See the latest EHS federal and state regulatory updates due to COVID-19


With the new safety requirements and uncertainty surrounding COVID-19, obtaining and maintaining U.S. EPA Method 9 certifications may continue to prove difficult for the foreseeable future. Air quality permits may require evaluations conducted by certified Method 9 evaluators in order to demonstrate compliance with opacity limitations on visible emissions. Sources are required to continue to comply with these permit requirements during this time.

Trinity Consultants has Method 9 evaluators with valid certifications in all our California offices. Our evaluators are available to come to your facility to conduct visible emission evaluations required by air quality permits. Please contact your local Trinity Office with any questions or to schedule a Method 9 evaluation:

Trinity Consultants has implemented a Pandemic Response Plan to establish requirements to address health concerns during travel to and work at jobsites.