and submit an unbound original and three copies. Instructions: Direct your nominations to Docket ID No. EPA–HQ–ORD–2006– 0950. Please ensure that your comments are submitted within the specified nomination period. Nominations received after the closing date will be marked ‘‘late,’’ and may only be considered if time permits. It is EPA’s policy to include all comments it receives in the public docket without change and to make the comments available online at http:// www.regulations.gov, including any personal information provided, unless a comment includes information claimed to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Do not submit information that you consider to be CBI or otherwise protected through www.regulations.gov or e-mail. The www.regulations.gov 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 www.regulations.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 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 files should avoid the use of special characters, any form of encryption, and be free of any defects or viruses. For additional information about EPA’s public docket, visit the EPA E:\FR\FM\22DEN1.SGM 22DEN1 Federal Register / Vol. 71, No. 246 / Friday, December 22, 2006 / Notices Docket Center homepage at http:// www.epa.gov/epahome/dockets.htm. Docket: Documents in the docket are listed in the www.regulations.gov index. Although listed in the index, some information is not publicly available, e.g., CBI or other information whose disclosure is restricted by statute. Certain other materials, such as copyrighted material, are publicly available only in hard copy. Publicly available docket materials are available either electronically in www.regulations.gov or in hard copy at the OEI Docket in the EPA Headquarters Docket Center. Dated: December 14, 2006. George Alapas, Deputy Director, National Center for Environmental Assessment. [FR Doc. E6–21970 Filed 12–21–06; 8:45 am] BILLING CODE 6560–50–P ENVIRONMENTAL PROTECTION AGENCY Toxics Release Inventory—Decision To Maintain Existing Reporting Frequency Environmental Protection Agency (EPA). ACTION: Notice. jlentini on PROD1PC65 with NOTICES AGENCY: SUMMARY: This notice announces EPA’s decision to maintain the annual reporting requirement for the Toxics Release Inventory (TRI). This announcement is being made in followup to an October 4, 2005, Federal Register notice that stated that EPA intended to explore potential approaches for modifying the TRI reporting frequency (70 FR 57871). The Agency has decided not to pursue any changes in the TRI reporting frequency. FOR FURTHER INFORMATION CONTACT: Suzanne Ackerman, ackerman.suzanne@epa.gov, 202–564– 4355, Office of Public Affairs. SUPPLEMENTARY INFORMATION: The Emergency Planning and Community Right-to-Know Act (EPCRA), section 313(i), requires EPA to notify Congress of its intent to modify the TRI reporting frequency, before initiating a rulemaking. 42 U.S.C. 11023(i). The Agency must delay the initiation of the rulemaking for at least 12 months, but no more than 24 months, after the date of the notification. On September 21, 2005, EPA notified Congress of its intent to explore potential approaches for modifying the reporting frequency for facilities that report to TRI. Alternate year reporting was one of the options that EPA mentioned in the notice. Before changing the reporting frequency, VerDate Aug<31>2005 17:45 Dec 21, 2006 Jkt 211001 EPCRA section 313(i)(2) requires the Agency to make a finding that such a change would be consistent with the purposes of the TRI Program as listed in EPCRA section 313(h). This finding must be based on experience from previously submitted toxic chemical release forms and three determinations, as stated in EPCRA section 313(i)(1), (2), and (3): (1) The extent to which information relating to the proposed modification provided on the toxic chemical release forms has been used by the Administrator or other agencies of the Federal Government, States, local governments, health professionals, and the public; (2) the extent to which the information is readily available to potential users from other sources, such as State reporting programs, and provided to the Administrator under another Federal law or through a State program; and (3) the extent to which the modification would impose additional and unreasonable burdens on facilities subject to the reporting requirements under this section. 42 U.S.C. 11023(i)(2) and (3). In a November 28, 2006, letter to Senator Lautenberg, the Administrator announced that the Agency has decided against moving forward with any changes to TRI reporting frequency. While the Agency does not intend to take any further actions concerning reporting frequency, EPA will adhere to the process outlined in 42 U.S.C. 11023(i)(5) and provide 12 months advance notice to Congress should the Agency in the future decide to initiate changes to reporting frequency. Dated: December 18, 2006. Linda A. Travers, Acting Assistant Administrator for the Office of Environmental Information and Chief Information Officer. [FR Doc. E6–21957 Filed 12–21–06; 8:45 am] BILLING CODE 6560–50–P OFFICE OF SCIENCE AND TECHNOLOGY POLICY Meeting of the President’s Council of Advisors on Science and Technology ACTION: Notice of meeting. SUMMARY: This notice sets forth the schedule and summary agenda for a meeting of the President’s Council of Advisors on Science and Technology (PCAST), and describes the functions of the Council. Notice of this meeting is required under the Federal Advisory Committee Act (FACA). DATES AND PLACE: January 9, 2007, Washington, DC. The meeting will be PO 00000 Frm 00060 Fmt 4703 Sfmt 4703 77019 held in the Congressional Ballroom at the Renaissance Hotel at 999 9th St., NW., Washington DC 20001. TYPE OF MEETING: Open. Further details on the meeting agenda will be posted on the PCAST Web site at: http:// www.ostp.gov/PCAST/pcast.html. PROPOSED SCHEDULE AND AGENDA: The President’s Council of Advisors on Science and Technology (PCAST) is scheduled to meet in open session on Tuesday January 9, 2007, at approximately 9 a.m. The co-chairs of the PCAST subcommittee on networking and information technology are tentatively scheduled to provide an update on subcommittee activities and lead a discussion on the PCAST review of the Federal Networking and Information Technology Research and Development (NITRD) Program. The PCAST is tentatively scheduled to hear presentations on personalized medicine as part of the Council’s study of scientific and technological advances and policy implications in this area. A presentation on advances and risk assessment related to nanotechnology is also tentatively scheduled to occur. This session will end at approximately 5 p.m. Additional information and the final agenda will be posted at the PCAST Web site at: http://www.ostp.gov/ PCAST/pcast.html. PUBLIC COMMENTS: There will be time allocated for the public to speak on the above agenda items. This public comment time is designed for substantive commentary on PCAST’s work topics, not for business marketing purposes. Please submit a request for the opportunity to make a public comment five (5) days in advance of the meeting. The time for public comments will be limited to no more than 5 minutes per person. Written comments are also welcome at any time following the meeting. Please notify Celia Merzbacher, PCAST Executive Director, at (202) 456–7116, or fax your request/ comments to (202) 456–6021. FOR FURTHER INFORMATION CONTACT: For information regarding time, place and agenda, please call Celia Merzbacher at (202) 456–7116, prior to 3 p.m. on Friday, January 5, 2007. Information will also be available at the PCAST Web site at: http://www.ostp.gov/PCAST/ pcast.html. Please note that public seating for this meeting is limited and is available on a first-come, first-served basis. SUPPLEMENTARY INFORMATION: The President’s Council of Advisors on Science and Technology was established by Executive Order 13226, on September 30, 2001. The purpose of PCAST is to advise the President on E:\FR\FM\22DEN1.SGM 22DEN1

Agencies

[Federal Register Volume 71, Number 246 (Friday, December 22, 2006)]
[Notices]
[Pages 77017-77019]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E6-21970]


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ENVIRONMENTAL PROTECTION AGENCY

[FRL-8260-2; Docket ID No. EPA-HQ-ORD-2006-0950]


Integrated Risk Information System (IRIS); Request for Chemical 
Substance Nominations for 2007 Program

AGENCY: Environmental Protection Agency (EPA).

ACTION: Request for chemical substance nominations for the IRIS 2007 
program.

-----------------------------------------------------------------------

SUMMARY: The Integrated Risk Information System (IRIS) is an 
Environmental Protection Agency (EPA) database that contains EPA's 
scientific positions on human health effects that may result from 
exposure to chemical substances in the environment. EPA is soliciting 
public nominations for chemical substances for its 2007 agenda. EPA 
invites the public to submit nominations for substances to be 
considered for an assessment or reassessment in its IRIS Program in 
accordance with the instructions provided at the end of this notice.

DATES: Nominations must be submitted within 30 days of the publication 
of this notice. The 30-day period begins December 22, 2006 and ends 
January 22, 2007.

ADDRESSES: Nominations may be submitted electronically via 
www.regulations.gov, by mail, by facsimile, or by hand delivery/
courier. Please follow the detailed instructions provided in the 
SUPPLEMENTARY INFORMATION section of this notice.

FOR FURTHER INFORMATION CONTACT: For information on the IRIS Program, 
contact Abdel Kadry, Ph.D., Program Director, National Center for 
Environmental Assessment (mail code 8601D), Office of Research and 
Development, U.S. Environmental Protection Agency, Washington, DC 
20460, or call (202) 564-1645, or send electronic mail inquiries to: 
kadry.abdel@epa.gov. For general questions about access to IRIS or the 
content of IRIS, please call the IRIS Hotline at (301) 345-2870 or send 
electronic mail inquiries to hotline.iris@epa.gov.

SUPPLEMENTARY INFORMATION:

I. Background

    IRIS is an EPA database containing EPA consensus scientific 
positions on potential adverse human health effects that might result 
from exposure to chemical substances found in the environment. IRIS 
currently provides information on health effects associated with more 
than 500 chemical substances. The database includes chemical-specific 
summaries of qualitative and quantitative health information in support 
of the first two steps of the risk assessment process, i.e., hazard 
identification and dose-response evaluation. Combined with specific 
situational exposure assessment information, the information in IRIS 
may be used as a source in evaluating potential public health risks 
from environmental contaminants.
    EPA's overall process for developing IRIS assessments consists of: 
(1) An annual Federal Register announcement of EPA's IRIS agenda and 
call for scientific information from the public on selected chemical 
substances; (2) a search of the current literature; (3) development of 
draft health assessments and IRIS summaries; (4) peer review within EPA 
and the Federal Government; (5) external peer review; (6) management 
approval; (7) preparation of final IRIS summaries and supporting 
documents; and (8) entry of summaries and supporting documents into the 
IRIS database.

A. The IRIS Annual Agenda

    Each year, EPA develops a list of priority chemical substances and 
an annual agenda for the IRIS Program. EPA uses the following general 
criteria to set these priorities: (1) EPA statutory, regulatory, or 
program-specific implementation needs; (2) potential public health 
impact; (3) availability of new scientific information or methodology 
that might significantly change the current IRIS information; (4) 
interest to other levels of government or the public; and (5) 
availability of other scientific assessment documents such that only a 
modest additional effort would be needed to complete the review and 
documentation for IRIS. The decision to assess any given substance 
depends on available EPA resources. Timing of EPA's risk assessment 
guidance, guidelines, and science policy decisions may also play a role 
in deciding when the Agency has the appropriate methods to assess a 
chemical substance.
    EPA continues to build and update the IRIS database by addressing 
the foremost user needs, as expressed by EPA, other federal agencies, 
and the public. EPA also works toward updating all assessments in the 
database where new scientific information is available to do so.
    EPA is currently conducting the following 80 assessments. Unless 
otherwise noted, EPA expects to assess noncancer and cancer endpoints 
for each substance. For all endpoints assessed, EPA intends to develop 
both qualitative and quantitative assessments if adequate data are 
available to support those assessments.

------------------------------------------------------------------------
              Substance name                           CAS no.
------------------------------------------------------------------------
Acetaldehyde..............................  75-07-0
Acrolein (acute exposure duration)........  107-02-8
Acrylamide................................  79-06-1
Acrylonitrile.............................  107-13-1
Aldicarb and aldicarb sulfoxide...........  116-06-3/1646-87-3
Aldicarb sulfone..........................  1646-88-4
Arsenic, inorganic........................  7440-38-2
Asbestos (noncancer and cancer effects)...  1332-21-4

[[Page 77018]]

 
Benzene (less-than-lifetime exposure        71-43-2
 durations).
Benzo(a)pyrene............................  50-32-8
Beryllium (cancer effects)................  7440-41-7
Bromobenzene..............................  108-86-1
Butyl benzyl phthalate....................  85-68-7
Cadmium...................................  7440-43-9
Carbon tetrachloride......................  56-23-5
Cerium and compounds......................  1306-38-3
Chloroethane..............................  75-00-3
Chloroform (inhalation route).............  67-66-3
Chloroprene...............................  126-99-8
Cobalt....................................  7440-48-4
Copper....................................  7440-50-8
Dibutyl phthalate.........................  84-74-2
1,2-Dichlorobenzene.......................  95-50-1
1,3-Dichlorobenzene.......................  541-73-1
1,4-Dichlorobenzene.......................  106-46-7
cis-1,2-Dichloroethylene..................  156-59-2
trans-1,2-Dichloroethylene................  156-60-5
Di(2-ethylhexyl)adipate...................  103-23-1
Di(2-ethylhexyl) phthalate................  117-81-7
1,4-Dioxane...............................  123-91-1
Ethanol...................................  64-17-5
Ethyl tertiary-butyl ether (ETBE).........  637-92-3
Ethylbenzene..............................  100-41-4
Ethylene dichloride.......................  107-06-2
Ethylene glycol monobutyl ether (cancer     111-76-2
 effects).
Ethylene oxide (acute exposure duration)..  75-21-8
Ethylene oxide (cancer effects)...........  75-21-8
Formaldehyde..............................  50-00-0
Hexachlorobutadiene.......................  87-68-3
Hexachloro- cyclopentadiene (acute          77-47-4
 exposure duration).
Hexachloroethane..........................  67-72-1
Hexahydro-1,3,5-trinitro-triazine (RDX)...  121-82-4
2-Hexanone................................  591-78-6
Hydrogen cyanide..........................  74-90-8
Hydrogen sulfide (acute exposure duration)  7783-06-4
Isopropanol...............................  67-63-0
Kepone....................................  143-50-0
Methanol..................................  67-56-1
Methyl tertiary-butyl ether (MTBE)........  1634-04-4
Methylene chloride (dichloromethane)......  75-09-2
Mirex.....................................  2385-85-5
Naphthalene...............................  91-20-3
Nickel (soluble salts)....................  [N.A.-various]
Nitrobenzene..............................  98-95-3
PAH mixtures..............................  [N.A.-various]
Pentachlorophenol.........................  87-86-5
Perfluorooctanoic acid--ammonium salt.....  3825-26-1
Perfluorooctane sulfonate--potassium salt.  2795-39-3
Phosgene (acute exposure duration)........  75-44-5
Platinum..................................  7440-06-4
Polybrominated diphenyl ethers (PBDEs)
  -tetraBDE...............................  5436-43-1
  -pentaBDE...............................  60348-60-9
  -hexaBDE................................  68631-49-2
  -decaBDE................................  1163-19-5
Polychlorinated biphenyls (PCBs)..........  1336-36-3
Propionaldehyde...........................  123-38-6
Refractory ceramic fibers.................  [N.A.]
Styrene...................................  100-42-5
2,3,7,8-TCDD (dioxin).....................  1746-01-6
1,1,2,2-Tetrachloroethane.................  79-34-5
Tetrachloroethylene (perchloroethylene)...  127-18-4
Tetrahydrofuran...........................  109-99-9
Thallium..................................  7440-28-0
Trichloroacetic acid......................  76-03-9
1,1,1-Trichloroethane.....................  71-55-6
Trichloroethylene.........................  79-01-6
1,2,3-Trichloropropane....................  96-18-4
2,2,4-Trimethylpentane....................  540-84-1
Uranium compounds.........................  7440-61-1
Vinyl acetate.............................  108-05-4
------------------------------------------------------------------------

B. Submission of Nominations for New Assessments for the 2007 IRIS 
Program

    Today's notice invites voluntary public nominations for chemical 
substances not already listed in this notice. Nominations are most 
useful if they identify the nominator; including full name, title, 
affiliation, mailing address, e-mail address, and telephone number.

II. How to Submit Nominations to the Docket at www.regulations.gov

    Submit your nominations, identified by Docket ID No. EPA-HQ-ORD 
2006-0950 by one of the following methods:
     http://www.regulations.gov: Follow the on-line 
instructions for submitting comments.
     E-Mail: ORD.Docket@epa.gov.
     Fax: (202) 566-1753.
     Mail: Office of Environmental Information (OEI) Docket 
(Mail Code: 2822T), U.S. Environmental Protection Agency, 1200 
Pennsylvania Ave., NW., Washington, DC 20460. The phone number is (202) 
566-1752.
     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 Public 
Reading Room is open from 8:30 a.m. to 4:30 p.m., Eastern Standard Time 
(EST), Monday through Friday, excluding Federal holidays. The telephone 
number for the Public Reading Room is (202) 566-1744. Such deliveries 
are only accepted during the docket's normal hours of operation, and 
special arrangements should be made for deliveries of boxed 
information.
    Consult EPA's EPA Web site at http://www.epa.gov/epahome/
dockets.htm for current information on docket operations, 
locations and telephone numbers.
    If you provide nominations by mail or hand delivery, please submit 
one unbound original with pages numbered consecutively, and three 
copies of the nominations. For attachments, provide an index, number 
pages consecutively with the nominations, and submit an unbound 
original and three copies.
    Instructions: Direct your nominations to Docket ID No. EPA-HQ-ORD-
2006-0950. Please ensure that your comments are submitted within the 
specified nomination period. Nominations received after the closing 
date will be marked ``late,'' and may only be considered if time 
permits. It is EPA's policy to include all comments it receives in the 
public docket without change and to make the comments available online 
at http://www.regulations.gov, including any personal information 
provided, unless a comment includes information claimed to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Do not submit information that you 
consider to be CBI or otherwise protected through www.regulations.gov 
or e-mail. The www.regulations.gov 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 
www.regulations.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 
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 files should avoid the use of special 
characters, any form of encryption, and be free of any defects or 
viruses. For additional information about EPA's public docket, visit 
the EPA

[[Page 77019]]

Docket Center homepage at http://www.epa.gov/epahome/
dockets.htm.
    Docket: Documents in the docket are listed in the 
www.regulations.gov index. Although listed in the index, some 
information is not publicly available, e.g., CBI or other information 
whose disclosure is restricted by statute. Certain other materials, 
such as copyrighted material, are publicly available only in hard copy. 
Publicly available docket materials are available either electronically 
in www.regulations.gov or in hard copy at the OEI Docket in the EPA 
Headquarters Docket Center.

    Dated: December 14, 2006.
George Alapas,
Deputy Director, National Center for Environmental Assessment.
 [FR Doc. E6-21970 Filed 12-21-06; 8:45 am]
BILLING CODE 6560-50-P