
Environmental Review Partners, Inc (ERP) is a California-based environmental planning and consulting firm that holds Service-Disabled Veteran Owned Small Business (SDVOSB), California Disabled Veterans Business Enterprise (DVBE), and California Micro Small Business Enterprise (SBE) certifications, among other certifications. With specialization in transportation and infrastructure projects, we prepare technical studies that enable clients to meet California Environmental Quality Act (CEQA) and National Environmental Policy Act (NEPA) environmental review requirements.
We are experts at navigating projects through the intersection of science, regulations, and stakeholder interests. Our approach is to develop strategies and craft solutions that adhere to client budget and schedule constraints, while providing legal defensibility.
ERP has subject-matter expertise in resource areas that require high levels of technical proficiency and expert knowledge of complex regulatory environments that are constantly evolving.


We have extensive experience preparing the following technical reports:
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California Department of Transportation (Caltrans)
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Air Quality Report
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Air Quality Conformity Analysis
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Quantitative PM Hotspot Analysis
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Energy Study Report
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CEQA/NEPA Air Quality Impact Study
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Greenhouse Gas (GHG) Emissions Assessment
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Air Toxics Health Risk Assessment
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General Conformity Determination