1. BEFORE THE ILLINOIS POLLUTION CONTROL BOARD
      2. NOTICE OF FILING
      3. Exposure and Recreation Study.
      4. METROPOLITAN WATER RECLAMATION DISTRICT OF GREATER CHICAGO

BEFORE THE ILLINOIS POLLUTION CONTROL BOARD
IN THE MATTER OF:
WATER QUALITY STANDARDS AND
EFFLUENT
LIMITATIONS FOR THE
CHICAGO AREA WATERWAY SYSTEM
AND THE LOWER DES PLAINES RNER:
PROPOSED AMENDMENTS TO 35
Ill.
Adm. Code Parts 301,302,303 and 304
)
)
)
R08-9
)
(Rulemaking - Water)
)
)
)
)
NOTICE OF FILING
To:
ALL COUNSEL OF RECORD
(Service
List Attached)
PLEASE TAKE NOTICE
that on the 14th day of July, 2009, I, on behalf of the
Metropolitan Water Reclamation District of Greater Chicago, electronically filed with the Office
of the Clerk of the Illinois Pollution Control Board,
correspondence from Louis Kollias to
Samuel Dorevitch dated June 4,
2009, and correspondence from Samuel Dorevitch to Louis
Kollias dated June 24,
2009, regarding Status of the Chicago Health, Environmental
Exposure and Recreation Study.
Dated: July 14, 2009.
Fredric P. Andes
David
T. Ballard
BARNES
&
THORNBURG LLP
One North Wacker Drive. Suite 4400
Chicago, Illinois 60606
(312) 357-1313
METROPOLITAN WATER RECLAMATION
DISTRICT
OF GREATER CHICAGO
By:
/s/ David T. Ballard
One of Its Attorneys
[This filing submitted on recycled paper as defined in 35 Ill. Adm. Code 101.202)
Electronic Filing - Received, Clerk's Office, July 14, 2009
* * * * * * * * PC # 240 * * * * *

PROOF OF SERVICE
The undersigned, a non-attorney, certifies, under penalties
of perjury pursuant to 735
ILCS 5/1-109, that I caused a copy of the forgoing, correspondence from Louis Kollias to
Samuel Dorevitch
dated June 4, 2009, and correspondence from Samuel Dorevitch to Louis
Kollias
dated June 24, 2009, regarding Status of the Chicago Health, Environmental
Exposure
and Recreation Study, to be served via First Class Mail, postage prepaid, from One
North Wacker Drive, Chicago, Illinois, on the 14th day of July, 2009, upon the attorneys of
record on the attached Service List.
/s/ Barbara
E. Szynalik
Barbara E. Szynalik
[This filing submitted on recycled paper as defined in 35 Ill. Adm. Code 101.202]
2

SERVICE LIST
R08-9 (Rulemaking - Water)
Richard J. Kissel
Roy M. Harsch
Drinker, Biddle, Gardner, Carton
Suite 3700
191 N. Wacker Drive
Chicago, IL 60606-1698
Deborah J. Williams, Assistant Counsel
Stefanie N. Diers, Assistant Counsel
IEPA
Division of Legal Counsel
1021 North Grand Avenue East
P.O. Box 19276
Springfield, IL 62794-9276
Kevin
G. Desharnais
Thomas W. Dimond
Thomas V.
Skinner
Mayer, Brown LLP
71 South Wacker Drive
Chicago, IL 60606-4637
Robert VanGyseghem
City
of Geneva
1800 South Street
Geneva, IL 60134-2203
Matthew J. Dunn, Chief
Office of the Attorney General
Environmental Bureau North
Suite 1800
69 West Washington Street
Chicago, IL 60602
Bernard Sawyer
Thomas Granao
Metropolitan Water Reclamation District
6001 W. Pershing Road
Cicero, IL
60804
Claire
A.
Manning
Brown, Hay
&
Stephens LLP
700 First Mercantile Bank Building
205 South Fifth St., P.O. Box 2459
Springfield, IL 62705-2459
Katherine D. Hodge
Monica T. Rios
Matthew
C. Read
Hodge Dwyer
&
Driver
3150 Roland Avenue
P.O. Box 5776
Springfield, IL 62705-5776
Jerry
Paulsen
Cindy Skrukrud
McHenry County Defenders
132 Cass
Street
Woodstock, IL 60098
Lisa Frede
Chemical Industry Council
of Illinois
Suite 100
1400
E. Touhy Ave.
Des Plaines, IL 60019-3338
James
L.
Daugherty, District Manager
Thorn Creek Basin
Sanitary District
700 West End Avenue
Chicago Heights, IL 60411
Tracy Elzemeyer, General Counsel
American Water Company Central Region
727 Craig Road
St. Louis, MO 63141
[This filing submitted on recycled paper as defined in 35 Ill. Adm. Code 101.202)
3

Keith 1. Harley
Elizabeth Schenkier
Chicago Legal Clinic, Inc.
4th
Floor
205 West Monroe Street
Chicago, IL 60606
W.C. Blanton
Blackwell
Sanders LLP
Suite 1000
4801
Main Street
Kansas City, MO 64112
Traci Barkley
Prarie Rivers Networks
Suite 6
1902 Fox Drive
Champaign, IL 61820
James Huff, Vice
President
Huff
&
Huff, Inc.
Suite 3300
915 Harger Road
Oak Brook, IL 60523
Cathy Hudzik
City
of Chicago - Mayor's Office of
Intergovernmental Affairs
City Hall - Room
406
121 N. LaSalle Street
Chicago, IL 60602
Irwin Polls
Ecological Monitoring and Assessment
3206 Maple Leaf Drive
Glenview, IL
60025
Marc Miller, Senior Policy Advisor
Jamie
S. Caston, Policy Advisor
Office of Lt. Governor Pat Quinn
Room 414
State House
Springfield, IL 62706
Frederick D. Keady,
P.E., President
Vennilion Coal Company
1979 Johns Drive
Glenview, IL
60025
James E. Eggen
Director
of Public Works
&
Utilities
City
of Joliet, Department of Public
Works
&
Utilities
921
E. Washington Street
Joliet, IL 60431
Ann
Alexander, Sr. Attorney
Natural Resources Defense Council
Floor 23
2 N. Riverside
Plaza
Chicago, IL 60606
Beth Steinhorn
2021 Timberbrook
Springfield, IL 62702
Dr. Thomas
J. Murphy
DePaul University
2325 N. Clifton
Street
Chicago, IL 60614
Vicky McKinley
Evanston Environment Board
223 Grey Avenue
Evanston, IL
60202
Kenneth W. Liss
Andrews Environmental Engineering
3300 Ginger Creek Drive
Springfield, IL 62711
[This filing submitted on recycled paper as defined in 35 Ill. Adm. Code 101.202]
4
Electronic Filing - Received, Clerk's Office, July 14, 2009
* * * * * * * * PC # 240 * * * * *

Albert Ettinger, Senior Staff Attorney
Jessica Dexter
Environmental Law
&
Policy Center
Suite
1300
35 E. Wacker Drive
Chicago, IL
60601
Tom Muth
Fox Metro Water Reclamation District
682 State Route
31
Oswego, IL 60543
Jack Darin
Sierra Club
Illinois Chapter
Suite
1500
70
E.
Lake Street
Chicago, IL 60601-7447
Marie Tipsord, Hearing
Officer
John Therriault, Assistant Clerk
Illinois Pollution Control Board
100 W. Randolph Street
Suite 11-500
Chicago, IL
60601
Stacy Meyers-Glen
Openlands
Suite 1650
25 East Washington
Chicago, Illinois
60602
CHDSOI DTB 546846vl
Bob Carter
Bloomington Normal Water
Reclamation District
P.O. Box 3307
Bloomington, IL 61702-3307
Kay Anderson
American Bottoms
RWTF
One American Bottoms Road
Sauget, IL 62201
Kristy
A. N. Bulleit
Brent Fewell
Hunton
&
Williams LLC
1900 K Street, NW
Washington, DC 20006
Lyman C. Welch
Manager, Water Quality Programs
Alliance for the Great Lakes
17 N. State St., Suite 1390
Chicago, IL
60602
Mark Schultz
Regional Environmental Coordinator
Navy Facilities and Engineering Command
201 Decatur Avenue
Building
lA
Great Lakes, IL 60088-2801
[This filing submitted on recycled paper as defined in 35 III. Adm. Code 101.202]
5
Electronic Filing - Received, Clerk's Office, July 14, 2009
* * * * * * * * PC # 240 * * * * *

Metropolitan Water Reclamation District of Greater Chicago
100 EAST ERIE STREET
CHICAGO, ILLINOIS 60611-3154
Louis Kollias, P.E., BCEE
Director of Monitoring and Research
louis,kollias@mwrd.org
Dr. Samuel Dorevitch
University
of Illinois Chicago
School
of Public Health
2121
W. Taylor,
M/C 922
Chicago, IL 60612
Dear Dr. Dorevitch:
June 4,
2009
312.751.5190
Board of Comml"slonel'$
Terrence
J, O'Brien
President
Kathleen Therese Meany
Vice President
Gloria Alitto Majewski
Chairman of Finance
Frank Aylla
Patricia Horton
Salbara
J,
McGowan
Cynthia M, Santos
Debra Shore
Subject:
Request for Update on Status of the Chicago Health, Environmental
Exposure and Recreation
Study
With the onset of spring, the 2009 recreation season is undenvay in northeastern Illinois
and the Chicago Health, Environmental Exposure and Recreation
Study (CHEERS) has begun
another recruiting season. Insofar as it has been eight months since you appeared before the Illi-
nois Pollution Control Board (IPCB) to present testimony on the status
of CHEERS, I would like
to request that you provide me the following updated information so that we can convey the
cur-
rent status of the project to the IPCB to update the record in rulemaking R08-9:
2009.
1.
Total number of participants recruited into the study as of May 31, 2009, in-
cluding a
breakdov.11 by the three recreational groups (Chicago Area Wa-
terway System recreators, General
Use Water recreators, and Non-Water
C on tact recreators).
2.
Projected completion date of recruiting and field work and ultimate number
of subjects anticipated to be recruited into the study including a breakdown
by the three recreational groups. For reference and comparison, please also
include the participant sample size originally proposed
~or
the project.
Please provide the requested information through return correspondence by June
18,
Very truly yours,
~~~
Louis Kollias
Director
Monitoring and Research
LK:TCG:dm
Electronic Filing - Received, Clerk's Office, July 14, 2009
* * * * * * * * PC # 240 * * * * *

UNIVERSITY OF ILLINOIS
AT CHICAGO
Division of Environmental and Occupational Health Sciences (MC 922)
School
of Public Health
2121 West Taylor Street
Chicago, IL
60612
Louis Kollias, P.E., BCEE
Director
of Monitoring and Research
Metropolitan Water Reclamation District
of Greater Chicago
lOO E. Erie Street
Chicago, IL 60611-3145
June 24,
2009
Dear Mr. Kollias,
I am pleased to report that midway through the final season of data collection for the
CHEERS project, participant recruitment
is going well. UIC's interviewer-recruiters are hard at
work at water recreation sites across the Chicago area.
Our water sampling teams have collected
the
10,000th sample since the start of the study, helping make our area waterways among the
best-characterized inland waters in the nation. My responses to the questions you asked in a
letter dated June 4,
2009 are provided below.
Question 1: Enrollment totals and by group, as of April 30, 2009.
Between April 13, 2009, the start of the current season of fieldwork, and May 31, 2009
our interviewer/recruiters have enrolled 1,884 participants who are eligible for telephone follow-
up. As you know, all participants in the study belong to one
of the three study groups,
depending on whether or not they participated in water recreation activity, and
if they did,
whether the activity took place on the Chicago Area Waterways System (CAWS) or a general
use water location (GUW).
Participants who engaged in recreational activity that did not involve
the water (joggers, cyclists, etc) are in the unexposed (UNX) group.
In 2007 and 2008 we recruited a total of7,750 participants who were eligible for
telephone follow-up. The 1,884 enrolled in April and May,
2009 brings the total to 9,634. Table
1 summarizes recruitment by group, by year.
CAWS
GUW
UNX
2007 season
347
129
334
2008 season
2,516
2,202
2,222
April-May
2009
263
644
977
Total
3,126
2,975
3,533
Table 1: Recruitment into CHEERS, August 2007 -April, 2009
Phone (312) 996-8855' Fax (312)413-9898
Total
810
6,940
1,884
9,634

Question 2: Completion of the study, estimated final sample size, initial target sample size
We will continue recruiting study participants through August 2
nd
, 2009. Between now and
then, I anticipate that we will recruit an additional
2,107 study participants in 2009. Of the
7,750 participants enrolled in 2007-2008, 7,411 (95.6%) completed a telephone interview.
Assuming that in
2009 a similar percent of participants complete a telephone interview, the final
sample size
of participants will follow-up data will be approximately 10,547. These participants
will be distributed among the three study groups
as follows: 33% in the CAWS, 31 % the GUW,
and 36% in the UNX group.
As outlined in Table 2,
UIC initially proposed enrolling 9,330 individuals (3,110 per group).
With the expectation
of a 15% rate of loss to follow-up, a final dataset would include health
follow-up information from 7,932 participants. Because the actual rate
of loss to follow-up in
2007-2008 was considerably lower than initially anticipated, and because we will enroll more
study participants than initially anticipated, the final projected sample size available for analysis
(10,547) will be 33% greater than initially anticipated. Thus, the statistical power
of the study
will be greater than originally planned. In other words, the likelihood
of failing to detect a real
difference in health risks among the study groups (a
"false negative result") is less than initially
projected.
Initial
plan
Projected Increase
Percent
over
mcrease
initial
over initial
CAWS
3,110
3,676
566
18%
GUW
3,110
3,375
265
9%
UNX
3,110
4,033
923
30%
Total enrolled
9,330
11,084
1,754
19%
Loss to follow-up
1,398
537
-861
-62%
Total with follow-up data
7,932
10,547
2,615
33%
Table
2: Initial and current projections of the number of study participant in CHEERS.
Please contact me with any questions.
Best,
Samuel Dorevitch, MD, MPH
Division
of Environmental and Occupational Health Sciences
Division
of Epidemiology and Biostatistics
UIC School of Public Health
• Page 2
Electronic Filing - Received, Clerk's Office, July 14, 2009
* * * * * * * * PC # 240 * * * * *

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