Microplastics in Drinking Water

I am currently the lead scientist in California’s implementation of SB 1422- Microplastics in drinking water. Notable reports and publications related to this project are listed below. If you are unable to access any of these publications, please email me and I’ll send you the full texts.

  • Coffin, S., Bouwmeester, H., Brander, S. et al. Development and application of a health-based framework for informing regulatory action in relation to exposure of microplastic particles in California drinking water. Micropl.&Nanopl. 2, 12 (2022). https://doi.org/10.1186/s43591-022-00030-6

  • Martindale, S., Weisberg, S. B., & Coffin, S. (2020). Status of Legislation and Regulatory Drivers for Microplastics in California. HORBIA Readout. Full text

  • Coffin, S. (2020). Staff Report - Proposed Definition of ‘Microplastics in Drinking Water’ (June 3, 2020). Full text

Policy

  • Coffin, S. (March/April 2022). “Accounting for Plastic’s True Costs.” The Environmental Forum. Full Text

  • Coffin, S., Wyer, H., & Leapman, J. C. (2021). Addressing the environmental and health impacts of microplastics requires open collaboration between diverse sectors. PLOS BIOLOGY, 15. https://doi.org/10.1371/journal.pbio.3000932

  • Coffin, S., Weisberg, S.B. Understanding health effects pathways and thresholds: filling a critical need to support microplastics management. Micropl.&Nanopl. 2, 11 (2022). https://doi.org/10.1186/s43591-022-00031-5

  • Wyer, H., Polhemus, D., Moore, S., Weisberg, S. B., Coffin, S., & Rochman, C. M. (2020). Steps Scientists Can Take to Inform Aquatic Microplastics Management: A Perspective Informed by the California Experience. Applied Spectroscopy, 74(9), 971–975. Full Text

Ecotoxicology (Risk Assessment)

  • Coffin, S., Weisberg, S.B., Rochman, C., Kooi, M. and Koelmans, A.A., 2022. Risk Characterization of Microplastics in San Francisco Bay, California. https://microplastics.springeropen.com/articles/10.1186/s43591-022-00037-z

  • Mehinto, A.C., Coffin, S., Koelmans, A.A. et al. Risk-based management framework for microplastics in aquatic ecosystems. Micropl.&Nanopl. 2, 17 (2022). https://doi.org/10.1186/s43591-022-00033-3

  • Thornton Hampton, L.M., Bouwmeester, H., Brander, S.M. et al. Research recommendations to better understand the potential health impacts of microplastics to humans and aquatic ecosystems. Micropl.&Nanopl. 2, 18 (2022). https://doi.org/10.1186/s43591-022-00038-y

  • Thornton Hampton, L.M., Lowman, H., Coffin, S. et al. A living tool for the continued exploration of microplastic toxicity. Micropl.&Nanopl. 2, 13 (2022). https://doi.org/10.1186/s43591-022-00032-4

Ecotoxicology (Experimentation)

My primary area of study for my PhD was in determining the ability for plastic to transfer contaminants to biota using bioanalytical screening tools, analytical chemistry, biomimetic models, Japanese medaka and White seabass fish, and computer simulations. Some notable publications related to this work are listed below:

  • Elko, N., Foster, D., Kleinheinz, G., Raubenheimer, B., Brander, S., Kinzelman, J., Kritzer, J.P., Munroe, D., Storlazzi, C., Sutula, M., Mercer, A., Coffin, S., Fraioli, C., Ginger, L., Morrison, E., Parent-Doliner, G., Akan, C., Canestrelli, A., DiBenedetto, M., Lang, J., and Simm, J., 2021. “Human and Ecosystem Health in Coastal Systems”, Shore & Beach, 90(1), pg 64-91. Full Text

  • Coffin, S., Magnuson, J. T., Vliet, S. M. F., Volz, D. C., & Schlenk, D. (2020). Effects of short-term exposure to environmentally-relevant concentrations of benzo(a)pyrene-sorbed polystyrene to White seabass (Atractoscion nobilis)☆. Environmental Pollution, 263, 114617. Full Text

  • Coffin, S. (2018). Plastic as a Vector for Pollutants in Estuarine and Marine Environments [University of California, Riverside]. Full Text

  • Moreira, L. B., Diamante, G., Giroux, M., Coffin, S., Xu, E. G., Moledo de Souza Abessa, D., & Schlenk, D. (2018). Impacts of salinity and temperature on the thyroidogenic effects of the biocide diuron in Menidia beryllina. Environmental Science & Technology, 52(5), 3146–3155. Full Text

  • Wang, J., Coffin, S., Schlenk, D., & Gan, J. (2020). Accumulation of HOCs via Precontaminated Microplastics by Earthworm Eisenia fetida in Soil. Environmental Science & Technology, acs.est.0c02922. Full Text

  • Wang, J., Coffin, S., Sun, C., Schlenk, D., & Gan, J. (2019). Negligible effects of microplastics on animal fitness and HOC bioaccumulation in earthworm Eisenia fetida in soil. Environmental Pollution, 249, 776–784. Full Text

Bioanalytical screening tools

During graduate school, I collaborated on a number of projects using bioanalytical tools. Some notable publications are listed below:

  • Coffin, S., Dudley, S., Taylor, A., Wolf, D., Wang, J., Lee, I., & Schlenk, D. (2018). Comparisons of analytical chemistry and biological activities of extracts from North Pacific gyre plastics with UV-treated and untreated plastics using in vitro and in vivo models. Environment International, 121, 942–954. https://doi.org/10.1016/j.envint.2018.10.012

  • Coffin, S., Huang, G.-Y., Lee, I., & Schlenk, D. (2019). Fish and Seabird Gut Conditions Enhance Desorption of Estrogenic Chemicals from Commonly-Ingested Plastic Items. Environmental Science & Technology, 53(8), 4588–4599. https://doi.org/10.1021/acs.est.8b07140

  • Coffin, S., Lee, I., Gan, J., & Schlenk, D. (2019). Simulated digestion of polystyrene foam enhances desorption of diethylhexyl phthalate (DEHP) and In vitro estrogenic activity in a size-dependent manner. Environmental Pollution, 246, 452–462. https://doi.org/10.1016/j.envpol.2018.12.011

  • Huang, Y., Kong, M., Coffin, S., Cochran, K. H., Westerman, D. C., Schlenk, D., Richardson, S. D., Lei, L., & Dionysiou, D. D. (2020). Degradation of contaminants of emerging concern by UV/H2O2 for water reuse: Kinetics, mechanisms, and cytotoxicity analysis. Water Research, 174, 115587. https://doi.org/10.1016/j.watres.2020.115587

  • Huang, Y., Kong, M., Westerman, D., Xu, E. G., Coffin, S., Cochran, K. H., Liu, Y., Richardson, S. D., Schlenk, D., & Dionysiou, D. D. (2018). Effects of HCO3– on Degradation of Toxic Contaminants of Emerging Concern by UV/NO3–. Environmental Science & Technology, 52(21), 12697–12707. https://doi.org/10.1021/acs.est.8b04383

  • Huang, Y., Liu, Y., Kong, M., Xu, E. G., Coffin, S., Schlenk, D., & Dionysiou, D. D. (2018). Efficient degradation of cytotoxic contaminants of emerging concern by UV/H 2 O 2. Environmental Science: Water Research & Technology, 4(9), 1272–1281.https://doi.org/10.1039/C8EW00290H

Additional Publications

Coffin, S. (2018). Plastic as a Vector for Pollutants in Estuarine and Marine Environments [University of California, Riverside]. https://escholarship.org/uc/item/2g3670bz

Coffin, S., Dudley, S., Taylor, A., Wolf, D., Wang, J., Lee, I., & Schlenk, D. (2018). Comparisons of analytical chemistry and biological activities of extracts from North Pacific gyre plastics with UV-treated and untreated plastics using in vitro and in vivo models. Environment International, 121, 942–954. https://doi.org/10.1016/j.envint.2018.10.012

Coffin, S., Gan, J., & Schlenk, D. (2017). Comparisons of field and laboratory estimates of risk of DDTs from contaminated sediments to humans that consume fish in Palos Verdes, California, USA. Science of the Total Environment, 601, 1139–1146.

Coffin, S., Huang, G.-Y., Lee, I., & Schlenk, D. (2019). Fish and Seabird Gut Conditions Enhance Desorption of Estrogenic Chemicals from Commonly-Ingested Plastic Items. Environmental Science & Technology, 53(8), 4588–4599. https://doi.org/10.1021/acs.est.8b07140

Coffin, S., Lee, I., Gan, J., & Schlenk, D. (2019). Simulated digestion of polystyrene foam enhances desorption of diethylhexyl phthalate (DEHP) and In vitro estrogenic activity in a size-dependent manner. Environmental Pollution, 246, 452–462. https://doi.org/10.1016/j.envpol.2018.12.011

Coffin, S., Magnuson, J. T., Vliet, S. M. F., Volz, D. C., & Schlenk, D. (2020). Effects of short-term exposure to environmentally-relevant concentrations of benzo(a)pyrene-sorbed polystyrene to White seabass (Atractoscion nobilis)☆. Environmental Pollution, 263, 114617. https://doi.org/10.1016/j.envpol.2020.114617

Coffin, S., Wyer, H., & Leapman, J. C. (2021). Addressing the environmental and health impacts of microplastics requires open collaboration between diverse sectors. PLOS BIOLOGY, 15. https://doi.org/10.1371/journal.pbio.3000932

Grønnestad, R., Schlenk, D., Krøkje, Å., Jaspers, V. L. B., Jenssen, B. M., Coffin, S., Bertotto, L. B., Giroux, M., Lyche, J. L., & Arukwe, A. (2020). Alteration of neuro-dopamine and steroid hormone homeostasis in wild Bank voles in relation to tissue concentrations of PFAS at a Nordic skiing area. Science of The Total Environment, 143745. https://doi.org/10.1016/j.scitotenv.2020.143745

Huang, Y., Kong, M., Coffin, S., Cochran, K. H., Westerman, D. C., Schlenk, D., Richardson, S. D., Lei, L., & Dionysiou, D. D. (2020). Degradation of contaminants of emerging concern by UV/H2O2 for water reuse: Kinetics, mechanisms, and cytotoxicity analysis. Water Research, 174, 115587. https://doi.org/10.1016/j.watres.2020.115587

Huang, Y., Kong, M., Westerman, D., Xu, E. G., Coffin, S., Cochran, K. H., Liu, Y., Richardson, S. D., Schlenk, D., & Dionysiou, D. D. (2018). Effects of HCO3– on Degradation of Toxic Contaminants of Emerging Concern by UV/NO3–. Environmental Science & Technology, 52(21), 12697–12707. https://doi.org/10.1021/acs.est.8b04383

Huang, Y., Liu, Y., Kong, M., Xu, E. G., Coffin, S., Schlenk, D., & Dionysiou, D. D. (2018). Efficient degradation of cytotoxic contaminants of emerging concern by UV/H 2 O 2. Environmental Science: Water Research & Technology, 4(9), 1272–1281.https://doi.org/10.1039/C8EW00290H

Li, S., Jiang, Y., Sun, Q., Coffin, S., Chen, L., Qiao, K., Gui, W., & Zhu, G. (2020). Tebuconazole induced oxidative stress related hepatotoxicity in adult and larval zebrafish (Danio rerio). Chemosphere, 241, 125129. https://doi.org/10.1016/j.chemosphere.2019.125129

Li, S., Qiao, K., Jiang, Y., Wu, Q., Coffin, S., Gui, W., & Zhu, G. (2019). Disruptive effects of two organotin pesticides on the thyroid signaling pathway in Xenopus laevis during metamorphosis. Science of The Total Environment, 697, 134140. https://doi.org/10.1016/j.scitotenv.2019.134140

Li, S., Wu, Q., Sun, Q., Coffin, S., Gui, W., & Zhu, G. (2019). Parental exposure to tebuconazole causes thyroid endocrine disruption in zebrafish and developmental toxicity in offspring. Aquatic Toxicology, 211, 116–123. https://doi.org/10.1016/j.aquatox.2019.04.002

Martindale, S., Weisberg, S. B., & Coffin, S. (2020). Status of Legislation and Regulatory Drivers for Microplastics in California. HORBIA Readout. Full text

Moreira, L. B., Diamante, G., Giroux, M., Coffin, S., Xu, E. G., Moledo de Souza Abessa, D., & Schlenk, D. (2018). Impacts of salinity and temperature on the thyroidogenic effects of the biocide diuron in Menidia beryllina. Environmental Science & Technology, 52(5), 3146–3155. https://pubs.acs.org/doi/10.1021/acs.est.7b04970

Wang, J., Coffin, S., Schlenk, D., & Gan, J. (2020). Accumulation of HOCs via Precontaminated Microplastics by Earthworm Eisenia fetida in Soil. Environmental Science & Technology, acs.est.0c02922. https://doi.org/10.1021/acs.est.0c02922

Wang, J., Coffin, S., Sun, C., Schlenk, D., & Gan, J. (2019). Negligible effects of microplastics on animal fitness and HOC bioaccumulation in earthworm Eisenia fetida in soil. Environmental Pollution, 249, 776–784. https://doi.org/10.1016/j.envpol.2019.03.102

Wyer, H., Polhemus, D., Moore, S., Weisberg, S. B., Coffin, S., & Rochman, C. M. (2020). Steps Scientists Can Take to Inform Aquatic Microplastics Management: A Perspective Informed by the California Experience. Applied Spectroscopy, 74(9), 971–975. https://doi.org/10.1177/0003702820946033