ILLINOIS POLLUTION CONTROL BOARD
    June
    15,
    1995
    DECATUR AUTO AUCTION,
    )
    Complainant,
    )
    v.
    )
    PCB 93—192
    (Enforcement
    -
    Air)
    MACON
    COUNTY
    FARM BUREAU,
    )
    INC.,
    MACON
    COUNTY
    FAIR
    )
    ASSOCIATION,
    and
    MACON
    )
    COUNTY HORSEMEN’S
    )
    ASSOCIATION,
    )
    Respondents.
    CHARLES
    HUGHES,
    KEHART
    SHAFTER
    HUGHES
    &
    WEBBER
    APPEARED
    ON
    BEHALF
    OF COMPLAINANT;
    RICHARD HEAVNER, HEAVNER HANDEGAN & SCOTT APPEARED ON BEHALF OF
    THE MACON COUNTY FARM BUREAU INC. AND THE DECATUR MACON COUNTY
    FAIR ASSOCIATION;
    LEROY MOYER APPEARED ON BEHALF OF THE ILLINOIS HORSEMEN’S
    ASSOCIATION.
    OPINION AND ORDER OF THE BOARD
    (by N. McFawn):
    On October 14,
    1993, the Decatur Auto Auction (Auto Auction)
    filed a formal complaint alleging that respondents the Macon
    County Farm Bureau,
    Inc.
    (Farm Bureau), the Macon County Fair
    Association
    (MCFA), and the Macon County Horseman’s Association
    (Horsemen’s
    Association)
    are
    discharging
    dust
    in
    violation
    of
    Section
    9
    of
    the
    Environmental
    Protection
    Act
    (Act)
    (415
    ILCS
    5/9),
    and
    Section
    212.301
    of
    the
    Board’s
    regulations
    (35
    Ill.
    Adm.
    Code
    Section
    212.301).
    By
    order
    dated
    December
    16,
    1993
    the
    Board struck a portion
    of the complaint seeking money damages,
    and
    accepted
    the
    matter
    for
    hearing.
    Hearing
    was
    held
    on May 26,
    1994,
    and
    was
    continued
    on
    the
    record
    to
    June
    6,
    1994.
    BACKGROUND
    The
    Decatur
    Auto
    Auction
    is located on a 10—acre site at
    1991
    West
    Mound
    Road,
    Decatur,
    Illinois.
    Approximately
    75
    to
    80
    percent
    of
    the
    site
    is
    paved,
    although
    there
    is
    a
    parking
    lot
    located
    at
    the
    east
    end
    of
    the
    property
    which
    is
    covered with
    white
    rock.
    The
    main office is
    located in the center of the
    property,
    and
    a
    reconditioning
    shop
    is located at the west end.
    The
    property
    is
    bounded
    by
    farmland to the north and east,
    Bachrach’s
    corporate
    headquarters
    to
    the
    northeast,
    a
    machine
    shop
    to
    the
    west,
    and
    by
    the Macon County Fairgrounds to the
    south.

    2
    The Auto Auction provides a meeting place and reconditioning
    service for buyers and sellers of automobiles, and generates most
    of its revenues from buyers’ and sellers’
    fees.
    The Auto Auction
    is open 24 hours
    a day seven days a week,
    although its main
    business hours are from
    9 a.m.
    to
    5 p.m. Monday through Friday,
    and from 9 a.m. to noon on Saturday.
    The Auto Auction employs
    approximately 70 to 80 people, half of which are part-time
    employees.
    The Auto Auction has two sales per week:
    the first takes
    place at
    6 p.m.
    on Mondays, and the second takes place at 11 a.m.
    on Fridays.
    The Auto Auction sells approximately 700 vehicles
    per week,
    selling approximately 300 at the Monday sale and 400 at
    the Friday sale.
    Although the vehicles for sale can be brought
    to the lot at any time,
    approximately 75 to 85 percent come in
    the day before the sale.
    Approximately 85 percent of the
    vehicles are brought to the site in clean condition and ready for
    sale.
    For the remainder,
    the Auto Auction offers a
    reconditioning service where
    it washes and waxes the vehicles,
    shampoos the carpets, details the engine compartment, cleans the
    trunk, and dresses the tires.
    Respondent MCFA is a not-for-profit organization which
    organizes the Macon County Fair,
    and which leases the Macon
    County Fairgrounds,
    including a three—quarter mile dirt racetrack
    located on the Fairgrounds site.
    MCFA leases the property on
    which the fair is held,
    including the racetrack,
    from respondent
    Farm Bureau for $2000 per year.
    The fair has been held at this
    site each year since 1955.
    The MCFA sub-leases the racetrack and buildings with stalls
    to the Horsemen’s Association for $4000 per year.
    The Horsemen’s
    Association is an organization consisting of people that own and
    train horses at this location.
    The Horsemen’s Association leases
    approximately 50 to 60 stalls for $30.00 per month.
    (Tr.
    at
    143.)
    Under the terms of the lease agreement with the MCFA,
    the
    Horsemen’s Association is responsible for maintaining the
    racetrack.
    The racetrack is a three—quarter mile dirt racetrack which
    is used for training horses for harness racing.
    The horses that
    train at the site pull
    small carts called sulkies.
    Approximately
    50
    60 horses train at the site seven days a week,
    51 weeks per
    year.
    The track is closed to the horses for one week a year
    during which time the MCFA holds an antique auto show at the
    track.
    The track is periodically maintained by a truck or
    tractor which pulls drag equipment, which scrapes and smooths out
    the surface of the racetrack.
    Complainant alleges that respondents have violated Section
    9(a)
    of the Environmental Protection Act and 35 Ill. Adm. Code
    212.301 by discharging dust into the atmosphere and onto

    3
    complainant’s property.
    Complainant alleges that the dust is
    discharged from the racetrack when the horses run upon it, and
    when the drag equipment is used to smooth the surface of the
    track.
    Complainant alleges that the discharges of fugitive dust
    can be eliminated through administration of a dust suppressant
    treatment program which includes two major treatments per year,
    with additional maintenance as necessary,
    at an incremental cost
    to respondents of $2,500 per year.
    Complainant seeks an order of the Board requiring
    respondents to cease and desist from violations of the Act and
    Board regulations, directing respondents to institute a
    continuing program for the treatment of the dirt track with
    acceptable dust suppressive chemicals,
    and requiring respondents
    to appoint an on—site coordinator responsible for overseeing
    treatment and maintenance of the track.
    STATUTORY
    FRAMEWORK
    Section 9(a)
    of the Act provides:
    No person shall:
    (a)
    Cause or threaten to allow the discharge or
    emission of any contaminant into the environment
    in any State so as to cause or tend to cause air
    pollution in Illinois,
    .
    .
    .
    or so as to violate
    regulations or standards adopted by the Board
    under this Act;
    (415 ILCS 5/9
    (1992).)
    Section 3.02 of the Act defines “Air Pollution”
    as:
    the presence in the atmosphere of one or more
    contaminants in sufficient quantities and of such
    characteristics and duration as to be injurious to
    human,
    plant, or animal life, to health,
    or to property
    or to unreasonable interfere with the enjoyment of life
    or property.
    (415 ILCS 5/3.02
    (1992).)
    Two types of actions are possible based on violations of
    Section
    9 of the Act:
    “nuisance” violations, where the complained
    of emissions unreasonably interfere with the complainant’s life,
    health or property,
    or unreasonably interfere with the
    complainant’s enjoyment of life,
    and violations of the standards
    set out in the Board’s air regulations.
    In this action,
    complainant has alleged both types
    of violation.

    4
    NUISANCE VIOLATION
    In determining whether respondents have violated Section
    9(a)
    of the Act so as to cause a nuisance violation, the Board
    must determine whether respondents have emitted dust so as to
    unreasonably interfere with the complainant’s enjoyment of life
    or pursuit of any lawful business or activity.
    “The Board must
    balance the costs and benefits of abatement in an effort to
    distinguish ‘the trifling inconvenience, petty annoyance or minor
    discomfort’
    from ‘a substantial interference with property.’”
    (Wells Manufacturing Co.
    v. Pollution Control Board 73 Ill.2d
    226, 232,
    383 N.E.2d 148,
    150,
    citing
    Processing and Books,
    Inc.
    v. Pollution Control Board
    (1976),
    64 Ill.2d 68,
    77,
    351 N.E.2d
    865.)
    The Illinois Supreme Court has directed the Board to
    consider the factors outlined by Section 33(c)
    of the Act when
    determining the unreasonableness of the alleged air pollution in
    a nuisance action.
    (Wells Manufacturing Co.
    v. Pollution Control
    Board 73 Ill.2d 226,
    232
    233,
    383 N.E.2d
    148,
    150
    151
    (1978).)
    The Section 33(c)
    factors are as follows:
    (i)
    the character and degree of injury to,
    or
    interference with the protection of the health,
    general welfare and physical property of the
    people;
    (ii)
    the social and economic value of the pollution
    source;
    (iii)
    the suitability or unsuitability of the pollution
    source to the area
    in which it is located,
    including the question of priority of location
    in
    the area involved;
    (iv)
    the technical practicability and economic
    reasonableness of reducing o eliminating the
    emissions
    .
    .
    .
    resulting from such pollution
    source; and
    (v)
    any subsequent compliance.
    (415 ILCS 5/33(c)
    (1992).)
    The Board need not find against the respondent on each of the
    statutory criteria, and is not precluded from considering
    additional relevant factors.
    (Wells Manufacturing at 151.)
    Character and Degree of Interference
    Complainant asserts that the prevailing winds during drier
    weather are from a southerly direction,
    coming from the south,

    5
    southeast, or southwest,
    at an average wind velocity of
    5
    12
    miles per hour.
    Complainant asserts that, when the winds are
    from a southerly direction,
    dust generated from the racetrack is
    blown onto the Decatur Auto Auction.
    Complainant asserts that the dust discharged by respondents
    coats automobiles which have been cleaned for upcoming auctions,
    infiltrates electronic equipment causing breakdowns, makes it
    difficult for employees to breath, and results in the Auto
    Auction making additional expenditures for materials,
    labor,
    and
    wear and tear on its equipment.
    Complainant introduced into evidence two video tapes made by
    Mr. Harry Polen,
    a dealer representative at the Auto Auction, and
    the father of Steve Polen, the Auto Auction’s owner.
    The first
    video
    (video #1)
    is a compilation of video recordings.
    There is
    some dispute as to the exact time period covered by the video,
    although it apparently covers a period of several years prior to
    1994.
    (Tr. at 56.)
    Video #1 shows horses pulling sulkies
    circling the track,
    generating dust which can be seen blowing in
    clouds, and crossing onto the Auto Auction property.
    It also
    shows close—up views of cars with words written in the dust
    covering the cars.
    The second video
    (video #2) was taken on one
    day in May 1994, and shows similar activities,
    as well as a tank
    truck watering the track.
    Harry Polen testified that the
    occurrences on both tapes were not unusual, and represented
    accurate depictions of conditions at the site.
    Steve Polen also
    testified as to the accuracy of the tapes in depicting conditions
    at the site.
    (Tr. at 56
    -
    57.)
    Complainant also introduced into
    evidence photographs showing dust being generated by horses
    pulling sulkies and a tractor pulling drag equipment,
    as well as
    the build-up of dust in its computer equipment.
    (Exs.
    4,5,
    8-11.)
    At hearing, complainant presented the testimony of Mr. Bob
    Stortzuin,
    an inspector with the Illinois Environmental Protection
    Agency’s
    (Agency) Bureau of Air.
    Mr.
    Stortzum testified that he
    has visited the site at least once per year since 1987,
    and that
    upon inspecting the racetrack, he found between a half—inch and
    an inch of loose dirt on top, and that the track surface was in
    need of dust suppressant treatment.
    (Tr.
    at 108.)
    Additionally,
    he testified that upon inspecting the racetrack on May 20,
    1994,
    he personally observed fugitive dust being generated and crossing
    the property line from the fairgrounds onto the Auto Auction
    property, causing air pollution in violation of Section 9(a)
    of
    the Act and Section 212.301 of the Board’s air regulations.
    (Tr.
    at 107; 120.)
    Mr. Stortzum testified that the dust emissions would be
    emitted onto the Auto Auction property approximately fifty
    percent of the time.
    He further testified that if a suppressant
    program with two major treatments per year, with minor
    maintenance in between, was undertaken and maintained,
    it would

    6
    effectively deal with the problem.
    Mr. Stortzum testified that
    the Agency had requested respondents to establish an on—site
    coordinator responsible for treating and maintaining the track,
    but that no such person has been designated.
    During Mr. Stortzum’s testimony, complainant introduced into
    evidence a series of letters sent between the Agency and
    respondents which document the history of complaints against the
    site.
    The letters cover a time period from May 13,
    1987, to June
    29,
    1993, and include two pre—enforcement letters issued pursuant
    to Section 31(d)
    of the Act.
    These letters were admitted into
    evidence without objection.
    (Exh.
    14.)
    Respondents have not contested Mr. Stortzum’s qualifications
    as an expert, nor contested his testimony that the dust emitted
    from the racetrack crossed onto the Auto Auction site in
    violation of the Board’s regulations.
    Furthermore, although
    respondents have asserted that segments of video #1 are over four
    years old, and that video #1
    is not relevant to the current
    situation (Respondents Br.
    at
    3), they have not contested
    complainant’s assertion that video #2 accurately portrays
    conditions at the site.
    Rather, respondents assert that a
    comparison of video #1 to video #2 shows that the dust problem
    has decreased over the years.
    Respondents also point out that
    complainant admitted at the June 6,
    1994 hearing that the problem
    was less severe in 1994.
    (Respondents Br. at
    3.)
    At hearing respondents presented several possible
    alternative sources for the dust at complainant’s site.
    There
    was testimony that dust was generated by customers of the auto
    auction when using an asphalt test strip located on the
    fairgrounds property to test cars.
    Respondents introduced into
    evidence several photographs showing cars driving on the test
    strip, generating dust.
    (Respondent’s Ex.
    6
    12.)
    However,
    it
    was uncontested that complainants have not used the test strip
    since August 28,
    1992.
    (Tr. at 84.)
    There was also testimony
    that dust was generated by complainants when a sweeping machine
    swept the site.
    However,
    it was also uncontested that the site
    was swept on only one such occasion.
    Furthermore,
    there is a
    white rock area on the east end of the Auto Auction, which
    complainant admits occasionally generates dust.
    However,
    it is
    uncontested that the white rock area has been treated and that
    dust from that area does not blow onto the Auto Auction site.
    Respondents further assert that it is uncontested that the
    track has been treated on an annual basis since 1987,
    and that
    this treatment has been performed on a voluntary basis.
    They
    also point out that they have never been found
    in violation of
    any laws by the Agency.
    Additionally, respondents assert that,
    subsequent to the hearing in this matter, the track was treated
    in June 1994,
    and that the track is not now in violation of the
    law.

    7
    We find that complainant has demonstrated that respondents
    have emitted dust onto complainant’s property which interferes
    with complainant’s business activities.
    The evidence
    demonstrates that respondents have emitted such dust over a
    period of years, causing added expense for complainant’s
    business.
    Although several other possible sources of dust have
    been alleged, none of these have been shown to cause an on—going
    problem.
    The evidence demonstrates that the racetrack is the
    main source of dust emissions.
    Furthermore, Agency inspector
    Stortzum testified that the track was not properly maintained,
    and that he observed conditions which he believes evidenced
    violations of the Act.
    While respondents have treated the track
    at least once per year since 1987, clearly based upon the
    testimony and pictorial evidence provided at hearing,
    that
    treatment program has not been sufficient to avoid fugitive dust
    emissions onto complainant’s property.
    The Social and Economic Value of the Pollution Source
    The record establishes that the MCFA is a not-for-profit
    organization which organizes the Macon County Fair, which has
    been held at the fairgrounds location since
    1955.
    The MCFA
    leases the racetrack and stalls to the Horsemen’s Association,
    which in turn leases the stalls to horse owners that train the
    horses at the site.
    We find that the MCFA provides a public
    benefit by organizing and holding the county
    fair.
    We also find
    that the Horsemen’s Association’s use of the site provides a
    benefit for members of its organization.
    Complainant does not
    dispute the social value of the racetrack if the track is
    maintained so as to avoid nuisance conditions.
    Suitability of the Pollution Source to the Area
    As previously mentioned,
    the fairgrounds has been the site
    of the Macon County Fair since 1955.
    Surrounding land uses
    include farming,
    residential housing,
    and commercial land uses,
    including the Auto Auction, Bachrach’s corporate headquarters,
    and a machine shop.
    The Auto Auction was not established at
    its
    present location until
    1986.
    We therefore find that the Auto
    Auction was on notice of the possibility that some annoyances
    from the pre—existing racetrack could affect its operations,
    although the racetrack’s priority of location does not constitute
    an absolute defense.
    (Wells Manufacturing Co.
    v.
    Pollution
    Control Board,
    383 N.E.2d 148,
    152,
    73 Iii.
    2d 226
    (1978).)
    However, complainant has not asserted that the fairgrounds
    is inappropriately located.
    Rather, the complaint is based on
    the grounds that the racetrack is inappropriately maintained, and
    that it is this inappropriate maintenance which
    is causing the
    violations.
    Accordingly, we conclude that the racetrack,
    if
    properly maintained, represents an appropriate use for the area
    in which it is located.

    8
    Technical Practicability and Economic Reasonableness of Reducing
    or Eliminating Emissions
    Respondents do not dispute the technical practicability of
    treating the track so as to avoid dust emissions.
    In fact,
    as
    both parties agree, the track has been treated once per year
    since 1987.
    The parties also agree that when the track is
    properly treated it does not cause violations of the Act.
    However, the parties disagree over whether
    it is necessary to
    treat the track one additional time each year,
    and who should
    bear the cost for additional treatment.
    As previously mentioned,
    Mr. Stortzum testified that a dust
    suppressant treatment program with two major treatments per year
    with minor maintenance in between, would effectively control dust
    emissions from the racetrack.
    Mr. Stortzum also testified that
    each dust—suppressant treatment costs approximately $2,500.
    Since respondent’s are currently treating the track once per
    year,
    the incremental cost of achieving compliance would be the
    cost of one additional treatment per year.
    This estimate
    includes the labor cost of application;
    if the respondents were
    to apply the dust suppressant themselves,
    the cost would be
    lower.
    Respondents presented evidence that the MCFA is currently
    $50,000 in debt.
    However,
    as complainant points out,
    it
    is
    uncontested that it is the Horsemen’s Association that is
    ultimately responsible for maintaining the track.
    Currently, the
    Horsemen’s Association charges its members $30.00 per month.
    Complainant presented evidence that the cost of treatment,
    assuming that 50 stalls are rented,
    breaks down to $50.00 per
    horse, which would further break down to $4.16 per month or 13
    cents per day per horse.
    Respondents have not contested the
    validity of these estimates.
    Subsequent Comi~1iance
    Respondents assert that they began
    a treatment program in
    1987,
    and that they have treated the track at least once per year
    since that time.
    Respondents assert that they treat the track on
    an as—needed basis.
    Respondents assert that the dust problem has
    decreased each year,
    and point out that Steve Polen,
    owner of the
    auto auction, admitted that the dust problem had been less severe
    in 1994 prior to the June 6th hearing than it had been in
    previous years.
    Furthermore, respondents assert that they
    treated the track after the June 4,
    1994 hearing, which
    subsequently brought the site into compliance.
    While respondents have treated the track subsequent to the
    June 4,
    1994 hearing, we find that they have not instituted
    measures which will assure long—term compliance with the Act and
    Board regulations.
    Respondents have treated the track once per

    9
    year since
    1987,
    yet there is evidence that there have been
    continuing problems since that time.
    We therefore find that
    respondent’s subsequent compliance does not obviate complainant’s
    need for permanent and continuing relief.
    Nuisance Violation
    Finding
    We find that respondents have emitted fugitive dust
    emissions so as to cause a nuisance in violation of Section 9(a)
    of the Act.
    While respondents have implemented a once per year
    treatment program since 1987, that program has been insufficient
    to avoid dust emissions onto complainant’s property in violation
    of the Act.
    While the track is an appropriate use for the site
    upon which
    it is located, the track’s neighbors have a right to
    expect that the track will be properly maintained.
    As Agency
    inspector Stortzum testified, respondents have not maintained the
    track
    in an appropriate condition.
    A properly maintained track
    would not have one—half to one
    inch of loose dirt on top, but
    would instead appear sealed.
    We therefore find that
    it is necessary to direct respondents
    to undertake additional control measures,
    so as to avoid future
    violations of the Act.
    We find that such a program is
    technically feasible, and that it is economically reasonable for
    respondents, who are causing the emissions,
    to bear the economic
    burden of undertaking such a program.
    While respondents have
    indicated that the NCFA is in debt,
    it
    is uncontested that the
    Horsemen’s Association bears responsibility for maintaining the
    track.
    We further find that the cost of such treatment is not
    unreasonable.
    Having done so, we note the similarity to the facts and
    examination of the Section 33(c)
    criteria in Hargrove v.
    Tammsco,
    Alexander County Commissioners; Donald Jordan Trucking Co.; and
    Marquette Gravel
    Co., PCB 87-19
    (June
    16,
    1988)
    citing
    Incinerator Inc. v.
    PCB,
    Id.
    In Hargrove,
    the Board found that
    the dust from defendant’s gravel road did interfere with the
    residents neighboring the gravel road.
    However, upon examining
    whether such interference was unreasonable, the Board concluded
    that it was not.
    In so finding, the Board noted that such
    finding was “not to say that dust resulting from inappropriate or
    improperly applied surface materials cannot result in a
    violation”.
    Such is case here.
    The dust from defendant’s track
    has interfered with complainant’s property.
    That interference is
    unreasonable in light of the Section 33(c)
    factors because
    defendants have failed to maintain the track when to do so is
    economically and technically reasonable.
    REGULATORY VIOLATION
    Complainant has specifically alleged that respondents have
    discharged dust in violation of Section 212.301 of the Board’s

    10
    air regulations
    (35 Ill.
    Athu.
    Code Section 212.301), which
    addresses discharges of fugitive particulate matter.
    Section
    212.301 provides:
    No person shall cause or allow the emission of fugitive
    particulate matter from any process, including any
    material handling or storage activity, that is visible
    by an observer looking generally toward the zenith at a
    point beyond the property line of the emission source.
    (35 Ill.
    Adm. Code 212.301.)
    As described above in reference to the nuisance violations,
    the two video tapes introduced into evidence by complainant show
    horses pulling sulkies circling the track, generating dust which
    can be seen blowing in clouds, and crossing onto the Auto Auction
    property.
    They also show close—up views of cars with words
    written in the dust covering the cars.
    Complainants also
    introduced photographs of dust collected in the office computers,
    and testimony about the repeated failure of the office time clock
    and the manufacturer’s refusal to replace it after the third
    breakdown,
    and about the need of employees to often shield their
    faces or turn away from blowing dust from the track.
    (Tr.
    at
    71.)
    As described above,
    Agency inspector Stortzum testified that
    upon inspecting the racetrack,
    he found a half-inch to an inch of
    loose dirt on top, and that the track surface was in need of dust
    suppressant treatment.
    (Tr. at 108.)
    He testified that a
    properly maintained track would instead appear sealed.
    (Tr. at
    113.)
    Additionally, he testified that upon inspecting the
    racetrack on May 20,
    1994,
    he personally observed fugitive dust
    being generated and crossing the property line from the
    fairgrounds onto the Auto Auction property, causing air pollution
    in violation of Section 9(a)
    of the Act and Section 212.301 of
    the Board’s air regulations.
    (Tr. at 107;
    120.)
    Respondents have not contested Mr. Stortzum’s qualifications
    as an expert, nor have they contested his testimony that the dust
    emitted from the racetrack crossed onto the Auto Auction site in
    violation of the Board’s regulations.
    Furthermore, although
    respondents have asserted that segments of video #1 are over four
    years
    old,
    and that video #1
    is not relevant to the current
    situation (Respondents Br. at 3), they have not contested
    complainant’s assertion that video #2 accurately portrays
    conditions at the site.
    In fact,
    their witness, Don Collins,
    testified upon cross—examination that the videos are accurate and
    that if the wind is blowing right and the track
    is dry, dust goes
    on complainant’s property.
    (Tr. at 209.)
    Respondents do assert
    that a comparison of video #1 to video #2 shows that the dust
    problem has decreased over the years,
    and that complainant

    11
    admitted the problem was less severe
    in 1994.
    (Respondent’s Br.
    at 3.)
    Respondents further assert that it is uncontested that the
    track has been treated on an annual basis since
    1987,
    and that
    this treatment has been performed on a voluntary,
    as—needed
    basis.
    They also point out that they have never been found in
    violation of any laws by the Agency.
    Additionally, respondents
    assert that,
    subsequent to the hearing in this matter, the track
    was treated in June 1994,
    and that the track
    is not now in
    violation of the law.
    We find that the uncontested evidence shows that respondents
    have emitted dust onto complainant’s property in violation of 35
    Ill. Adm. Code 212.301.
    While respondents claim to now be in
    compliance with the Act, pursuant to Section 33(a)
    of the Act,
    subsequent compliance does not constitute a defense or bar to
    enforcement for
    a violation of the Act.
    (See Illinois
    Environmental Protection Agency v. Barry, PCB 88-71
    (May 10,
    1990)
    at 42—43.)
    CONCLUSION
    We find that respondents have violated Section 9(a)
    of the
    Act,
    both by emitting dust so as to cause a nuisance, and by
    emitting dust in violation of 35
    Ill. Adm. Code 212.301.
    We
    further find that these emissions have unreasonably interfered
    with complainant’s business and have caused complainant economic
    hardship.
    Section 33 of the Act authorizes the Board to issue such
    order as
    it deems appropriate under the circumstances.
    We
    therefore direct respondents to undertake a treatment program
    which includes two major treatments per year, with additional
    maintenance as necessary so as to avoid a violation of the Act.
    Furthermore, we direct respondents to designate an on-site
    coordinator responsible for overseeing proper maintenance of the
    track.
    Complainant has not sought the imposition of a penalty,
    and we therefore do not consider penalty issues in this matter.
    This opinion constitutes the Board’s findings of fact and
    conclusions of law in this matter.

    12
    ORDER
    Respondents, the Macon County Farm Bureau,
    Inc.,
    the Macon
    County Fair Association and the Macon County Horseman’s
    Association shall undertake all measures necessary to cease and
    desist from further violations of Section
    9 of the Environmental
    Protection Act and Section 212.301 of the Board’s regulations
    (35
    Ill.
    Adm. Code Section 212.301).
    In addition, the respondents
    shall undertake the following measures to reduce dust emissions:
    1.
    Establish a dust suppressant treatment program with
    two major treatments per year, with additional
    treatment and maintenance as necessary so as to avoid
    violations of the Act and Board regulations.
    2.
    Designate an on—site coordinator responsible for
    overseeing the treatment and maintenance of the track.
    The name of such individual shall be provided to the
    Illinois Environmental Protection Agency
    (Agency)
    and
    the Decatur Auto Auction, and shall
    be available upon
    public inquiry.
    IT IS SO ORDERED.
    Board Members G.
    Tanner Girard and J. Theodore Meyer
    dissented, and Board Member Emmett Dunham II concurred.
    Section 41 of the Environmental Protection Act (415 ILCS
    5/41
    (1992)) provides for the appeal of final Board orders within
    35 days of the date of service of this order.
    The Rules of the
    Supreme Court of Illinois establish filing requirements.
    (See
    also 35
    Ill. Adm. Code 101.246. “Motions for Reconsideration”.)
    I, Dorothy M. Gunn,
    Clerk of the Illinois Pollution Control
    Board, hereby certify that the above
    p nion and order was
    adopted on the
    /~~-‘
    day of
    _________________
    1995,
    by a
    vote of
    ________.
    Dorothy N.
    5?,1~inn, Clerk
    Illinois P~3lutionControl Board

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