REOEIVED

CLERK'S OFFICE

JUL 1 8

2006

STATE OF ILLINOIS

Pollution Control Board

(Rulemaking – Public Water Supply)

EXHIBIT LIST

First Hearing: June

18, 2008, Chicago

Exhibit 1:

Prefiled Testimony of Richard P. Cobb (Illinois Environmental Protection Agency

(Agency))

Exhibit 2: Prefiled Testimony of Dr. Thomas C. Homshaw (Agency)

Exhibit

3: Agency

Errata

Sheet Number 2

Second Hearing: July 16, 2008, Springfield

Exhibit

4: Agency map entitled "CWS Facilities Currently Exceeding the New Arsenic MCL of

0.010 mg/L"

Exhibit 5: "Distribution of Arsenic in the Mahomet Aquifer of Central Illinois, USA," Wilson,

Kelly, Roadcap, & Holm, Illinois State Water Survey, Groundwater Section

Exhibit 6:

Agency Response to Illinois Environmental Regulatory Group (IERG) Comments

Exhibit

7: Pre-filed Testimony of Brian H. Martin (IERG)

ILLINOIS POLLUTION CONTROL BOARD

IN THE MATTER OF:

PROPOSED AMENDMENTS TO ) R08-18

GROUNDWATER QUALITY STANDARDS, )

35 ILL. ADM. CODE 620