Phase I Environmental Site Assessment

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Phase I Environmental Site Assessment

Investigation of real property to determine the possibility of contamination, based on visual observation and property history, but no physical testing. Under new Environmental Protection Agency regulations that went into effect on November 1, 2006,a Phase I,as it is called for short,will be mandatory for all investors who wish to take advantage of CERCLA defenses that will shield them from liability for future cleanup,should that prove necessary. The new Phase I rules, called “All Appropriate Inquiry” or AAI, also require more investigation than previously mandated. Investors can expect to see dramatic price increases over prior experiences.

The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.
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In a phase 1 study, researchers usually expose only a handful of volunteers--sometimes not more than 10, and rarely more than 80--to the new therapy.
Phase 1 was a two-dimensional sectioal profile study.
Phase 1: Review and gain a basic understanding of the client's operations (the time involved depends on the CPA's understanding of retail operations and this particular business).
an average of 100 ppm for Phase 1; * the amount of residual P-an average