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Brian Martasin, PG

Principal Geologist


Los Angeles Service Center
317 S. Isis Avenue, Suite 207





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  • Professional summary

    Mr. Martasin is a State of California licensed Professional Geologist with over 16 years of experience in the environmental consulting industry. As a Principal Geologist, Mr. Martasin works directly with clients in the management of a variety of subsurface environmental investigations. Mr. Martasin has extensive experience performing and managing all stages of environmental projects large and small, including: Phase I environmental site assessments; soil, soil vapor, indoor air and groundwater assessments (Phase II); site characterization; remediation of petroleum hydrocarbon and VOC-impacted soil and groundwater; and removal of underground storage tanks (USTs) and other regulated subsurface structures.  Mr. Martasin’s extensive knowledge of the multitude of regulatory guidelines in the State of California allows him to efficiently navigate clients to obtain regulatory closure.  Mr. Martasin’s solution-driven approach has resulted in obtaining regulatory agency No Further Action letters throughout California for a multitude of commercial/industrial properties in the most cost effective, expeditious manner possible.  Mr. Martasin’s thorough understanding of regulatory guidelines promulgated by the California Department of Toxic Substance Control (DTSC), Office of Environmental Health Hazard Assessment (OEHHA), and Region IX Environmental Protection Agency (EPA) allows him to design appropriate, efficient, site specific, scopes of work.  Mr. Martasin’s Areas of Expertise include:

    • Technical Report Preparation and Review
    • Phase II ESA and Site Characterization Scoping
    • Groundwater monitoring well/network design
    • Soil Vapor Extraction (SVE) well and system design
    • Regulatory agency interfacing and negotiations
    • Budget management
    • Team Management
    • Senior Project Management
  • Education

    Bachelor of Science, Geology, University of California at Santa Cruz, Santa Cruz, CA, 1999

  • Certifications
    • Professional Geologist, CA, #8356
    • OSHA 40-Hour Hazardous Waste Operations Certified
  • Disciplines
    • Environmental - Brownfield and Site Development
    • Environmental - Regulatory Compliance
    • Environmental - Remediation Oversight and Monitoring
    • Environmental - Site Assessments and Remediation
    • Environmental - Third Party Review and Data Verifications
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