Phase I Environmental Site Assessments (ESA)

Environmental Site Assessments (ESAs) are crucial in the real estate due diligence process to identify environmental risks. With increasing concerns over site contamination from historical and current land uses, Phase I ESAs are necessary to gauge potential contamination.

This preliminary assessment involves a comprehensive review of a property’s history, land records, aerial photos, and regulatory compliance, coupled with a visual inspection for signs of hazardous substances. It also includes interviews with knowledgeable individuals.

Conducted as per CSA Standard Z768-01, a Phase I ESA doesn’t entail sample collection or lab testing. If this phase indicates possible contamination, a more invasive Phase II ESA involving drilling is recommended to confirm and assess the extent of contamination—the outcome of a Phase I ESA guides whether further investigation is needed.

Ensure the safety and compliance of your property—contact WA Environmental Services Ltd today for a thorough and reliable Phase I Environmental Site Assessment.

Phase II Environmental Site Assessments

Phase II Environmental Site Assessments (ESAs) are conducted when potential environmental issues are identified in a Phase I ESA. They collect and analyze soil, groundwater, and surface water samples to detect chemical or metal contamination. Various methods like drill rigs, hydraulic push, hand augers, or backhoes are used based on the site conditions. This phase is critical when there’s a significant potential for environmental liabilities that could impact a property’s value.

These liabilities include regulatory-mandated cleanup costs, regulated waste disposal, and civil liabilities arising from offsite contamination migration or tenant lawsuits due to hazardous material exposure. Phase II ESAs also serve as baseline studies for contaminant levels before construction, purchasing, or leasing a property. The outcome of a Phase II ESA determines the need for further environmental work. If contamination is found, a more detailed Phase III ESA or a supplemental Phase II ESA is recommended to fully map the extent of contamination.

Protect your investment with precision and expertise. Contact WA Environmental Services Ltd today for a comprehensive Phase II Environmental Site Assessment.

Phase III ESA or Supplemental Phase II ESAs

A Phase III Environmental Site Assessment (ESA) is conducted when contamination is confirmed at a site, aiming to assess the extent of the contamination. It involves drilling a network of boreholes in a grid pattern within the contaminated area to delineate the affected soil and groundwater. This allows for the calculation of the volume of contamination and the development of remediation strategies, complete with cost estimates.

The specific approach for a Phase II or III ESA is customized based on the property type and the expected contaminants. Typical components of these investigations can include shallow vapor soil surveys, soil sampling, installation of monitoring wells for groundwater sampling, assessment and remediation of underground storage tanks (including fuel tanks), addressing leaks from these tanks, and evaluating hazardous building materials.

Ensure the environmental integrity of your property with WA Environmental Services Ltd. Contact us now for a specialized Phase III Environmental Site Assessment.

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To provide high-quality environmental services that satisfy the individual requirements of each client. Once we identify the needs of each customer, we will use a technically sound, common-sense approach to provide the best possible solution.