LEIGHTON CONSULTING, INC 3 - 2006

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Statement of Qualifications for Environmental Consulting Services City of Santa Ana, Public Works Agency Introduction Leighton Consulting, Inc. (Leighton) has provided on-call environmental consulting services for a variety of public agencies over the years, including contracts for City of Santa Ana, Los Angeles County Department of Public Works, Port of Long Beach, California Department of General Services Real Estate Services, and countless other city, county, and public transportation agencies throughout Southern California. In addition to working with your staff on our previous on-call contract with the City, Leighton's experience encompasses a wide range of projects. One notable example is the Phase I and Phase II Environmental Site Assessment we performed for the Alameda Corridor project. Work for the 20 -mile -long rail cargo expressway involved an evaluation of the right-of-way and bordering properties to assess the potential for soil and/or groundwater contamination. Our team of experts produced information documenting nearly 200 adjacent sites as having potential or confirmed hazardous waste contaminated soils and/or groundwater. A project of that size and complexity required an approach that would not only provide the necessary data, but also maintain the project's schedule and budget. The following details our proven approach for the successful completion of a public project. Project Approach Phase 1 — Environmental Site Assessment (ESA) Phase I ESAs completed by Leighton are performed and prepared to conform with the American Society for Testing and Materials (ASTM) Standard Practice for Environmental Site Assessments: Phase I Environmental Process E1527-05. The scope of work for these assessments includes records review, site reconnaissance, and report preparation to satisfy the new regulations for All Appropriate Inquiry (AAI), which take effect in November of 2006. The final rule (40 CFR Part 312 - Standards and Practices for All Appropriate Inquiries) defines the steps a property owner (and the owner's environmental professional) must complete prior to purchasing a property in order to qualify for liability protection as an innocent landowner, contiguous property owner, or bona fide prospective purchaser under CERCLA. As such, the AAI rule has the potential to affect virtually all commercial real estate transactions. Under the AAI rule, any property purchasers seeking CERCLA liability protection, and any party receiving an EPA brownfields grant must hire an environmental professional who meets the rule's qualifications to conduct an AAI -compliant Phase I environmental site assessment. Under these new regulations, the site reconnaissance portion of a Phase I ESA can only be completed by a professional who meets one of these requirements: PE/PG and 3 years of experience Licensed by State/Fed/Tribe and 3 years of experience BS/BA in science or engineering and 5 of years experience Leighton Consulting, Inc. Page 1