BEFORE
    THE ILLINOIS POLLUTION CONTROL BOARD
    IN THE MATTER OF:
    )
    PROPOSED
    AMENDMENTS TO TIERED )
    APPROACH
    TO CORRECTIVE ACTION )
    OBJECTIVES (35 ILL. ADM.
    CODE 742) )
    R09-9
    (Rulemaking -
    Land)
    N OTICE OF FILING
    TO: Mr. John T. Therriault
    Assistant Clerk of the Board
    Illinois Pollution Control Board
    100 W. Randolph Street
    Suite 11-500
    C hicago, Illinois
    60601
    (VIA ELECTRONIC
    MAIL)
    M r. Richard McGill
    Hearing Officer
    Illinois Pollution Control Board
    100 W. Randolph
    Street
    Suite 11-500
    Chicago, Illinois 60601
    (VIA U.S. MAIL)
    (SEE PERSONS ON ATTACHED SERVICE
    LIST)
    PLEASE TAKE NOTICE that I
    have today filed with the Office of the Clerk of
    the Illinois Pollution Control Board PRE-FILED QUESTIONS
    FOR THE ILLINOIS
    ENVIRONMENTAL PROTECTION
    AGENCY SUBMITTED BY THE ILLINOIS
    ENVIRONMENTAL
    REGULATORY GROUP, a copy of which is herewith
    served
    upon you.
    Respectfully submitted,
    By: /s/ Katherine D. Hodge
    Katherine D. Hodge
    Dated: December 17, 2008
    Katherine D.
    Hodge
    Monica T. Rios
    HODGE DWYER ZEMAN
    3150 Roland Avenue
    Post Office Box
    5776
    Springfield, Illinois 62705-5776
    (217) 523-4900
    Alec M. Davis
    General Counsel
    Illinois
    Environmental Regulatory Group
    215 East Adams
    Street
    Springfield, Illinois 62701
    (217) 522-5512
    THIS FILING SUBMITTED ON RECYCLED PAPER
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    CERTIFICATE OF SERVICE
    I, Katherine D. Hodge, the undersigned, hereby certify that I have served the
    attached PRE-FILED QUESTIONS
    FOR THE ILLINOIS ENVIRONMENTAL
    PROTECTION AGENCY SUBMITTED BY THE ILLINOIS ENVIRONMENTAL
    REGULATORY GROUP upon:
    Mr. John T. Therriault
    Assistant Clerk of the Board
    Illinois Pollution Control Board
    100 West Randolph
    Street, Suite 11-500
    Chicago, Illinois
    60601
    via electronic mail on December 17, 2008; and upon:
    Mr. Richard McGill
    Hearing Officer
    Illinois Pollution Control Board
    100 West Randolph, Suite 11-500
    Chicago, Illinois 60601
    Kimberly A. Geving, Esq.
    Assistant Counsel
    Annet Godiksen, Esq.
    Legal Counsel
    Illinois
    Environmental Protection Agency
    1021 North Grand Avenue East
    Post Office Box 19276
    Springfield, Illinois 62794-9276
    Mr. Bob Mankowski
    EPI
    16650 South Canal
    South Holland, Illinois 60473
    Ms. Lisa Frede
    Chemical Industry Council of Illinois
    1400 East Touhy Avenue
    Suite 100
    Des Plaines, Illinois 60019-3338
    Tracy Lundein
    Hanson Engineers,
    Inc.
    1525 South Sixth Street
    Springfield, Illinois 62703-2886
    Mr. Douglas
    G. Soutter
    Conestoga-Rovers & Associates
    8615 West Bryn Mawr Avenue
    Chicago, Illinois 60631
    Matthew J. Dunn, Esq.
    Division Chief
    Office of the Atttorney General
    Environmental Bureau
    69 W. Washington, 18th Floor
    Chicago, Illinois 60602
    Mr. Mark Schultz
    Regional Environmental Coordinator
    Navy Facilities and Engineering Commany
    201 Decatur Avenue
    Building 1 A
    Great Lakes, Illinois 60088-2801
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    Mr. Monte Nienkerk
    Clayton Group Services
    3140 Finley Road
    Downers Grove, Illinois 60515
    Mark Robert Sargis, Esq.
    B ellande & Sargis Law Group, LLP
    19 South LaSalle Street
    S uite 1203
    Chicago, Illinois 60603
    Ms. Elizabeth Steinhour
    Weaver Boos & Gordon
    2021 Timberbrook Lane
    Springfield, Illinois 62702
    Mr. Kenneth W. Liss
    Andrews Environmental Engineering
    3300 Ginger Creek Drive
    Springfield, Illinois 62711
    Dr. Douglas C. Hambley, P.E., P.G.
    Graef Anhalt Schloemer & Associates, Inc.
    8501 West Higgins Road
    Suite 280
    Chicago, Illinois
    60631-2801
    Mr. John W. Hochwarter
    Mr. Jeffrey Larson
    M issman Stanley & Associates
    333 East State Street
    Rockford, Illinois 61110-0827
    Mr. Chetan Trivedi
    Trivedi Associates, Inc.
    2055
    Steeplebrook Court
    Naperville, Illinois 60565
    Mr. Stan Yonkauski
    William Richardson, Esq.
    Chief Legal Counsel
    Illinois Department of Natural Resources
    One Natural Resources Way
    Springfield, Illinois 62702-1271
    Mr. Steven Gobelman
    Illinois Department of Transportation
    2300
    South Dirksen Parkway
    Room 302
    S pringfield, Illinois 62764
    David Rieser, Esq.
    McGuire
    Woods LLP
    77 W. Wacker
    Suite 4100
    Chicago, Illinois 60601
    Raymond
    T. Reott, Esq.
    Jorge T. Mihalopoulos, Esq.
    Reott Law Offices, LLC
    35 East Wacker Drive
    Suite 650
    Chicago, Illinois 60601
    Mr. Craig Gocker
    President
    Environmental Management &
    Technologies, Inc.
    2012 W. College Avenue
    Suite 208
    Normal, Illinois 61761
    Charles A. King, Esq.
    Assistant Corporation Counsel
    Chicago Department of Law
    30 N.
    LaSalle
    Street
    Suite 900
    Chicago, Illinois 60602
    Mr. Harry Walton
    SRAC
    2510 Brooks Drive
    Decatur, Illinois 62521
    Ms. Diane H. Richardson
    Commonwealth Edison
    10 South Dearborn Street
    35FNW
    Chicago, Illinois 60603
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    Mr. Jarrett Thomas
    Vice President
    S uburban Laboratories, Inc.
    4140 Litt Drive
    Hillside, Illinois 60162
    Mr. Lawrence L. Fieber
    Principal
    Burns & McDonnell Engineering
    Company, Inc.
    2 10 South Clark Street, Suite 2235
    The Clark Adams Building
    Chicago, Illinois 60603
    b y depositing said documents in the United States Mail, postage prepaid, in Springfield,
    Illinois on December 17, 2008.
    /s/ Katherine D. Hodge
    Katherine D. Hodge
    IERG:001/R Dockets/Fil/R-09-9/NOF-COS -Pre-Filed Questions
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    BEFORE THE ILLINOIS
    POLLUTION CONTROL BOARD
    IN THE MATTER OF:
    )
    PROPOSED AMENDMENTS
    TO TIERED ) R09-9
    APPROACH TO
    CORRECTIVE ACTION ) (Rulemaking - Land)
    OBJECTIVES (35 ILL. ADM. CODE
    742)
    )
    PRE-FILED QUESTIONS FOR
    THE ILLINOIS
    ENVIRONMENTAL
    PROTECTION AGENCY SUBMITTED
    BY THE ILLINOIS
    ENVIRONMENTAL REGULATORY GROUP
    NOW COMES the ILLINOIS ENVIRONMENTAL REGULATORY
    GROUP
    ("IERG"), by and through
    its attorneys, Alec M. Davis and HODGE DWYER ZEMAN,
    and submits the following Pre-Filed Questions for
    the Illinois Environmental Protection
    Agency
    ("Agency") for presentation at the hearing scheduled
    in the above-referenced
    matter:
    1.
    The outdoor inhalation pathway can be excluded in
    several ways. Can the
    vapor intrusion pathway
    be excluded in the same manners? Is it correct that the primary
    difference impacting the manner in which the pathways can
    be excluded is that the vapor
    intrusion pathway
    must consider the impact a building (i.e., chimney effect) has
    on the
    migration route?
    2.
    Can the Agency provide draft language that will be included in No
    Further
    Remediation ("NFR") Letters
    for the following circumstances:
    a.
    Where a site with a building location achieves
    the remediation
    objectives for all pathways, including vapor intrusion;
    b.
    Where there is no building on the site; and
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    c.
    Where there is no
    building on the site when the NFR
    Letter is
    issued, but there is
    a
    likelihood
    of construction
    of a building with a known
    location
    in the future? An unknown
    location?
    3.
    Is it the
    Agency's intention to require
    in an NFR Letter issued for
    scenario
    2(c) above:
    (i) the use of a Building
    Control Technology for future
    construction, or (ii)
    that the site
    be re-enrolled and re-evaluated
    pursuant to the applicable program
    requirements?
    4.
    In terms of the vapor intrusion
    pathway, will there
    be a difference between
    the requirements in an
    NFR Letter and those stated
    in an ELUC? Can the Agency
    provide
    an explanation of the impact
    the proposed vapor intrusion
    pathway will have on
    the effectiveness
    of ELUCs?
    5.
    If a responsible party
    is required to evaluate
    off-site impacts and identifies
    some impact,
    is an ELUC necessary? How
    will off-site vapor intrusion from
    groundwater pathway
    be institutionally excluded on
    adjacent properties? Are ELUCs
    an
    institutional
    control option?
    6.
    Does
    the Agency intend to amend
    the model ELUC language to address
    the
    impacts of the vapor intrusion
    pathway?
    7.
    Will the Agency require actual data
    or allow modeling of groundwater
    to
    evaluate the vapor intrusion pathway
    to an off-site building?
    8.
    If there is a well at the property
    boundary and it exceeds the remediation
    objectives ("ROs")
    for the vapor intrusion groundwater
    pathway, will the site still qualify
    for an NFR letter? For example,
    the remediation site might not have
    any buildings and
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    the indoor inhalation ROs might not apply, but presumably the groundwater (and
    exceedance) might go off-site.
    9.
    What, if any, obligations under the Illinois Environmental Protection Act
    does a responsible party have in terms of the vapor intrusion groundwater pathway for
    off-site properties?
    10. The default foc used for calculating Csat for the outdoor inhalation
    pathway (0.6%) is the default foc for soils in the 0-3 foot depth interval. Is that correct?
    a.
    Hypothetically
    speaking,
    when
    calculating
    a
    site-specific Csat for
    this pathway, could a remedial applicant use a site-specific foc for this same depth
    interval?
    b.
    Would the answer to 10(a) change, if the sample being screened
    came from, for example, the 8-10 foot depth interval?
    11. The Agency's website (http://www.epa.state.il.us/land/taco/vVor-
    intrusion-rulemaking html, visited December 11, 2008) contains some "answers to
    common questions about the proposed rule":
    Q.
    Will Illinois EPA re-open sites that have already earned a
    No Further Remediation letter and require them to evaluate the
    indoor inhalation pathway?
    A.
    No. Illinois EPA would take action only if new site-
    specific information indicates a vapor intrusion problem. In
    such an event, the action would begin with voidance of the NFR
    letter.
    Q.
    I have an approved remedial action plan under the existing
    TACO regulations. What happens if the rule takes effect before I
    receive the NFR letter?
    A.
    You will be required to evaluate the indoor inhalation
    exposure route. Also, the remedial action plan would need to
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    be revisited to ensure
    the site meets the updated remediation
    objectives for the other pathways.
    It would seem,
    by these above-quoted questions and
    answers, that if a responsible
    party is operating in accordance with
    an approved remedial action plan, upon
    the
    adoption
    of these proposed amendments that approved
    plan will no longer be valid. Is
    this correct?
    a.
    Are the answers to the
    above-quoted questions somehow
    derived
    from a portion
    of the proposed amendments?
    i.
    If so, where?
    ii.
    If not, what is the basis upon
    which the above quoted
    answers are derived?
    b.
    How many active projects
    does the Agency believe will be
    impacted by
    this policy? What does the Agency
    expect the additional costs to be
    for such active projects?
    c.
    Is the Agency prepared to expeditiously
    review and approve
    changes to remedial action plans?
    If so, what actions are being taken
    in
    preparation?
    d.
    Does
    the Agency expect responsible parties to
    be performing the
    evaluations required by these proposed
    amendments prior to the evaluations being
    adopted
    as a final rule?
    e.
    How does the
    Agency intend to handle the situation of a party
    who
    has submitted
    a Remedial or Corrective Action
    Completion Report prior to the
    adoption of the amendments,
    but has not yet received an NFR Letter?
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    f.
    Does the policy
    reflected on the Agency's website apply only to
    modifications to plans necessitated by the new vapor intrusion
    pathway, or does it
    also apply to the other changes introduced
    by this proposal? If the policy does
    apply to other changes, can you please explain why
    the Agency has chosen to
    deviate from past practice,
    where an approved plan would not have been required
    to be re-drafted? In addition, when
    will the updates to the Part 742 tables become
    effective?
    g.
    Does the owner
    of a former remediation site with a "pre-indoor
    inhalation" NFR Letter have the option to
    use the standard "building control
    technology" requirement
    for the construction of a new building without
    re-
    enrolling the site?
    12.
    Can a responsible party use past soil gas data for compliance with
    the
    vapor intrusion ROs that were obtained using different
    sampling methods than described
    in
    the proposed amendments? If no, is there an opportunity on a case-by-case
    basis to
    use the past sampling data?
    13. The proposed Section 742.227, Demonstration
    of Compliance with Soil
    Gas Remediation
    Objectives for the Indoor Inhalation Exposure Route, sets forth
    the
    requirements for collection of soil gas data. It is unclear
    how these requirements apply to
    exclusion of the indoor inhalation exposure route under Tier 3. Section 742.935(a)(3)(B)
    seems to require that samples conform with the
    above described requirements of Section
    742.227, yet subsection (b) seems to envision sampling procedures other than those
    described in Section 742.227.
    Which interpretation is intended?
    Electronic Filing - Received, Clerk's Office, December 17, 2008

    a.
    Subsection
    (d) of Section 742.227 specifies
    that soil gas samples
    be collected
    at a depth of at least 3 feet.
    Is it the Agency's intent to
    require, in all
    circumstances,
    that subslab samples of soil gas
    be collected at a depth of 3 feet
    or
    greater under Tier 3?
    IERG reserves the right
    to supplement these questions.
    Respectfully
    submitted,
    ILLINOIS ENVIRONMENTAL
    REGULATORY GROUP
    By: /s/
    Katherine D. Hodge
    Katherine
    D. Hodge
    Dated: December
    17, 2008
    Katherine D. Hodge
    Monica T. Rios
    HODGE
    DWYER ZEMAN
    3150 Roland
    Avenue
    P ost Office Box 5776
    Springfield, Illinois 62705-5776
    (217) 523-4900
    A lec M. Davis
    General Counsel
    Illinois Environmental Regulatory
    Group
    215 East Adams Street
    S pringfield, Illinois
    62701
    (217) 522-5512
    IERG:001/R Dockets/Fil/R09-9/Prefiled
    Questions
    Electronic Filing - Received, Clerk's Office, December 17, 2008

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