Mr.

Business Editors

WINDSOR, Conn.
"These projects are examples of the pressing need for creative
solutions to environmental cleanup obligations to facilitate merger
and acquisition transactions and real estate redevelopment projects,"
said Mike Salmon, TRC Senior Vice President. You can
identify these statements by forward-looking words such as "may,"
"expects," "plans," "anticipates," "believes," "estimates ," or other
words of similar import.

gabi hydrologists

com

Forward-Looking Statements

Certain statements in this press release may be forward-looking
statements within the meaning of Section 27A of the Securities Act of
1933 and Section 21E of the Securities Exchange Act of 1934. Point and non-point sources of pollution include urban
and agricultural stormwater runoff and municipal wastewater discharge .

cleanup eh

uscg jcaho

We
believe that it is important to communicate our future expectations to
our investors.

contamination contingency

Phil Wood Joins ENSR International

lce hydrologists

He holds a BS in Environmental Health from Leeds
University. The Company is also a leading provider of
technical, financial, risk management, and construction services to
both industry and government customers across the country.

fate downloading

, Mr.ensr.

About TRC

Named one of FORTUNE Magazine's 100 Fastest Growing Companies in
2003, Forbes Top 200 Best Small Companies and Business Week's Top 100
Hot Growth Companies, TRC is a customer -focused company that creates
and implements sophisticated and innovative solutions to the
challenges facing America's environmental, infrastructure, power, and
transportation markets. For more
information , visit TRC's website at www.TRCsolutions.

Software for environmental sciences and engineering.

downloading contamination

New TMDL Study to Improve Reedy River Water Quality

COLUMBIA, S.
ENSR has completed hundreds of major water quality/watershed assessments
projects throughout the US over the past 30 years.

gabi geologists

Wood's
experience applying innovative environmental management techniques and
solutions for a broad range of clients will broaden ENSR's cost-effective
client outreach."
A recognized authority in strategic environmental management system
development and long-term sustainability efforts , Mr. Wood is one of the
leading suppliers of EMS consulting to the U.
ENSR International (http://www.com) or Grant
Tew (gtew@ensr.

TRC Awarded $9 Million in Exit Strategy Contracts

The
project also includes a field investigation, water quality modeling/training
for state personnel , a load allocation decision-making process, and formation
of a stakeholder group to provide input on all phases of the project.

uscg ehs

Wood has 20 years experience directing environmental management
programs and systems (EMS) for industry, working with leading industrial
corporations and government organizations .

hydrologists bioscreen

com) is a leading environmental
services firm with 37 years of experience serving industrial companies in 100
countries from 70 worldwide/45 US offices.

C.com) provides environmental
consulting , engineering and remediation services to industry and government
from 70 worldwide/45 US offices .

bioremediation eh

His experience also includes
merger and acquisition/due-diligence, regulatory compliance audits , and Phase
I and II environmental site assessments., The South
Carolina Department of Health and Environmental Control has awarded ENSR
International a major Watershed Assessment Project to improve water quality of
the Reedy River -- an integral part of the drinking water, natural resources
and recreation systems of Greenville, South Carolina and the Upstate Region.
ENSR International (http://www.ensr.

geostatistics osha

He is a Certified
EMS Provisional Auditor as well as a master's level Certified Hazardous
Materials Manager. However, there may be events in the future that we are
not able to accurately predict or control and that may cause our
actual results to differ materially from the expectations we describe
in our forward-looking statements.
The 3-year project features measurement and evaluation of pollutant loads to
the Reedy River and will establish a pollution reduction strategy known as a
Total Maximum Daily Load (TMDL) allocation to improve its water quality.

lce contamination

Mr.

Natural Gas Processing Plant, Colorado -- TRC assumed
responsibility for the cleanup of a natural gas processing
plant, relieving the former owner of its remediation
obligations under an agreement to sell the facility." This study will help to significantly reduce pollution
loading all along the Reedy and its tributaries.

hydrologists uscg

----TRC (NYSE:TRR)
announced today that it has signed two Exit Strategy(R) contracts
valued at a total of approximately $9 million."
For more information, contact Mike Salmon at 949-727-7350.

geostatistics groundwater

Philip Wood, CHMM, has
joined ENSR International as the Southeast Environmental Health and Safety
(EHS) Regional Manager. Roland Norris, Manager of ENSR's Southeast Region stated, "Mr. See additional discussion in the Company's Annual Report on
Form 10-K for the fiscal year ended June 30, 2004, and other factors
detailed from time to time in the Company's other filings with the
Securities and Exchange Commission.com
(800) 722-2440

contingency eh

Birmingham, Alabama Office Expands Environmental Management Practice

BURMINGHAM , Ala. ENSR is an Environmental Business
Journal Business Achievement Award winner for 2001, 2002 , and 2003. You should consider statements that contain
these words carefully because they discuss our future expectations,
contain projections of our future results of operations or of our
financial condition, or state other "forward-looking" information.

eh contaminants

These contracts are:

Former Industrial Site, San Jose, California -- TRC assumed
responsibility for the environmental closure for soil and
groundwater issues of a 13-acre industrial property slated for
residential development. This is the third such
watershed assessment project that we have conducted with the SCDHEC.

ehs geostatistics

government. This program protects against
known and unknown environmental issues at the sites for the
anticipated duration of the projects and assures project completion. "TRC's Exit Strategy
program enables a buyer and seller to conclude a transaction without
the necessity of assuming the responsibility, liability and risk
associated with environmental cleanup.

ENSR Conducting Major Watershed Assessment Project in South Carolina

According to Ken Hickey, ENSR's Project manager , "The successful
collaborative stakeholder approach, effective water quality modeling, and cost
benefit analyses of alternative management actions have proven very effective
tools to support removing of water quality impairments and reducing pollutant
sources to the river.

bioscreen ehs

Furthermore, market
trends are subject to changes, which could adversely affect future
results.
The TMDL project will assess point and non-point sources of pollution and
develop an accurate assessment of ambient water quality conditions within the
entire river system.

cleanup lca

Mr.
The stakeholder group of regulatory agency staff, regulated industry
representatives, and watershed organization members has already formed and
met.

Contact:
John Petraglia, ENSR
jpetraglia@ensr.

validating fate

He has expertise with permitting of
solid and hazardous waste facility, evaluating site conditions and cleanup
requirements, storm water, pollution prevention and oil and hazardous
substance spill contingency plans, as well as health and safety requirements.com), both at 919-872-6600.

A comprehensive insurance and risk management program for both of
these projects has been structured with AIG Environmental , a member
company of American International Group. Investors are cautioned that all
forward-looking statements involve risks and uncertainties, and actual
results may differ materially from those discussed as a result of
various factors, including, but not limited to, the availability and
adequacy of insurance, the uncertainty of our operational and growth
strategies, the challenges inherent in integrating newly acquired
businesses, regulatory uncertainty, the availability of funding for
government projects, the level of demand for the Company's services,
product acceptance, industry-wide competitive factors, the ability to
continue to attract and retain highly skilled and qualified personnel,
and political, economic, or other conditions. An added benefit
of the training enables state staff to use the water modeling in future water
quality projects.

bioscreen ecologists

and WESTFORD Mass.

fate contaminants

Wood will expand ENSR 's environmental management,
merger and acquisitions, and regulatory compliance work in the southeast with
major industrial clients using ENSR's innovative performance-based
environmental management strategy.
For more information, contact Roland Norris (rnorris@ensr. Water quality modeling training with state personnel is ongoing, and a
field investigation is scheduled for Summer 2005 and beyond .