ILLINOIS POLLUTION CONTROL BOARD
    September
    27,
    1990
    IN THE MATTER OF:
    PROPOSED AMENDMENTS TO
    )
    R87-31
    PART
    214, MEASUREMENTS
    )
    (Rulemaking)
    METHODS FOR EMISSIONS
    OF SULFUR COMPOUNDS
    PROPOSED RULE.
    SECOND NOTICE
    OPINION AND ORDER OF THE BOARD
    (by
    B.
    Forcade):
    ~Thtsru±~emaking
    involves amendmentsto~35~IIt~Adm,Co~~214
    Sulfur Limitations,
    Section 214.101, Measurement Methods, as
    proposed by the Illinois Environmental Protection Agency
    (“Agency~).
    Subsection
    (a)
    of
    the rulemaking affects
    the stack
    testing measurement techniques
    for sulfur dioxide emissions from
    stationary sources.
    The balance of
    the rule primarily governs
    measurement methods for solid
    fuels.
    Affected sources include
    public utilities, private businesses, and various other entities
    in
    Illinois.
    The amendments are intended
    to resolve objections
    from the U.S. Environmental Protection Agency
    (“USEPA”)
    to the
    Illinois State Implementation Plan
    (“SIP”)
    for sulfur dioxide.
    The Board now proceeds
    to Second Notice,
    having received comments
    to its First Notice Opinion and Order
    of June
    21,
    1990.
    Procedural History
    The proposed amendments were filed by the Agency on August
    24,
    1987.
    Merit hearings were held on October
    23,
    1987
    in
    Chicago and on November
    6,
    1987
    in Springfield.
    On November
    9,
    1987, the Agency filed
    its First Amended Proposed Regulation and
    Statement of Reasons.
    On January
    1,
    1988,
    the Department of
    Energy and Natural Resources
    (“DENR”)
    filed a letter,
    acknowledging that
    an Economic Impact Study
    (“EcIS”) would be
    undertaken.
    The EcIS was filed on June
    9,
    1989.
    The Economic
    and Technical Advisory Committee
    (“ETAC”) opinion approving the
    EcIS was filed on July
    6,
    1989.
    EcIS hearings were held
    on
    September
    8,
    1989
    in Chicago and on September
    19,
    1989
    in
    Springfield.
    On June
    II,
    1990,
    the Agency filed
    its amended
    As indicated at First Notice,
    Deborah Stonich, presently
    a
    Board staff attorney,
    previously
    represented
    the Agency
    in this
    proceeding.
    Ms. Stonich has not participated
    in any of the
    Board’s deliberations on the proposed amendment.
    ii~—1
    59

    —2—
    proposal setting forth the rule as
    recommended by the Agency for
    First Notice.
    Since the Board’s First Notice Opinion and Order of June 21,
    1990,
    the Board received comments from the Administrative Code
    Division of the Office of
    the Secretary of State;
    from the
    Agency; and the Illinois Environmental Regulatory Group
    (“IERG”).
    Background
    The proposed rule
    is being issued
    in response to the refusal
    of USEPA in 1985 to accept the sulfur dioxide emission
    limitations
    in the Illinois State Implementation Plan
    (“SIP”).
    USEPA required that Part
    214.101, Measurement Methods,
    be
    revised
    oassureshort-terrn co~p1iarice_with the Natip~a.~
    ~~ept~i~
    Quality Standard (“NAAQS”) for sulfur dioxide.
    (See Merit
    Hearings, Exhibit
    8,
    1985.)
    tJSEPA maintained that stack
    testing
    -s-hould
    be-4-n-e1uded-~-i-n~
    determine
    short—t-erin
    compliance.
    The two month averaging method of existing Section
    214.101 was considered inadequate to establish short—term
    compliance,
    i.e.,
    3—hour and 24—hour compliance.
    Stack testing
    is USEPA’s preferred method to evaluate short—term compliance.
    The Agency estimated that 87 facilities would be affected by
    the rulemaking.
    DENR revised this number downward to
    78,
    of
    which
    52
    facilities would be required to make some changes
    in
    their existing practices.
    Introduction
    The proposed amendments
    to Section 214.101 provide that
    compliance shown by coal sample averaging techniques may not be
    used to refute evidence of non—compliance shown by stack testing,
    and vice versa.
    Stack test results,
    if required by the Agency,
    would be given controlling weight
    if stack
    testing revealed non-
    compliance.
    The Agency also proposed
    to add USEPA approved
    Methods
    6A,
    6B, and
    6C, found at
    40 CFR
    60, Appendix A,
    to
    supplement
    the existing Method
    6 stack testing procedure.
    Section 214.101 would also be amended to specify the methods
    and frequency of regular analysis of coal samples, based on the
    facility’s capacity
    to produce sulfur emissions,
    expressed in
    terms of
    total solid fuel—fired heat input capacity, measured
    in
    mega watts
    (MW)
    or millions
    of British thermal units
    per hour
    (MBtu/hr).
    Facilities were not previously categorized in this
    way, but
    now each would
    fall
    into one of four groups, with
    corresponding testing requirements.
    For discussion purposes,
    these facilities have been categorized as follows:
    115~~16r)

    —3—
    Category
    Capacity
    Proposed Frequency
    of
    Analysis
    Category
    1
    more than 439.5 MW
    Daily analysis
    (1,500 MBtu/hr)
    Section
    214.101(c)
    Category
    2
    146.5
    439.5 MW
    Weekly analysis
    of
    (500
    1,500 MBtu/hr)
    daily samples
    Section
    214.101(d)
    Category
    3
    14.65
    146.5 MW
    Monthly analysis of
    (50—500 MBtu/hr)
    daily samples
    Section
    214.101(e)
    Category
    4
    less than 14.65 MW
    Montily averag~.
    (50 MBtu/hr)
    Section
    214.1
    (f)
    ~•~~~Underthe existing rule,~themeasurement-method for~~-~~
    facilities
    is the same.
    Existing Section 214.101(a) provi~ ~ fo
    stack testing
    in accordance with USEPA approved Method
    6,
    und
    at
    40 CFR 60
    (1982),
    or procedures specified by the Agency,~ and
    existing Section 214.101(c) provides
    for two—month averages
    of
    coal samples.
    This second method demonstrates compliance by
    calculating a two—month average
    of daily samples of low sulfur
    fuel provided that no more than
    5
    of the samples are greater
    than 20
    above the average.
    Stack testing
    is rarely performed,
    and the two—month average of coal samples
    (sometimes
    in the
    record referred to
    as
    a 60—day average)
    is the
    method ordinarily
    used to show compliance with sulfur emissions limitations.
    The proposed rule would entail more frequent coal sampling
    and analysis than some facilities previously performed and would
    involve modest cost increases over amounts already spent
    for
    current procedures.
    The record suggests that
    stack testing,~with
    its related costs, would continue to be required on a relat:Lvely
    infrequent
    basis.
    Additional information on the development of the proposed
    rule may be found
    in the discussion
    of
    the Merit and EcIS
    hearings
    in the Board’s June 21,1990 First Notice Opinion and
    Order
    in this matter.
    Proposed Regulation
    The Board’s First Notice proposed rulemaking was based
    primarily on the Agency’s Amended Proposal
    filed June
    11,
    1990.
    Based on the comments received since First Notice,
    the proposed
    amendments
    to Section 214.101 would be modified slightly as
    discussed below.
    Incorporation by reference
    for cited materials
    requires amendments
    to
    35
    Ill. Adm. Code
    214.104, which are also
    updated and detailed below.
    Only minor changes
    are now being
    proposed by the Board, which will be more fully explained below.
    115—161

    —4—
    Discussion
    At First Notice the Board posed various questions to clarify
    language,
    to inquire about when stack testing might
    occur, and to
    specify current versions of documents incorporated by
    reference.
    As a result
    of First Notice Comments received,
    certain minor changes are being made
    in the Board’s Second Notice
    proposed rule.
    Changes from First Notice
    1.
    Section 214.101(a):
    Sulfur Dioxide Measurement
    Sulfur dioxide
    is to be measured
    n accordance with
    methods specified
    in
    40 CFR
    60, Appendix
    Method
    6,
    6A,
    6B or
    6C ~-orby-a±terriative--methodspursuant~t~
    R~~~tb1~
    response to the Board’s request
    for furth~
    clarification
    concerning alternative procedures,
    the Ag~ cy recommended a minor
    language change.
    Since any alternative
    t?:~t
    method to measure
    sulfur dioxide would be used under the cirumstances described by
    that method,
    the Agency suggested substituting the words
    “measurement procedures established
    pursuant
    to
    40 CFR 60.8(b)”
    for the words
    “measurement procedures spec~:fiedby ~
    pursuant
    to 40 CFR 60.8(b).”
    Ag.
    Comm. August
    28,
    1990,
    p.
    3
    (emphasis added).
    The Board agrees that this minor word change clarifies
    the intent of Section 214.101(a) and better informs affected
    businesses and institutions regarding
    sulfur dioxide measurement
    methods.
    2.
    Section
    214.101(c):
    Solid Fuel Averaging Measurement
    Daily Analysis Method
    Section 214.101(c) provides that
    if daily fuel analysis
    is used to demonstrate that emission levels are in compliance
    (or
    non—compliance),
    a two month average of daily samples would be
    calculated
    to represent the emission level or
    rate.
    This would
    then
    be compared with the emission limits
    of Section 214.122,
    214.141, 214.142(a),
    214.162,
    214.186,
    and 214.421.
    At First
    Notice,
    the emission level was referred
    to
    in Section 214.101(c)
    as “the sulfur dioxide hourly emission
    rate or emission rate
    expressed as kg/MW—hr
    (pounds per million flu).”
    The Agency
    recommends clarifying the intended meaning of
    this section by
    replacing the above quoted language with “the sulfur dioxide
    emission rate to be compared
    to the applicable emission limit.”
    Ag.
    Comm., August
    28,
    1990,
    p.
    4.
    The Agency explained that
    reference
    is being made to
    “the number of pounds per MMBtu that
    are not
    to be exceeded in
    ‘any one hour period’
    as provided in
    Sections
    214.122, 214.141,
    214.142(a),
    214.162,
    214.186 and
    115-162

    —5—
    2l4.42l.”* Ag. Comments, August
    28, 1990,
    p.
    ~.
    Thus, deleting
    the word “hourly” and the reference
    to kg/MW—hr may identify more
    clearly how
    the emission rate is expressed.
    In
    response to the Board’s question as to why Section
    214.142(b)
    was not referred
    to in Section 214.101(c),
    the Agency
    explained that averaging of emissions has never
    been allowed
    under Subpart
    E,
    and Section 214.142(b)
    refers specifically to
    Subpart
    E.
    See Ag. Comments,
    p.
    5.
    3.
    Section 214.104:
    Incorporation by Reference
    The Agency indicated that updated versions of two fuel
    sampling procedures should be incorporated by reference in
    Section
    ~
    Society for
    Testing
    and Materials
    (“ASTM”) procedures, ASTM D-2234,
    which should be
    updated for
    a
    1989 version,
    and ASTM D—2622, which should be
    updated for
    a 1987 version.
    Other Comments from the Agency
    In addition
    to explaining
    its rationale for the above
    recommended changes
    in the rule,
    the Agency responded to other
    questions raised by
    the Board
    in its First Notice Opinion and
    Order.
    The Agency
    comn’ented that the first sentence of Section
    214.101, which was drafted
    to satisfy
    USEPA stack testing
    concerns,
    should not
    be changed, particularly since identical
    language was recently approved by USEPA for the Indiana SIP.
    The
    Agency also restated
    its position that the coal
    sampling and
    averaging should be
    included in this rulemaking
    for submission
    to
    USEPA.
    On the subject
    of
    whether criteria could be included
    in
    the rule to determine when stack testing would be required,
    the
    Agency responded that any limitation on the Agency’s ability
    to
    require stack
    testing would
    impair
    its case by case approach
    to
    stack testing and might
    risk USEPA
    rejecting the rule.
    The
    Agency expressed
    its preference
    for
    a two-month average, versus a
    60—day average,
    noting
    that administrative burdens might
    exceed
    the benefit of better data obtained from
    the use of
    a rolling
    average.
    The Agency also clarified what
    it means by
    “standby status”
    in the context
    of calculating total
    heat input capacity for
    a
    facility.
    The term
    is intended
    to refer
    to “an emission source
    which
    is
    not used
    in the normal course of operations.
    For
    example,
    an emission source which does
    nor receive regular
    shipments
    of coal...”
    Ag. Comments,
    p.
    7.
    *
    Agency comments
    are assumed
    to have intended 214.421 and not
    214.122 as
    typed on
    p.
    4
    of the comments.
    115—163

    —6—
    As a further note of explanation on Section 214.101(c),
    which pertains to facilities using
    the daily analysis method,
    the
    Agency explained that reference to Section 214.121
    is being
    deleted since
    there are no longer any sources
    in Illinois
    regulated under
    this section.
    Comments from IERG
    IEP.G reiterated
    its position that the coal sampling and
    analysis should be
    required as a permit condition,
    and not as
    part
    of the federally enforceable Illinois SIP.
    IERG requested
    that the Board reconsider
    its position in
    the
    First Notice
    Opinion and Order, which rejected IERG’s assertions on this
    issue.
    With respect
    to incorporation by reference issues,
    IERG
    stated that the 1989 version
    of
    40 CFR
    60, Appendix A,
    is
    -~ea~e--
    Thi-s
    -
    is~con
    nt~±th~the~-Age-ncy’
    ~an~~h~e
    Board’s conclusion.
    However,
    IERG also asserted that additional
    documents,
    not included in the First Notice Opinion and Order,
    should be incorporated by reference
    in Section
    214.104.
    These
    items include:
    (1) Method
    19: Determination of Sulfur Dioxide
    Removal Efficiency and Particulate, Sulfur Dioxide and Nitrogen
    Oxides Emission Rates From Electric Utility Steam Generators;
    (2)
    ASTM
    D—4239C;
    and
    (3)
    (USEPA AP—42 document, Compilation of
    Air Pollutant Emission Factors,
    Sept.
    1985,
    Supp.
    Sept.
    1989.
    At
    this point
    in the rulemaking,
    the Board
    is unwilling to consider
    new methods and procedures, which could have been fully developed
    in the record,
    but were not.
    Additionally, ASTM D—4239,
    which
    is
    to be included in Section 214—104, encompasses
    three methods,
    A,
    B,
    and C, which the Board believes satisfies IERG’s objective
    in
    requesting
    inclusion of “ASTM D—4239C”.
    IERG
    is
    in agreement with the Agency that the circumstances
    under
    which stack
    testing should be required should not be part
    of the proposed rule.
    IERG would prefer
    that the averaging required under Section
    214.101(c) be performed on the basis of
    a 60—day average,
    as
    opposed
    to the two-month average which
    the Agency prefers.
    IERG
    is
    in
    agreement with the Agency’s position that the record does
    not support support
    the requirement of
    a rolling average.
    IERG also commented on “stand—by capacity”
    as this relates
    to calculating the total heat input capacity category of
    a
    facility.
    IERG states that “stand—by capacity” refers
    to boilers
    “that are not regularly used
    or rarely used and only used when,
    for whatever
    reason,
    they are needed.’
    IERG Comments,
    p.6.
    The
    Board must categorically reject such
    a broad definition and
    refers IERG to the Agency’s comments
    for guidance with the
    definition of
    “stand—by capacity.”
    1 15—164

    —7—
    IERG believes that Section 214.142
    is appropriately
    referenced in Section 214.101(c), but gave no further explanation
    on this point.
    As noted
    in the discussion of
    the Agency’s
    comments,
    this minor
    issue would seem to
    be resolved with the
    Agency’s response that no facilities
    fall under
    this rule.
    IERG
    requests
    the Board
    to clarify whether total heat input
    capacity
    is based on the entire plant or
    on the individual
    sources at
    the plant.
    The record seems
    clear that coal sampling
    and analysis requirements of Sections 214.101(c),
    (d),
    (e), and
    (f) apply
    to the individual sources
    to determine whether the
    individual source
    is
    in compliance.
    The heat input capacity
    is
    that
    of the plant, and not the source,
    for the purpose of
    determining which rule applies.
    See e.g.,
    Ex.
    5,
    Testimony of
    ~
    at
    p.
    6 and EcIS,
    pp.
    6—13.
    The Board declinos
    to carve out an exception for small
    sources at large plants or
    to
    vaguely direct that “consideration
    be
    given to small sources at
    latge plants.”
    IERG Cömtë~E7~7T
    SimiIãfI~7á~tf1ii~laté
    stage
    in the proceeding,
    the Board must decline to provide an
    exemption for sources which utilize continuous emissions monitors
    since this has not been adequately developed in the record.
    IERG
    Comments,
    pp.. 6,7.
    The Board also finds that IERG’s suggestions
    that the rulemaking should provide for the Agency’s modifying the
    rule on a case by case basis or provide
    for mechanical failures
    are unsupported
    by the record.
    IERG~sother comments concerning
    headings and possible typographical errors, particularly
    regarding the existing Section 214.104,
    are noted, and
    corrections have been made.
    Conclusion
    Based on the comments received during
    the First Notice
    comment period,
    the Board will propose
    for Second Notice
    the
    amendments
    to Part
    214, Measurements Methods
    for Emissions of
    Sulfur Compounds, consistent with
    the First Notice Opinion and
    Order and with minor modifications suggested by the Agency.
    The
    Board’s
    revised language
    is based on several considerations.
    First,
    the introductory sentence
    of the proposed rule
    is
    directed towards USEPA’s objections to
    the Illinois SIP.
    The
    participants are
    in substantial agreement
    that
    to secure USEPA
    approval the stack testing
    language must
    be given greater
    prominence as the means
    to show short—term compliance with the
    sulfur emissions standards.
    The Agency again endorsed the first
    sentence of
    the rule
    as satisfying USEPA’s stack
    testing
    concerns, and
    so the Board will retain
    this particular
    language.
    The sentence,
    “(d)etermination of compliance and non-
    compliance shall
    be made according
    to the methods of
    this
    section,” as suggested
    by
    a USEPA staff member at hearing, will
    115—165

    —8—
    not be substituted for the Agency’s proposed language.
    Tr.,
    Oct.
    27,
    1987,
    p.
    11.
    Second,
    the Board accepts the Agency’s minor revision
    in
    Section 214.101(a)
    concerning alternative stack testing
    procedures found in
    40 CFR 60.8(b).
    The Board agrees that
    procedures “established pursuant
    to 40 CFR 60.8(b)” clarifies
    this matter
    regarding the use of procedures other than Methods
    6,
    6A,
    6B,
    and 6C,
    incorporated by reference in Section
    214.104(a).
    This makes clear
    that alternative procedures would
    be federally prescribed rather than prescribed solely
    in
    accordance with the Illinois
    Administrative Code,
    as the existing
    regulation provides.
    ~j~the
    Board still maintains that~heAg.e~ac~and
    the
    Illinois Coal Association articulated the preferred position with
    respect to the proposed coal sampling and analysis rules
    found
    in
    s
    ubsee-t-~e~
    s—f-e-~-~
    —(~d-~
    —d~---The--B’~a
    rd~finds-
    t
    h~a-~
    ~t1Te
    S
    e
    proposed subsections provide clarity,
    specificity, and
    consistency with Agency practices, which will benefit both the
    regulated community and the
    Illinois coal industry.
    Although
    IERG again expressed its preference that the Agency use the
    permitting process as the means
    to regulate coal sampling and
    analysis practices,
    the Board continues to support the Agency’s
    proposed regulatory framework,
    as explained
    in the First Notice
    Opinion and Order.
    For these reasons the sampling and analysis
    sections are unchanged from First Notice,
    with the exception of
    adding a comma after sulfur
    in subsection
    (c)
    and using
    a lower
    case
    “s” for “subsection”
    in subsections
    (d)
    and
    (e).
    Fourth,
    the Board received comments to the Board’s proposing
    to use the phrase,
    “consecutive two—month average”
    to clarify and
    specify the meaning of
    the average in Section 214.101(c).
    In
    First Notice comments the Agency expressed its preference to
    retain this language and indicated that
    a rolling average would
    pose undesirable administrative burdens.
    IERG agreed that a
    rolling average would be unnecessary,
    but preferred
    a 60—day
    average.
    To accommodate the Agency’s administrative concerns the
    Board will retain the same language as proposed at First
    Notice.
    The Board requested that the participants comment on various
    other
    issues,
    including updated versions of materials to be
    incorporated by reference and the possibility of criteria for the
    Agency’s requiring stack
    testing.
    On both of these points the
    Agency and IERG seem
    to be
    in agreement,
    i.e.,
    the years are
    consistent
    for incorporated materials and neither participant
    wants
    to specify the conditions under which stack
    testing would
    be required.
    As noted earlier
    IERG recommended that other particular
    materials be
    included
    in Section 214.104, Incorporations by
    115—166

    —9—
    Reference.
    These are:
    (1)
    Method
    19
    (for measuring sulfur
    content),
    (2)
    ASTM D—4239C, and
    (3)
    USEPA AP—42 document
    (Compilation of Air
    Pollutant Emission Factors).
    As
    explained
    above,
    the proposed rule will not
    be revised
    to include these
    particular
    references.
    IERG also stated that at First Notice
    Method
    8 was inadvertently omitted from Section 214.101(a) and
    that ASTM D—2622 was incotrectly referred to as a solid fuel
    sampling procedure
    in
    Section 214.104.
    The Board believes
    that
    Method
    8 has not been left out
    of Section 214.101(a),
    but
    is
    correctly included
    in
    Section 214.10(b).
    The Board agrees
    that
    ASTM D—2622 was inadvertently included
    in the
    fuel
    sampling
    subsection based on the Agency’s Amended Proposal filed June
    11,
    1990.
    ASTM D—2622 will
    remain in the sulfur determinations
    subsection as the current regulation provides, but the rule will
    be amender
    to update
    hat procedure for the 1987 version.
    ORDER
    The Board
    herei
    proposes
    for First Notice the following
    amendments
    to
    35
    Ill
    Adm. Code
    214 and directs the Clerk
    to file
    these with the Secre ary of State.
    Section
    214.101
    Measurement Methods
    A determination
    of
    non—compliance based
    on any subsection of
    this Section shall
    not be
    refuted by evidence of
    compliance
    with any other subsection.
    a)
    Sulfur Dioxide Measurement.
    Measurement
    of sulfur
    dioxide emissions
    from stationary sources
    shall
    be made
    according to ~e
    ~r~eed~e
    b~~ed an applicable
    method specified
    in 40 CFR 60, Appendix A, Method 6,_6A,
    6B,
    or
    6C t198~, incorporated by reference
    in Section
    214.104(a),
    or
    by measurement procedures established
    ~ee~f-~ed b~t~e~
    B
    e~et~a+Pe~ee~4e~
    A~eney-~ger~e~
    ~ee~d~r~
    ~e ~e
    p±~+~i~
    ~f S5
    Ad~--
    eode
    ~
    pursuant
    to 40 CFR 60.8(b),
    incorporated
    by reference
    in Section 214.104(b).
    b)
    Sulfuric Acid Mist and Sulfur Trioxide Measurement.
    Measurement
    of sulfuric acid mist and sulfur trioxide
    shall
    be according
    to the barium—thorin titration method
    a~
    b++~hedspecified
    in
    40 CFR 60, Appendix A, Method
    8 -f-~98~-~,
    incorporated by reference
    in Section
    214
    .
    104 (a)
    c)
    Solid
    Fuel ~veraging Measurement
    Daily Analysis
    Method.
    This subsection a~cliesto
    sources
    at plants
    with
    total solid fuel—fired
    heat input capacity
    exceedinc 339.5 MW
    (1500 mfilion Btu/hr).
    If ±e~~+f~
    ~e+~
    daily
    fuel analysis
    is used to eem~y demonstrate
    compliance
    or
    non—compliance with Sections
    ~47~±,
    115—ET

    —10—
    214.122,
    214.141, 2l4.l42~~j,214.162,
    214.186 and
    214.421, the app~4e~b~e
    ~id
    f~e~
    sulfur dioxide
    artderd emission rate to be compared to the emission
    limit shall be n~e~
    by considered to be the result
    of ~
    any consecutive two month average of daily samples w~h
    provided no more than 95 percent of the sample5 be4~
    values are
    i~e
    greater
    than 20 percent above the sample
    average.
    If samples from a source cannot meet this
    statistical
    criterion,
    each individual daily sample
    analysis for such source shall
    be compared to the
    standard to determine compliance.
    The specific ASTM
    procedures,
    incorporated by reference in Section
    214.104(c),
    shall be used
    for solid fuel sampling,
    sulfur, and heating value determinations.
    c
    Weekly Analysis Method.
    This subsection applies
    to
    sources at plants with total solid fuel—fired heat
    input
    -eapaeityexceeding ~
    exceeding 439.5 MW (1500 million Btu/hr).
    These plants
    shall demonstrate compliance or non—compliance with
    Sections 214.122, 214.141,
    214.142(a), 214.162,
    214.186
    and 214.421 by either
    an analysis of calendar weekly
    composites
    of daily fuel samples or
    by compliance with
    subsection
    (c) above,
    at
    the option of the plant.
    The
    specific ASTM procedures,
    incorporated by
    reference in
    Section 214.104(c),
    shall be used
    for sulfur and heating
    value determinations.
    e~
    Monthly Analysis Method.
    This subsection applies
    to
    sources
    at plants with total solid fuel—fired heat input
    capacity exceeding 14.65 MW
    (50 million Btu/hr)
    but not
    exceeding 146.5 MW
    (500 million Btu/hr).
    These plants
    shall demonstrate compliance
    or
    non-compliance with
    Sections 214.122,
    214.141,
    214.142(a),
    214.162,
    214.186
    and 214.421 by either an analysis of calendar monthly
    composites of daily fuel samples
    or
    by compliance
    with
    subsection
    (c) above,
    at the option of
    the plant.
    A.S.T.M. procedures,
    incorporated by reference in
    Section 214.104(c),
    shall be used for sulfur and heating
    value determinations.
    f)
    Small Source Alternative Method.
    This subsection
    applies
    to sources at plants
    with total solid fuel—fired
    heat input capacity not exceeding 14.65 MW
    (50 million
    Btu/hr).
    Compliance or non—compliance with Sections
    214.122,
    214.141,
    214.142(a),
    214.162, 214.186 and
    214.421 shall
    be demonstrated
    by a
    calendar month
    average sulfur dioxide emission rate.
    a)
    Exemptions.
    Subsections
    (c)
    through
    (f)
    shall
    not apply
    to sources controlling sulfur dioxide emissions by flue
    gas desulfurization equipment or by sorbent
    injection.
    115--i6~

    —11—
    h)
    Hydrogen Sulfide Measurement.
    For purposes of
    determining compliance with Section 214.382(c),
    the
    concentration of hydrogen sulfide
    in petroleum refinery
    fuel gas shall
    be measured using
    the Tutwiler Procedure
    specified
    in
    40 CFR 60.648
    (-~9B6)--~,incorporated by
    reference
    in Section 214.104(d).
    Section 214.104
    Incorporations by Reference
    The following materials are incorporated by reference.
    These
    incorporations do not include any later amendments
    or
    editions.
    a)
    40 CFR 60, Appendix A
    98~ (1989):
    1)
    Method
    6:
    ~e~hea
    ~r
    ~ea~reme~
    Determination
    of
    ~Sulfur
    ~Dioxide
    ~Emissions~
    From Stationary
    Sources
    2)
    Method 6A:
    Determination
    of Sulfur Dioxide,
    Moisture, and Carbon Dioxide Emissions From Fossil
    Fuel Combustion Sources
    3)
    Method
    6F:
    Determination of Sulfur Dioxide
    and
    Carbon Dioxide Daily Average Emissions From Fossil
    Fuel Combustion Sources
    4)
    Method 6C:
    Determination of Sulfur Dioxide
    Emissions
    From Stationary Sources
    (Instrumental
    Analyzer Procedure)
    ~5)
    Method
    8:
    b4—the~4~
    ~4a~4e~
    ~e~hed~
    Determination of Sulfuric Acid Mist and Sulfur
    Dioxide Emissions From Stationary Sources.
    ~J
    40 CFR
    60.8(b)
    (1989),
    Performance Tests.
    bc)
    American Society
    for Testing and Materials,
    1916 Race
    Street, Philadelphia,
    PA
    19103:
    1)
    For solid
    fuel sampling:
    ASTM D—2234
    9~6-)~(1989)
    ASTM D—2013 ±±9~6~
    (1986)
    2)
    For sulfur determinations:
    ASTM D—3177 ~±9~6j- (1984)
    ASTM D—2622 ~-198~
    (1987)
    115—169

    —12—
    ASTM D—3180
    (1984)
    ASTM D—4239
    (1985)
    3)
    For heating value determinations:
    ASTM D—2015
    9Th~(1985)
    ASTM D—3286 ~9~6-~
    (1985)
    ed)
    Tutwiler Procedure
    for hydrogen sufide,
    4C CFR 60.648
    ~98Gj
    (1989).
    IT
    1S SO ORDERED.
    I~,-Dorot-h-y~hGunn,-Cler~k-of-theIllinois Pe~
    Board, hereby certify that the abov~Opinion and 0
    r was
    adopted on the
    ~
    day of
    ~
    990, by a
    vote of
    _________
    Dorothy
    M.
    Gunn, Clerk
    Ti
    1
    ~
    T)~-~1
    1
    ,.-
    ~
    ,-~.,+-
    .-,-~1
    D,-.—.-,1
    115—17(1

    —2—
    IT IS SO ORDERED.
    I, Dorothy
    M.
    Gunn, Clerk of the Illinois Pollution Control
    Board, hereby certify that the above Order was adopted on_the
    :37~
    day of
    :~:
    -‘
    ,
    1990,
    by a vote of__________
    ?~
    ~)
    Dorothy M. ‘Gunn, Clerk
    Illinois Pollution Control Board
    115—158

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