Phase I Environmental Site Assessment 

Phase I Environmental Site Assessments (ESAs) in accordance with the American Society for Testing and Materials (ASTM) standard for Phase I ESA's by an EPA-Compliant Environmental Professional (EP) (40 CFR Part 312) who meets the requirements of the EPA All Appropriate Inquiry (AAI) standards
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Phase 2
Environmental
Assessment Reports

Subsurface Investigation

Phase 2 Environmental Assessments consist of collecting soil, soil-gas, and/or groundwater samples to screen for subsurface contamination by a California-Registered Professional Geologist

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Phase 3
Environmental
Assessment

Remediation

A Phase III Environmental Site Assessment (ESA) is the term used to describe the contaminated site remediation phase of an ESA.  Workplans for thorough subsurface investigation are prepared  and implemented, feasibility studies are prepared, and remediation system are designed and implemented at sites that have significant soil and/or groundwater contamination problems that require cleanup.

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Environmental
Case Closure

Request closure and provide supporting documentation such as:  Conceptual Site Model, identifying source area, receptors, and exposure pathways, provide performance data that demonstrate successful cleanup, conduct post-cleanup confirmation sampling, monitor and report groundwater data for an adequate period of time after cleanup 

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   Northern California (707) 690-4400    

San Francisco Bay  (925) 308-9200   

Sacramento  (916) 604-4200 

Redding  (530) 421-9100

San Jose  (408) 457-8182

Stockton - Modesto  (209) 425-4500 

Fresno  (559) 900-3200

ALFA Environmental Remediation Services, Inc.
9000 Crow Canyon Road Ste. S  | Danville, CA 94506
 www.alfaenv.com


Environmental and Remediation Services since 1992!


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©1992 ALFA Environmental Remediation Services, Inc.