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Resources

Explore our insights and thought leadership on environmental, health, and natural resource challenges past and present.

Featured Resources

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Case Study

Air Quality Monitoring, Northern Utah

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Regulatory Toxicology Evaluations for PFAS

In the last two years, regulatory actions and rule-makings related to per- and polyfluoroalkyl substances (PFAS) have accelerated.  State and...

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Conceptual Site Model for Contaminated Sediments in the St. Marys River Area of Concern

Following decades of investigation and remediation of contaminated sediment in the St. Marys River area of concern (AOC), stakeholders needed...

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Aquifer Storage and Recharge for Farmland Water Use

Our client, a large agricultural water user, is considering converting some of its agricultural-use water to industrial use. An industrial...

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Aquifer Storage and Recharge Design for a Western City

This project was started while Jeff was working at Barr Engineering Co.

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Human Health and Ecological Risk Assessment, Illinois

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HHRA, Oakland, California

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HHRA, Former Sawmill, Fort Bragg, California

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Baseline HHRA and Soil Vapor Sampling Plan, Former Pesticide Facility, Casa Grande, Arizona

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HHRA and Remedial Planning, Former Pesticide Facilities, Arizona and California

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Human Health and Environmental Risk Assessment, Northern and Central California

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Human Health Baseline Exposure Assessment, Lassen County, California

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HHRA, Northern California

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HHRA, Central California

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Baseline HHRAs and Risk Evaluations, Treasure Island, Mare Island, Concord Naval Weapons Station, and China Lake, California

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Historical Pipeline Portfolio, Central Valley and Richmond, California

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Review of HHRA Involving Exposure to Lead via Sediment at a Former Gun Club, Everett, Washington

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HHRA, Fort Ord, California

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Preliminary Endangerment Assessments, Former Gold Mine, Grass Valley, California

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Screening Level and Baseline HHRA, Copper Mine, Casa Grande, Arizona

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Baseline HHRA, Copper Mine, Green Valley, Arizona