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Publications & Reports

Review our work products 

We provide easy access to thousands of SFEI’s reports, journal articles, books, conference papers/proceedings, factsheets, hearing summaries, maps, and more. 

These printable and downloadable materials connect our science to action, cover a broad range of topics, and have many applications. This library is searchable and filterable. If you have difficulty finding the information you are looking for, please contact us at [email protected].

Programs & Topics

Select the program or topic of your interest among the nested filters below. 

Load and concentration based performance outcomes for emerging organic contaminants in bioretention stormwater treatment systems

Author(s): Jennifer Dougherty | Kayli Paterson | Melissa Gonzalez | Edward Kolodziej | Diana Lin | Alicia Gilbreath | Elisabeth Rødland | Win Cowger | Hazel Vaquero | Andrea Amend | Rebecca Sutton

2026

The performance capabilities of bioretention systems for a range of stormwater constituents remain lightly characterized, particularly for emerging organic contaminants. To address this gap, we evaluated concentration- and load-based treatment outcomes at four urban…

Residential Wastewater as a Major Source of Per- and Polyfluoroalkyl Substances to Municipal Wastewater

Author(s): Diana Lin | Miguel Méndez | Kayli Paterson | Adam Wong | Donald Yee | Rebecca Sutton | Erika Houtz | Mary Cousins | Lorien Fono

2024

Identification of major sources of per- and polyfluoroalkyl substances (PFAS) in wastewater requires comprehensive evaluation, as wastewater is a pathway for a wide range of PFAS products in use, and the PFAS class includes thousands of compounds. We applied both EPA Method…

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Tire Wear: Emissions Estimates and Market Insights to Inform Monitoring Design

Author(s): Kelly Moran | Alicia Gilbreath | Miguel Méndez | Diana Lin | Rebecca Sutton

2023

Every vehicle on the road sheds tiny particles from its rubber tires into the environment. Tire wear is one of the top sources of microplastic releases to the environment. Tire wear also disperses tire-related chemicals into the environment. SFEI studies supported by the…

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A living tool for the continued exploration of microplastic toxicity

Author(s): Leah Hampton | Hannah De Frond | Ludovic Hermabessiere | Ezra Miller | Vera de Ruijter | Andrea Faltynkova | Syd Kotar | Laura Monclús | Samreen Siddiqui | Johannes Völker | Susanne Brander | Albert Koelmans | Chelsea Rochman | Martin Wagner | Alvine Mehinto | Heili Lowman | Scott Coffin | Emily Darin

2022

Throughout the past decade, many studies have reported adverse effects in biota following microplastic exposure. Yet, the field is still emerging as the current understanding of microplastic toxicity is limited. At the same time, recent legislative mandates have required…

Microplastics from Tire Particles in San Francisco Bay Fact Sheet

Author(s): Kelly Moran | Ruth Askevold

2022

As we drive our cars, our tires shed tiny particles


When it rains, stormwater runoff carries tire particles—and the toxic chemicals they contain—from city streets and highways to storm drains and fish habitat in creeks and estuaries like San Francisco…

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Risk-based management framework for microplastics in aquatic ecosystems

Author(s): Alvine Mehinto | Scott Coffin | Albert Koelmans | Susanne Brander | Martin Wagner | Leah Hampton | Allen Burton | Ezra Miller | Todd Gouin | Stephen Weisberg | Chelsea Rochman

2022

Microplastic particles (MPs) are ubiquitous across a wide range of aquatic habitats but determining an appropriate level of risk management is hindered by a poor understanding of environmental risk. Here, we introduce a risk management framework for aquatic ecosystems that…

Holistic Assessment of Microplastics and Other Anthropogenic Microdebris in an Urban Bay Sheds Light on Their Sources and Fate

Author(s): Xia Zhu | Keenan Munno | Jelena Grbic | Larissa Werbowski | Jacqueline Bikker | Annissa Ho | Edie Guo | Meg Sedlak | Rebecca Sutton | Carolynn Box | Diana Lin | Alicia Gilbreath | Rusty Holleman | Marie-Josee Fortin | Chelsea Rochman

2021

The physical and chemical properties of microplastics and their environmental distributions may provide clues about their sources and inform their fate. We demonstrate the value of extensive monitoring of microplastics in an urban bay, San Francisco Bay. Surface water, fish,…

Microplastics and other anthropogenic particles are prevalent in mussels from San Francisco Bay, and show no correlation with PAHs

Author(s): Natasha Klasios | Hannah De Frond | Ezra Miller | Meg Sedlak | Chelsea Rochman

2021

Microplastics are an emerging contaminant of high environmental concern due to their widespread distribution and availability to aquatic organisms. Filter-feeding organisms like bivalves have been identified as particularly susceptible to microplastics, and because of this,…

A Synthesis of Microplastic Sources and Pathways to Urban Runoff

Author(s): Kelly Moran | Ezra Miller | Miguel Mendez | Shelly Moore | Alicia Gilbreath | Rebecca Sutton | Diana Lin

2021

California Senate Bill 1263 (2018) tasks the Ocean Protection Council (OPC) with leading statewide efforts to address microplastic pollution, and requires the OPC to adopt and implement a Statewide Microplastics Strategy related to microplastic materials that pose an emerging…

Urban Stormwater Runoff: A Major Pathway for Anthropogenic Particles, Black Rubbery Fragments, and Other Types of Microplastics to Urban Receiving Waters

Author(s): L.M. Werbowski | Alicia Gilbreath | K. Munno | X. Zhu | J. Grbic | T. Wu | Rebecca Sutton | Meg Sedlak | A.D. Deshpande | Chelsea Rochman

2021

Stormwater runoff has been suggested to be a significant pathway of microplastics to aquatic habitats; yet, few studies have quantified microplastics in stormwater. Here, we quantify and characterize urban stormwater runoff from 12 watersheds surrounding San Francisco Bay for…

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Methods Matter: Methods for Sampling Microplastic and Other Anthropogenic Particles and Their Implications for Monitoring and Ecological Risk Assessment

Author(s): Charlotte Hung | Natasha Klasios | Xia Zhu | Meg Sedlak | Rebecca Sutton

2020

To inform mitigation strategies and understand how microplastics affect wildlife, research is focused on understanding the sources, pathways, and occurrence of microplastics in the environment and in wildlife. Microplastics research entails counting and characterizing…

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Microparticles, Microplastics, and PAHs in Bivalves in San Francisco Bay

Author(s): Ezra Miller | Natasha Klasios | Diana Lin | Meg Sedlak | Rebecca Sutton | Chelsea Rochman

2020

California mussels (Mytilus californianus and hybrid Mytilus galloprovincialis / Mytilus trossulus) and Asian clams (Corbicula fluminea) were collected at multiple sites in San Francisco Bay. Mussels from a reference area with minimal urban influence were also deployed in…

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Recommended Best Practices for Collecting, Analyzing, and Reporting Microplastics in Environmental Media: Lessons Learned from Comprehensive Monitoring of San Francisco Bay

Author(s): Ezra Miller | Meg Sedlak | Diana Lin | Carolynn Box | Christopher Holleman | Chelsea Rochman | Rebecca Sutton

2020

Microplastics are ubiquitous and persistent contaminants in the ocean and a pervasive and preventable threat to the health of marine ecosystems. Microplastics come in a wide variety of shapes, sizes, and plastic types, each with unique physical and chemical properties and…

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Sampling and Quality Assurance and Quality Control: A Guide for Scientists Investigating the Occurrence of Microplastics Across Matrices

Author(s): Susanne Brander | Violet Renick | Melissa Foley | Clare Steele | Mary Woo | Amy Lusher | Steve Carr | Paul Helm | Carolynn Box | Sam Cherniak | Robert Andrews | Chelsea Rochman

2020

Plastic pollution is a defining environmental contaminant and is considered to be one of the greatest environmental threats of the Anthropocene, with its presence documented across aquatic and terrestrial ecosystems. The majority of this plastic debris falls into the micro (1…

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Think Global, Act Local: Local Knowledge Is Critical to Inform Positive Change When It Comes to Microplastics

Author(s): Chelsea Rochman | Keenan Munno | Carolynn Box | Anna Cummins | Xia Zhu | Rebecca Sutton

2020

Microplastic contamination in the marine environment is a global issue. Across the world, policies at the national and international level are needed to facilitate the scale of change needed to tackle this significant problem. However, sources and patterns of plastic…

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Microplastic Strategy Update

Author(s): Meg Sedlak | Rebecca Sutton | Ezra Miller | Diana Lin

2019

Based on the detection of microplastics in San Francisco Bay surface water and Bay Area wastewater effluent in 2015, the Regional Monitoring Program for Water Quality in San Francisco Bay (RMP) convened a Microplastic Workgroup (MPWG) in 2016 to discuss the issue, identify…

Multi-year water quality performance and mass accumulation of PCBs, mercury, methylmercury, copper and microplastics in a bioretention rain garden

Author(s): Alicia Gilbreath | Lester McKee | Ila Shimabuku | Diana Lin | Larissa Werbowski | Xia Zhu | Jelena Grbic | Chelsea Rochman

2019

A multiyear water quality performance study of a bioretention rain garden located along a major urban transit corridor east of San Francisco Bay was conducted to assess the efficacy of bioretention rain gardens to remove pollutants. Based on data collected in three years…

San Francisco Bay Microplastics Project: Science-Supported Solutions and Policy Recommendations

Author(s): Carolynn Box | Anna Cummins

2019

Plastics in our waterways and in the ocean, and more specifically microplastics (plastic particles less than 5 mm in size), have gained global attention as a pervasive and preventable threat to marine ecosystem health. The San Francisco Bay Microplastics Project was designed…

Understanding Microplastic Levels, Pathways, and Transport in the San Francisco Bay Region

Author(s): Rebecca Sutton | Diana Lin | Meg Sedlak | Carolynn Box | Alicia Gilbreath | Rusty Holleman | Ezra Miller | Adam Wong | Keenan Munno | Xia Zhu | Chelsea Rochman

2019

Microplastics (particles less than 5 mm) are ubiquitous and persistent pollutants in the ocean and a pervasive and preventable threat to the health of marine ecosystems. Microplastics come in a wide variety of shapes, sizes, and plastic types, each with unique physical and…

Microplastic Contamination in San Francisco Bay - Fact Sheet

Author(s): Rebecca Sutton

2016

This factsheet compiles the findings for microplastics, as they are found in San Francisco Bay. The factsheet defines the different forms of contamination, the studies that have been performed as of 2016, and the findings of those studies.

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Microplastic contamination in the San Francisco Bay, California, USA

Author(s): Rebecca Sutton | Sherri Mason | Shavonne Stanek | Ellen Willis-Norton | Ian Wren | Carolynn Box

2016

Despite widespread detection of microplastic pollution in marine environments, data describing microplastic abundance in urban estuaries and microplastic discharge via treated municipal wastewater are limited. This study presents information on abundance, distribution, and…

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Microplastic pollution is widely detected in US municipal wastewater treatment plant effluent

Author(s): Sherri Mason | D Garneau | Rebecca Sutton | Y Chu | K Ehmann | J Barnes | D Papazissimos | DL Rogers

2016

Municipal wastewater effluent has been proposed as one pathway for microplastics to enter the aquatic environment. Here we present a broad study of municipal wastewater treatment plant effluent as a pathway for microplastic pollution to enter receiving waters. A total of 90…