Evaluation of a Chronic Estimation Toxicity Test Using

Missimer, CL; Lemarie, DP; Rue, WJ

doi:10.1520/stp16820s

Cited by 2 publications

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“…A body of literature is available on the acute and chronic toxicities of Ni 2+ and Cr 3+ /Cr 6+ toward marine biota. − Most of the data have been derived from laboratory studies that exposed single biological species to single metal ions (e.g., Ni 2+ or Cr 3+ ) under optimal conditions (e.g., constant pH and temperature). With the use of various approaches, e.g., species sensitivity distributions (SSDs), these data are used to derive marine metal environmental quality standards (EQS), which are threshold metal concentrations in seawater or sediment that are considered to be sufficiently protective for the aquatic environment .…”

Section: Introductionmentioning

confidence: 99%

Deriving Nickel (Ni(II)) and Chromium (Cr(III)) Based Environmentally Safe Olivine Guidelines for Coastal Enhanced Silicate Weathering

Flipkens

Blust

Town

2021

Environ. Sci. Technol.

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Enhanced silicate weathering (ESW) by spreading finely ground silicate rock along the coastal zone to remove atmospheric carbon dioxide (CO2) is a proposed climate change mitigation technique. The abundant and fast-dissolving mineral olivine has received the most attention for this application. However, olivine contains nickel (Ni) and chromium (Cr), which may pose a risk to marine biota during a gigaton-scale ESW application. Herein we derive a first guideline for coastal olivine dispersal based on existing marine environmental quality standards (EQS) for Ni and Cr. Results show that benthic biota are at the highest risk when olivine and its associated trace metals are mixed in the surface sediment. Specifically, depending on local sedimentary Ni concentrations, 0.059–1.4 kg of olivine m–2 of seabed could be supplied without posing risks for benthic biota. Accordingly, globally coastal ESW could safely sequester only 0.51–37 Gt of CO2 in the 21st century. On the basis of current EQS, we conclude that adverse environmental impacts from Ni and Cr release could reduce the applicability of olivine in coastal ESW. Our findings call for more in-depth studies on the potential toxicity of olivine toward benthic marine biota, especially in regard to bioavailability and metal mixture toxicity.

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Section: Introductionmentioning

confidence: 99%

Deriving Nickel (Ni(II)) and Chromium (Cr(III)) Based Environmentally Safe Olivine Guidelines for Coastal Enhanced Silicate Weathering

Flipkens

Blust

Town

2021

Environ. Sci. Technol.

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show abstract

“…A body of literature is available on the acute and chronic toxicity of Ni 2+ and Cr 3+ /Cr 6+ towards marine biota (Reish, 1981;Frey et al, 1983;Missimer et al, 1989;Bielmyer et al, 2005;Urrutia et al, 2008;Gissi et al, 2018;Panneerselvam et al, 2018;Wang et al, 2020). Most of the data has been derived from laboratory studies that exposed single biological species to single metal ions (e.g.…”

Section: Introductionmentioning

confidence: 99%

Coastal enhanced olivine weathering for climate change mitigation: investigating the CO2 sequestration potential and ecotoxicological risks

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Evaluation of a Chronic Estimation Toxicity Test Using

Cited by 2 publications

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Deriving Nickel (Ni(II)) and Chromium (Cr(III)) Based Environmentally Safe Olivine Guidelines for Coastal Enhanced Silicate Weathering

Deriving Nickel (Ni(II)) and Chromium (Cr(III)) Based Environmentally Safe Olivine Guidelines for Coastal Enhanced Silicate Weathering

Coastal enhanced olivine weathering for climate change mitigation: investigating the CO2 sequestration potential and ecotoxicological risks

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