Addressing aquatic hazard classification for metals, metal compounds and alloys in marine systems
| Autor: | Marcin Pawlak, Robert Beaudoin, Jim Skeaff, P. Huntsman-Mapila |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
010504 meteorology & atmospheric sciences
Alloy Fresh Water 010501 environmental sciences Aquatic Science engineering.material Oceanography Ecotoxicology 01 natural sciences Hazardous Substances Metal Metals Heavy Alloys Seawater Solubility Dissolution 0105 earth and related environmental sciences Metallurgy Oxides Cobalt Models Theoretical Pollution visual_art engineering visual_art.visual_art_medium Metal powder Environmental science Ecotoxicity Copper Water Pollutants Chemical |
| Zdroj: | Marine pollution bulletin. 109(1) |
| ISSN: | 1879-3363 |
| Popis: | New International Maritime Organization regulations require shippers to classify all solid bulk cargo to indicate whether they are Harmful to the Marine Environment (HME). The objective of this work was to adapt the freshwater Transformation/Dissolution Protocol (T/DP) to marine water to provide a method to determine, when compared with marine Ecotoxicity Reference Values (ERVs), whether a metal-bearing substance is HME. The substances examined were: Cu2O powder; Ni metal powder; Co3O4 powder; and a Ni-Co-Fe alloy, as wire cuttings, which were the same substances examined in the freshwater T/D validation study and afforded comparisons of the reactivity, or measure of the rate and extent of metal release from the metal-bearing substances in freshwater versus marine conditions. The marine T/D method is suitable for conducting examinations of metal-bearing substances with a wide range of reactivities, from the relatively reactive Cu2O powder and the alloy to the Co3O4 powder, which was the least reactive. |
| Databáze: | OpenAIRE |
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