Site Assessments Services
We have an outstanding team of environmental scientists and investigators that assesses industrial, residential, commercial, and open space properties to evaluate environmental status and health. We benefit from an intimate knowledge of the federal, state, and local regulations, and employ up-to-date technologies (including satellite imagery and GIS). We have conducted over 2000 Phase I Environmental Site Assessments and Phase II Detailed Site Investigations to ASTM standards at sites in the U.S. and overseas.
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We have assessed a wide range of properties, inclu...
We have assessed a wide range of properties, including:
- Transportation corridors
- Manufacturing facilities
- Power plants and substations
- Vehicle maintenance facilities
- Oil and gas fields
- Pipelines and Refineries
- Commercial properties
- Residential properties
Our site assessments include such procedures as baseline data inventories, asbestos and lead surveys, indoor air quality evaluations, ground water monitoring, contaminant characterization, and soil gas surveys.
Domestic Project Examples
Investigation of Asbestos in Soil, Areas 10S and 14S, Denver Federal Center, Colorado- Walsh performed an extensive surface soil asbestos survey (including more than 200 samples) in accordance with the recently updated Colorado regulations for the entire Investigation Area 10S, which spanned approximately 2,600 25’ by 50’ grid cells.
Phase I and II Environmental Site Assessments, RTD FasTracks Gold Line Corridor, Denver, Colorado – Walsh performed Phase I Environmental Site Assessments (ESAs) for 23 proposed light rail and commuter rail station properties and a corridor study of the proposed 11.2-mile rail corridor of RTD’s FasTracks Gold Line alignment. Phase I ESAs were performed in accordance with American Society of Testing and Materials (ASTM) Standard E1527-05 for conducting Phase I Environmental Site Assessments. Phase II ESAs were also performed at 7 proposed commuter rail station sites. The Phase II ESAs included soil and groundwater sampling in proposed construction areas to evaluate potential environmental contamination.
Buckley Air force Base Asbestos in Soils Removal Project - This project consisted of an open air removal of asbestos-contaminated soil under strict guidelines set forth by the State of Colorado.
Assessment of Indoor Shooting Range - Walsh has been selected to do assessment, clean-up, and clearance of two Division of Wildlife indoor shooting ranges, one in Pueblo and one in Grand Junction. Both ranges are being renovated with new target retrieval equipment and bullet traps.
Environmental Due Diligence Services for Gas Field Acquisition, Garfield and Grand Counties, Colorado - Walsh provided environmental due diligence services for acquisition of gas field assets in the Piceance Basin. Acquisition was highly confidential, and required rapid turnaround.
Environmental Due Diligence Audit, Utah and Maryland - To assist in the evaluation of the prospective $700 million purchase of Thiokol Propulsion, Alliant Techsystems retained Walsh to conduct an environmental liability evaluation for Thiokol operations in Northern Utah and Elkton, Maryland.
EHS Audit for Ball Aerospace - Walsh conducted a comprehensive Environmental Health and Safety audit for three facilities operated by Ball Aerospace.
Environmental Audit of Potash Mine - Walsh conducted an environmental audit of an operating Potash mine near Moab, Utah, during sale of the property.
Phase II Site Assessment for Rail Corridor - Walsh has begun a Phase II site assessment on the US 36 (Colorado) heavy rail corridor as part of the Regional Transportation District's FasTrack's Project.
Environmental Consulting for Demolition of 14 Buildings, Aspen. Colorado - Walsh provided Phase I and II ESAs, asbestos inspections, and soil contamination remediation for the redevelopment of a city block in Aspen, Colorado containing 14 commercial and residential structures.
State of Colorado's Consultant for Leaking Underground Storage Tank Site Assessments and Remediation - Since 1988, Walsh has been a prime contractor to the State of Colorado for implementation of the federal Leaking UST Trust Site Evaluation Program.
International Project Examples
Waste Management Plan, Mukhaizna Field Operations, Sultanate of Oman - Walsh prepared a Waste Management Plan (WMP) for Occidental Mukhaizna LLC for a heavy oil field in the Sultanate of Oman, approximately 550 kilometers (km) south-southwest of Muscat.
Wind Park ESIAs - Walsh-Ecuador is conducting two ESIAs for the UNDP: a wind park on the island of Baltra and a transmission line that connects the wind park with the urban center of Puerto Ayora on Santa Cruz. The wind park and transmission lines are located within the Galapagos National Park . The ESIA process includes careful consideration of sensitive species such as the land iguana, various sea birds and esthetic impacts. This wind project is part of larger effort by the UNDP and the Ecuadorian government to convert the archipelago to 100% sustainable energy.
Environmental and Social Impact Assessment for Exploration and Production, Yemen -Walsh conducted an environmental and social impact assessment project for seismic exploration, exploration drilling, and field development in Block S-1 in Yemen, for Occidental Petroleum. The ESIA evaluated the existing environmental and social conditions in the block, which is principally a large sand sea that does include previously existing oilfields.
Equator Principles Audit, Mexico and South Korea - For a large foreign bank, Walsh conducted an Equator Principles audit to ensure companies involved in a major international project complied with the International Finance Corporation’s eight Performance Standards. The Performance Standards ensure corporate social responsibility and best-practices are upheld for financed projects around the world.
Facilities Audit for Coca-Payamino, Orellana Province, Ecuador - Walsh conducted a comprehensive environmental and health and safety audit for Kerr-McGee at the Coca-Payamino Oil Field.
Baseline Environmental Assessment, Offshore Togo - Walsh conducted an assessment of baseline environmental conditions for an offshore exploratory well off the coast of the Republic of Togo, West Africa.
Environmental Audit of Producing Field, Kazakhstan - For an oil company selling an oilfield in Kazakhstan, Walsh conducted an environmental audit detailing the baseline conditions at the time of the property transfer.
Environmental Baseline Studies, Yemen - Walsh performed environmental baseline studies to identify potential environmental liabilities for an oil company's acquisition of two lease blocks in Yemen.
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