R08-9

Exhibit

List

Exhibit

318

Prefiled

testimony

of Carl E. Adams

Jr.

and Robin

Garibay

Exhibit

319

Stepan Company’s

Response

to Question 4 of

the Illinois EPA’s

Pre-Filed

Questions For

Stepan Company’s

Witnesses Carl

Adams and

Robin Garibay

Exhibit

320

Chart entitled

“Figure 4.

Cooling

Required

to Attain Discharge

Limits (corrected

August

12, 2009)

Exhibit

321

Series of documents

beginning with

“Table 1. Cooling

Towers

— Closed

Stepan

—

Joliet,

Ii Environ

Project

— 20-21102A

Exhibit

322

“Comprehensive

Temperature Model

For

Aerated

Biological

Systems”

Yerachmiel

Argaman

and Carl E.

Adams Jr.

Exhibit

323

Three executive

summaries

of: Midwest

Generation

sponsored

temperature

and

dissolved

oxygen study

of the Des Plaines

River

May

1 to September

30, years

2004, 2005

and2006

Exhibit

324

Prefiled

testimony of

Robert

S.

Elvert

Exhibit

325

Seven pictures beginning

with

one

marked 1-55

Bridge, Boat-Barge

Exhibit

326

Two

US

Army

Corps of Engineers

Illinois

Waterway

maps

Exhibit

327

Prefiled testimony

of Dr. David

Thomas

Exhibit

328

“Temperature

Criteria

for

Freshwater Fish:

Protocol and Procedures”

USEPA

Environmental

Research Laboratory,

Office

of Research

and Development,

Duluth Minnesota

May

1977

Exhibit

329

Chart with the

following at

top “Fixed Stations,

Starved Rock,

Marseilles,

Dresdan”

and lists

of fish on

left.

RECEVED

CLERKS

OFFICE

AUG

18

2009

STATE

OF

ILLINOIS

Pollution

Control

Board