• 888.540.5703
  • info@terra-petra.com
WATERPROOFING DIVISION     |   
Terra-Petra Terra-Petra

Methane Testing | Environmental Engineering

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Published on June 19, 2026 in Front PageFull resolution (2000 × 1125)
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SCOPE OF SERVICES

  • PHASE I Environmental Site Assessment (ESA)
  • PHASE II Environmental Site Assessment (ESA)
  • Methane
  • Brownfield
  • Oil Well Due Diligence
  • Oil Well Abandonement / Reabandonment
  • Vapor Intrusion
  • Inspection Services
  • Concrete & Rebar Inspection Services
  • Landfill
  • Site Closure
  • Geology / HydroGeology
  • Radon
  • Waterproofing Division
Terra-Petra is an environmental engineering firm specializing in contaminated soil and groundwater conditions. Our expertise starts with soil gas characterization, remediation, and in the design and inspection of gas mitigation systems for buildings of all types.
 

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Contact Terra-Petra

  • 888.540.5703
  • info@terra-petra.com
  • www.terra-petra.com
  • 700 South Flower #430
    Los Angeles CA 90017
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