Yorke Engineering has worked with over 700 companies providing EH&S and CEQA services primarily to California customers. The EH&S services are in the general categories of Air Quality, Waste, Water, and Safety. The CEQA services fall under the general category of Air Quality and Noise technical reports.

Please click on the General Category for a more detailed description of specific services:

> Air Quality 

  • Air Permitting
  • Compliance
  • Modeling
  • Reporting, etc.

> Haz. Waste and Materials

  • HMBPs
  • SPCCs
  • TRI Reporting
  • Haz. Waste Mgmt, etc..

> Water

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


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

> Safety

  • I&IPP
  • Audits
  • OSHA Compliance, etc…