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| Created: | May 05, 2023 at 9:53 p.m. | |
| Last updated: | May 08, 2023 at 5:05 p.m. | |
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Abstract
Data for a study in Portland, OR determining the occurrence of microplastics in stormwater catch basins and the potential effectiveness of stormwater biofilters in removing microplastics as described in a forthcoming manuscript by Wolfand et al. (2023).
The README file provide details for the following data: (1) Results from grab samples taken from five catch basins during four storm events. Suspected microplastics were quantified visually with a microscope and confirmed with FTIR. (2) Results from a column study that was conducted to determine the removal of microplastics by three types of geomedia: a proprietary mix, the City of Portland standard mix, and layered compost and sand. Each geomedia was tested in triplicate for five tests.
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Content
readme.txt
Microplastics Occurrence in Stormwater in Portland, OR and Observed Removal by Bioretention Columns Authors: Jordyn Wolfand, Cara J. Poor, Buck L. H. Taylor, Emma Morrow, Abby Radke, and Elizabeth Diaz-Gunning ------------------------------------------------ Dataset: Microplastic Occurence in Stormwater Grab Samples in Portland, OR Filename: field_data.csv Date of Data Collection: 11/06/2021 - 2/27/2022 Description: Stormwater samples were taken from five catch basins during four storm events in Portland, OR and analyzed for microplastics between 106 micron and 5 mm. Data Type/Format: Comma-separated value file (.csv) Fields: sample - sample ID storm - numbered storm event: 11, 13, 14, or 15 site - site ID, correlating to a City of Portland catch basin date_collected - date grab sample was collected volume - volume collected, in liters type - morphology of suspected microplastic observed (fiber, foam, fragment, or other) color - color of suspected microplastic ------------------------------------------------ Dataset: Microplastic Removal Data for Column Studies with Engineered Geomedia Filename: column_studies.csv Description: Column studies were conducted to assess microplastics removal across three different types of engineered geomedia. Data Type/Format: Comma-separated value file (.csv) Fields: Soil Mix - Type of soil mix tested: proprietary mix, portland mix, or layered columns Test - test number (1-5) No. Particles (n = 3) - total number of particles observed in effluent across three replicates Average per Column - average number of particles observed per column Standard Dev. - standard deviation of particles observed per column % Removal - percent removal Average Infiltration Rate (in/hr) - average infiltration rate across three replicates in in/hr Average Infiltration Rate (cm/hr) - average infiltration rate across three replicates in cm/hr ------------------------------------------------- Contact: wolfand@up.edu and poor@up.edu
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
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| Oregon Sea Grant | NA18OAR4170072-R/WQ-03 |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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