Phase I Environmental Site Assessment (ESA) in the U.S. is a preliminary evaluation of a property to identify potential or existing environmental contamination liabilities. Conducted according to the ASTM Standard E1527-05 standard, this assessment includes a detailed review of records, a complete site inspection, and interviews with the owners, occupants, various neighbors, and relevant local government officials.

The primary purpose of a Phase I ESA is to determine whether any Recognized Environmental Conditions (RECs) exist that could affect the property’s value or pose environmental risks. This assessment is often required for real estate transactions, property development, or financing to ensure compliance with environmental laws and protect stakeholders from contamination liability. It helps make informed decisions regarding property investments and growth.

Construction and Abatement Services, Inc. has over three decades of experience in the field, and we offer offers specialized Environmental Site Assessment Phases 1 & 2 in Kansas City, MO, and the surrounding region.

Phase I Environmental Site Assessment

Phase I ESA Includes:

• Scrutiny of the land
• Assessing potential soil contamination
• Evaluating groundwater quality
• Examining surface water quality
• Investigating the impact of hazardous substances on biota

The examination of a site may include:

• Detecting chemical residues in structures
• Identifying materials that may contain asbestos
• Inventorying hazardous substances stored or used on-site
• Assessing mold and mildew levels
• Evaluating indoor air quality parameters

Contaminated areas are often known as "brownfield sites." These brownfield sites may be included in the National Priorities List in severe instances, making them subject to the U.S. Environmental Protection Agency's Superfund program.

Soil, groundwater, air, and building material sampling is generally not conducted during a Phase I ESA. This assessment is typically the first step in environmental due diligence. Known as a Level I Environmental Site Assessment, this study follows standards set by the US EPA, based partially on ASTM Standard E1527-05.

Phase II Environmental Site Assessment

If contamination is suspected, a Phase II Environmental Site Assessment may be initiated to determine if the property in question, whether for acquisition, disposal, or construction, is contaminated, as the Phase I ESA suggested. An environmental specialist carries out this Phase, which includes soil sampling, groundwater sampling, indoor air quality testing, drums and waste materials testing, asbestos testing, and underground tank testing.

What Phase II ESA Includes

The Phase II ESA Includes the Following Elements:

1. Sample and Analysis Plan Review

Detailed examination of the sample and analysis plan
Ensuring the plan meets regulatory and project requirements

2. Field Sampling and Analytical Results Review

Comprehensive review of field sampling procedures
Evaluation of the analytical results for accuracy and compliance

3. Phase Two Report Review

Thorough review of the Phase Two ESA report
Confirmation that the report aligns with findings and regulatory standards

The final report should encompass the investigation results, a cost-benefit analysis, the need for further investigation, and recommendations for future actions. This Phase does not aim to determine the extent of contamination. CAS employs trained professionals capable of completing Phase I and II Environmental Site Assessments.

For more details about this service, please call Construction and Abatement Services, Inc. at 816-524-3233. You can also send us your queries and service requests via this Online Form. Our experts are here to answer questions and help you further.