City of Vernon General Plan Housing Element Health Risk Assessment

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The City of Vernon’s primarily industrial background has caused safety and environmental health concerns for housing developments in the area. New leaders in the City have established policies that aim to increase the population through the construction of approximately 30 to 50 new non-City-owned housing units. 
To assist and provide data for their 2014-2021 Vernon General Plan, ESA performed a constraints analysis and detailed health risk assessment (HRA) to identify candidate sites for housing. Vernon’s candidate sites included six locations for single- or multi-family residential development and two sites for potential zoning to allow for transitional housing developments. Our study involved:
• Comprehensive review of South Coast Air Quality Management District air quality data and aerial images
• Field surveys to identify permitted sources within a quarter-mile of each candidate site emitting toxic air contaminants (TACs), as well as rail lines and heavy-duty truck warehousing
• Evaluation of the suitability of future residential uses at each of the candidate sites 
• Qualitative assessment based on candidate site situation relative to TAC buffer distances and toxic end points for each regulated substance at facilities with regulated substances
• Refined HRA to quantify exposure to stationary and mobile sources for the most suitable candidate sites
The final General Plan document identifies 2.58 acres of suitable housing areas with the potential to fit 61 units, exceeding the City’s goals for future growth opportunities. 

Specialized Services

  • Air quality assessments
  • Development feasibility (constraints/opportunities, due diligence)
  • Dispersion modeling
  • EMF and health risk assessments

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