The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Occurrence and loss over three years of 72 pharmaceuticals and personal care products from biosolids–soil mixtures in outdoor mesocosms
Open accessAbstract
Municipal biosolids are in widespread use as additives to agricultural soils in the United States. Although it is well known that digested sewage sludge is laden with organic wastewater contaminants, the fate and behavior of micropollutants in biosolids-amended agricultural soils remain unclear. An outdoor mesocosm study was conducted in Baltimore, Maryland, to explore the fate of 72 pharmaceuticals and personal care products (PPCPs) over the course of three years in biosolids/soil mixtures (1:2) that were placed in plastic containers made from polyvinylchloride and kept exposed to ambient outdoor conditions. Of the 72 PPCPs tested for using EPA Method 1694, 15 were initially detected in the soil/biosolids mixtures at concentrations ranging from low parts-per-billion to parts-per-million levels. The antimicrobials triclocarban and triclosan showed the highest initial concentrations at 2715 and 1265 μg kg−1, respectively. Compounds showing no discernable loss over three years of monitoring included diphenhydramine, fluoxetine, thiabendazole and triclocarban. The following half-life estimates were obtained for compounds showing first-order loss rates: azithromycin (408 – 990 d) carbamazepine (462 – 533 d), ciprofloxacin (1155 – 3466 d), doxycycline (533 – 578 d), 4-epitetracycline (630 d), gemfibrozil (224 – 231 d), norfloxacin (990 – 1386 d), tetracycline (578 d), and triclosan (182 – 193 d). Consistent with other outdoor degradation studies, chemical half-lives determined empirically exceeded those reported from laboratory studies or predicted from fate models. Study results suggest that PPCPs shown in the laboratory to be readily biotransformable can persist in soils for extended periods of time when applied in biosolids. This study provides the first experimental data on the persistence in biosolids-amended soils for ciprofloxacin, diphenhydramine, doxycycline, 4-epitetracycline, gemfibrozil, miconazole, norfloxacin, ofloxacin, and thiabendazole.
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Cites
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Cited by
Fluoroquinolone antibiotics: An emerging class of environmental micropollutants
Van Doorslaer, X., Dewulf, J., Van Langenhove, H., & Demeestere, K. (2014) · Science of The Total Environment · doi:10.1016/j.scitotenv.2014.08.075 · Cited by 819
Christou, A., Agüera, A., Bayona, J. M., Cytryn, E., Fotopoulos, V., Lambropoulou, D., Manaia, C. M., Michael, C., Revitt, M., Schröder, P., et al. (2017) · Water Research · doi:10.1016/j.watres.2017.07.004 · Cited by 590
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Metadata
- Authors
- Walters, E., McClellan, K., & Halden, R. U.
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 2010-12
- Volume
- 44
- Issue
- 20
- Pages
- 6011-6020
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W1967908446
- Cited by
- 366
- References
- 41
- FWCI
- 15.96
- Type
- journal article
- Language
- en
- Open access
- green
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