IES inc.
IES inc.
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    • Home
    • Services
      • Reporting/Compliance
      • Emissions Quantification
      • LDAR Services
      • Air Dispersion & Modeling
      • GHG Compliance Training
      • Regulatory Strategy
      • Event and System Analysis
    • EnviroDesk
    • Past Projects
    • Team
    • Login
Schedule Free Consultation
  • Home
  • Services
    • Reporting/Compliance
    • Emissions Quantification
    • LDAR Services
    • Air Dispersion & Modeling
    • GHG Compliance Training
    • Regulatory Strategy
    • Event and System Analysis
  • EnviroDesk
  • Past Projects
  • Team
  • Login
Schedule Free Consultation

Past Projects


At IES inc., we specialize in comprehensive environmental engineering 

solutions, helping clients achieve sustainable and compliant operations. 

Our expertise spans emissions inventories, regulatory consulting, 

and environmental impact assessments, ensuring your 

business meets all necessary standards efficiently.

Greenhouse Gas Reporting and Compliance

State GHG Reporting Programs

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Compliance support for operators navigating state mandatory GHG reporting - applicability determinations, source identification, and strategy as rules evolve.

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Multi-year compliance support covering facility screening, emissions calculations, annual report preparation, and internal data workflow development.

Monitoring Plan Development

Federal GHGRP Compliance (EPA Subpart W, NN, and C)

Monitoring Plan Development

Facility-specific GHG monitoring plans covering sources, methodologies, measurement devices, QA/QC procedures, and recordkeeping requirements.

Emissions Summary Reporting

Emissions Summary Reporting

Emissions Summary Reporting

Summary memoranda and internal reporting tools for operators managing GHG obligations across multiple facilities and regulatory programs.

Emissions Summary Reporting

Emissions Summary Reporting

Emissions Summary Reporting

Emissions Quantification and Monitoring

Field Survey to GHG Report

Top-Down / Bottom-Up Emissions Reconciliation

Top-Down / Bottom-Up Emissions Reconciliation

Led end-to-end emissions quantification projects beginning with field measurement campaigns and culminating in fully documented GHG reports. 

Top-Down / Bottom-Up Emissions Reconciliation

Top-Down / Bottom-Up Emissions Reconciliation

Top-Down / Bottom-Up Emissions Reconciliation

Facility-scale studies comparing remote sensing measurements against source-level inventories to identify discrepancies and improve reporting accuracy.

Portable Test Method Development

Top-Down / Bottom-Up Emissions Reconciliation

Portable Test Method Development

Designed and validated portable measurement protocols for quantifying emissions from natural gas infrastructure sources.

Custom High-Volume Sampler Fabrication

Custom High-Volume Sampler Fabrication

Custom High-Volume Sampler Fabrication

Designed and built custom high-volume sampler instruments to support field measurement campaigns.

Custom High-Volume Sampler Fabrication

Custom High-Volume Sampler Fabrication

Custom High-Volume Sampler Fabrication

Regulatory Strategy and Coalition Support

Multi-Operator Coalition Facilitation

Regulatory Interpretation and Comment Development

Regulatory Interpretation and Comment Development

Technical working groups for pipeline operator coalitions — consensus positions, regulatory clarification requests, and member coordination.

Regulatory Interpretation and Comment Development

Regulatory Interpretation and Comment Development

Regulatory Interpretation and Comment Development

Provided written regulatory analyses and formal comment letters to state and federal agencies on proposed rule makings affecting oil and gas operators. 

Agency Coordination and Stakeholder Engagement

Regulatory Interpretation and Comment Development

Agency Coordination and Stakeholder Engagement

Assisted clients in preparing for and participating in regulatory proceedings, agency meetings, and stakeholder engagement processes.

LDAR and Field Services

Leak Detection and Repair Programs

Storage and Pipeline Facility Inspections

Storage and Pipeline Facility Inspections

Designed and implemented LDAR programs for natural gas facilities subject to federal and state leak detection requirements. 

Storage and Pipeline Facility Inspections

Storage and Pipeline Facility Inspections

Storage and Pipeline Facility Inspections

Conducted field inspections at natural gas storage and transmission facilities to support compliance verification and emissions data collection.

Storage and Pipeline Facility Inspections

Air Permitting and Dispersion Modeling

AERMOD Dispersion Modeling

AERMOD Dispersion Modeling

AERMOD Dispersion Modeling

Conducted AERMOD-based dispersion modeling analyses in support of air permit applications and compliance demonstrations for natural gas and energy facilities.

Air Permit Support

AERMOD Dispersion Modeling

AERMOD Dispersion Modeling

Provided technical support for air permit applications at natural gas compression, processing, and storage facilities. Work included emissions calculations, applicability determinations, BACT/LAER analyses, and coordination with state permitting agencies.

AERMOD Dispersion Modeling

Technology Development and Innovation

Through-Valve Leak Detection Technology

Test Method Development for Regulatory Submissions

Through-Valve Leak Detection Technology

Participated in the development and field validation of through-valve acoustic leak detection technology designed to identify internal valve leakage in natural gas pipeline systems without requiring pipeline isolation or pressure testing.

Federal Research Collaboration

Test Method Development for Regulatory Submissions

Through-Valve Leak Detection Technology

Contributed technical expertise to federally sponsored research programs focused on characterizing and reducing methane emissions from natural gas infrastructure.

Test Method Development for Regulatory Submissions

Test Method Development for Regulatory Submissions

Test Method Development for Regulatory Submissions

Developed novel measurement methodologies for quantifying GHG emissions from sources lacking established EPA reference methods.

Ready to Take the Next Step?

Whether you're facing a new reporting requirement, planning a field measurement campaign, or navigating a shifting regulatory landscape, the right guidance early on saves time and reduces risk down the road. Schedule a free consultation and let's map out what your next project needs to succeed.

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