Geoterren Environmental Services - Phase 1 and 2 Environmental Site Assessments SF Bay Area
  • Home
  • Phase 1 Environmental Site Assessments
  • Phase 2 Environmental Site Assessments
  • Contact Tina M. Hariu, P.G., C.HG.
  • Environmental Peer Review/ Litigation Support
  • Scientific Illustration

YOUR PATH TO SUCCESS
​Personalized Environmental Consulting Services

Tina M. Hariu, P.G., C.HG.
​Environmental Professional and California Professional Geologist
Serving Northern California and the Greater San Francisco Bay Area for
Over 30 Years
Phase I ESAs for Commercial Real Estate Transactions

Phase 1 Environmental Site Assessments

GEOTERREN performs high quality due diligence activities for commercial property transfers, refinancing, and redevelopments (ASTM E1527-13 is the current standard until E1527-21 is re-approved by the U.S. EPA).
Phase II Environmental Site Assessments

Phase 2 Environmental Site Assessments/
​Remediation

GEOTERREN answers your environmental questions, designing targeted soil, soil vapor, groundwater, and indoor air sampling programs to cost-effectively address your site investigation and remediation needs.
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Is Your Indoor Air Safe?​


Vapor Intrusion (VI) is a condition where volatile organic chemicals (VOCs) enter building interiors, exposing occupants to potentially carcinogenic (cancer causing) substances. If you suspect there is a nearby source of VOCs (such as a dry cleaner or gasoline service station), GEOTERREN will evaluate your indoor air conditions by installing an interior sampling device for an approximate period of
​24 hours for residences and 8 hours for commercial properties. ​The results will then be compared to San Francisco Bay Area Regional Water Quality Control Board Environmental Screening Levels (SFRWQCB ESLs). ESLs are conservative concentrations prepared by the SFRWQCB for a wide list of chemicals to be protective of human health and the environment. 
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Is Your Drinking Water Safe?

 Old pipes and nearby sources of subsurface contaminants can contribute chemicals to your drinking water supply. GEOTERREN will sample your drinking water for a variety of chemicals, including lead, nitrites, e-coli, and other common contaminants. Similar to air sample results, the drinking water results will then be compared to ESLs.
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Contact Tina M. Hariu, P.G., C.HG.

Other Services

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Peer Review/Litigation Support and Scientific Illustration 

GEOTERRENEnvironmental Services - Experienced and Expeditious  - providing you the best possible product. On time and on budget.

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  • Home
  • Phase 1 Environmental Site Assessments
  • Phase 2 Environmental Site Assessments
  • Contact Tina M. Hariu, P.G., C.HG.
  • Environmental Peer Review/ Litigation Support
  • Scientific Illustration