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  • Local, state, and federal air permitting and compliance.

  • Air quality and climate change studies for CEQA and NEPA.

  • Emissions inventories for criteria pollutants, toxic air contaminants (TAC), and greenhouse gasses (GHG), including CalEEMod.

  • Air dispersion modeling (AERMOD, ISCST3) and health risk assessment (HRA, HARP).

  • Emissions control device/mitigation measure design, analysis, and selection.

  • Emissions reduction credits (ERCs) and offsets.


  • Noise impact assessments for CEQA and NEPA.

  • Noise generation and propagation modeling (SoundPlan, Traffic Noise Model, Construction).

  • Measurement and monitoring of industrial, traffic, construction, and ambient noise sources (sound level meters, noise dosimeters).

  • Community noise assessment.

  • Noise control device/mitigation measure design and selection.

  • Vibration analysis.


  • Industrial Stormwater Pollution Prevention Plan (SWPPP) preparation and compliance.

  • Construction SWPPP preparation and compliance.

  • Qualified SWPPP Developer/Qualified SWPPP Practitioner (QSD/QSP).

  • Certified Professional in Erosion and Sediment Control (CPESC).



  • CUPA compliance, including Spill Prevention, Control, and Countermeasure (SPCC) plans, Hazardous Materials Business Plans (HMBP), Underground Storage Tanks (UST), and CERS system reporting.

  • Wastewater discharge permitting and compliance (sewer, NPDES, WDR).

  • Environmental compliance management system development. 

  • Employee training.


  • Workplace exposure monitoring program development and compliance, including Indoor Air Quality (IAQ) sampling, noise dosimetery, ultraviolet (UV) sampling, and heat assessment.

  • Hearing protection program development and compliance.

  • Employee training.

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