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Yorke Engineering has worked with over 1,500 companies providing Environmental, Health, and Safety and California Environmental Quality Act (CEQA) services, primarily to California customers. Our EH&S services cover areas such as Air Quality, Water, Waste, and Safety. We also offer CEQA services for the Air Quality and Noise sections of CEQA reporting.

Please click on a general category below for a more detailed description of specific services.

> Air Quality

  • Air Permitting
  • Reporting, Greenhouse Gas, Criteria Pollutants, and Toxics
  • Modeling and Health Risk Assessments
  • Compliance, etc.

> Water

  • Storm Water
  • SWPPPs
  • Industrial Wastewater
  • Discharge Permits, etc.

> Haz. Waste and Materials

  • HMBPs
  • SPCCs
  • TRI Reporting
  • Hazardous Waste Management, etc.


  • Air Quality Technical Reports
  • Noise Technical Reports
  • Mitigation Support

> Safety

  • IIPP
  • OSHA Compliance Audits
  • Regulatory Compliance Consulting
  • Ergonomics

> Industrial Hygiene

  • Health and Safety Programs
  • Air and Noise Monitoring
  • OSHA Compliance
  • Hazard Evaluation and Control

> On-Site Support

  • Air
  • Water
  • Waste
  • Safety

Main Office:

31726 Rancho Viejo Rd. Suite 218
San Juan Capistrano, CA 92675

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