February 20, 2026Terra-Petra’s Annual Holiday Party – A Night Of Great Fun And CelebrationFebruary 20, 2026Visit Terra-Petra At Booth 3 At The 2024 Vapor Intrusion ConferenceFebruary 20, 2026Terra-Petra’s Justin Conaway To Speak At AVIP’s 3rd Vapor Intrusion ConferenceFebruary 20, 2026A Fun-Filled Day At The Annual Terra-Petra Summer PicnicFebruary 20, 2026Terra-Petra Attends 33rd Annual Environmental Law Conference at YosemiteFebruary 20, 2026Terra-Petra Experts In The Field – Methane Soil Gas InvestigationFebruary 20, 2026Terra-Petra Announces Promotion of Ismael Carbajal to Principal/Director of Waterproofing DivisionFebruary 20, 2026Design Build Of Oil Well Vent ConeFebruary 20, 2026What Does A Phase I ESA Include?February 20, 2026Terra-Petra Expands To Southwest With New Office In Phoenix ArizonaFebruary 20, 2026Terra-Petra’s Justin Conaway Interviewed On Brownfield Braintrust Podcast with Matt WinefieldFebruary 20, 2026Terra-Petra Founder Hugh Avery – The Godfather Of MethaneFebruary 20, 2026Terra-Petra Completed Successful Oil Well Leak TestFebruary 20, 2026Subslab Depressurization System (SSD) InstallationFebruary 20, 2026A Tribute To John ConawayFebruary 20, 2026Terra-Petra Receives 2023 Los Angeles Award For Environmental EngineeringFebruary 20, 2026DEC 21 – Progress Photo Update Methane Mitigation Design & Inspection DTLAFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026UPDATED Progress Photos – Methane Mitigation Design Los AngelesFebruary 20, 2026Methane Mitigation Design & Inspection – Construction Progress PhotosFebruary 20, 2026Oil Well Due Diligence – Uncover, Leak Test, Well Head SurveyFebruary 20, 2026Methane Mitigation Design & Inspection – Construction Progress PhotosFebruary 20, 2026Terra-Petra Recognized as Small Business Enterprise in CAFebruary 20, 2026Bay Area Vapor Intrusion Mitigation System DesignFebruary 20, 2026Vapor Intrusion Mitigation System Design & Installation – San Jose, CAFebruary 20, 2026Terra-Petra is Proudly Recognized as an SBE – Small Business EnterpriseFebruary 20, 2026The Davis-Bacon ActFebruary 20, 2026Vapor Intrusion Mitigation System – Reno, NVFebruary 20, 2026Methane Mitigation Design And Consulting – Los Angeles, CAFebruary 20, 2026Vapor Intrusion Mitigation System Design And Installation – Santa Fe Springs, CAFebruary 20, 2026Vapor Intrusion Consulting, Testing And Monitoring – San DiegoFebruary 20, 2026Terra-Petra at artworxLA Virtual Wine TastingFebruary 20, 2026Vapor Intrusion Mitigation System Design – San FranciscoFebruary 20, 2026Terra-Petra Providing Waterproofing Services For New High-End Project in West HollywoodFebruary 20, 2026February 20, 2026Methane Mitigation Services – Harbor City, CAFebruary 20, 2026Vapor Intrusion Mitigation System – Fontana, CAFebruary 20, 2026Soil Gas Investigation Los Angeles, CAFebruary 20, 2026Landfill Monitoring And Reporting – Penrose LandfillFebruary 20, 2026DMBI Methane Barrier Inspection – Downey, CAFebruary 20, 2026Waterproofing Services, Building Envelope Consulting – Los Alamitos, CAFebruary 20, 2026Building Envelope Consulting – LAX Delta SkywayFebruary 20, 2026Radon Mitigation System – Summit County, COFebruary 20, 2026Soil Management Plan Implementation – Richmond Oil FieldFebruary 20, 2026Methane Mitigation Design – Hub on Campus LA FigueroaFebruary 20, 2026Methane Soil Gas Investigation – Enlightenment PlazaFebruary 20, 2026Vapor Intrusion Mitigation System – Palo Alto, CAFebruary 20, 2026Vapor Intrusion Mitigation Design – Hayward, CAFebruary 20, 2026Vapor Intrusion Mitigation System Design – Pomona, CAFebruary 20, 2026Water Intrusion Inspection – Ventura County Naval BaseFebruary 20, 2026Methane Mitigation Design – Torat HiyamFebruary 20, 2026Methane Soil Gas Investigation In Los AngelesFebruary 20, 2026Methane Soil Gas Investigation – Methane Buffer ZoneFebruary 20, 2026Abandoned Oil Well Leak Test – Redondo Beach, CAFebruary 20, 2026Methane Monitoring – LA Metro Purple Line Extension ProjectFebruary 20, 2026City of Los Angeles Methane Mitigation and Gas Detection System DesignFebruary 20, 2026Happy 2020 – Terra-Petra Rings in the New Year at BKLAFebruary 20, 2026Terra-Petra Attends 18th Annual Brownfield Training Conference in LAFebruary 20, 2026How L.A.’s museum district is rebuilding.February 20, 2026Terra-Petra on LABJ Top 35 Environmental Engineering Firms ListFebruary 20, 2026Mapping the long history of oil drilling in Los AngelesFebruary 20, 2026Terra-Petra consults on newest LA Multifamily Developments to Implement Tetris-Style Parking SystemFebruary 20, 2026Terra-Petra to Sponsor of CA Brownfields Conference | Carson, CaliforniaFebruary 20, 2026Terra-Petra Sponsors 27th Annual Environmental Law Conference at Yosemite®February 20, 2026Terra-Petra Sponsors Bar Association of San Francisco Environmental Law Section EventFebruary 20, 2026Those Lazy Hazy Crazy Days of Summer Company PicnicFebruary 20, 2026Los Angeles Oil Drills Give Way to Skyline ViewsFebruary 20, 2026Terra-Petra leads another successful underground storage tank (UST) removalFebruary 20, 2026Terra-Petra Supports IVCLA as a “Silver Sponsor”February 20, 2026Terra-Petra attends ICSC RECon once again—with 2018 highlightsFebruary 20, 2026Terra-Petra Sponsors Environmental Law Conference at Yosemite®February 20, 2026Terra-Petra makes Top 20 once again in 2018 – on LA Business Journal’s Top Environmental Engineering and Consulting Firms ListFebruary 20, 2026The Terra-Petra Leadership SpotlightFebruary 20, 2026Terra-Petra Environmental Engineering and Building Waterproofing Teams Celebrate a successful year.February 20, 2026In Honor of our Veterans: Terra-Petra Team Members Who’ve ServedFebruary 20, 2026Terra-Petra provides environmental consulting expertise to private school performing arts centerFebruary 20, 2026Terra-Petra to Sponsor The Future of DTLA Development ConferenceFebruary 20, 2026UST abandonment status update – Los Angeles, CaliforniaFebruary 20, 2026Terra-Petra Waterproofing Division to exhibit at 2018 RCI Convention in HoustonFebruary 20, 2026Terra-Petra to attend topping off celebration for 2747 Park project in Palo AltoFebruary 20, 2026Terra-Petra named as one of LA’s Top Environmental Engineering and Consulting FirmsFebruary 20, 2026The Use of Electronic Leak Detection (ELD) on Waterproofing Membranes over Concrete SurfacesFebruary 20, 2026California Commercial Real Estate Unchanged Following Election – Read SurveyFebruary 20, 2026Terra-Petra Team recognized in the LA Times as part of the Wilshire Grand project – the tallest structure in the west and the Los Angeles skyline.February 20, 2026Terra-Petra Proud to beFebruary 20, 2026LA Unified School District Awards Terra-Petra Certification of Small Business Enterprise (SBE)February 20, 2026Successful Oil Well Re-Abandonment Work in Santa Fe SpringsFebruary 20, 2026Detec Systems Training for the Terra-Petra TeamFebruary 20, 2026Terra-Petra attends Environmental Law Conference at Yosemite®February 20, 2026Terra-Petra Company Christmas Party 2016: Another Memory Maker!February 20, 2026Detec Systems Training for the Terra-Petra TeamFebruary 20, 2026Terra-Petra’s Abode Communities and Mercy Housing Project to Break Ground in Wilmington, CAFebruary 20, 2026Mixed-use project, called Metropolis, is unprecedented for Downtown L.A.February 20, 2026Waterproofing Inspections on the Hollywood Argyle Hotel by Terra-PetraFebruary 20, 2026Terra-Petra Assists on Final Phase of Dana Strand Development in WilmingtonFebruary 20, 2026Terra-Petra attends Environmental Law Conference at Yosemite®February 20, 2026Successful Oil Well Re-Abandonment Work in Santa Fe SpringsFebruary 20, 2026Waterproofing Inspections on the Hollywood Argyle Hotel by Terra-PetraFebruary 20, 2026Mixed-use project, called Metropolis, is unprecedented for Downtown L.A.February 20, 2026Terra-Petra Assists on Final Phase of Dana Strand Development in WilmingtonFebruary 20, 2026Terra-Petra leads methane soil gas investigation inside a historic building renovationFebruary 20, 2026Terra-Petra’s Abode Communities and Mercy Housing Project to Break Ground in Wilmington, CAFebruary 20, 2026Terra-Petra makes LA Business Journal’s Top 30 Environmental Engineering and Consulting Firms ListFebruary 20, 2026Terra-Petra performs subterranean waterproofing inspections for new Academy Museum projectFebruary 20, 2026Terra-Petra designs subterranean waterproofing on DTLA Oceanwide PlazaFebruary 20, 2026Terra-Petra Environmental Engineering Helps Developer with Pico Gateway Apartments Project SuccessFebruary 20, 2026Wilshire Grand Tower Topped Off March 2016 – Video RecapFebruary 20, 2026Terra-Petra Supports Los Angeles Micropolitan Project General ContractorFebruary 20, 2026Terra-Petra Worked on Residential Component of Huntington Beach’s Pacific CityFebruary 20, 2026Park Fifth development in DTLA will break ground in AprilFebruary 20, 2026950 E Third St development breaks ground in DTLA – Terra-Petra ContributorFebruary 20, 2026Terra-Petra provides Deputy Inspection Services for DTLA Blossom PlazaFebruary 20, 2026Oceanwide Plaza – now under construction in Downtown Los AngelesFebruary 20, 2026Terra-Petra contributes to new projects transforming Downtown LAFebruary 20, 2026Terra-Petra working on eleven of top fifty construction projects in Los AngelesFebruary 20, 2026Update on Terra-Petra’s Pacific City Oil Well Abandonment ProjectFebruary 20, 2026Terra-Petra helps deveolper save millions with oil well remediation planFebruary 20, 2026Terra-Petra Sponsors the Environmental Law Conference at Yosemite® October 22-25, 2015February 20, 2026Terra-Petra and the environmental engineering industry shows well at I.CON ’15February 20, 2026Terra-Petra at I.CON ’15: The Industrial Conference – June 10February 20, 2026Terra-Petra at ICSC RECon 2015 – Las Vegas – May 17-20February 20, 2026Terra-Petra supports the City of Hope Construction Industries Alliance Spirit of Life GalaFebruary 20, 2026Terra-Petra Welcomes San Francisco Bay Area Account Executive, Mark WagnerFebruary 20, 2026Terra-Petra team attends Introduction to Brownfield Redevelopment seminarFebruary 20, 2026Terra-Petra’s Justin Conaway review of the 4th Annual San Francisco State of the Market AddressFebruary 20, 2026Terra-Petra’s GM/VP Justin Conaway to speak at the Colorado Environmental Management Society March 10February 20, 2026Terra-Petra Partners with Law Firm Wactor & Wick in Downtown Los AngelesFebruary 20, 2026Terra-Petra Managing Removal of Asbestos Containing Material in Downey, CAFebruary 20, 2026Terra-Petra’s Continuing Education in WaterproofingFebruary 20, 2026Family House Mission Bay, San Francisco breaks ground September 17thFebruary 20, 2026Terra-Petra Methane Engineer for Micropolitan at Urban Lights ProjectFebruary 20, 2026Terra-Petra holds court at ICSC RECon Las VegasFebruary 20, 2026Terra-Petra Announces New Office and New Presence in New York City and on the East CoastFebruary 20, 2026Terra-Petra going “underground” (aka below grade) in Denver and beyond…February 20, 2026Terra-Petra performs CQA/CQC for the Porsche Experience Center Test Track in Carson, CAFebruary 20, 2026Terra-Petra boots-on-the-ground for World Record Concrete Pour DTLA Wilshire GrandFebruary 20, 2026Daniel Valdez holds successful DMBI training seminar in Terra-Petra’s Los Angeles OfficeFebruary 20, 2026Terra-Petra Completes 2201 E. Cerritos Ave. Project for Western RealcoFebruary 20, 2026Terra-Petra will be an exhibitor at ICSC RECon in Las Vegas May 18-21February 20, 2026Terra-Petra congratulates newest DMBI inspectorsFebruary 20, 2026Terra-Petra named methane design engineer and subterranean waterproofing consultant for Korean Air Wilshire Grand projectFebruary 20, 2026Terra-Petera Methane begins mitigation system installation project for The Irvine Company in Playa Vista, CaliforniaFebruary 20, 2026Terra-Pertra Congratulates – [AMCOL] CETCO on their new GCL project in Saudi ArabiaFebruary 20, 2026INSPECTION UPDATE: 4661 W. Wilshire Blvd. Methane Zone PropertyFebruary 20, 2026New Home Co. Gears Up for Busy Year of Building feat. Westside ApartmentsFebruary 20, 2026Terra-Petra awarded contract to perform methane and water intrusion inspections for Northern California projectFebruary 20, 2026Terra Petra Inc Receives 2013 Los Angeles AwardFebruary 20, 2026Raul Ramierz joins Terra-Petra’s Deputy Methane Barrier Inspection (DMBI) TeamFebruary 20, 2026Environmental Engineering Firm, Terra-Petra, Continues to Expand LA City Deputy Methane Inspector TeamFebruary 20, 2026Terra-Petra, Completes Successful Design and Installation of a SVE (Soil Vapor Extraction) System for PrologisFebruary 20, 2026Remembering the 1985 Ross Dress for Less Methane Gas ExplosionFebruary 20, 2026Grand Opening Of The New Terra-Petra San Francisco OfficeFebruary 20, 2026Building Waterproofing Experts Project Update: Waterproofing System Design and Inspections in West HollywoodFebruary 20, 2026Terra-Petra Completes Methane Barrier and Below Grade Waterproofing Work on Cedars-Sinai’s Completed Advanced Health Sciences Pavilion ProjectFebruary 20, 2026Terra-Petra Environmental Engineering Heads Up Methane Barrier Inspection for the Port of Los Angeles Port Police Department K-9 Facility Load more
