[Federal Register Volume 59, Number 131 (Monday, July 11, 1994)]
[Unknown Section]
[Page 0]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 94-16723]


[[Page Unknown]]

[Federal Register: July 11, 1994]


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ENVIRONMENTAL PROTECTION AGENCY
Office of Research and Development
[FRL-5010-5]

 

Ambient Air Monitoring Reference and Equivalent Methods; 
Reference Method Designation

    Notice is hereby given that EPA, in accordance with 40 CFR part 53, 
has designated another reference method for the determination of 
ambient concentrations of particulate matter measured as PM10. The 
new reference method is a gravimetric method which utilizes a specially 
designed PM10 sampler for particle collection. The designated 
method is identified as follows:

    RFPS-0694-098, ``Rupprecht & Patashnick PartisolTM Model 
2000 Air Sampler'', consisting of a Hub Unit and 0, 1, 2, or 3 
Satellite Units, with each sampling station used for PM10 
measurements equipped with a Rupprecht & Patashnick PM10 Inlet 
and operated for continuous 24-hour periods using the Basic, Manual, 
Time, Analog Input, or Serial Input programming modes, and with or 
without any of the following options:

Stand for Hub or Satellite
57-002320
Advanced EPROM
59-002542
Large Pump (\1/4\ hp), 120 VAC
10-001403

Hardware for Indoor Installation consisting of:

Temperature Sensor (Extended
  Length)
51-002638-xxxx
Roof Flange (1\1/4\'')
55-001289
Support Tripod for Inlet
57-000604
Sample Tube Extension
  (1 m)
57-002526-0001
Sample Tube Extension
  (2 m)
57-002526-0002

Hardware for Outdoor Installation in Extreme Cold Environments:
Insulating Jacket for Hub Unit
10-002645

    This method is available from Rupprecht & Patashnick Co., Inc. 
(R&P), 25 Corporate Circle, Albany, New York 12203. A notice of receipt 
of application for this method appeared in the Federal Register, Volume 
59, March 30, 1994, page 14853.
    The hub unit of the PartisolTM Model 2000 Air Sampler contains 
a filter holder assembly, the flow control system, the valves to direct 
the sample flow through the hub or appropriate satellite unit, the 
sample pump, a microprocessor, keypad, information display, and 
associated electronics. Each satellite unit contains only a filter 
holder assembly and is connected to the hub unit through a single flow 
line. Each sampling station (hub or satellite) used for PM10 
measurements must be equipped with an R&P PM10 inlet (other 
sampling stations may have other types of inlets). Only one sampling 
station may operate at a time.
    The Model 2000 uses 47mm diameter filters mounted in cassettes. 
Filter media meeting the minimum requirements specified in appendix J 
to 40 CFR part 50 (Reference Method for the Determination of 
Particulate Matter as PM10 in the Atmosphere) are available from 
R&P, or may be obtained from other sources, depending on individual 
user needs. A 5-place analytical balance is required for weighing 
filters before and after sampling.
    Test samplers representative of this method have been tested by the 
applicant, in accordance with the test procedures specified in 40 CFR 
part 53. After reviewing the results of these tests and other 
information submitted by the applicant, EPA has determined, in 
accordance with part 53, that this method should be designated as a 
reference method. The information submitted by the applicant will be 
kept on file at EPA's Atmospheric Research and Exposure Assessment 
Laboratory, Research Triangle Park, North Carolina 27711, and will be 
available for inspection to the extent consistent with 40 CFR part 2 
(EPA's regulations implementing the Freedom of Information Act).
    As a designated reference method, this method is acceptable for use 
by States and other air monitoring agencies under requirements of 40 
CFR part 58, Ambient Air Quality Surveillance. For such purposes, the 
method must be used in accordance with the guidance in appendix J to 40 
CFR part 50 and the specific procedures contained in the operation or 
instruction manual associated with the method. Use of the method is 
also subject to any limitations specified in the applicable designation 
(see description of the method above). Vendor modifications of a 
designated method used for purposes of part 58 are permitted only with 
prior approval of EPA, as provided in part 53. Provisions concerning 
modification of such methods by users are specified under section 2.8 
of appendix C to 40 CFR part 58 (Modifications of Methods by Users).
    In general, this designation applies to any sampler which is 
identical to the sampler described in the designation. Similar samplers 
manufactured and sold prior to the designation may be upgraded (e.g., 
by minor modification or by substitution of a new operation or 
instruction manual) so as to be identical to the designated method and 
thus achieve designation status at a modest cost. The manufacturer 
should be consulted to determine the feasibility of such upgrading.
    Part 53 requires that sellers of designated methods comply with 
certain conditions. These conditions are given in 40 CFR 53.9 and are 
summarized below for PM10 methods:
    (1) A copy of the approved operation or instruction manual must 
accompany the PM10 sampler when it is delivered to the ultimate 
purchaser.
    (2) The PM10 sampler must not generate any unreasonable hazard 
to operators or to the environment.
    (3) The PM10 sampler must function within the limits of the 
performance specifications given in table D-1 of part 53 for at least 
one year after delivery when maintained and operated in accordance with 
the operation manual.
    (4) Any PM10 sampler offered for sale as a reference or 
equivalent method must bear a label or sticker indicating that it has 
been designated as a reference or equivalent method in accordance with 
part 53.
    (5) An applicant who offers PM10 samplers for sale as 
reference or equivalent methods is required to maintain a list of 
ultimate purchasers of such samplers and to notify them within 30 days 
if a reference or equivalent method designation applicable to the 
sampler has been canceled or if adjustment of the samplers is necessary 
under 40 CFR 53.11(b) to avoid a cancellation.
    (6) An applicant who modifies PM10 sampler previously 
designated as a reference or equivalent method is not permitted to sell 
the sampler (as modified) as a reference or equivalent method (although 
he may choose to sell it without such representation), nor to attach a 
label or sticker to the sampler (as modified) under the provisions 
described above, until he has received notice under 40 CFR 53.14(c) 
that the original designation or a new designation applies to the 
method as modified or until he has applied for and received notice 
under 40 CFR 53.8(b) of a new reference or equivalent method 
determination for the sampler as modified.
    Aside from occasional breakdowns or malfunctions, consistent or 
repeated noncompliance with any of these conditions should be reported 
to: Director, Atmospheric Research and Exposure Assessment Laboratory, 
Department E (MD-77), U.S. Environmental Protection Agency, Research 
Triangle Park, North Carolina 27711.
    Designation of this reference method will provide assistance to the 
States in establishing and operating their air quality surveillance 
systems under part 58. Technical questions concerning the method should 
be directed to the manufacturer. Additional information concerning this 
action may be obtained from Frank F. McElroy, Methods Research and 
Development Division (MD-77), Atmospheric Research and Exposure 
Assessment Laboratory, U.S. Environmental Protection Agency, Research 
Triangle Park, North Carolina 27711, (919) 541-2622.
Carl Gerber,
Assistant Administrator for Research and Development.
[FR Doc. 94-16723 Filed 7-8-94; 8:45 am]
BILLING CODE 6560-50-M