Identification of Groundwater Solute Sources Using Boron Isotopic Composition

Bassett, R. L.; Buszka, Paul M.; Davidson, Gregg R.; Chong-Diaz, Damaris

doi:10.1021/es00012a005

Cited by 108 publications

(69 citation statements)

References 20 publications

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“…Boron isotopes have been shown to be useful for identifying anthropogenic B sources in surface water and shallow groundwater systems: (i) municipal wastewater and sewage (BASSETT, 1990;VENGOSH et al, 1994VENGOSH et al, , 1999BASSETT et al, 1995;EISENHUT et al, 1996;VENGOSH, 1998;SEILER, 2005); (ii) irrigation return flows (BASSETT et al, 1995); (iii) fertilizer-affected irrigation waters from various agricultural settings (KOMOR, 1997); (iv) domestic solid waste deposit leachates from landfills (EISENHUT & HEUMANN, 1997;BARTH, 2000); (v) mixed agricultural sources dominated by animal waste (WIDORY et al, 2004); (vi) fly ash deposit leachates from a coal-fired power plant (DAVIDSON & BASSETT, 1993).…”

Section: Stable Isotopes Of Boronmentioning

confidence: 99%

“…hog manure, cattle feedlot runoff and synthetic fertilizers) in surface and groundwaters (BASSETT et al, 1995;KOMOR, 1997;WIDORY et al, 2004). In a recent study (WIDORY et al, 2004), б11B was used to distinguish between two types of sewage that were indistinguishable using б 15 N alone: a high-B/low-NO 3 /low-б 11 B type that is derived from washing powders, and a moderate-B/moderate-NO 3 type with б 11 B values close to animal (probably human) manure.…”

Section: Stable Isotopes Of Boronmentioning

confidence: 99%

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Multi-isotope approach for the identification and characterisation of nitrate pollution sources in the Marano lagoon (Italy) and parts of its catchment area

Saccon

Leis

Marca

et al. 2013

Applied Geochemistry

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Section: Stable Isotopes Of Boronmentioning

confidence: 99%

Section: Stable Isotopes Of Boronmentioning

confidence: 99%

Multi-isotope approach for the identification and characterisation of nitrate pollution sources in the Marano lagoon (Italy) and parts of its catchment area

Saccon

Leis

Marca

et al. 2013

Applied Geochemistry

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“…Boron isotopes have been successfully used for tracing sources of anthropogenic input into ground-and surface water, [1][2][3][4][5] rainwater and deposition, [6][7][8] freshwater lakes, 9 landfill percolates 10 and even anthropogenic emissions in the atmosphere.…”

Section: B/mentioning

confidence: 99%

Boron isotope ratio (δ11B) measurements in Water Framework Directive monitoring programs: comparison between double focusing sector field ICP and thermal ionization mass spectrometry

Tirez

Brusten

Wîdory

et al. 2010

J. Anal. At. Spectrom.

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The aim of our research was to compare d 11 B measurements performed with thermal ionization mass spectrometry (TIMS) and sector field-inductively coupled plasma-mass spectrometry (SF-ICP-MS) and evaluate the feasibility of implementing stable isotope methods in European water framework directive (WFD) monitoring programs. The comparison was based on d B measurements attainable with SF-ICP-MS, 2s¼ AE 2.6&; (n ¼ 192), is as expected lower than the precision achieved by TIMS, 2s¼ AE 0.3& (n ¼ 183). However the ease of use, rapidity and availability of SF-ICP-MS on one hand and the observed variability in d 11 B in ground-and surface water on the other (from À3.4 to +37&), demonstrates that using SF-ICP-MS as an isotopic screening method would promote the use of isotopic methodology for WFD monitoring. Based on the results of the different case studies it is shown that retrieving precise information on the identification of pollution sources from d11 B values requires reaching the best analytical precision and accuracy possible. Hence, the superior precision of TIMS advantages tracing of nitrate pollution sources. However for some cases, e.g. trying to decipher contributions between sources with really distinct d 11 B signatures (e.g. manure and sewage effluent), SF-ICP-MS results lead to the same conclusions and can therefore be used as a first approachable screening method for the determination of d 11 B in WFD monitoring programs.

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“…The standard ratio (NIST SRM 951; Coplen et al 2002) Natural waters range widely from −16 to þ59‰ δ 11 B, with uncontaminated groundwater around þ30‰ δ 11 B (Vengosh et al 1994). Treated municipal wastewater tends to be higher in 10 B, producing values around þ1‰ to þ10‰ δ 11 B (Vengosh et al 1994;Bassett et al 1995;Leenhouts et al 1998). Boron in wastewater generally originates from soaps and other detergents (Bassett et al 1995).…”

Section: Boron-10 and Bromide Tracersmentioning

confidence: 99%

“…Treated municipal wastewater tends to be higher in 10 B, producing values around þ1‰ to þ10‰ δ 11 B (Vengosh et al 1994;Bassett et al 1995;Leenhouts et al 1998). Boron in wastewater generally originates from soaps and other detergents (Bassett et al 1995). A tracer study at Rio Hondo Spreading Grounds (RHSG) (Quast et al 2006), nearby the test basin that receives similar source waters, reported untagged basin water of þ2‰ and untagged groundwater of þ5‰ and þ8‰.…”

Section: Boron-10 and Bromide Tracersmentioning

confidence: 99%

Heat, B10-Enriched Boric Acid, and Bromide as Recycled Groundwater Tracers for Managed Aquifer Recharge: Case Study

Becker

Clark

Johnson³

2015

J. Hydrol. Eng.

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California guidelines for indirect potable recycled wastewater reuse projects currently require groundwater tracers to demonstrate subsurface residence time for pathogenic microorganism control. Residence times over 6 months from infiltration to drinking water extraction are required. Two prospective tracers were evaluated in this case study: boron-10 (as 10 B-enriched boric acid) and heat (with recharging water ∼10°C warmer than native groundwater). Bromide (Br − ) was also released as a control. 10 B is attractive as a deliberate tracer because (1) reasonably accurate and affordable measurements can be made on an inductively coupled plasma mass spectrometer (ICP-MS) system, and (2) isotopic tracers require significantly less mass to tag an equivalent water volume than concentration-based salt tracers like Br − . 10 B and Br − tracer breakthroughs were observed at seven of nine monitoring wells, although at one well the detection of 10 B was barely observable and may have resulted from a slight change in source water composition. 10 B arrived 25% later than Br − on average, showing retardation through exchange with clay surfaces. Heat flow, requiring no artificial input, was interpreted from temperature changes recorded hourly at well loggers. Residence times to all wells were successfully determined from temperature changes with the longest flow path of 6 months. This implies that dilution of Br − and 10 B is a limitation the geochemical tracer experiment.

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Identification of Groundwater Solute Sources Using Boron Isotopic Composition

Cited by 108 publications

References 20 publications

Multi-isotope approach for the identification and characterisation of nitrate pollution sources in the Marano lagoon (Italy) and parts of its catchment area

Multi-isotope approach for the identification and characterisation of nitrate pollution sources in the Marano lagoon (Italy) and parts of its catchment area

Boron isotope ratio (δ11B) measurements in Water Framework Directive monitoring programs: comparison between double focusing sector field ICP and thermal ionization mass spectrometry

Heat, B10-Enriched Boric Acid, and Bromide as Recycled Groundwater Tracers for Managed Aquifer Recharge: Case Study

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