81_FR_45418 81 FR 45284 - Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of One New Reference Method and Four New Equivalent Methods

81 FR 45284 - Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of One New Reference Method and Four New Equivalent Methods

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 81, Issue 134 (July 13, 2016)

Page Range45284-45285
FR Document2016-16578

Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR part 53, one new reference method for measuring concentrations of sulfur dioxide (SO<INF>2</INF>), four new equivalent methods for measuring concentrations of PM<INF>2.5,</INF> PM<INF>10</INF> and PM<INF>10-2.5</INF> in ambient air.

Federal Register, Volume 81 Issue 134 (Wednesday, July 13, 2016)
[Federal Register Volume 81, Number 134 (Wednesday, July 13, 2016)]
[Notices]
[Pages 45284-45285]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-16578]


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ENVIRONMENTAL PROTECTION AGENCY

[FRL 9949-01-ORD]


Office of Research and Development; Ambient Air Monitoring 
Reference and Equivalent Methods: Designation of One New Reference 
Method and Four New Equivalent Methods

AGENCY: Environmental Protection Agency.

ACTION: Notice of the designation of a new reference method and four 
new equivalent methods for monitoring ambient air quality.

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SUMMARY: Notice is hereby given that the Environmental Protection 
Agency (EPA) has designated, in accordance with 40 CFR part 53, one new 
reference method for measuring concentrations of sulfur dioxide 
(SO2), four new equivalent methods for measuring 
concentrations of PM2.5, PM10 and 
PM10-2.5 in ambient air.

FOR FURTHER INFORMATION CONTACT: Robert Vanderpool, Exposure Methods 
and Measurement Division (MD-D205-03), National Exposure Research 
Laboratory, U.S. EPA, Research Triangle Park, North Carolina 27711. 
Email: [email protected].

SUPPLEMENTARY INFORMATION: In accordance with regulations at 40 CFR 
part 53, the EPA evaluates various methods for monitoring the 
concentrations of those ambient air pollutants for which EPA has 
established National Ambient Air Quality Standards (NAAQSs) as set 
forth in 40 CFR part 50. Monitoring methods that are determined to meet 
specific requirements for adequacy are designated by the EPA as either 
reference or equivalent methods (as applicable), thereby permitting 
their use under 40 CFR part 58 by States and other agencies for 
determining compliance with the NAAQSs. A list of all reference or 
equivalent methods that have been previously designated by EPA may be 
found at http://www.epa.gov/ttn/amtic/criteria.html.
    The EPA hereby announces the designation of one new reference 
method for measuring concentrations of SO2 in ambient air 
and two new equivalent methods for measuring pollutant concentrations 
of PM2.5, one new equivalent method for measuring pollutant 
concentrations of PM10, and one for measuring pollutant 
concentrations of PM10-2.5. These designations are made 
under the provisions of 40 CFR part 53, as amended on October 26, 2015 
(80 FR 65291).
    The new reference method for SO2 is an automated method 
(analyzer) utilizing a measurement principle based on ultraviolet 
fluorescence and is identified as follows:
    RFSA-0616-237, ``Sutron Model 6020 Sulfur Dioxide Fluorescent 
Analyzer'', operated at any of the following measurement ranges: 0-0.5 
ppm, at any ambient temperature in the range of 5-40 [deg]C, at any 
line voltage in the range of 90-260 VAC, at any sample flow rate in the 
range of 0.4-0.8 L/min, and in accordance with the Model 6020 
SO2 Analyzer Operation Manual, with or

[[Page 45285]]

without the following options: Zero/span ports for external 
calibration; an optional inlet filter; or an optional second gas 
measurement module co-located inside of the enclosure.
    This application for a reference method determination for this 
SO2 method was received by the Office of Research and 
Development on April 25, 2016. This analyzer is commercially available 
from the applicant, Sutron Air Quality Division, 2548 Shell Road, 
Georgetown, TX 78628.
    The four new PM equivalent methods are automated monitoring methods 
utilizing a measurement principle based on active sampling of ambient 
aerosols and contemporaneous analysis by means of a light-scattering 
technique for determination of particle size and mass concentration. 
These newly designated equivalent methods for PM2.5, 
PM10 and PM10-2.5, are identified as follows:
    EQPM-0516-236, ``Teledyne Advanced Pollution Instrumentation Model 
T640 PM mass monitor,'' continuous ambient particulate monitor operated 
at a volumetric flow rate of 5.0 Lpm, equipped with a TAPI 5-Lpm sample 
inlet (P/N: 081050000), TAPI aerosol sample conditioner (P/N: 
081040000), configured for operation with firmware version 1.0.2.126 or 
later, and operated in accordance with the Teledyne Model T640 
Operations Manual. This designation applies to PM2.5 
measurements only.
    EQPM-0516-238, ``Teledyne Advanced Pollution Instrumentation Model 
T640 PM mass monitor with 640X option,'' continuous ambient particulate 
monitor operated at a volumetric flow rate of 16.67 Lpm, equipped with 
the louvered PM10 inlet specified in 40 CFR 50 Appendix L, 
Figs. L-2 thru L-19, TAPI aerosol sample conditioner (P/N: 081040000), 
configured for operation with firmware version 1.0.2.126 or later, in 
accordance with the Teledyne Model T640 Operations Manual. This 
designation applies to PM2.5 measurements only.
    EQPM-0516-239, ``Teledyne Advanced Pollution Instrumentation Model 
T640 PM mass monitor with 640X option,'' continuous ambient particulate 
monitor operated at a volumetric flow rate of 16.67 Lpm, equipped with 
the louvered PM10 inlet specified in 40 CFR 50 Appendix L, 
Figs. L-2 thru L-19, TAPI aerosol sample conditioner (P/N: 081040000), 
configured for operation with firmware version 1.0.2.126 or later, in 
accordance with the Teledyne Model T640 Operations Manual. This 
designation applies to PM10 measurements only.
    EQPM-0516-240, ``Teledyne Advanced Pollution Instrumentation Model 
T640 PM mass monitor with 640X option,'' continuous ambient particulate 
monitor operated at a volumetric flow rate of 16.67 Lpm, equipped with 
the louvered PM10 inlet specified in 40 CFR 50 Appendix L, 
Figs. L-2 thru L-19, TAPI aerosol sample conditioner (P/N: 081040000), 
configured for operation with firmware version 1.0.2.126 or later, in 
accordance with the Teledyne Model T640 Operations Manual. This 
designation applies to PM10-2.5 measurements only.
    The four applications for equivalent method determination for the 
PM candidate methods were received by the Office of Research and 
Development on May 2, 2016, June 1, 2016, June 9, 2016 and June 14, 
2016 respectively. The monitors are commercially available from the 
applicant, Teledyne Advanced Pollution Instrumentation, Inc., 9480 
Carroll Park Drive, San Diego, CA 92121-2251.
    Representative test analyzers have been tested in accordance with 
the applicable test procedures specified in 40 CFR part 53, as amended 
on October 26, 2015. After reviewing the results of those tests and 
other information submitted by the applicant, EPA has determined, in 
accordance with part 53, that these methods should be designated as a 
reference or equivalent method.
    As a designated reference or equivalent method, these methods are 
acceptable for use by states and other air monitoring agencies under 
the requirements of 40 CFR part 58, Ambient Air Quality Surveillance. 
For such purposes, each method must be used in strict accordance with 
the operation or instruction manual associated with the method and 
subject to any specifications and limitations (e.g., configuration or 
operational settings) specified in the designated method description 
(see the identification of the method above).
    Use of the method also should be in general accordance with the 
guidance and recommendations of applicable sections of the ``Quality 
Assurance Handbook for Air Pollution Measurement Systems, Volume I,'' 
EPA/600/R-94/038a and ``Quality Assurance Handbook for Air Pollution 
Measurement Systems, Volume II, Ambient Air Quality Monitoring 
Program,'' EPA-454/B-13-003, (both available at http://www.epa.gov/ttn/amtic/qalist.html). Provisions concerning modification of such methods 
by users are specified under Section 2.8 (Modifications of Methods by 
Users) of Appendix C to 40 CFR part 58.
    Consistent or repeated noncompliance with any of these conditions 
should be reported to: Director, Exposure Methods and Measurement 
Division (MD-E205-01), National Exposure Research Laboratory, U.S. 
Environmental Protection Agency, Research Triangle Park, North Carolina 
27711.
    Designation of these reference and equivalent methods is intended 
to assist the States in establishing and operating their air quality 
surveillance systems under 40 CFR part 58. Questions concerning the 
commercial availability or technical aspects of the method should be 
directed to the applicant.

    Dated: July 1, 2016.
Jennifer Orme-Zavaleta,
Director, National Exposure Research Laboratory.
[FR Doc. 2016-16578 Filed 7-12-16; 8:45 am]
 BILLING CODE 6560-50-P



                                                  45284                        Federal Register / Vol. 81, No. 134 / Wednesday, July 13, 2016 / Notices

                                                  Management Act and the Atlantic                             If the EFP is approved, all exempted                equivalent methods for monitoring
                                                  Coastal Fisheries Cooperative                            collections would take place on                        ambient air quality.
                                                  Management Act require publication of                    designated collection days during the
                                                  this notification to provide interested                  normal commercial fishing activity of                  SUMMARY:   Notice is hereby given that
                                                  parties the opportunity to comment on                    the participating vessel. No additional                the Environmental Protection Agency
                                                  applications for proposed Exempted                       and/or modified gear or effort would be                (EPA) has designated, in accordance
                                                  Fishing Permits.                                         used, so no additional impacts to                      with 40 CFR part 53, one new reference
                                                                                                           bycatch, marine mammals, or                            method for measuring concentrations of
                                                  DATES: Comments must be received on                                                                             sulfur dioxide (SO2), four new
                                                  or before July 28, 2016.                                 endangered species are anticipated
                                                                                                           beyond the risks associated with normal                equivalent methods for measuring
                                                  ADDRESSES: You may submit written                                                                               concentrations of PM2.5, PM10 and
                                                                                                           fishing operations. This project will
                                                  comments by any of the following                                                                                PM10–2.5 in ambient air.
                                                                                                           collect approximately 400 egg-bearing
                                                  methods:                                                                                                        FOR FURTHER INFORMATION CONTACT:
                                                                                                           females and 200 otherwise restricted
                                                     • Email to: nmfs.gar.efp@noaa.gov.                                                                           Robert Vanderpool, Exposure Methods
                                                                                                           lobsters for scientific study. All lobsters
                                                  Include in the subject line ‘‘MA DMF                                                                            and Measurement Division (MD–D205–
                                                                                                           caught under the EFP for research
                                                  Climate Change Lobster EFP.’’                                                                                   03), National Exposure Research
                                                                                                           purposes would be banded with a
                                                     • Mail to: John K. Bullard, Regional                  different color to distinguish them from               Laboratory, U.S. EPA, Research Triangle
                                                  Administrator, NMFS, Greater Atlantic                    the legally harvestable commercial                     Park, North Carolina 27711. Email:
                                                  Regional Fisheries Office, 55 Great                      catch, and any egg-bearing females                     Vanderpool.Robert@epa.gov.
                                                  Republic Drive, Gloucester, MA 01930.                    would be held separately from the                      SUPPLEMENTARY INFORMATION: In
                                                  Mark the outside of the envelope                         remainder of the catch. A MA DMF staff                 accordance with regulations at 40 CFR
                                                  ‘‘Comments on MA DMF Climate                             member would meet the vessel at the                    part 53, the EPA evaluates various
                                                  Change Lobster EFP.’’                                    dock after each collection trip to take                methods for monitoring the
                                                  FOR FURTHER INFORMATION CONTACT:                         possession of the EFP-authorized                       concentrations of those ambient air
                                                  Cynthia Hanson, NOAA Affiliate, 978–                     lobsters and bring them to the MA DMF                  pollutants for which EPA has
                                                  281–9180.                                                facility for processing and experimental               established National Ambient Air
                                                  SUPPLEMENTARY INFORMATION:                               study. No more than a total of four                    Quality Standards (NAAQSs) as set
                                                  Massachusetts Division of Marine                         collection days/trips of typical                       forth in 40 CFR part 50. Monitoring
                                                  Fisheries (MA DMF) submitted a                           commercial fishing activity are                        methods that are determined to meet
                                                  complete application for an Exempted                     anticipated under this EFP.                            specific requirements for adequacy are
                                                  Fishing Permit (EFP) on June 27, 2016,                      If approved, MA DMF may request                     designated by the EPA as either
                                                  to conduct commercial fishing activities                 minor modifications and extensions to                  reference or equivalent methods (as
                                                  that the regulations would otherwise                     the EFP throughout the study period.                   applicable), thereby permitting their use
                                                                                                           EFP modifications and extensions may                   under 40 CFR part 58 by States and
                                                  restrict. The EFP would authorize one
                                                                                                           be granted without further notice if they              other agencies for determining
                                                  vessel to possess and transport
                                                                                                           are deemed essential to facilitate                     compliance with the NAAQSs. A list of
                                                  approximately 600 sublegal-sized male,
                                                                                                           completion of the proposed research                    all reference or equivalent methods that
                                                  and egg-bearing, v-notched, and
                                                                                                                                                                  have been previously designated by EPA
                                                  sublegal-sized female lobsters during                    and have minimal impacts that do not
                                                                                                                                                                  may be found at http://www.epa.gov/
                                                  normal fishing operations in Lobster                     change the scope or impact of the
                                                                                                                                                                  ttn/amtic/criteria.html.
                                                  Management Area (LMA) 2. These                           initially approved EFP request. Any                       The EPA hereby announces the
                                                  lobsters will be delivered to MA DMF                     fishing activity conducted outside the                 designation of one new reference
                                                  staff for use in laboratory research. The                scope of the exempted fishing activity                 method for measuring concentrations of
                                                  research will study the effects of climate               would be prohibited.                                   SO2 in ambient air and two new
                                                  change and thermal stress on                                  Authority: 16 U.S.C. 1801 et seq.                 equivalent methods for measuring
                                                  reproduction in lobsters and requires                                                                           pollutant concentrations of PM2.5, one
                                                                                                             Dated: July 8, 2016.
                                                  reproductively capable lobsters to                                                                              new equivalent method for measuring
                                                  examine/observe mating success,                          Emily H. Menashes,
                                                                                                           Acting Director, Office of Sustainable
                                                                                                                                                                  pollutant concentrations of PM10, and
                                                  fecundity, egg quality, and overall                                                                             one for measuring pollutant
                                                  reproductive capacity.                                   Fisheries, National Marine Fisheries Service.
                                                                                                           [FR Doc. 2016–16571 Filed 7–12–16; 8:45 am]
                                                                                                                                                                  concentrations of PM10–2.5. These
                                                     Funding for this study has been                                                                              designations are made under the
                                                  awarded under the Saltonstall-Kennedy                    BILLING CODE 3510–22–P
                                                                                                                                                                  provisions of 40 CFR part 53, as
                                                  Research Program (Grant                                                                                         amended on October 26, 2015 (80 FR
                                                  #NA16NMF4270242). This study is                                                                                 65291).
                                                  designed to investigate the decline and                                                                            The new reference method for SO2 is
                                                                                                           ENVIRONMENTAL PROTECTION
                                                  recruitment failure of the Southern New                                                                         an automated method (analyzer)
                                                                                                           AGENCY
                                                  England lobster stock. MA DMF is                                                                                utilizing a measurement principle based
                                                  requesting specific exemptions from                                                                             on ultraviolet fluorescence and is
                                                                                                           [FRL 9949–01–ORD]
                                                  Federal lobster regulations on:                                                                                 identified as follows:
                                                     1. Minimum legal size harvest and                     Office of Research and Development;                       RFSA–0616–237, ‘‘Sutron Model 6020
                                                  possession requirements specified at 50                  Ambient Air Monitoring Reference and                   Sulfur Dioxide Fluorescent Analyzer’’,
                                                  CFR 697.20(a)(4);                                                                                               operated at any of the following
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                                                                                                           Equivalent Methods: Designation of
                                                     2. Restrictions on the harvest,                       One New Reference Method and Four                      measurement ranges: 0–0.5 ppm, at any
                                                  possession, and transport of egg-bearing                 New Equivalent Methods                                 ambient temperature in the range of 5–
                                                  females at § 697.20(d)(1) through (3);                                                                          40 °C, at any line voltage in the range
                                                  and                                                      AGENCY: Environmental Protection                       of 90–260 VAC, at any sample flow rate
                                                     3. Restrictions on the harvest and                    Agency.                                                in the range of 0.4–0.8 L/min, and in
                                                  possession of standard v-notch females                   ACTION: Notice of the designation of a                 accordance with the Model 6020 SO2
                                                  detailed at § 697.20(g)(3) through (4).                  new reference method and four new                      Analyzer Operation Manual, with or


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                                                                               Federal Register / Vol. 81, No. 134 / Wednesday, July 13, 2016 / Notices                                                  45285

                                                  without the following options: Zero/                     Model T640 PM mass monitor with                       reported to: Director, Exposure Methods
                                                  span ports for external calibration; an                  640X option,’’ continuous ambient                     and Measurement Division (MD–E205–
                                                  optional inlet filter; or an optional                    particulate monitor operated at a                     01), National Exposure Research
                                                  second gas measurement module co-                        volumetric flow rate of 16.67 Lpm,                    Laboratory, U.S. Environmental
                                                  located inside of the enclosure.                         equipped with the louvered PM10 inlet                 Protection Agency, Research Triangle
                                                    This application for a reference                       specified in 40 CFR 50 Appendix L,                    Park, North Carolina 27711.
                                                  method determination for this SO2                        Figs. L–2 thru L–19, TAPI aerosol                       Designation of these reference and
                                                  method was received by the Office of                     sample conditioner (P/N: 081040000),                  equivalent methods is intended to assist
                                                  Research and Development on April 25,                    configured for operation with firmware                the States in establishing and operating
                                                  2016. This analyzer is commercially                      version 1.0.2.126 or later, in accordance             their air quality surveillance systems
                                                  available from the applicant, Sutron Air                 with the Teledyne Model T640                          under 40 CFR part 58. Questions
                                                  Quality Division, 2548 Shell Road,                       Operations Manual. This designation                   concerning the commercial availability
                                                  Georgetown, TX 78628.                                    applies to PM10–2.5 measurements only.                or technical aspects of the method
                                                    The four new PM equivalent methods                        The four applications for equivalent               should be directed to the applicant.
                                                  are automated monitoring methods                         method determination for the PM
                                                                                                                                                                   Dated: July 1, 2016.
                                                  utilizing a measurement principle based                  candidate methods were received by the
                                                  on active sampling of ambient aerosols                   Office of Research and Development on                 Jennifer Orme-Zavaleta,
                                                  and contemporaneous analysis by                          May 2, 2016, June 1, 2016, June 9, 2016               Director, National Exposure Research
                                                  means of a light-scattering technique for                and June 14, 2016 respectively. The                   Laboratory.
                                                  determination of particle size and mass                  monitors are commercially available                   [FR Doc. 2016–16578 Filed 7–12–16; 8:45 am]
                                                  concentration. These newly designated                    from the applicant, Teledyne Advanced                 BILLING CODE 6560–50–P
                                                  equivalent methods for PM2.5, PM10 and                   Pollution Instrumentation, Inc., 9480
                                                  PM10–2.5, are identified as follows:                     Carroll Park Drive, San Diego, CA
                                                    EQPM–0516–236, ‘‘Teledyne                              92121–2251.                                           ENVIRONMENTAL PROTECTION
                                                  Advanced Pollution Instrumentation                          Representative test analyzers have                 AGENCY
                                                  Model T640 PM mass monitor,’’                            been tested in accordance with the                    [EPA–HQ–OW–2004–0019; FRL 9949–02–
                                                  continuous ambient particulate monitor                   applicable test procedures specified in               OW]
                                                  operated at a volumetric flow rate of 5.0                40 CFR part 53, as amended on October
                                                  Lpm, equipped with a TAPI 5-Lpm                          26, 2015. After reviewing the results of              Recommended Aquatic Life Ambient
                                                  sample inlet (P/N: 081050000), TAPI                      those tests and other information                     Water Quality Criterion for Selenium in
                                                  aerosol sample conditioner (P/N:                         submitted by the applicant, EPA has                   Freshwater
                                                  081040000), configured for operation                     determined, in accordance with part 53,
                                                  with firmware version 1.0.2.126 or later,                that these methods should be designated               AGENCY: Environmental Protection
                                                  and operated in accordance with the                      as a reference or equivalent method.                  Agency (EPA).
                                                  Teledyne Model T640 Operations                              As a designated reference or                       ACTION: Notice of availability.
                                                  Manual. This designation applies to                      equivalent method, these methods are
                                                  PM2.5 measurements only.                                 acceptable for use by states and other air            SUMMARY:    The Environmental Protection
                                                    EQPM–0516–238, ‘‘Teledyne                              monitoring agencies under the                         Agency (EPA) is announcing the release
                                                  Advanced Pollution Instrumentation                       requirements of 40 CFR part 58,                       of a final updated Clean Water Act
                                                  Model T640 PM mass monitor with                          Ambient Air Quality Surveillance. For                 (CWA) section 304(a) recommended
                                                  640X option,’’ continuous ambient                        such purposes, each method must be                    national chronic aquatic life criterion
                                                  particulate monitor operated at a                        used in strict accordance with the                    for the pollutant selenium in fresh
                                                  volumetric flow rate of 16.67 Lpm,                       operation or instruction manual                       water. The final criterion supersedes
                                                  equipped with the louvered PM10 inlet                    associated with the method and subject                EPA’s 1999 CWA section 304(a)
                                                  specified in 40 CFR 50 Appendix L,                       to any specifications and limitations                 recommended national acute and
                                                  Figs. L–2 thru L–19, TAPI aerosol                        (e.g., configuration or operational                   chronic aquatic life criteria for
                                                  sample conditioner (P/N: 081040000),                     settings) specified in the designated                 selenium. The 2016 recommended
                                                  configured for operation with firmware                   method description (see the                           criterion reflects the latest scientific
                                                  version 1.0.2.126 or later, in accordance                identification of the method above).                  information, which indicates that
                                                  with the Teledyne Model T640                                Use of the method also should be in                selenium toxicity to aquatic life is
                                                  Operations Manual. This designation                      general accordance with the guidance                  primarily based on organisms
                                                  applies to PM2.5 measurements only.                      and recommendations of applicable                     consuming selenium-contaminated food
                                                    EQPM–0516–239, ‘‘Teledyne                              sections of the ‘‘Quality Assurance                   rather than direct exposure to selenium
                                                  Advanced Pollution Instrumentation                       Handbook for Air Pollution                            dissolved in water. Draft versions of the
                                                  Model T640 PM mass monitor with                          Measurement Systems, Volume I,’’ EPA/                 criterion underwent public review in
                                                  640X option,’’ continuous ambient                        600/R–94/038a and ‘‘Quality Assurance                 2014 and 2015 and external peer review
                                                  particulate monitor operated at a                        Handbook for Air Pollution                            in 2015. EPA considered all public
                                                  volumetric flow rate of 16.67 Lpm,                       Measurement Systems, Volume II,                       comments and peer reviewer comments
                                                  equipped with the louvered PM10 inlet                    Ambient Air Quality Monitoring                        in the development of the 2016 final
                                                  specified in 40 CFR 50 Appendix L,                       Program,’’ EPA–454/B–13–003, (both                    selenium criterion document. EPA’s
                                                  Figs. L–2 thru L–19, TAPI aerosol                        available at http://www.epa.gov/ttn/                  water quality criterion for selenium
                                                                                                                                                                 provides recommendations to states and
jstallworth on DSK7TPTVN1PROD with NOTICES




                                                  sample conditioner (P/N: 081040000),                     amtic/qalist.html). Provisions
                                                  configured for operation with firmware                   concerning modification of such                       tribes authorized to establish water
                                                  version 1.0.2.126 or later, in accordance                methods by users are specified under                  quality standards under the CWA.
                                                  with the Teledyne Model T640                             Section 2.8 (Modifications of Methods                 FOR FURTHER INFORMATION CONTACT: Joe
                                                  Operations Manual. This designation                      by Users) of Appendix C to 40 CFR part                Beaman, Health and Ecological Criteria
                                                  applies to PM10 measurements only.                       58.                                                   Division, Office of Water (Mail Code
                                                    EQPM–0516–240, ‘‘Teledyne                                 Consistent or repeated noncompliance               4304T), Environmental Protection
                                                  Advanced Pollution Instrumentation                       with any of these conditions should be                Agency, 1200 Pennsylvania Avenue


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Document Created: 2016-07-13 01:43:51
Document Modified: 2016-07-13 01:43:51
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionNotices
ActionNotice of the designation of a new reference method and four new equivalent methods for monitoring ambient air quality.
ContactRobert Vanderpool, Exposure Methods and Measurement Division (MD-D205-03), National Exposure Research Laboratory, U.S. EPA, Research Triangle Park, North Carolina 27711. Email: [email protected]
FR Citation81 FR 45284 

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