39250 Federal Register / Vol. 75, No. 130 / Thursday, July 8, 2010 / Notices 

ENVIRONMENTAL PROTECTION 

AGENCY 

[EPA–HQ–OAR–2010–0050, FRL–9173–2] 

Agency Information Collection 

Activities; Submission to OMB for 

Review and Approval; Comment 

Request; Implementation of Ambient 

Air Protocol Gas Verification Program; 

EPA ICR No. 2375.01, OMB Control 

Number 2060–NEW 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Notice. 

SUMMARY: In compliance with the 

Paperwork Reduction Act (PRA)(44 

U.S.C. 3501 et seq.), this document 

announces that an Information 

Collection Request (ICR) has been 

forwarded to the Office of Management 

and Budget (OMB) for review and 

approval. This is a request for a new 

collection. The ICR, which is abstracted 

below, describes the nature of the 

information collection and its estimated 

burden and cost. 

DATES: Additional comments may be 

submitted on or before August 9, 2010. 

ADDRESSES: Submit your comments, 

referencing Docket ID No. EPA–HQ– 

OAR–2010–0050, to (1) EPA online 

using www.regulations.gov (our 

preferred method), by e-mail to a-andr-docket@epa.gov, or by mail to: EPA 

Air Docket Center, Environmental 

Protection Agency, Mail Code 28221T, 

1200 Pennsylvania Ave., NW., 

Washington, DC 20460, and (2) OMB by 

mail to: Office of Information and 

Regulatory Affairs, Office of 

Management and Budget (OMB), 

Attention: Desk Officer for EPA, 725 

17th Street, NW., Washington, DC 

20503. 

FOR FURTHER INFORMATION CONTACT: Mr. 

Michael Papp, Air Quality Assessment 

Division, Office of Air Quality Planning 

and Standards, U.S. Environmental 

Protection Agency, Mail Code C304–06, 

Research Triangle Park, NC 27711; 

telephone: 919–541–2408; fax: 919– 

541–1903; e-mail: 

papp.michael@epa.gov. 

SUPPLEMENTARY INFORMATION: EPA has 

submitted the following ICR to OMB for 

review and approval according to the 

procedures prescribed in 5 CFR 1320.12. 

On March 2, 2010 (40 FR 9407), EPA 

sought comments on this ICR pursuant 

to 5 CFR 1320.8(d). EPA received no 

comments during the comment period. 

Any additional comments on this ICR 

should be submitted to EPA and OMB 

within 30 days of this notice. 

EPA has established a public docket 

for this ICR under Docket ID No. EPA– 

HQ–OAR–2010–0050 which is available 

for online viewing at http:// 

www.regulations.gov, or in person 

viewing at the Air Docket in the EPA 

Docket Center (EPA/DC), EPA West, 

Room 3334, 1301 Constitution Ave., 

NW., Washington, DC. The EPA/DC 

Public Reading Room is open from 8:30 

a.m. to 4:30 p.m., Monday through 

Friday, excluding legal holidays. The 

telephone number for the Reading Room 

is 202–566–1744, and the telephone 

number for the Air Docket is 202–566– 

1742. 

Use EPA’s electronic docket and 

comment system at http:// 

www.regulations.gov, to submit or view 

public comments, access the index 

listing of the contents of the docket, and 

to access those documents in the docket 

that are available electronically. Once in 

the system, select ‘‘docket search,’’ then 

key in the docket ID number identified 

above. Please note that EPA’s policy is 

that public comments, whether 

submitted electronically or in paper, 

will be made available for public 

viewing at http://www.regulations.gov 

as EPA receives them and without 

change, unless the comment contains 

copyrighted material, confidential 

business information (CBI), or other 

information whose public disclosure is 

restricted by statute. For further 

information about the electronic docket, 

go to http://www.regulations.gov. 

Title: Implementation of Ambient Air 

Protocol Gas Verification Program. 

ICR numbers: EPA ICR No. 2375.01, 

OMB Control No. 2060–NEW. 

ICR Status: This ICR is for a new 

information collection activity. An 

Agency may not conduct or sponsor, 

and a person is not required to respond 

to, a collection of information, unless it 

displays a currently valid OMB control 

number. The OMB control numbers for 

EPA’s regulations in title 40 of the CFR, 

after appearing in the Federal Register 

when approved, are listed in 40 CFR 

part 9 and are displayed either by 

publication in the Federal Register or 

by other appropriate means, such as on 

the related collection instrument or 

form, if applicable. The display of OMB 

control numbers in certain EPA 

regulations is consolidated in 40 CFR 

part 9. 

Abstract: This ICR includes ambient 

air monitoring data reporting and 

recordkeeping activities associated with 

the 40 CFR part 58, appendix A, 

Ambient Air Quality Surveillance 

Quality Assurance Regulations. These 

data and information are collected by 

state, local, and tribal air quality 

management agencies and reported to 

the EPA. 

The EPA Ambient Air Quality 

Monitoring Program’s quality assurance 

requirements in 40 CFR part 58, 

appendix A, require: ‘‘2.6 Gaseous and 

Flow Rate Audit Standards. Gaseous 

pollutant concentration standards 

(permeation devices or cylinders of 

compressed gas) used to obtain test 

concentrations for CO, SO2, NO, and 

NO2 must be traceable to either a 

National Institute of Standards and 

Technology (NIST) Traceable Reference 

Material (NTRM), NIST Standard 

Reference Materials (SRM), and 

Netherlands Measurement Institute 

(NMI) Primary Reference Materials 

(valid as covered by Joint Declaration of 

Equivalence) or a NIST-certified Gas 

Manufacturer’s Internal Standard 

(GMIS), certified in accordance with one 

of the procedures given in reference 4 of 

this appendix. Vendors advertising 

certification with the procedures 

provided in reference 4 of this appendix 

and distributing gases as ‘‘EPA Protocol 

Gas’’ must participate in the EPA 

Protocol Gas Verification Program or not 

use ‘‘EPA’’ in any form of advertising.’’ 

These requirements give assurance to 

end users that all specialty gas 

producers selling EPA Protocol Gases 

are participants in a program that 

provides an independent assessment of 

the accuracy of their gases’ certified 

concentrations. In 2010, EPA will 

develop an Ambient Air Protocol Gas 

Verification Program (AA–PGVP) that 

will provide end users with information 

about participating producers and 

verification results. 

Each year, EPA will attempt to 

compare gas cylinders from every 

specialty gas producer being used by 

ambient air monitoring organizations. 

EPA Regions 2 and 7 have agreed to 

provide analytical services for 

verification of 40 cylinders/lab or 80 

cylinders total/year. Cylinders will be 

verified at a pre-determined time each 

quarter. 

In order to make the appropriate 

selection, EPA needs to know what 

specialty gas producers are being used 

by the monitoring organizations. 

Therefore, EPA needs information from 

each primary quality assurance 

organization every year on specialty gas 

producers being used and whether the 

monitoring organization would like to 

participate in the verification for the 

upcoming calendar year. 

Burden Statement: The annual public 

reporting and recordkeeping burden for 

this collection of information is 

estimated to average 20 minutes per 

response. Burden means the total time, 

effort, or financial resources expended 

by persons to generate, maintain, retain, 

or disclose or provide information to or 


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Federal Register / Vol. 75, No. 130 / Thursday, July 8, 2010 / Notices 39251 

1See ‘‘Certification Procedure for Light-Duty and 

Heavy-Duty Diesel Vehicles and Heavy-Duty Diesel 

Engines Using Selective Catalyst Reduction (SCR) 

Technologies’’ dated March 27, 2007 and the 

‘‘Revised Guidance for Certification of Heavy-Duty 

Diesel Engines Using Selective Catalyst Reduction 

(SCR) Technologies’’ dated December 30, 2009. 

2See 74 FR 57671 (November 9, 2009). 

for a Federal agency. This includes the 

time needed to review instructions; 

develop, acquire, install, and utilize 

technology and systems for the purposes 

of collecting, validating, and verifying 

information, processing and 

maintaining information, and disclosing 

and providing information; adjust the 

existing ways to comply with any 

previously applicable instructions and 

requirements which have subsequently 

changed; train personnel to be able to 

respond to a collection of information; 

search data sources; complete and 

review the collection of information; 

and transmit or otherwise disclose the 

information. 

Respondents/Affected Entities: These 

data and information are collected by 

State, local, and Tribal air quality 

management agencies. 

Estimated Number of Respondents: 

211. 

Frequency of Response: Annual. 

Estimated Total Annual Hour Burden: 

70. 

Estimated Total Annual Cost: $4,582 

in labor costs. 

Dated: July 1, 2010. 

John Moses, 

Director, Collection Strategies Division. 

[FR Doc. 2010–16694 Filed 7–7–10; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

[FRL–9173–5] 

Control of Air Pollution From New 

Motor Vehicles: Announcement of 

Public Workshop for Heavy-Duty 

Diesel Engines Employing Selective 

Catalyst Reduction Technology 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Notice of Public Workshop and 

Opportunity for Comment. 

SUMMARY: A public workshop is being 

held to discuss the operation of heavyduty engines equipped with selective 

catalyst reduction (SCR). EPA will be 

reviewing its policies regarding the 

operation of SCR-equipped heavy-duty 

diesel engines without diesel exhaust 

fluid (DEF), with improper DEF, or 

when tampering (or some other defect in 

the SCR system) is detected. 

DATES: The workshop will be held on 

July 20, 2010 from 10 a.m. to 4 p.m. 

(PST) at the California Air Resources 

Board, Annex 4 Auditorium, 9528 

Telstar Avenue, El Monte, California 

91731, and will be conducted with the 

California Air Resources Board. Parties 

wishing to present information at the 

workshop are encouraged to notify Ms. 

Khesha Reed at the address noted 

below. 

Any party may also submit written 

comments either before or after the 

workshop. All comments are due by 

August 20, 2010. 

ADDRESSES: EPA will make available for 

public inspection materials submitted 

by any party at the public workshop and 

any other written comments submitted 

to the Agency. Materials relevant to this 

proceeding are contained in the Air and 

Radiation Docket and Information 

Center, maintained in Docket No. EPA– 

HQ–OAR–2010–0444. The docket is 

located at the Air Docket, Room 3334, 

1301 Constitution Avenue, NW., 

Washington, DC 20460, and may be 

viewed between 8 a.m., and 5:30 p.m., 

Monday through Friday. The telephone 

is (202) 566–1742. A reasonable fee may 

be charged by EPA for copying docket 

material. 

Additionally, an electronic version of 

the public docket is available through 

the Federal government’s electronic 

public docket and comment system. 

You may access EPA dockets at http:// 

www.regulations.gov. After opening the 

http://www.regulations.gov Web site, 

enter EPA–HQ–OAR–2010–0444 in 

‘‘Search Documents’’ to view documents 

in the record. Although a part of the 

official docket, the public docket does 

not include Confidential Business 

Information (CBI) or other information 

whose disclosure is restricted by statute. 

FOR FURTHER INFORMATION CONTACT: 

Khesha Reed, Compliance and 

Innovative Strategies Division (6405J), 

U.S. Environmental Protection Agency, 

1200 Pennsylvania Ave, NW., 

Washington, DC 20460. E-mail address: 

reed.khesha@epa.gov. 

SUPPLEMENTARY INFORMATION: 

I. Background: Several heavy duty 

diesel engine manufacturers have 

recently begun utilizing a NOX emission 

control technology called selective 

catalyst reduction (SCR) to meet EPA 

standards and other requirements. SCR 

is an established technology that has 

been shown to meet stringent emissions 

requirements while enabling fuel 

efficiency benefits. 

Currently certified heavy-duty 

engines utilizing SCR use a nitrogen 

containing reducing agent (aqueous 

urea) injected into the exhaust gas 

upstream of the catalyst. Other types of 

reducing agents may also be used by 

SCR technology. The reducing agent 

needs to be replenished periodically. 

Without the reducing agent, the 

efficiency of the SCR catalyst drops to 

zero and NOX emissions can potentially 

increase substantially. The efficiency of 

the SCR system can also be affected by 

the use of improper reducing agent or 

tampering with the SCR system. 

The need to replenish the reducing 

agent (hereafter called diesel exhaust 

fluid, or DEF, although the reducing 

agent need not be fluid) and the 

possibility that SCR technology could be 

rendered ineffective by operation on an 

empty DEF tank are addressed by EPA’s 

existing regulations regarding allowable 

and necessary maintenance and 

adjustable parameters. These regulations 

also apply in the case where inadequate 

DEF could be used or where the SCR 

system may be subject to tampering. 

Certified engine configurations include 

provisions and inducements designed to 

address these regulatory concerns. 

EPA has previously provided 

guidance to heavy-duty diesel engine 

manufacturers in March 2007 and 

December 2009 to facilitate 

manufacturer planning in advance of 

certification.1 In addition, in November 

2009 EPA published in the Federal 

Register the approval of specific 

maintenance intervals for DEF refills for 

certain manufacturers.2

II. Public Workshop: EPA is 

commencing a public process designed 

to provide a thorough review of EPA’s 

policies regarding the operation of SCRequipped heavy-duty diesel engines 

without DEF, with improper DEF, or 

when tampering (or some other defect in 

the SCR system) is detected for future 

2011 and later model year engines, in 

order to ensure, among other things, that 

SCR-equipped engines are designed to 

properly control emissions as required 

under applicable law and regulations. 

Although EPA has previously provided 

guidance to manufactures regarding the 

initial introduction and certification of 

SCR-equipped heavy-duty diesel 

engines, consistent with past practice 

we believe it is appropriate for EPA to 

review and reexamine its policies as 

technologies are introduced into the 

market place. As part of this process, 

EPA intends to review any information 

that has become available to determine 

whether its policies regarding SCRequipped engines should be revised. 

The scope of the review includes review 

of the ‘‘Revised Guidance for 

Certification of Heavy-Duty Diesel 

Engines Using Selective Catalyst 

Reduction (SCR) Technologies’’ dated 

December 30, 2009. As part of EPA’s 


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