دورية أكاديمية
أعرض في EDS

Using phosphate amendments to reduce bioaccessible Pb in contaminated soils: A meta-analysis.

التفاصيل البيبلوغرافية
العنوان: Using phosphate amendments to reduce bioaccessible Pb in contaminated soils: A meta-analysis.
المؤلفون: Mayer MM; School of Environment and Natural Resources, The Ohio State University, Columbus, OH, United States., Basta NT; School of Environment and Natural Resources, The Ohio State University, Columbus, OH, United States., Scheckel KG; U.S. Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, Land Remediation and Technology Division, Cincinnati, OH, United States.
المصدر: Frontiers in soil science [Front Soil Sci] 2022 Nov 07; Vol. 2, pp. 1-14.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Frontiers Media SA Country of Publication: Switzerland NLM ID: 9918299581806676 Publication Model: Print Cited Medium: Internet ISSN: 2673-8619 (Electronic) Linking ISSN: 26738619 NLM ISO Abbreviation: Front Soil Sci Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Lausanne : Frontiers Media SA, [2021]-
مستخلص: Measuring the reduction of in vitro bioaccessible (IVBA) Pb from the addition of phosphate amendments has been researched for more than 20 years. A range of effects have been observed from increases in IVBA Pb to almost 100% reduction. This study determined the mean change in IVBA Pb as a fraction of total Pb (AC) and relative to the IVBA Pb of the control soil (RC) with a random effects meta-analysis. Forty-four studies that investigated the ability of inorganic phosphate amendments to reduce IVBA Pb were identified through 5 databases. These studies were split into 3 groups: primary, secondary, and EPA Method 1340 based on selection criteria, with the primary group being utilized for subgroup analysis and meta-regression. The mean AC was approximately -12% and mean RC was approximately -25% for the primary and secondary groups. For the EPA Method 1340 group, the mean AC was -5% and mean RC was -8%. The results of subgroup analysis identified the phosphorous amendment applied and contamination source as having a significant effect on the AC and RC. Soluble amendments reduce bioaccessible Pb more than insoluble amendments and phosphoric acid is more effective than other phosphate amendments. Urban Pb contamination associated with legacy Pb-paint and tetraethyl Pb from gasoline showed lower reductions than other sources such as shooting ranges and smelting operations. Meta-regression identified high IVBA Pb in the control, low incubated soil pH, and high total Pb with the greater reductions in AC and RC. In order to facilitate comparisons across future remediation research, a set of minimum reported data should be included in published studies and researchers should use standardized in vitro bioaccessibility methods developed for P-treated soils. Additionally, a shared data repository should be created for soil remediation research to enhance available soil property information and better identify unique materials.
Competing Interests: Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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معلومات مُعتمدة: EPA999999 United States ImEPA Intramural EPA
فهرسة مساهمة: Keywords: bioaccessibility; lead (Pb); phosphorous (P); remediation; soil
تواريخ الأحداث: Date Created: 20230203 Latest Revision: 20230207
رمز التحديث: 20230207
مُعرف محوري في PubMed: PMC9890325
DOI: 10.3389/fsoil.2022.1028328
PMID: 36733849
قاعدة البيانات: MEDLINE
الوصف
تدمد:2673-8619
DOI:10.3389/fsoil.2022.1028328