La fiche Environnement détaillée a été élaborée selon la méthodologie développée dans l'indicateur de risque des pesticides du Québec (IRPeQ).
piclorame (sels d'amine) |
| Abréviation : PID |
| Types de pesticides : Herbicide |
| Numéro CAS : 1918-02-1 |
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> 2510.0 | US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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14.5 | US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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> 4475.0 | University of Hertfordshire (2013). The Pesticide Properties DataBase (PPDB) developed by the Agriculture & Environment Research Unit (AERU), University of Hertfordshire, 2006-2013., (Pages consultées en mars 2018), [En ligne]. http://sitem.herts.ac.uk/aeru/ppdb/en/index.htm |
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5500.0 | US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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34400.0 |
US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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| 430.0 |
US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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7.2 |
US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
| -1.92 |
US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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| 383.0 |
US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |
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| 80.8 |
University of Hertfordshire (2013). The Pesticide Properties DataBase (PPDB) developed by the Agriculture & Environment Research Unit (AERU), University of Hertfordshire, 2006-2013., (Pages consultées en mars 2018), [En ligne]. http://sitem.herts.ac.uk/aeru/ppdb/en/index.htm |
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Le piclorame sous forme acide est persistant dans les sols en condition aérobie (demi-vie de 167 à 513 jours) et en condition anaérobie (stable). Il est modérément persistant dans l’eau en condition aérobie (demi-vie de 80,8 jours) et persistant en condition anaérobie (stable). Cet herbicide est stable à l’hydrolyse aux pH normalement rencontrés dans l’environnement. Le piclorame sous forme acide se dégrade rapidement par photolyse dans l’eau (demi-vie de 16 jours). Les produits de transformation principaux du piclorame comprennent l’acide oxamique et le 3-oxo-beta-alanine. Selon l’EPA, ces métabolites ne devraient pas être persistants dans le sol. US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov University of Hertfordshire (2013). The Pesticide Properties DataBase (PPDB) developed by the Agriculture & Environment Research Unit (AERU), University of Hertfordshire, 2006-2013., (Pages consultées en mars 2018), [En ligne]. http://sitem.herts.ac.uk/aeru/ppdb/en/index.htm |
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La constante d'adsorption sur le carbone organique (Koc) de la forme acide du piclorame est de 7,2 ml/g. Il est donc très mobile dans les sols et son potentiel de lessivage est élevé. Cet herbicide est susceptible d’être entraîné jusque dans les eaux souterraines. Il est non volatil à partir des sols humides et de l'eau selon la constante de la loi de Henry (H = 3,0 x 10-12 atm.m3/mol). US EPA (United States Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention), 2013, Problem Formulation for the Environmental Fate and Ecological Risk, Endangered Species, and Drinking Water Assessments in Support of the Registration Review of Picloram, 111 pages, EPA-HQ-OPP-2013-0740-0005. https://www.regulations.gov |