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Environmental Consulting

The oil and gas industry is continuously evolving. New technology and improved engineering practices inevitably demand updated regulations and best management practices. Walden is here to help you navigate through the realm of environmental compliance. We offer a full range of environmental services curtailed to your individual needs.  Whether its drill pad permitting, spill prevention and contingency planning or sampling and remediation, Walden can help your business prosper.

  • Air Monitoring and Compliance
  • Cost Estimating
  • Groundwater Remediation and Sampling
  • Groundwater/Soil Investigation
  • RCRA Contingency Plans
  • Spill Prevention and Countermeasure Control plans
  • Environmental Compliance
  • Drill Pad Permitting


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The rapid expansion of shale gas exploration has produced unparalleled opportunities in the oil and gas market.  Speed, precision, and manpower are paramount to success.  These rapid developments call for updated stormwater and wastewater management and pollution prevention procedures. Walden’s civil and environmental engineers provide cutting edge stormwater and wastewater mapping, planning, and system design. Our engineers are carefully selected for their ability to solve the most complex engineering dilemmas.

  • Stormwater Mapping
  • Stormwater Planning
  • Stormwater Pollution Prevention Plans
  • Water, Wastewater, Stormwater System Design and Construction
  • Surveying
  • Cost Estimating
  • Drill Pad Design
  • Drill Pad Construction Oversight
  • Site Planning


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Fluid storage is a vital component of the Oil and Gas industry and when tanks fail, bottom lines can turn red fast.  Walden knows that safely storing fluids such as gasoline, diesel, chemicals and fracing fluids are vital to maintaining business performance. We design our aboveground and underground storage tanks to the highest standards so they withstand the harshest conditions.  With decades of experience, Walden is well versed in all aspects of tank design, permitting, compliance, and construction oversight. We are here to assist you and help your business excel.

  • Tank Permitting
  • AST/UST Design and Installation
  • Tank Testing
  • Tank Compliance and Monitoring
  • Tank Permitting
  • Tank Removal
  • Cost Estimating
  • Construction Oversight


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Info Management

Information Management Systems

Gathering, storing, and analyzing data doesn’t have to be difficult. Integrating an information management system into your business can make this process easier than ever. With real-time data collection and advanced computing technology, an information management system designed by Walden boosts productivity, permits hassle free reporting, and streamlines data analysis to identify areas in need of improvement.

  • Geographical Information System
  • Environmental Database Management System
  • GIS Modeling
  • Fleet Management
  • Fuel Management


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Fuel Management

A functional and effective fuel management program can mean the difference between exponential growth or baseline productivity. Maintaining complete control over fuel distribution and dispensing reduces fuel loss and drastically improves efficiency. A fuel management system designed by Walden is a crucial way to cut costs, prevent theft, and ensure healthy, efficient fleets.

  • Fleet Management
  • Fuel Management
  • Construction Management


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Environmental Health and Safety

Walden understands the importance of health and safety in the workplace.  Oil and gas exploration, extraction, refinement, and distribution all entail potential safety hazards. Implementing our environmental health and safety plans and emergency response procedures minimize risks and safeguard your workers, equipment, and assets. Preventing accidents and environmental mishaps can save you money and resources.

  • Health and Safety Plans
  • Emergency Response Plans


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Air Quality and Air Emissions Permitting

Walden will collect both indoor and/or outdoor air samples and have them analyzed for dust, metals and organic compounds to determine OSHA and/or US EPA compliance. Projects include site inspections, system design, application and drawing preparation and filing for Federal, State and Local Permits, including:

  • Title V Permit (US EPA and NYS DEC)
  • Air Permit (NYC DEP)
  • Testing
  • Permitting
  • Control Design
  • US EPA Method 9 Visible Emission Evaluation Report (DSNY)
  • Community Air Monitoring Protocols – CAMP (NYS DEC, DSNY & NYC DPR)

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Lab Consulting

Walden’s scientists are highly experienced lab consultants. We strive to develop and implement innovative field testing protocols and procedures.

  • Air Quality Studies
  • Wastewater Sampling
  • Soil and Solid Waste Sampling
  • Correlation Studies
  • QAPP Preparations
  • Waste Characteristic Planning
  • Audits of Existing Facilities