[Federal Register Volume 85, Number 114 (Friday, June 12, 2020)]
[Proposed Rules]
[Pages 35812-35814]
[FR Doc No: 2020-12626]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2020-0542; Project Identifier AD-2020-00582-E]
RIN 2120-AA64

Airworthiness Directives; Pratt & Whitney Division Turbofan
Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD)
for all Pratt & Whitney Division (PW) PW4164, PW4164-1D, PW4168,
PW4168-1D, PW4168A, PW4168A-1D, and PW4170 model turbofan engines with
a certain outer combustion chamber assembly and 3rd stage low-pressure
turbine (LPT) duct segments installed. This proposed AD was prompted by
reports of damaged or failed 3rd stage LPT duct segments on PW engines
with the Talon IIB outer combustion chamber assembly configuration
installed. This proposed AD would require removing and replacing
certain 3rd stage LPT duct segments. The FAA is proposing this AD to
address the unsafe condition on these products.

DATES: The FAA must receive comments on this proposed AD by July 27,
2020.

ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
     Federal eRulemaking Portal: Go to https://www.regulations.gov. Follow the instructions for submitting comments.
     Fax:<PHONE_NUMBER>.
     Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
     Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.

Examining the AD Docket

    You may examine the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2020-
0542; or in person at Docket Operations between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays. The AD docket contains
this NPRM, any comments received, and other information. The street
address for Docket Operations is listed above. Comments will be
available in the AD docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Carol Nguyen, Aerospace Engineer, ECO
Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-
238-7655; fax:<PHONE_NUMBER>; email<EMAIL_ADDRESS>
SUPPLEMENTARY INFORMATION:

Comments Invited

    The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under the ADDRESSES section. Include ``Docket No. FAA-2020-0542;
Project Identifier AD-2020-00582-E'' at the beginning of your comments.
The FAA specifically invites comments on the overall regulatory,
economic, environmental, and energy aspects of this NPRM. The FAA will
consider all comments received by the closing date and may amend this
NPRM because of those comments.
    Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
https://www.regulations.gov, including any personal information you
provide. The FAA will also post a report summarizing each substantive
verbal contact received about this NPRM.

Confidential Business Information

    Confidential Business Information (CBI) is commercial or financial
information that is both customarily and actually treated as private by
its owner. Under the Freedom of Information Act (FOIA) (5 U.S.C. 552),
CBI is exempt from public disclosure. If your comments responsive to
this AD contain commercial or financial information that is customarily
treated as private, that you actually treat as private, and that is
relevant or responsive to this AD, it is important that you clearly
designate the submitted comments as CBI. Please mark each page of your
submission containing CBI as ``PROPIN.'' The FAA will treat such marked
submissions as confidential under the FOIA, and they will not be placed
in the public docket of this AD. Submissions containing CBI should be
sent to Carol Nguyen, Aerospace Engineer, ECO Branch, FAA, 1200
District Avenue, Burlington, MA, 01803. Any commentary that the FAA
receives which is not specifically designated as CBI will be placed in
the public docket for this rulemaking.

Discussion

    The FAA received multiple reports of damaged or failed 3rd stage
LPT duct segments that resulted in engine surges, in-flight shutdowns,
diversions, and air turnbacks. The reports were attributed to elevated
gas path temperature at the outer diameter of the turbine flowpath and
high-pressure turbine 2nd stage blade outer air seal spallation, which
led to the distortion and liberation of 3rd stage LPT duct segments.
This condition, if not addressed, could result in uncontained release
of LPT blades and vanes, damage to the engine, and damage to the
airplane.

Related Service Information

    The FAA reviewed PW Service Bulletin (SB) No. PW4G-100-72-214,
dated December 15, 2011; PW SB No. PW4G-100-72-219, Revision 1, dated
October 5, 2011; and PW SB No. PW4G-100-72-253, dated November 24,
2014. PW SB No. PW4G-100-72-214 introduces the Talon IIB outer
combustion chamber assembly that reduces the combustor exit temperature
levels at the outer diameter of the combustor. PW SB No. PW4G-100-72-
219, Revision 1, describes procedures for installing the Advantage70
engine upgrade kit to improve engine reliability and fuel consumption,
and to reduce maintenance costs. PW SB No. PW4G-100-72-253 describes
procedures for replacing the outer combustion chamber assembly waspaloy
nuts.

FAA's Determination

    The FAA is proposing this AD because the Agency evaluated all the
relevant information and determined the unsafe condition described
previously is likely to exist or develop in other products of the same
type design.

Proposed AD Requirements

    This proposed AD would require removing and replacing certain 3rd
stage LPT duct segments.

Costs of Compliance

    The FAA estimates that this proposed AD affects 99 engines
installed on airplanes of U.S. registry.
    The FAA estimates the following costs to comply with this proposed
AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                Cost per       Cost on U.S.
               Action                        Labor cost           Parts cost        product         operators
----------------------------------------------------------------------------------------------------------------
Remove and replace 3rd stage LPT      56 work-hours x $85 per         $85,000          $89,760       $8,886,240
 duct segments.                        hour = $4,760.
----------------------------------------------------------------------------------------------------------------

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.
    The FAA is issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: ``General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds

necessary for safety in air commerce. This regulation is within the
scope of that authority because it addresses an unsafe condition that
is likely to exist or develop on products identified in this rulemaking
action.

Regulatory Findings

    The FAA determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national Government and the States, or on the distribution
of power and responsibilities among the various levels of government.
    For the reasons discussed above, I certify this proposed
regulation:
    (1) Is not a ``significant regulatory action'' under Executive
Order 12866,
    (2) Will not affect intrastate aviation in Alaska, and
    (3) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

The Proposed Amendment

    Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority:  49 U.S.C. 106(g), 40113, 44701.

Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness
directive (AD):

Pratt & Whitney Division: Docket No. FAA-2020-0542; Project
Identifier AD-2020-00582-E.

(a) Comments Due Date

    The FAA must receive comments by July 27, 2020.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to all Pratt & Whitney Division (PW) PW4164,
PW4164-1D, PW4168, PW4168-1D, PW4168A, PW4168A-1D, and PW4170 model
turbofan engines that have 3rd stage low-pressure turbine (LPT) duct
segments, part number (P/N) 50N434-01 or P/N 50N450-01 installed,
and have the Talon IIB outer combustion chamber assembly, P/N 51J500
or P/N 51J381, installed.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7250, Turbine
Section.

(e) Unsafe Condition

    This AD was prompted by reports of damaged or failed 3rd stage
LPT duct segments on PW engines with the Talon IIB outer combustion
chamber assembly configuration installed. The FAA is issuing this AD
to prevent failure of the 3rd stage LPT duct segments. The unsafe
condition, if not addressed, could result in uncontained release of
LPT blades and vanes, damage to the engine, and damage to the
airplane.

(f) Compliance

    Comply with this AD within the compliance times specified,
unless already done.

(g) Required Action

    At every engine shop visit after the effective date of this AD,
remove from service the 3rd stage LPT duct segments, P/N 50N434-01
and P/N 50N450-01, and replace them with parts with zero flight
cycles.

(h) Terminating Action

    Removal of the 3rd stage LPT duct segments, P/N 50N434-01 and P/
N 50N450-01, and their replacement with parts having P/Ns other than
P/N 50N434-01 and P/N 50N450-01, constitutes terminating action for
the repetitive replacement required by paragraph (g) of this AD.

(i) Definition

    For the purpose of this AD, an ``engine shop visit'' is the
induction of an engine into the shop for maintenance involving the
separation of pairs of major mating engine flanges (lettered
flanges). The separation of engine flanges solely for the purpose of
transportation without subsequent engine maintenance does not
constitute an engine shop visit.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, ECO Branch, FAA, has the authority to approve
AMOCs for this AD, if requested using the procedures found in 14 CFR
39.19. In accordance with 14 CFR 39.19, send your request to your
principal inspector or local Flight Standards District Office, as
appropriate. If sending information directly to the manager of the
certification office, send it to the attention of the person
identified in paragraph (k) of this AD. You may email your request
to<EMAIL_ADDRESS>    (2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office.

(k) Related Information

    For more information about this AD, contact Carol Nguyen,
Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue,
Burlington, MA 01803; phone:<PHONE_NUMBER>; fax:<PHONE_NUMBER>; email:
<EMAIL_ADDRESS>
    Issued on June 5, 2020.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2020-12626 Filed 6-11-20; 8:45 am]
 BILLING CODE 4910-13-P


New Hampshire	 	 	 	X

New Jersey	X	X	X

New Mexico	X

New York	X	X	X

North Carolina	X	X	 	X	X

North Dakota	 	X

Northern Mariana Islands

Ohio	X	X	X

Oklahoma	X	X	X

Oregon	 	X

Pennsylvania

Puerto Rico

Rhode Island	 	X

South Carolina	 	X

South Dakota	X	X	X

Tennessee	 	X	 	X

Texas	X	X	X

U.S. Virgin Islands

Utah	 	X

Vermont	X	X	X

Virginia	 	X	 	 	X	X

Washington	X	X	X

West Virginia	 	X

Wisconsin	X	X	X

Wyoming	X	X	X

Source:	U.S. Environmental Protection Agency (USEPA),  CROMERR Program
and Stakeholder Management (PSM) System, data current as of October 9,
2014.

Attachment C-2

Number of Facilities Associated with Existing State Electronic Document
Receiving Systems

in the CROMERR Cost-Benefit Analysis Survey, by State Environmental
Program

(Data Current as of Summer 2002)

State	Air	Water	Waste, USTs, Emergency Planning

	Air

(CEM)	Air

Permits	Air

(NEI)	Air

Title V

Emissions	Emission

Reports

(Non-Title V)	Air

Quality	PTO

Applications	Asbestos

Notification	EDMR	Drinking/

Ground

Water	Wastewater	UIC	HW

Annual

Report	UST	Risk

Management

Florida

	3

New Jersey	12	1,500

1,000

	New Mexico

	200

North Dakota

250

	Ohio

200

780	2,400

780

	5,700	1,550

480

500

Pennsylvania

125

6,000

	Wisconsin	5,200	22

600

a  For purposes of this analysis, data for Wisconsin’s “Consolidated
(air, haz waste)” program was divided among the “Air” and “HW
Annual Report” categories.  Specifically, 90 percent of the facilities
were allocated to the “Air” category and the remaining 10 percent
were allocated to the “HW Annual Report” category.  This allocation
was based on Ohio’s data and available information on the number of
hazardous waste handlers that reported to the 2007 Hazardous Waste
Report.

Source:	U.S. Environmental Protection Agency (USEPA), “Table V-2.
Existing State Receiving Systems” of Cross-Media Electronic Reporting
and Records Rule (CROMERRR) Cost Benefit Analysis, Final; November 17,
2004.

Acronyms

CEM	Continuous Emissions Monitoring

EDMR	Electronic Discharge Monitoring Report

HW	Hazardous Waste

NEI	National Emission Inventory

PTO	Permit to Operate

UIC	Underground Injection Control

UST	Underground Storage Tank

Attachment C-3

List of ICRs Used in Analysis, by Environmental Program

ICR Numbers	ICR Name

Air

1587.06

1587.12	State Operating Permit Regulations

111.10

111.13	NESHAP for Asbestos

1088.10

1088.13	NSPS for Industrial-Commercial-Institutional Steam Generating
Units

Water

2.11

2.15	National Pretreatment Program

270.42

270.45	Public Water System Supervision Program

Waste, USTs, Emergency Planning

261.14	Notification of Regulated Waste Activity

976.11	2007 Hazardous Waste Report

976.16	2013 Hazardous Waste Report, Notification of Regulated Waste
Activity, and Part A Hazardous Waste Permit Application and Modification

1380.07

1380.12	Underground Storage Tanks: Technical and Financial Requirements,
and State Program Approval Procedures

Source:  	U.S. Environmental Protection Agency (USEPA), Information
Collection Request, Review, and Approval System (ICRAS).  Data obtained
on August 13, 2014.

Attachment C-4a

ICR Data Used to Update Number of Facilities Obtained from CROMERR CBA

Air Programs

Attachment C-4b

ICR Data Used to Update Number of Facilities Obtained from CROMERR CBA

Water Programs

Attachment C-4c

ICR Data Used to Update Number of Facilities Obtained from CROMERR CBA

Waste, USTs, Emergency Planning Programs

Attachment C-5

Number of Establishments (Facilities) by Employment Size, 2011

STATE	Less than 20 Employees	20 or More Employees	Total

United States	5,160,237	2,193,806	7,354,043

Alabama	63,531	34,212	97,743

Alaska	14,672	5,447	20,119

Arizona	87,427	42,878	130,305

Arkansas	43,523	20,948	64,471

California	620,726	228,590	849,316

Colorado	110,895	39,994	150,889

Connecticut	61,646	26,394	88,040

Delaware	15,928	8,204	24,132

District of Columbia	12,569	8,976	21,545

Florida	367,662	123,189	490,851

Georgia	146,828	67,807	214,635

Hawaii	21,295	10,177	31,472

Idaho	31,493	10,906	42,399

Illinois	221,285	91,152	312,437

Indiana	93,609	49,870	143,479

Iowa	54,344	25,769	80,113

Kansas	49,554	24,044	73,598

Kentucky	58,367	31,403	89,770

Louisiana	68,736	34,480	103,216

Maine	29,446	10,666	40,112

Maryland	91,698	41,550	133,248

Massachusetts	118,936	50,210	169,146

Michigan	151,473	65,871	217,344

Minnesota	101,406	43,200	144,606

Mississippi	38,705	19,887	58,592

Missouri	99,894	47,380	147,274

Montana	27,970	7,717	35,687

Nebraska	35,862	15,691	51,553

Nevada	39,689	19,088	58,777

New Hampshire	26,003	11,028	37,031

New Jersey	170,203	56,675	226,878

New Mexico	29,748	14,112	43,860

New York	404,335	117,202	521,537

North Carolina	145,815	69,298	215,113

North Dakota	15,765	6,605	22,370

Ohio	161,735	88,741	250,476

Oklahoma	62,095	27,654	89,749

Oregon	76,997	29,343	106,340

Pennsylvania	199,334	96,386	295,720

Rhode Island	20,622	7,559	28,181

South Carolina	66,893	33,588	100,481

South Dakota	18,501	6,993	25,494

Tennessee	81,870	47,619	129,489

Texas	346,994	178,426	525,420

Utah	50,110	18,637	68,747

Vermont	15,984	5,206	21,190

Virginia	127,999	63,064	191,063

Washington	126,548	46,963	173,511

West Virginia	24,565	13,585	38,150

Wisconsin	93,519	44,526	138,045

Wyoming	15,433	4,896	20,329

Source:	U.S. Census Bureau, “Number of Firms, Number of
Establishments, Employment, and Annual Payroll by Enterprise Employment
Size for the United States and States, Totals:  2011,” December 2013.
Available online at:    HYPERLINK "http://www.census.gov/econ/susb/"
http://www.census.gov/econ/susb/ , last accessed on October 12, 2014.
These are the latest Statistics of U.S. Businesses (SUSB) annual data.

Attachment C-6

Application of Methodology to Existing Receiving Systems

Attachment C-7

Application of Methodology to New Receiving Systems

  In this document, EPA is using the term “electronic reporting” in
a sense that excludes submission of a report via magnetic media, (i.e.,
via diskette, compact disc, or tape).  EPA is also excluding
transmission via hard copy facsimile.  Likewise, EPA’s use of the term
“electronic document” throughout this document refers exclusively to
documents that are transmitted via a telecommunications network,
excluding hard copy facsimile.

  Title XVII of Pub. L. 105 277.

  Bureau of Labor Statistics; “Table 4. Employment Cost Index for
total compensation, for civilian workers, by occupational and
industry;” Employment Cost Index, Historical Listing – Volume V,
Continuous Occupational and Industry Series, September 1975 –June
2014;July 2014.  Available online at:   HYPERLINK
"http://www.bls.gov/web/eci/ecicois.pdf"
http://www.bls.gov/web/eci/ecicois.pdf , last accessed on October 8,
2014.  Civilian Workers, All Workers, March 2011=114.0 and June 2014=
121.4.

  Bureau of Labor Statistics, “Table 7. Employment Cost Index for
total compensation, for State and local government workers, by
occupational and industry,” Employment Cost Index, Historical Listing
– Volume V, Continuous Occupational and Industry Series, September
1975 –June 2014;July 2014.  Available online at:   HYPERLINK
"http://www.bls.gov/web/eci/ecicois.pdf"
http://www.bls.gov/web/eci/ecicois.pdf , last accessed on October 8,
2014.  State and Local Government Workers, All Workers, March 2011=116.6
and June 2014= 123.1.

  Bureau of Labor Statistics, “Table 24. Historical Consumer Price
Index for All Urban Consumers (CPI-U): U. S. city average, all items,”
CPI Detailed Report for August 2014; August 2014.  Available online at:
http://www.bls.gov/cpi/cpid1408.pdf, last accessed on October 8, 2014.
April 2011=224.906 and August 2014=237.852.

  U.S. Postal Service; “First-Class Mail Prices.”  Available online
at:    HYPERLINK "https://www.usps.com/2014/mailing/m-fcm-retail.xls"
https://www.usps.com/2014/mailing/m-fcm-retail.xls , last accessed on
October 8, 2014.

  U.S. Postal Service; “Extra Services Prices.”  Available online
at:    HYPERLINK
"https://www.usps.com/2014/mailing/m-dom-extra-services.xls"
https://www.usps.com/2014/mailing/m-dom-extra-services.xls , last
accessed on October 8, 2014.

  Standard business envelope cost based on current market price, as of
October 8, 2014 (i.e., box of 500 standard business envelopes with
gummed closure at $15.59).

   U.S. Postal Service; “First-Class Mail Prices.”  Available online
at:    HYPERLINK "https://www.usps.com/2014/mailing/m-fcm-retail.xls"
https://www.usps.com/2014/mailing/m-fcm-retail.xls , last accessed on
October 8, 2014.

  Standard business envelope cost based on current market price, as of
October 8, 2014 (i.e., box of 500 standard business envelopes with
gummed closure at $15.59).

  Bureau of Labor Statistics, “Table 24. Historical Consumer Price
Index for All Urban Consumers (CPI-U): U. S. city average, all items,”
CPI Detailed Report for August 2014; August 2014.  Available online at:
  HYPERLINK "http://www.bls.gov/cpi/cpid1408.pdf"
http://www.bls.gov/cpi/cpid1408.pdf , last accessed on October 8, 2014.
April 2011=224.906 and August 2014=237.852.

   U.S. Postal Service; “First-Class Mail Prices.”  Available online
at:    HYPERLINK "https://www.usps.com/2014/mailing/m-fcm-retail.xls"
https://www.usps.com/2014/mailing/m-fcm-retail.xls , last accessed on
October 8, 2014.

   U.S. Postal Service; “Extra Services Prices.”  Available online
at:    HYPERLINK
"https://www.usps.com/2014/mailing/m-dom-extra-services.xls"
https://www.usps.com/2014/mailing/m-dom-extra-services.xls , last
accessed on October 8, 2014.

  Catalog envelope cost based on current market price, as of October 8,
2014 (i.e., box of 100 6” x 9” brown kraft catalog envelopes with
gummed closure at $13.29).

  US Office of Personnel Management, “Base Hourly Rate,” 2014
General Schedule (Base), January 2014.  Available online at:   HYPERLINK
"http://www.opm.gov/policy-data-oversight/pay-leave/salaries-wages/salar
y-tables/pdf/2014/GS_h.pdf"
http://www.opm.gov/policy-data-oversight/pay-leave/salaries-wages/salary
-tables/pdf/2014/GS_h.pdf , last accessed on October 8, 2014.

  Based on data current as of October 13, 2014.

  Based on data current as of September 10, 2014.

  Addressing State/Local agencies as “respondents” is consistent
with EPA’s interpretation of the definition of respondent in the PRA.

  Ibid.

  Ibid.

  This assumption was taken from Cross-Media Electronic Reporting and
Records Rule (CROMERRR) Cost Benefit Analysis, Final, dated November 17,
2004.

  This assumption was taken from Cross-Media Electronic Reporting and
Records Rule (CROMERRR) Cost Benefit Analysis, Final, dated November 17,
2004.

  PSM is a custom implementation of a Salesforce.com platform that
integrates database records, online file storage, multiple distinct
spreadsheets, and email logs, to support the reduction of Technical
Review Committee (TRC) and EPA’s Office of Environmental Information
(OEI) levels of effort in managing the application approval process.
Data current as of October 9, 2014.

  Ibid.

  This assumption was taken from Section <IP_ADDRESS> (page 29) of
Cross-Media Electronic Reporting and Records Rule (CROMERRR) Cost
Benefit Analysis, Final, dated November 17, 2004.

  Ibid.

  Refer to Section 6(d) for additional clarification on the types of
respondents examined in this ICR.

  “Existing electronic document receiving system” means an
electronic document receiving system that is being used to receive
electronic documents in lieu of paper to satisfy requirements under an
authorized program on October 13, 2005 or the system, if not in use, has
been substantially developed on or before that date as evidenced by the
establishment of system services or specifications by contract or other
binding agreement (40 CFR 3.3).  Pursuant to 40 CFR 3.1000(a)(3),
States/Locals with an existing electronic document receiving system for
an authorized program must submit an application to revise or modify
such authorized program in compliance with 40 CFR 3.1000(a)(1) no later
than January 13, 2010.

  “New electronic document receiving system” refers to an electronic
document receiving system that was not being used to receive electronic
documents in lieu of paper to satisfy requirements under an authorized
program on October 13, 2005 or the system, if not in use, that had not
been substantially developed on or before that date.  Pursuant to 40 CFR
3.1000(a)(2), States/Locals with new electronic document receiving
systems must receive EPA approval of revisions or modifications to the
authorized program before the program may receive electronic documents
in lieu of paper documents to satisfy program requirements.

  U.S. Census Bureau, “Number of Firms, Number of Establishments,
Employment, and Annual Payroll by Enterprise Employment Size for the
United States and States, Totals:  2011,” December 2013.  Available
online at:    HYPERLINK "http://www.census.gov/econ/susb/"
http://www.census.gov/econ/susb/ , last accessed on October 12, 2014.
These are the latest Statistics of U.S. Businesses (SUSB) annual data.

  Bureau of Labor Statistics; Quarterly Census of Employment and Wages;
Number of Employees (US Total, All Industries, All Establishment Sizes,
All Employees); 2013 (Annual).  Available online at:    HYPERLINK
"http://data.bls.gov/pdq/querytool.jsp?survey=en"
http://data.bls.gov/pdq/querytool.jsp?survey=en , last accessed on
October 12, 2014.

 PAGE

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Attachment C-1 (continued)

Number of Existing and New State/Local Electronic Document

Receiving Systems, by State Environmental Program

(also referred to as the “Master Table”)

C-  PAGE   \* MERGEFORMAT  6

C-  PAGE   \* MERGEFORMAT  11

C-  PAGE   \* MERGEFORMAT  11

C-  PAGE   \* MERGEFORMAT  14

Attachment C-5 (continued)

Number of Establishments (Facilities) by Employment Size, 2011

C-  PAGE   \* MERGEFORMAT  16

Attachment C-6 (continued)

Application of Methodology to Existing Receiving Systems

C-  PAGE   \* MERGEFORMAT  17


[Federal Register Volume 82, Number 63 (Tuesday, April 4, 2017)]
[Notices]
[Pages 16469-16470]
[FR Doc No: 2017-06618]

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DEPARTMENT OF TRANSPORTATION

Federal Motor Carrier Safety Administration

Electronic Logging Device Technical Specification Public Meeting

AGENCY: Federal Motor Carrier Safety Administration (FMCSA), DOT.

ACTION: Notice of public meeting.

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SUMMARY: FMCSA announces a public meeting to discuss the technical
specifications in Appendix A to Subpart B of part 395, Functional
Specifications for All Electronic Logging Devices (ELDs), as published
in the ``Electronic Logging Devices and Hours of Service Supporting
Documents'' Final Rule (ELD Rule). This meeting will be a forum for
discussion of the minimum requirements for ELDs and is being held to
help manufacturers produce ELDs that will comply with the ELD Rule.

DATES: The public meeting will take place on Tuesday, May 9, 2017, from
9:30 a.m. to 1:30 p.m., Eastern Time (E.T.). A copy of the agenda for
the meeting will be available in advance of the meeting at https://www.regonline.com/builder/site/?eventid=1953139.

ADDRESSES: The meeting will be held at the U.S. DOT Headquarters
Building, 1200 New Jersey Avenue SE., Washington, DC 20590. Those
interested in attending this public meeting must register at: https://www.regonline.com/builder/site/?eventid=1953139 by April 25, 2017.
Attendees should arrive at the U.S. DOT Headquarters Building by 8:30
a.m. to allow sufficient time to clear security. FMCSA requests that
questions

be submitted in advance to<EMAIL_ADDRESS>
FOR FURTHER INFORMATION CONTACT: LaTonya Mimms, Transportation
Specialist, Enforcement Division, FMCSA. Ms. Mimms may be reached at
202-366-0991 and by email at<EMAIL_ADDRESS>    Services for Individuals with Disabilities: For information on
facilities or services for individuals with disabilities or to request
special assistance at the meeting, contact Ms. LaTonya Mimms at 202-
366-0991 or by email at<EMAIL_ADDRESS>by April 25, 2017.

SUPPLEMENTARY INFORMATION:

Background

    On December 16, 2015, FMCSA published a final rule concerning ELDs
(80 FR 78292). The final rule included detailed performance and design
requirements for ELDs to ensure the devices produce accurate, tamper-
resistant records with a uniform file format and consistent displays.
The ELD technical specifications from the ELD Rule are codified in
Appendix A to Subpart B of part 395 of Chapter 49 of the Code of
Federal Regulations. ELD manufacturers are required to self-certify
that their devices comply with the ELD Rule and register the devices
with FMCSA. Motor carriers subject to the ELD Rule are required to
operate registered ELDs by the compliance date of December 18, 2017.
Motor carriers that operate with automatic onboard recording devices
(AOBRDs) prior to December 18, 2017 and are subject to the ELD Rule,
have until December 16, 2019 to transition from AOBRDs to ELDs. A list
of self-certified and registered ELDs can be found at https://3pdp.fmcsa.dot.gov/ELD/ELDList.aspx.

Meeting Information

    This meeting is intended to address questions received from ELD
manufacturers and to review the required standardized output and
standardized data sets. The meeting agenda is available on the
registration site.

    Issued on: March 27, 2017.
Daphne Y. Jefferson,
Deputy Administrator.
[FR Doc. 2017-06618 Filed 4-3-17; 8:45 am]
 BILLING CODE 4910-EX-P


[Federal Register Volume 87, Number 83 (Friday, April 29, 2022)]
[Notices]
[Page 25509]
[FR Doc No: 2022-09260]

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DEPARTMENT OF HOMELAND SECURITY

Federal Emergency Management Agency

[Internal Agency Docket No. FEMA-3576-EM; Docket ID FEMA-2022-0001]

Tennessee; Amendment No. 2 to Notice of an Emergency Declaration

AGENCY: Federal Emergency Management Agency, DHS.

ACTION: Notice.

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

SUMMARY: This notice amends the notice of an emergency declaration for
the State of Tennessee (FEMA-3576-EM), dated December 13, 2021, and
related determinations.

DATES: This change occurred on April 1, 2022.

FOR FURTHER INFORMATION CONTACT: Dean Webster, Office of Response and
Recovery, Federal Emergency Management Agency, 500 C Street SW,
Washington, DC 20472,<PHONE_NUMBER>.

SUPPLEMENTARY INFORMATION: The Federal Emergency Management Agency
(FEMA) hereby gives notice that pursuant to the authority vested in the
Administrator, under Executive Order 12148, as amended, Robert A.
Haywood, of FEMA is appointed to act as the Federal Coordinating
Officer for this emergency.
    This action terminates the appointment of Myra M. Shird as Federal
Coordinating Officer for this disaster.

    The following Catalog of Federal Domestic Assistance Numbers
(CFDA) are to be used for reporting and drawing funds: 97.030,
Community Disaster Loans; 97.031, Cora Brown Fund; 97.032, Crisis
Counseling; 97.033, Disaster Legal Services; 97.034, Disaster
Unemployment Assistance (DUA); 97.046, Fire Management Assistance
Grant; 97.048, Disaster Housing Assistance to Individuals and
Households In Presidentially Declared Disaster Areas; 97.049,
Presidentially Declared Disaster Assistance--Disaster Housing
Operations for Individuals and Households; 97.050, Presidentially
Declared Disaster Assistance to Individuals and Households--Other
Needs; 97.036, Disaster Grants--Public Assistance (Presidentially
Declared Disasters); 97.039, Hazard Mitigation Grant.

Deanne Criswell,
Administrator, Federal Emergency Management Agency.
[FR Doc. 2022-09260 Filed 4-28-22; 8:45 am]
BILLING CODE 9111-23-P


Page 1 of 21 March 25, 2005 MEMORANDUM SUBJECT: Document to Support the FIFRA Scientific Advisory Panel Meeting on TSCA Inventory Nomenclature for Enzymes and Proteins FROM: Neil Patel, Associate Director Economics, Exposure and Technology Division Office of Pollution Prevention and Toxics TO: Clifford Gabriel, Director Office of Science Coordination and Policy Attached is the supporting document for the FIFRA Scientific Advisory Panel Meeting on TSCA Inventory Nomenclature for Enzymes and Proteins scheduled for May 3 4, 2005 at the Holiday Inn Rosslyn at Key Bridge. The attached document is: Treatment of Enzymes on the TSCA Chemical Inventory. U. S. Environmental Protection Agency ( 2005). If you have any questions, please contact Dr. Henry Lau at 564 8572 or myself at 564 8804.

Attachment Page 2 of 21 Treatment of Enzymes on the TSCA Chemical Inventory I. ISSUE EPA's Office of Pollution Prevention and Toxics ( OPPT) is responsible for implementing the Toxic Substances Control Act ( TSCA). It requires EPA to ensure that chemicals sold and used in the United States pose no unreasonable risks to human health or the environment. TSCA also requires EPA to maintain a list of all chemicals existing in U. S. commerce as a way to identify new substances that should be reviewed for potential risks.

In 1977, EPA promulgated the Inventory Reporting Regulations that provided the basis for the first compilation of the TSCA Chemical Substance Inventory (" the TSCA Inventory" or " the Inventory"). It listed more than 62,000 substances, including about 150 enzymes. The 1977 regulations did not specifically address how enzymes should be identified when reported to EPA. Consequently, most enzymes were only broadly defined, with some individual listings actually describing a whole category of commercial enzymes. EPA is therefore unable to identify when an enzyme is " new" and should be subject to Premanufacture Notification ( PMN) reporting requirements that enable the Agency to review new chemicals before introduction into U. S. commerce. Specific reporting guidance for enzymes is needed so that enzymes will be accurately, uniquely, and unambiguously identified on the TSCA Inventory.

EPA is currently working to develop an improved and standardized method of identifying proteinaceous enzymes ( hereafter " enzymes") on the TSCA Inventory so that each Inventory listing will cover only one enzyme. EPA issued an Advanced Notice of Proposed Rulemaking ( ANPR) in November 2004 that outlined its proposed approach to enzyme identification, and solicited comment on all aspects of the proposal. In the ANPR, EPA proposed that enzymes be identified using information on function, source, processing, and sequence. EPA is convening a group of technical experts under the aegis of the Scientific Advisory Panel to evaluate several scientific and technical issues associated with this proposal.

II. THE TSCA INVENTORY Congress recognized during its development of TSCA that very little was known about chemicals in commercial use. When TSCA was enacted in 1976, it was not even known how many chemicals there were, in what quantities or where they were produced, what their byproducts or impurities were, or who was exposed to them under what conditions. Therefore, Congress gave EPA the authority to compile an Inventory of existing chemical substances and to develop additional information on these basic questions.

The first inventory was published in 1979, based on information reported to EPA by chemical manufacturers, importers, and processors. The Inventory  to which new chemicals are added when they go into production  shows now that over 82,000 commercial chemical substances are, or have been, manufactured or imported into the United States since January 1, 1975. ( Most of Page 3 of 21 the more than twenty two million known chemical substances in existence are excluded from TSCA reporting, such as those substances used only for research and development1.)

It is important to note that the Inventory is not a list of toxic or hazardous chemicals. Rather, it lists existing chemicals, generally by their specific chemical name, giving an overall picture of the chemicals used for commercial purposes in the United States. Chemicals not on the Inventory and not specifically excluded from TSCA's regulatory authorities or exempt from PMN reporting must be reviewed by EPA under the PMN program before they are allowed into U. S. commerce.

Premanufacture notices submitted for new chemicals or significant new uses of existing chemicals are to include: the specific chemical identity ( the chemical name) of the substance; its molecular structure and molecular formula; proposed categories of use; an estimate of the amount to be manufactured, imported, or processed; its impurities; the byproducts resulting from the manufacture, processing, use, and disposal of the chemical; estimates of the exposure; and any available test data related to the health and environmental effects of the chemical. Inventory names are developed from this information according to a rigorous, comprehensive set of nomenclature rules to ensure that a single, unique, and unambiguous name can be constructed for each chemical substance. In most cases, the preferred Chemical Abstracts ( CA) Index Name for a substance contains sufficient information to reflect a specific, corresponding chemical structure.

Some substances listed on the Inventory are tagged to indicate that their preferred CA Index Names are not sufficient or complete enough to permit unambiguous identification of the substance. For such substances, the Inventory lists a supplemental definition. Definitions may include a genus/ species or identity of other types of source material, the nature of the process by which the substance was manufactured or processed , the predominant components, and characterizing physical data such as approximate boiling point range. The information EPA is proposing to require for identification of enzymes on the TSCA Inventory is thus similar to information that is already provided for other substances when it is needed to create a unique, unambiguous description. More detailed information about current Inventory practices and examples of current Inventory listings are available in Appendix I.

III. CURRENT TSCA INVENTORY LISTING CONVENTIONS FOR ENZYMES Enzymes currently on the TSCA Inventory are identified by a Chemical Abstracts Service ( CAS) Registry Number2 and Chemical Abstracts ( CA) Index Name3 with supplemental definitions of 1 Eight product categories are exempt from TSCA's regulatory authorities: pesticides, tobacco and tobacco products, certain nuclear materials, firearms and ammunition, food, food additives, drugs, and cosmetics. Many of these product categories are regulated under other Federal laws. Chemicals produced in small quantities solely for research and development purposes are also exempt. In addition, any person may apply for an exemption from PMN reporting for chemicals used solely for test marketing purposes or for those determined by EPA not to present an unreasonable risk of injury to human health or the environment.

2 A CAS Registry Number is included for each nonconfidential substance on the Inventory. CAS Registry Numbers are assigned in sequential order as new substances are entered into the CAS Registry File. Each Registry Number in the TSCA inventory designates only one chemical substance in terms of numbers and types of atoms, the bonding between atoms, and stereochemistry, insofar as that substance has been Page 4 of 21 varying detail. These listings are based on information that submitters provided to EPA without having any agency guidance as to the type or specificity of information that should be included in enzyme descriptions.

In general, the type of information included in current enzyme listings consists solely of the category of the enzyme's catalytic activity ( although in a few cases supplemental definitions include additional information such as source, identity of co factors, or processing techniques used in the enzyme's production). Enzyme catalytic activity has historically been the basis for CAS and other enzyme nomenclature systems. Often a new catalytic activity is discovered before anything is known about the structure of the catalyst. In addition, a satisfactory, systematic nomenclature for protein structures that is useful for EPA's regulatory purposes does not yet exist.

Using function to identify enzymes on the TSCA Inventory is an approach that differs substantially from that used for other listed chemicals. CA Index Names generally allow derivation of the chemical structure ( or as much of the chemical structure as is known). Structure provides a way to unambiguously identify chemicals so that they can be differentiated and thus new chemicals can be recognized. Function allows no such differentiation because often several structurally diverse enzymes have the same function. Thus, even under ideal circumstances, a function based enzyme nomenclature system would inappropriately subsume multiple enzymes under a single listing on the TSCA Inventory. This problem is compounded on the current TSCA Inventory because many descriptions of enzyme function that were submitted to EPA defined only the most general catalytic activity of the enzyme ( e. g., proteinase). Both the type and specificity of information included in current enzyme names on the Inventory therefore create listings that often encompass several enzymes that have structural differences and are recognized to be distinct products. In fact, most new commercial enzymes that are created, regardless of similarity or lack thereof, could be subsumed under one of the current listings.

IV. REASONS TO UPDATE CURRENT TSCA INVENTORY LISTING CONVENTIONS FOR ENZYMES EPA believes that current reporting conventions do not allow the Agency to fulfill its obligation to identify and review new enzymes before they are manufactured or used in the United States. Enzyme listings must allow the Agency to determine that an enzyme is new and is therefore subject to reporting requirements under TSCA so that the Agency could review the chemical for potential risks to human health or the environment. Enzymes are used in a wide variety of products and industries including detergents; cleansing and degreasing agents; leather, textiles,

elucidated or defined. The fact that a substance has been assigned a CAS Registry Number does not define the substance as being on the TSCA Inventory. The non confidential portion of the TSCA Inventory includes only approximately 80,000 substances in the CAS Registry File, which represents less than one percent of the total number of CAS Registry Numbers.

3 Preferred CA Index Names are derived according to a rigorous, comprehensive set of nomenclature rules to ensure that a single, preferred name can be constructed for each chemical substance. For substances that have definite chemical structures, the preferred CA Index Name contains sufficient information to permit derivation of those structures. Page 5 of 21 and paper manufacturing industries; waste degradation; oil recovery; and biosensing. Many of these uses expose large populations to products containing enzymes, and the potential exposure is constantly increasing as new enzymes and uses are discovered. Nevertheless, the risk implications of many enzymes produced since the initial Inventory compilation have not been evaluated by EPA because the current enzyme listings do not allow the Agency to differentiate among many widely disparate enzymes currently in commerce. Broad Inventory listings that may encompass hundreds or even thousands of distinct substances prevent the Agency from fulfilling the mandate of TSCA by undermining EPA review of all new chemicals.

Broad Inventory listings also lead to uncertainty for EPA and the regulated community. The lack of clarity surrounding enzyme listings has led to an increasing number of inquiries from chemical manufacturers who need assistance in determining whether an enzyme they plan to manufacture is already listed on the Inventory or whether they will have to submit a PMN notification to the Agency. Resolving this uncertainty creates an unnecessary burden for both EPA and the regulated community, as the Agency must make a case by case determination for each enzyme, many of which are ultimately found to be subsumed under a current Inventory listing.

V. CHALLENGES ASSOCIATED WITH LISTING ENZYMES ON THE TSCA INVENTORY The current function based approach for listing enzymes on the Inventory has become increasingly inadequate for TSCA Inventory listings as the number and diversity of enzymes has grown. A disparate set of enzymes may share a single enzymatic function, even one that is narrowly defined. However, there is no other standard, scientifically recognized nomenclature system for enzymes with which to replace the current function based system. For non enzymatic chemicals, EPA relies heavily on a structural approach to identification. However, adopting a strictly structure based approach for enzymes on the Inventory would be impractical.

Proteinaceous enzymes consist of polypeptide chains. The amino acid sequence ultimately determines how the chains fold to form three dimensional ( 3 D) structures with active sites for binding to particular substrates. In some enzymes, proteins are the only structural components. However, most enzymes also contain covalently bonded, non protein moieties such as carbohydrates that can have a significant effect on an enzyme's 3 D structure and function. Other important factors include metal ions ( called cofactors) and low molecular weight organic molecules ( called coenzymes).

A complete structural description of an enzyme would need to describe, at a minimum, the complete amino acid sequence and the location and identity of all non protein moieties. Determination of such a precise description would be technically difficult. However, even if this information were readily available, such a detailed description would so finely differentiate enzymes, that even enzyme preparations that are considered the same for all practical purposes would have unique identities. As is the case for most biological substances, a certain degree of genetic variation can be accommodated without altering the function or three dimensional structure of an enzyme. Page 6 of 21 Genetic variation in what is consistently considered to be a single enzyme can arise at least three different ways: 1) an enzyme sample may contain differences due to inherent genetic variability within the population of an organism serving as production source at any point in time, 2) an enzyme sample may change over time as the genetics of the predominant organism serving as production source change, and 3) fluctuations in environmental conditions during enzyme production may produce variation.

V. A. Inherent genetic variability of the source organism Most commercial enzymes are produced by microbial fermentation of bacteria or fungi. A large population of microorganisms must be cultured to enable production of a sufficient quantity of enzyme product. A bacterial population may have a spontaneous mutation frequency of 10 6 or 10 7 mutations per gene per generation. With a production volume of up to 100,000 liters at a density of 1012 colony forming units per milliliter, the fermenting population is likely to contain genetic variation at any point in time, even when accounting for DNA repair mechanisms. This variation may result in some members of the population producing slightly different enzyme structures from the same genetic locus. The result is an enzyme preparation generally dominated by one structure but containing inherent variability.

Enzymes may also be produced by extraction and isolation from plant or animal sources, for example, from swine pancreatic tissue or from papaya. Natural genetic variation will exist within a populations of plants and animals that may lead to inherent variation in these types of enzyme preparations as well.

V. B. Variability of the source organism over time Even when initial variation within a cell culture is minimized, continued growth of the microorganism population throughout enzyme production provides opportunity for the introduction of genetic variation through mutation. Just as with any population, genetic drift ( changes in allele frequency due to chance alone) and selection ( changes in allele frequency due to differential survival of organisms that are better able to use environmental resources) may cause the precise genetic makeup of the population to change over an extended production period. Changes in the composition of the source population over time may yield slightly different enzyme structures throughout the production period unless regular quality control adjustments are made. The significance of the specific genomic location of these genetic changes will vary. Some point mutations will produce no change in the amino acid sequence of the enzyme, while others may produce a conformational change. The latter may not necessarily affect specific enzymatic activity and could thus evade detection if only enzymatic function were evaluated.

V. C. Variability produced by differences in production conditions Page 7 of 21 Enzyme structure may also be affected by environmental conditions during enzyme production. The goal of a given production facility will generally be to maintain constant conditions to the extent possible. However, variation in enzyme product may be caused by changes in pressure, density of the population, substrate availability, osmotic pressure, aeration, and oxygen availability among other factors. Quality control may involve ensuring that the final enzyme product has the desired functionality but is unlikely to involve verification of the enzyme structure in spite of probable non sequence structural variations.

V. D. Apparent variability In addition to the actual variation in an enzyme sample, variation will appear to occur due to limitations in our ability to accurately determine and describe an enzyme's structure, limitations that are exacerbated by the relative impurity of many enzyme preparations. Product impurity and other sample preparation problems can lead to incomplete or reduced quality sequence information.

Some enzyme products may be highly purified materials for analytical or medical use. Other applications may require only very crude preparations such as ground and/ or extracted plant material or animal organs. Such crude products are likely to contain only small amounts of the active enzyme with a large proportion of by products. Purification is only attempted if a more concentrated or purer product is desired because each purification step reduces the total yield. To retain the activity in commercial preparations, stabilizing agents and/ or preservatives are typically added to ensure the maintenance of the native conformation by preventing unfolding of the protein and/ or its degradation by other enzymes. Some commercial enzyme preparations may consist of enzyme mixtures, either by intent or through a lack of purification. Impurities and byproducts in enzyme preparations may impede the accurate description of the enzyme structure.

VI. EPA'S PROPOSED APPROACH FOR ENZYME IDENTIFICATION ON THE TSCA INVENTORY EPA wants to establish TSCA nomenclature guidance for enzymes that enables the Agency to unambiguously differentiate among enzymes while taking into account the challenges associated with fitting enzymes into a structure based system. EPA has developed an approach it believes balances these concerns. EPA intends to use a combination of four elements to create an enzyme's name for listing on the TSCA Inventory: function, sequence, source, and processing ( described below). A supplemental description would be part of an enzyme's identity on the Inventory that would incorporate information about each of these characteristics at a level of detail that must still be determined.

None of the four identification elements alone would be adequate to unambiguously describe an enzyme. Historically, function has been used but has proved to be inadequate for EPA to be able to determine clearly and unambiguously whether a potential new enzyme is already listed on the Inventory. Adoption of a strictly structure based approach for enzyme identification would complicate the differentiation among enzymes by often requiring Page 8 of 21 unnecessary detail. EPA's approach for enzyme identification would retain function as part of enzyme identity to avoid confusion that could result from complete departure from conventional enzyme nomenclature and because function provides useful information. In addition, using one aspect of enzyme structure ( amino acid sequence) along with certain source and processing information would provide an appropriate amount of both direct and indirect information about enzyme structure to differentiate enzymes and allow review of unique products.

In convening this expert panel, EPA is soliciting scientific input on how and to what degree changes in each of these elements affects the chemical identity of enzymes. This information is critical to the Agency

s efforts to develop a nomenclature system that will enable EPA to discriminate among distinct chemical substances.

VI. A. Function The FUNCTION of an enzyme refers to its catalytic activity. Internationally accepted nomenclature conventions of the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology ( NC IUBMB) describe and differentiate enzymes based on this catalytic activity4. The NC IUBMB assigns enzymes a code number designated by the prefix EC. The code number is based on the reaction catalyzed by the enzyme, the nature of the bond involved, and the substrate acted upon. Enzymes with different amino acid sequences may be assigned the same EC code. EPA intends to incorporate function into enzyme identity on the TSCA Inventory by using these EC codes and the associated function descriptor( s).

Using function follows historically important enzyme nomenclature conventions of the NCIUBMB that are scientifically accepted, readily interpretable, and widely used for enzyme identification. Although EPA has determined that function alone is not sufficient for describing an enzyme's identity for regulatory purposes, the Agency believes it would be a necessary component of enzyme identity. Information about the type of reaction catalyzed by an enzyme indicates potential and likely uses for the enzyme. A description of function is the only way that multiple catalytic activities in a single enzyme may be identified. Finally, information about function is readily available and would require little additional effort to provide it to EPA. The Agency is seeking guidance as to how specifically function should be described to uniquely identify enzymes if function were to be a part of the enzyme definition.

VI. B. Amino Acid Sequence The AMINO ACID SEQUENCE of an enzyme polypeptide chain is known as its primary structure. It is a systematic representation of the linear sequence of amino acids that are connected via amide bonds to form a polypeptide. Sequence information is a precise way to characterize the primary structure of an enzyme, and it provides information that is analogous to the structural 4 For more information about classification and nomenclature of enzyme catalyzed reactions by the IUBMB, see http:// www. chem. qmul. ac. uk/ iubmb/ enzyme/ rules. html Page 9 of 21 information that EPA uses to differentiate among most standard chemicals. In addition, changes in sequence may lead to changes in important chemical properties that should be reviewed by the Agency. The Agency is seeking guidance as to how much variation in amino acid sequence would be appropriate to uniquely identify enzymes if amino acid sequence were to be a part of the enzyme definition.

VI. C. Source The SOURCE of an enzyme would refer to ( 1) the organism from which the gene encoding the enzyme was derived, i. e., the original source and ( 2) the organism or manufacturing platform ( e. g., tissue culture) in which the enzyme is produced, i. e., the production source. Given that post translational processes ( including but not limited to methylation and glycosylation) may vary with the source and can affect the chemical properties of an enzyme, EPA anticipates that information about an enzyme

s source will be useful in precisely and unambiguously identifying and distinguishing between enzymes.

Using production source information for identification of enzymes is consistent with current practices of the scientific community, enzyme manufacturers, and protein database repositories. Source may provide information about differences in chemical structure or chemical properties, including post translational changes associated with different production sources that would not be reflected in the amino acid sequence. Source information may also allow identification of potential impurities or byproducts associated with particular organisms or manufacturing platforms. Such indirect information about chemical structure or properties would be particularly important when product purity or technical difficulties make obtaining accurate sequence information difficult or even impossible. Finally, as with function, source information is readily available to submitters. The Agency is seeking guidance as to how specifically original and production source should be described to uniquely identify enzymes, if original and/ or production source were to be a part of the enzyme definition.

VI. D. Processing The PROCESSING of an enzyme refers to procedures used to isolate the enzyme from the production organism or manufacturing platform, procedures used to purify the enzyme, and/ or any chemical reactions to which the enzyme is subjected to produce the final enzyme product. Certain processing information would enable EPA to identify chemical differences among enzymes that resulted from the way in which they were isolated and purified. Certain processes may change chemical properties such as structure, product stability, efficacy, and use. The use of certain processing information would allow identification and review of modified enzymes and corresponding reaction byproducts that result from the chemical treatment and would enable EPA to review new techniques for isolating and modifying enzymes. The Agency is seeking guidance as to what processing techniques would be appropriate to include and at what level of detail they should be described to uniquely identify enzymes if processing were to be included as part of the enzyme definition. Page 10 of 21 Page 11 of 21 Questions for the SAP Panel EPA is proposing the use of four data elements ( function, sequence, source, and processing) for comprehensively listing and distinguishing among enzymes on the TSCA Inventory. The following questions are intended to help the Agency make a final decision on how enzymes will be listed on the Inventory in the future.

Function The FUNCTION of an enzyme refers to its catalytic activity. Internationally accepted nomenclature conventions of the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology ( NC IUBMB) describe and categorize enzymes based on their function. The NC IUBMB assigns enzymes an Enzyme Committee ( EC) code number based on the specific reaction( s) catalyzed by the enzyme, the nature of the bond involved, and the substrate acted upon. EPA intends to incorporate function into TSCA Inventory enzyme listings by using these EC codes and the systematic name for the specific catalytic activity. In the questions below, please identify the scientific merit for using function information to differentiate among enzymes and identify what level of detail regarding function would be scientifically appropriate for this purpose.

1. While the Agency recognizes the practical, historical advantages of using function to describe enzymes, in the context of the Agency's need for unique and unambiguous naming, what is the scientific rationale for identifying an enzyme based on the chemical reaction( s) it catalyzes?

2. How precise is the IUBMB EC categorizing system for describing enzyme function? For example, in addition to the EC function category to which an enzyme belongs, what additional information about enzyme structure and/ or chemical properties, if any, would be gained by a more detailed functional description that included a. enzyme reaction conditions ( e. g., pH range, reaction temperature range)?

b. non catalytic enzyme functions that are not represented by EC codes ( e. g., binding properties)?

c. other additional information about function that could be used to differentiate enzymes ( please specify what would be of value)?

3. The Agency is trying to gauge the probable comprehensiveness of enzyme catalytic function descriptions for subsequent enzyme reporting.

a. How common are multifunctional enzymes?

b. How frequently are new catalytic functions for existing enzymes discovered?

c. How good are existing models to assess the likelihood that an enzyme may have several catalytic functions?

d. What information is required to utilize such models? Page 12 of 21 Sequence The AMINO ACID SEQUENCE of an enzyme is known as its primary structure. It is a systematic representation of the linear sequence of amino acids that are connected via amide bonds to form a polypeptide. In the questions below, please consider what scientific support there is for using sequence information to differentiate among enzymes and what level of detail would be scientifically appropriate for this purpose.

4. What information about an enzyme could be gained by identifying it based on its amino acid sequence?

5. The Agency is trying to assess the expected amount of variation in an enzyme amino acid sequence due to various causes in spite of current quality control standards.

a. How much and what type of variation ( including substitutions, deletions, and additions) can be expected in the amino acid sequence of an enzyme produced in multiple batches that will arise due to unintended differences in production conditions? Estimate a percentage, number of residues, or other quantifiable measure of variation.

b. How much and what type of variation ( including substitutions, deletions, and additions) can be expected in the amino acid sequence of an enzyme within a given sample of a single production batch due to individual level variation in an enzyme producing population? Estimate a percentage, number of residues, or other quantifiable measure of variation.

c. How much and what type of variation ( including substitutions, deletions, and additions) can be expected in the amino acid sequence of an enzyme across multiple samples collected over time ( e. g., in microbial cultures stored for extended periods) due to changes in an enzyme producing population? Estimate a percentage, number of residues, or other quantifiable measure of variation.

i. Over what time scale will such variation arise? That is, is there a predictable relationship between the amount of variation and the length of time in culture?

ii. What kinds of changes might occur to an enzyme preparation if naturally occurring variants become the dominant component ( e. g., changes in rates of activity, reactions catalyzed, substrate range, response to environmental conditions)?

iii. Have any enzymes in commerce or research been known to change in amino acid sequence over time? Have any been known to remain unchanged in amino acid sequence for a year/ decade or longer?

6. EPA is trying to judge whether a scientifically appropriate level of maximum permissible overall amino acid sequence variation could be determined when identifying a specific enzyme.

a. What types of differences may exist among enzyme variants that differ by a single amino acid change? that differ in amino acid composition by 0.5%? 1%? 10%? etc.? Page 13 of 21 b. How much does the region of the enzyme in which the variation occurs matter? For example, how important are changes in the amino acid sequence of the active site versus the rest of the molecule? Are there other regions of the enzyme that are considered important, i. e., where sequence is generally conserved?

c. How important are deletions and/ or excisions in determining differences between enzymes?

d. How easy would it be for a typical enzyme manufacturer to determine the location of the active site or other specific regions mentioned in 6b?

7. EPA wants to assess the efficacy of existing sequencing technologies.

a. How accurate and reproducible are readily available amino acid sequencing techniques and instrumentation?

b. How accurate and reproducible are readily available nucleotide sequencing techniques and instrumentation?

c. Does the accuracy of the result depend on the choice of method?

d. How rapidly are sequencing techniques improving or new techniques being developed?

e. How reliably can one predict the amino acid sequence of the final gene product based on the nucleotide sequence?

8. What additional information would be gained, if any, by a more detailed structural description that included in addition to amino acid sequence:

a. glycosylation sites ( and the composition of these carbohydrate moieties),

b. coenzymes ( prosthetic groups),

c. cofactors, and/ or d. other post translational modifications to residues of the amino acid chain?

Source The SOURCE of an enzyme refers to ( 1) the organism from which the gene encoding the enzyme was derived, i. e., the original source and ( 2) the organism or manufacturing platform ( e. g., tissue culture) in which the enzyme is produced, i. e., the production source. In the questions below, please consider what scientific support there is for using source information to differentiate among enzymes and what level of detail would be scientifically appropriate for this purpose.

9. What information about an enzyme's structure could be gained by knowing a. the original source of the enzyme?

b. the production source of the enzyme?

10. If original source information were used as an identification element to discriminate among enzymes, what level of taxonomic specificity ( e. g., family, genus, species, subspecies, population, biovar, culture line) would be most scientifically appropriate to use for each of the following categories? What if production source information were used? ( Note: EPA recognizes that taxonomic revisions may change the names of particular organisms and can Page 14 of 21 utilize mechanisms for normalizing organism nomenclature, but that consideration does not need to be addressed by the panel.)

a. plants b. animals c. fungi d. bacteria e. other micro organisms 11. How could source be described if taxonomic names were inappropriate because either the original or production source were artificial? Examples of such new technologies could include enzymes produced/ developed through gene splicing or ex vivo chemical synthesis.

12. What information about an enzyme's structure could be gained by additional details about source including:

a. the particular tissue or organ of a given source organism from which they were derived ( e. g., swine pancreatic tissue vs. swine salivary glands)?

b. the chemical, geographic, and/ or environmental conditions from which source organisms were isolated ( e. g., soil, water, feces, etc.)?

c. manipulations of the enzyme

s original source prior to gene transfer ( e. g., through rDNA technology, radiation treatment, altered rearing conditions, etc.)?

d. manipulations of an enzyme

s production source prior to and/ or following gene transfer?

e. other relevant aspects of source that are not mentioned ( please specify what would be of value).

Processing The PROCESSING of an enzyme refers to procedures used to isolate the enzyme from the production organism or manufacturing platform, procedures used to purify the enzyme, and/ or any chemical reactions to which the enzyme is subjected to produce the final enzyme product. In the questions below, please consider what scientific support there is for using certain processing information to differentiate among enzymes and identify the level of detail that would be scientifically appropriate for this purpose.

13. What information about an enzyme's structure could be gained by knowing which of certain processing techniques were used in its production?

14. EPA anticipates that certain processing techniques may be so routine and/ or chemically inconsequential that their reporting would be unnecessary, while other processing techniques would have significant effects on the chemical structure and/ or properties of an enzyme. The Agency is trying to assess how practical it would be to create a list of processing techniques that need not be included as part of enzyme identity.

a. What processing techniques are used in the isolation and purification of enzymes? Page 15 of 21 b. Which processing techniques could change the chemical structure of the enzyme? Which could change chemical properties that would indicate an underlying structural change?

c. Describe the chemical or structural changes expected to occur from the use of the processing techniques identified in 14( b).

d. Which processing techniques would not be expected to cause any structural changes to the enzyme? Which would not be expected to cause any chemical property changes?

15. EPA is trying to anticipate whether inclusion of processing in enzyme identity will increase in importance as a result of future advances in enzyme production.

a. What new processing techniques are being developed?

b. How might these techniques change an enzyme's chemical structure or properties?

c. How frequently are new processing techniques for enzymes adopted?

Other/ General Questions:

16. Aside from function, sequence, source, and processing, are any other data elements crucial for enzyme identification?

17. Are there any special considerations that should be taken into account when identifying enzymes with multiple, non identical subunits? For example, a. when only one subunit is modified? b. when a modified enzyme is a component of an enzyme complex? c. when a multi functional, multi component enzyme performs a sequence of reactions? d. when an enzyme has another non catalytic function, e. g., a binding site? e. under any other circumstances?

18. Although EPA believes that all four identification elements are critical for enzyme identification for TSCA purposes, the Agency is trying to judge their relative importance. a. Do any data elements warrant greater emphasis than others because differences in those data element( s) reflect more significant differences in an enzyme's physical and/ or chemical properties than the others do?

b. If data for sequence, source, and processing were the same for two enzymes ( at the level of detail you have determined to be appropriate in the questions above), what additional information about chemical structure and/ or properties would be provided by distinguishing the enzymes based on function?

c. If data for function, sequence, and processing were the same for two enzymes ( at the level of detail you have determined to be appropriate in the questions above), what additional information about chemical structure and/ or properties would be provided by distinguishing the enzymes based on original source? production source?

d. If data for function, sequence, and source were the same for two enzymes ( at the level of detail you have determined to be appropriate in the questions above), what additional information about chemical structure and/ or properties would be provided by distinguishing the enzymes based on processing? Page 16 of 21 Page 17 of 21 Appendix I: Definitions and Examples of Substances on the TSCA Inventory I. CLASS 1, CLASS 2, AND UVCB SUBSTANCES The TSCA Inventory lists chemical substances with diverse characteristics, and Inventory nomenclature conventions vary accordingly. In terms of composition, some chemical substances are single compounds composed of molecules with particular atoms arranged in a definite, known structure. EPA designates such substances as Class 1 substances. Examples of Class 1 substances include: acetone, iron, benzene, and dimethylmercury.

Some commercial chemical substances have unknown or variable structures or compositions, or they are composed of a complex combination of different molecules. EPA designates these as Class 2 substances. Many Class 2 substances ( including enzymes) are called UVCB substances, for " chemical substances of unknown or variable composition, complex reaction products and biological materials." Each name for a UVCB substance represents more than one molecular entity; as such, each UVCB can be considered to be a narrowly defined category of molecules, often closely related. Examples of Class 2 UVCB substances are listed below.

II. INVENTORY DEFINITIONS FOR UVCB CHEMICAL SUBSTANCES Entries on the Inventory identify the commercial chemical substance as precisely as possible using the information reported by the submitter. Listings depend on the degree of knowledge that the submitters possess and report about such substances as well as on how submitters intend to represent the chemical identities to the Agency and to customers. Therefore, sometimes substances that are chemically indistinguishable or even identical have different listings on the Inventory. On the other hand, sometimes a lack of detail in submitted information results in UVCB substances with Chemical Abstracts ( CA) Names that are not specific or complete enough to permit unambiguous identification of the substance. The CA names for such substances may contain:

° Process terms that are not chemically descriptive ( e. g., distillation residues, distillation overheads, by products, low boiling, catalytic reformed); ° Trade jargon ( e. g., slack wax, spelter, winterized, deodorized distillates, steep liquor, foots oil); ° Unqualified or very broadly qualified substance class terms ( e. g., pyridine bases, petroleum resins, phenols ( petroleum)); or ° Physical rather than chemical terms ( e. g., microcrystalline, pulp, agglomerates, sinter, viscous).

The substances with inadequate CA Names are further described with supplemental " definitions" that are considered an integral part of the name for TSCA purposes. In general, the definitions serve to narrow the scope of the CA Names. Thus, any substance that matches a CA Name on the TSCA Inventory but does not match the Inventory substance definition is not considered to be covered by that Inventory name. Page 18 of 21 UVCB chemical substance definitions typically begin by stating that the substance is a combination of substances of a certain class and indicating the nature or the process by which it was derived. The next sentence( s) usually identify the predominant components. UVCB chemical substance definitions also may include information such as the typical or allowed carbon number, physical properties ranges, the types of atoms or substances that may be included, and/ or the raw material sources or processes of manufacture.

III. EXAMPLES OF UVCB NOMENCLATURE The following examples of Inventory names are provided to illustrate the variability of Inventory listings. These examples are not an exhaustive representation of all possible terms used in TSCA Inventory names. They are presented only to demonstrate that Inventory UVCB names vary according to the type of chemical substance being described.

III. A. Substances of Unknown Composition A wide variety of substances of unknown composition are listed on the TSCA Inventory. Examples include distillation residues, spent cooking or neutralizing liquors, and residual oils. Each Inventory substance, however, has a commercial purpose under TSCA; if it were an impurity, a byproduct, or a waste with no commercial use, it would not be eligible for TSCA Inventory listing.

Example 1. Dust, iron ore, sinter ( CASRN5 69012 53 9)

The UVCB definition for this substance is: " Dust generated during the making, breaking and handling of sinter which is recovered through the use of pollution abatement equipment."

5 CAS Registry Number. Page 19 of 21 Example 2. Fuel oil, no. 2 ( CASRN 68476 30 2)

The UVCB definition for this substance is: " A distillate oil having a minimum viscosity of 32.6 SUS at 100  F to a maximum of 37.9 SUS at 100  F"

III. B. Substances of Variable Composition Many substances with variable composition are listed on the Inventory. The examples below demonstrate how source terms may be used in Inventory names when the submitter reports the use of a single source. Process terms are used if they are provided by the submitter, are wellknown and are well described.

Example 3. Fatty acids, soya ( CASRN 68308 53 2)

This substance has no UVCB definition. It is a UVCB substance because it includes variable carbon chain lengths: soya fatty acids are a mixture of saturated and unsaturated C14 C18 fatty acids.

Example 4. Fatty acids, castor oil ( CASRN 61789 44 4)

This substance has no UVCB definition. It is a UVCB substance because this substance includes variable carbon chain lengths: castor oil fatty acids are a mixture of saturated and unsaturated C14 C18 fatty acids. This substance is listed separately in the Inventory from Example 3 because the fatty acids are derived from a different source.

Example 5. Fatty acids, castor oil, hydrogenated ( CASRN 61790 39 4)

This substance has no UVCB definition. It is a UVCB substance because this substance includes variable carbon chain lengths. This substance is listed separately in the Inventory from Example 4 because additional chemical processing was carried out on the fatty acids.

Example 6. Natural gas ( petroleum), raw liq. mix ( CASRN 64741 48 6)

The UVCB definition for this substance is: " A complex combination of hydrocarbons separated as a liquid from natural gas in a gas recycling plant by processes such as refrigeration or absorption. It consists mainly of saturated aliphatic hydrocarbons having carbon numbers in the range of C2 through C8." Thus, this substance includes variable carbon chain lengths.

III. C. Substances that are Biological Materials or are Made from Biological Materials Some chemicals derived from biological materials are completely defined in terms of chemical structure and thus are listed as Class 1 substances, e. g., sucrose. However, numerous biological materials and chemicals derived from biological materials are listed as UVCB substances on the TSCA Inventory, either by themselves or as components of further reaction products; including enzymes, organisms, and products of the biotechnology industry. Names of these more complex Page 20 of 21 structures often define the chemical identity with certain elements that characterize the chemical in terms of source, composition, and/ or manufacturing processes.

Example 7. Beeswax ( CASRN 8012 89 3)

The UVCB definition for this substance is: " The wax obtained from the honeycomb of the bee. It consists primarily of myricyl palmitate, cerotic acid and esters and some high carbon paraffins."

Example 8. Soybean, flour ( CASRN 68513 95 1)

The UVCB definition for this substance is: " A fine ground powder made by steaming soybeans, followed by removal of hulls and mechanical grinding." If another type of soybean flour were made without steaming the soybeans or without removal of the hulls, the resultant flour would not fit within this definition and would require a different listing on the Inventory.

Example 9. Collagens ( CASRN 9007 34 5)

The UVCB definition for this substance is: " A fibrous protein comprising one third of the total protein in mammalian organisms. It is a polypeptide containing three peptide chains and rich in proline and hydroxyproline." In this case source is defined to indicate that the collagen must be from a mammalian species, although no tissue or organ source is specified. Structure is defined in that all single chain proteins are excluded, and proline and hydroxyproline must be abundant.

Example 10. Gelatins ( CASRN 9000 70 8)

The UVCB definition for this substance is: " A complex combination of proteins obtained by hydrolysis of collagen by boiling skin, tendons, ligaments, bones, etc." In this case no specific animal ( or tissue/ organ) source is given, although the source of the collagen used to produce gelatin must meet the specifications given in the definition of collagen ( example 9). Any acid/ base catalytic reaction conditions may be used in the hydrolysis, although other processing reactions performed on collagen would not fall under this definition.

Example 11. Gelatins, hydrolyzates ( CASRN 68410 45 7)

The UVCB definition for this substance is: " Enzymatic digest produced by hydrolysis of gelatin." If the gelatin were hydrolyzed chemically rather than enzymatically, the resultant product would not fit the definition and would require a different Inventory listing.

Example 12. Oils, lavender ( CASRN 8000 28 0)

The UVCB definition for this substance is: " Extractives and their physically modified derivatives. Lavandula officianalis, Labiatae." Note that use of another source even if the same composition of oil were obtained would require a separate Inventory listing since it would represent a different substance. Page 21 of 21 Example 13. Glutens, corn ( CASRN 66071 96 3)

The UVCB definition for this substance is: " The dried residue from corn after the removal of the larger part of the starch and germ and the separation of the bran in the wet milling manufacture of corn starch or syrup, or by enzymatic treatment of the endosperm."


[Federal Register Volume 77, Number 75 (Wednesday, April 18, 2012)]
[Rules and Regulations]
[Page 23130]
[FR Doc No: 2012-9222]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R01-OAR-2011-0711; FRL-9660-2]

Approval and Promulgation of Air Quality Implementation Plans;
Connecticut; Determination of Attainment of the One-hour Ozone Standard
for the Greater Connecticut Area; Correction

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule; correction of docket number.

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

SUMMARY: This document corrects an error in the docket number of a
final rule pertaining to a determination that the Greater Connecticut
serious one-hour ozone nonattainment area did not meet the applicable
deadline of November 15, 2007, for attaining the one-hour National
Ambient Air Quality Standard (NAAQS) for ozone. In addition, that same
final rule determined that the Greater Connecticut serious one-hour
ozone nonattainment area is currently attaining the now revoked one-
hour NAAQS for ozone. The correct docket number for this action is EPA-
R01-OAR-2011-0711.

DATES: This correction is effective on April 18, 2012.

FOR FURTHER INFORMATION CONTACT: Richard P. Burkhart, Air Quality
Planning Unit, U.S. Environmental Protection Agency, EPA New England
Regional Office, 5 Post Office Square, Suite 100, Boston, MA 02109-
3912, telephone number<PHONE_NUMBER>, fax number<PHONE_NUMBER>, email
<EMAIL_ADDRESS>
SUPPLEMENTARY INFORMATION: On, March 16, 2012 (77 FR 15607), EPA
published a final rulemaking notice announcing that the Greater
Connecticut one-hour ozone nonattainment area did not meet its
applicable one-hour ozone attainment date of November 15, 2007, based
on 2005-2007 quality-assured ozone monitoring data. Separate from and
independent of the first determination, EPA also determined that the
Greater Connecticut one-hour ozone nonattainment area is currently
attaining the one-hour ozone standard, based on the most recent three
years (2008-2010) of complete, quality-assured ozone monitoring data at
all monitoring sites in the area. In the March 16, 2012 final
rulemaking, EPA inadvertently stated an incorrect docket number. The
correct docket number for this action is EPA-R01-OAR-2011-0711. The
Notice of Proposed Rulemaking (NPR) for this action (76 FR 72377;
November 23, 2011) included the correct docket number. Thus, the public
had appropriate opportunity to comment on the NPR.

List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Ozone,
Incorporation by reference, Reporting and recordkeeping requirements,
Volatile organic compounds.

    Dated: April 5, 2012.
H. Curtis Spalding,
Regional Administrator, EPA New England.
[FR Doc. 2012-9222 Filed 4-17-12; 8:45 am]
BILLING CODE 6560-50-P


[Federal Register: September 16, 2009 (Volume 74, Number 178)]
[Notices]
[Page 47569-47570]
[DOCID:fr16se09-44]

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DEPARTMENT OF ENERGY

Federal Energy Regulatory Commission

[Project No. 13530-000]

City of Keene, NH; Notice of Preliminary Permit Application
Accepted for Filing and Soliciting Comments, Motions To Intervene, and
Competing Applications

September 9, 2009.
    On July 6, 2009, the City of Keene, New Hampshire filed an
application, pursuant to section 4(f) of the Federal Power Act,
proposing to study the feasibility of the Ashuelot River Dam Project,
to be located on the Ashuelot

River, in Cheshire County, New Hampshire.
    The proposed project would consist of: (1) The existing 160-foot-
long, 16-foot-high Ashuelot Park Dam with 2-foot-high flashboards; (2)
the existing 34-acre reservoir with 120 acre-feet of storage capacity;
(3) a new powerhouse below the existing outlet works containing two
generating units with a installed capacity of 240 kilowatts; (4) a new
150-foot-long tailrace; and (5) an approximately 500-foot-long
transmission line. The project would have an estimated average annual
generation of 1,000 megawatts-hours.
    Applicant Contact: Mr. John Maclean, City Manager, 3 Washington
Street, Keene, NH 03431, phone<PHONE_NUMBER>.
    FERC Contact: Michael Spencer,<PHONE_NUMBER>.
    Competing Application: This application competes with Project No.
13419-000 filed April 2, 2009. Competing applications had to be filed
on or before July 3, 2009.
    Deadline for filing comments, motions to intervene: 60 days from
the issuance of this notice. Comments, and motions to intervene may be
filed electronically via the Internet. See 18 CFR 385.2001(a)(1)(iii)
and the instructions on the Commission's Web site under the ``e-
Filing'' link. If unable to be filed electronically, documents may be
paper-filed. To paper-file, an original and eight copies should be
mailed to: Kimberly D. Bose, Secretary, Federal Energy Regulatory
Commission, 888 First Street, NE., Washington, DC 20426. For more
information on how to submit these types of filings please go to the
Commission's Web site located at http://www.ferc.gov/filing-
comments.asp.
    More information about this project can be viewed or printed on the
``eLibrary'' link of Commission's Web site at http://www.ferc.gov/docs-
filing/elibrary.asp. Enter the docket number (P-13530) in the docket
number field to access the document. For assistance, call toll-free 1-
866-208-3372.

Kimberly D. Bose,
Secretary.
[FR Doc. E9-22233 Filed 9-15-09; 8:45 am]

BILLING CODE 6717-01-P