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Litigation Support
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Environmental Solutions
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The Firm
Waterstone Environmental, Inc. was formed in 1997 as a group of senior scientists and engineers applying their decades of experience as active consultants in the environmental area.
We employ a team approach and senior consultants work intimately on all aspects of each project. As a result, we believe that we have established a service-oriented company culture that provides our clients with high quality consulting and timely service.
Latest Insights
ASTM Phase I Standard (E1527-21)
February 2024
As of February 14, 2024, the most recent ASTM Phase I standard (E1527-21) has been adopted as the new industry standard for Phase I ESAs. Reports prepared under the previous standard (ASTM E1527-13) will no longer satisfy the requirements for conducting All Appropriate Inquiries (AAI) for landowner liability protections under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).
See more in latest insight blog page.
Waterstone News
WE'RE HIRING!
May 2024
Waterstone is excited to announce that we are seeking motivated, intelligent, educated scientists to join our high level consulting team of professional geologists, engineers, chemists and environmental scientists. Currently we're seeking both entry level and mid-level to senior-level positions.
See details on our Careers page.
Latest Insights
Latest EPA Regional Screening Levels
May 2024
Biannually, the United States Environmental Protection Agency (US EPA) updates their Regional Screening Level (RSL) tables. The RSL tables provide comparison values for residential and commercial/industrial exposures to soil, air, and tap water (drinking water). Although noted that the RSLs are not cleanup standards and should not be used as cleanup standards, our experience has shown that more often than not the regulatory oversight agencies rely heavily upon RSL values to determine whether contamination at a Site has been sufficiently addressed.
See more about this year's RSLs on our Latest Insight page.
What changed since last time? Check here
Download the most recent RSLs with this hyperlink.