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Straw Wattle and Compost Filter Sock Performance Report
for Retaining Stormwater Contaminants
following the 2018 Camp Fire
CalRecycle just published a research report with the California State University, Chico and the University of Nevada, Reno to compare the performance of straw wattles and compost filter socks to retain contaminants from stormwater runoff.
Straw wattles and compost filter socks were deployed during the 2018 Camp Fire where they remained throughout the rainy season until 2019 when samples were collected. This study characterized the presence of trace metals, per- and polyfluoroalkyl substances (PFAS), and polychlorinated dibenzo-p-dioxins and furans (PCDD/F) in the samples collected.
Key findings include:
1) Compost filter socks retained more contaminants than straw wattles.
2) Deployment and management of products are important to ensure products are effective for the use of either erosion control and/or contaminant retention.
Download the report at:
www2.calrecycle.ca.gov/Publications/Details/1740
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If you're a recycling-focused business, CalRecycle offers a variety of resources to help you grow. These include grants, loans, and market development assistance tailored to promote recycling and waste reduction initiatives. For information on available resources and how to apply, please visit CalRecycle’s Business Assistance page. |
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