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Air- MTBE and Ethanol
Caltrans Risk Assessment Implementation Plan
(Prepared by: Brown and Caldwell)

Table of Contents
Chapter 1.0
Introduction
1.1 Legislation
1.2 Caltrans Risk Assessment Study

Chapter 2.0
Risk Assessment Advisory Committee Recommendations
2.1 Overview of Risk Assessment Advisory Committee Recommendations
2.2 Selection of Applicable Recommendations

Chapter 3.0
Caltrans Risk Assessment Practices And Policies
3.1 Quantitative Risk Assessment (Office of Hazardous Waste Management)
3.1.1 Risk Assessments on Project Sites and Caltrans Owned Parcels
3.1.2 Lead Impacted Soil
3.2 Air Quality Research (Office of Environmental Engineering)
3.2.1 Selecting Receptor Sites
3.2.2 Evaluation of Two Carbon Monoxide Intersection Models
3.2.3 Transportation Project Level Carbon Monoxide Analysis Protocol
3.2.4 Emissions Models
3.2.5 Modeling for Particulate Matter (PM)
3.3 Storm Water Monitoring (Office of Environmental Engineering)
3.3.1 Program Overview
3.3.2 Data Quality Issues
3.3.3 Best Management Practices
3.3.4 Training and Public Education and Participation Program
3.3.5 Sampling Analysis and Collection Plan
3.3.6 Methyl Tertiary Butyl Ether (MTBE) Monitoring

Chapter 4.0
Caltrans Implementation Plan
attachment a summary of specific recommendations, made by the risk assessment advisory committee, for the eight categories
1. Training
2. Data Management
3. Peer Review
4. Receptor Based Exposure Assessments
5. Exposure/Fate and Transport Models
6. Communication/Information Sharing
7. Decision Making and Risk Management Policies
8. Process Improvement



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MTBE and Ethanol

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