Terra Petra

At Terra-Petra, we are a full-service environmental engineering firm specializing in contaminated soil and groundwater conditions. Our expertise spans over two decades, and we have established ourselves as leaders in the field of methane and soil gas engineering. Our team of experts has extensive knowledge of environmental and soil gas mitigation matters, and we have developed a reputation for providing exceptional solutions for methane-related issues.

Our Mission

Our mission is to provide top-notch services to our clients, ensuring their properties are safely and effectively managed. We strive to make our clients' lives easier by providing education, guidance, and effective solutions for their environmental concerns. At Terra-Petra, we believe that attention to detail, safety, and collaboration are crucial elements in achieving our goals.

Our Expertise

With a wealth of experience in the environmental engineering industry, our team has developed a comprehensive understanding of local and national policies, regulations, and standards. Our expertise encompasses:

• Methane testing and mitigation
• Soil gas investigations
• Vapor intrusion inspections
• Concrete and rebar inspections
• Construction inspections
• Landfill and oil field site closure
• Geology and hydrogeology
• Radon and underground storage tank inspections

Our Services

At Terra-Petra, we offer a range of services to cater to our clients' unique needs. These services include:

• PHASE I Environmental Site Assessment (ESA)
• PHASE II Environmental Site Assessment (ESA)
• Methane brownfield vapor intrusion inspection services
• Methane inspections
• Waterproofing inspections
• Concrete and rebar inspection services
• Construction inspection
• Landfill and oil field site closure
• Geology and hydrogeology
• Radon underground storage tank inspections

Our Philosophy

At Terra-Petra, we believe that our clients' needs come first. We are committed to providing exceptional services, and our team embodies a "safety-first" philosophy. We have undergone extensive safety training programs, including the 40-hour Hazardous Waste Emergency Operations and Emergency Response (HAZWOPER) training. We work with zero injuries in the field, and our team's dedication to safety has earned us a reputation for excellence.

Our Team

Our team consists of highly qualified professionals with extensive experience in environmental and soil gas engineering. Our experts include methane consultants, radon mitigation engineers, construction managers, civil engineers, registered environmental assessors, registered geologists/certified engineering geologists, petroleum geologists, and petroleum engineers.

What Sets Us Apart

What sets us apart from other environmental engineering firms is our comprehensive approach to methane and soil gas engineering. We take the time to educate our clients on the local Los Angeles Methane Code and the complexities it poses. Our team's expertise and experience allow us to provide exceptional solutions for methane-related issues, including soil gas investigations to determine the level of risk, recommending the right mitigation strategy, designing the right mitigation system, and providing necessary inspections to ensure compliance and system integrity.