Hayden Street

Education

B.S., Environmental Science, University of California, Berkeley, 2021

 

Professional Registration and Certificates

MSHA Part 46 Certified, 2022

California Air Resources Board (CARB), Visual Emission Evaluator (VEE) 

California Construction and Industrial Materials Association, Member, 2023

Fundamentals of Air Dispersion Modeling and AERMOD Computer Lab Certifications, 2024

 

Project Experience

Health Risk Assessments, Various Clients, California

Prepared numerous health risk assessments (HRAs) to evaluate the potential health impacts of air emissions on nearby residents and workers. Responsibilities included calculating toxic emissions, developing air dispersion models using AERMOD, running health risk scenarios in HARP (Hotspots Analysis and Reporting Program), and interpreting and presenting results to identify potential risks. The process involves calculating cancer risk and non-cancer hazard indices, ensuring compliance with air district standards, and providing recommendations for mitigation measures where necessary.

 

Visible Emission Testing, Various Clients, California 

Conducted visible emission testing to assess the opacity of emissions from industrial sources and ensure compliance with regulatory standards. Duties included performing Method 9 evaluations, interpreting results according to state and federal guidelines, and preparing detailed reports for regulatory submittals.

 

Permitting, Various Clients, California 

Assisted clients with obtaining and maintaining the necessary air quality permits for new and existing operations. This involved preparing flow diagrams in AutoCAD, writing permit applications, reviewing and interpreting regulatory requirements, and coordinating with regulatory agencies to ensure all documentation was complete and compliant with air quality laws.

 

Air Quality Impact Analyses, Various Clients, California

Conducted air quality impact analyses to evaluate the potential effects of industrial operations on local air quality, with a particular focus on compliance with CEQA (California Environmental Quality Act) for environmental review processes. Duties included using air dispersion modeling software such as AERMOD to predict pollutant concentrations and assess whether emissions would exceed air quality standards or affect surrounding areas. Prepared detailed technical reports to support CEQA documentation, outlining the potential air quality implications of projects.

 

Air Toxic Inventory Reports, Various Clients, California

Developed air toxic inventory reports (ATIRs) to assess the presence and quantity of toxic air contaminants (TACs) from industrial processes. Duties included compiling emissions data, calculating potential exposure levels, and identifying hazardous pollutants in compliance with state regulations.

 

Annual Emission Reporting (AER), Various Clients, California

Compiled and submitted Annual Emission Reports (AERs) for industrial facilities to track and document emissions over the course of the year. This included gathering emission data, performing calculations to ensure accuracy, and preparing detailed reports for submittal to regulatory bodies such as the South Coast Air Quality Management District (SCAQMD).