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Oil and Gas Environmental


Landmark provides responsive and highly specialized oil & gas environmental services focusing on operating or distressed legacy midstream assets. Our clients continually face the challenges of rapidly growing operational costs and other economic factors while striving to be good environmental stewards in the oil and gas industry. We understand that safety is the driving force in Oil and Gas Operations, and our team makes safety the priority in our work. Our safety statistics surpass all industry standards, and we consistently have excellent Experience Modification Rates.  Landmark has been recognized for safety achievement and is identified as “Outstanding” and “AAA+” in our Oil and Gas environmental compliance clients' vendor rating systems.

Industrial Hygiene


Landmark’s Environmental, Health, and Safety team has extensive experience identifying hazards, monitoring exposures, evaluating risks, and developing mitigation measures to correct problems.


Services include:

  • Occupational Safety and Health Administration Compliance Assessments.

  • Health and Safety Planning and Training.

  • Respiratory Protection and Personal Protective Equipment.

  • Process Safety Assessments.

  • Chemical Exposure Assessments.

  • Noise Monitoring and Hearing Conservation Programs.

  • Heat and Cold Stress.

Asbestos-Wrapped Pipelines 


Landmark specializes in the management, in-field abatement, and operations and maintenance of asbestos on legacy pipelines. We offer practical services in assessing the condition of pipelines and wrap, overseeing the compliant excavation of affected pipelines for salvage, re-use, or disposal, and the abatement of friable asbestos that has separated from the pipelines.


Services include:

  • Practical, Cost-Effective Linear Asbestos Surveys.

  • Regulatory Analysis.

  • Operations and Maintenance Programs to Address Remnant Pipe Wrap Debris.

  • Abatement Design and Specifications.

  • Abatement Cost Estimation for Budgetary Planning and Forecasting.

  • Abatement Oversight and Monitoring.

Construction and Demolition Industrial Hygiene Services


We provide industrial hygiene and environmental services during demolition, refurbishment, or re-use of refineries and other production and transmission assets. Our work has successfully supported the extension of the useful life and optimization of refining capacity at numerous facilities nationwide. We have a long history of safely working with asbestos and other hazardous materials during facility decommissioning or upgrades, and we profoundly understand the regulations.


Services include:

  • Pre-Demolition Planning and Permitting.

  • Demolition Design and Abatement.

  • Contract and Specification Development Support.

  • Demolition Monitoring and Oversight.    

  • Emission Monitoring and Control.

  • Site Safety Audits.

  • Hazardous/Regulated Materials Identification and Management.

  • Materials Segregation and Waste Minimization Support.


Crude Oil Pipeline Clean Air Act Violations  Litigation Support

An expert technical opinion was developed to support the successful resolution of a major lawsuit regarding Clean Air Act (CAA) violations at a major crude oil pipeline. Landmark was retained to provide independent and objective expert litigation support regarding claims of CAA violations that were reported to have occurred during upgrades to 40-miles of major crude oil transmission lines that transected critical wildlife habitats. (Read more)

Oil and Gas Field Hydrogen Sulfide Gas Emissions  Monitoring and Abatement

Rapid identification of worker exposure levels, and Landmark's development of an abatement strategy, supported successful lease agreements with federal agencies. Landmark provided air monitoring and abatement services to a major oil and gas production company for hydrogen sulfide emissions emanating from pressure integrity events at an oil field site in Wyoming. These emissions posed a significant potential worker exposure health threat. (Read more)

Remediation of a Former Crude Oil Pipeline Corridor

Landmark successfully developed and implemented effective Work Plans and Risk Assessments to remove asbestos-containing material pipe wrap debris. Landmark managed and performed a long-term asbestos program for a crude oil pipeline corridor operated by a major oil and gas client. This 15-year project included management and implementation of asbestos compliance, industrial hygiene, safety, and Operations and Maintenance programs. The asbestos consisted of pipe wrap used to insulate and protect the pipe from corrosion in the subsurface environment and was released during historical salvage operations by an independent contractor.  (Read more)

Comprehensive Environmental Support for the Dismantlement of a Natural Gas Liquids Recovery Plant

Landmark provided thoughtful, timely, safe, and cost-effective environmental support for the dismantlement of a natural gas liquids recovery plant. The project scope included four natural gas compressor engines and two natural gas oil heaters. Landmark’s work spanned documentation of pre-existing environmental conditions and preparation of requisite demolition management documents, including an Asbestos Management Plan, Health and Safety Plan, and a Spill Containment, Control, and Countermeasure plan. The asbestos management strategy included assessing non-friable asbestos and the development of preferred alternatives for the management of asbestos during facility dismantlement. (Read more)

Lost Control Program Improvement for an Exploration and Production Water Recycling Company

Timely and knowledgeable consultation and training rapidly improved the loss control program of a progressive Exploration and Production (E&P) water recycling company. Landmark provided strategic consultation and training services to improve the loss control program for the progressive E&P water recycling company. The company is one of a few oil & gas service providers that recycles used production water from wells and has facilities in Colorado and Wyoming. (Read more)

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