STL Hosts Seminar on Illinois Drinking Water Treatment Regulations

PRESS RELEASE

Date August 24, 2006
For Immediate Release

Severn Trent Laboratories, Inc. (STL), teaming with TEST, Inc., is offering a one-day seminar on October 12, 2006 in Utica, Illinois to provide information on the upcoming Stage 2 Disinfectant, Disinfection By-products and Long Term 2 Enhanced Water Treatment Rules.

The seminar will cover techniques used for testing, treatment, modeling and construction related to EPA’s impending Drinking Water testing guidelines. The invited audience includes Utility Operators and Engineers, Environmental Consultants, and Engineering Consultants. Additionally, a panel discussion on the water treatment regulations will consist of industry experts from STL, TEST, Inc., Illinois EPA, Clark Dietz Engineers, Inc., URS Corporation, and McClure Engineering Associates, Inc.

The summary of topics is as follows:

• Regulatory overview and Illinois EPA role
• Initial Distribution System Evaluation (IDSE) guidance preparation and modeling options
• Regulations impact on infrastructure operations and construction
• Sampling and laboratory selection
• Treatment technique options

About STL

Severn Trent Laboratories, Inc. (STL) is the industry's leading environmental testing company. Operations in the United States include 31 laboratories, 16 Service Centers and QED Environmental Systems, Inc., the leading supplier of groundwater sampling equipment and remediation pumping systems. STL affiliates include the Aerotech P&K team, which brings together the capabilities of Aerotech Laboratories, Inc. and P&K Microbiology Services, Inc. STL employs over 2,100 people and has revenues of $245 million in the United States.

For more information, contact:

Jim Miller
Vice President Business Development
Severn Trent Laboratories, Inc.
716-691-2600
Visit our website @ www.stl-inc.com