Essays about: "Predicted No Effect Concentration PNEC"

Found 3 essays containing the words Predicted No Effect Concentration PNEC.

  1. 1. Comparison of two methods in deriving aquatic predicted no-effect concentration (PNEC) for α-Amylcinnamaldehyde, 1-Tridecanol and Paracetamol

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Emma Holmén; [2019]
    Keywords : PNEC; Environmental risk assessment; ERA; α-Amylcinnamaldehyde; 1- tridecanol; paracetamol; Species Sensitivity Distributions; SSD; ECHA; Guidance on information requirements and chemical safety assessment; Earth and Environmental Sciences;

    Abstract : This study is evaluating two methods in order to calculate predicted no effect concentrations (PNECs) used in environmental risk assessment for three chemicals (α-Amylcinnamaldehyde, 1-tridecanol and paracetamol). The methods used are Species Sensitivity Distributions (SSD) and the guideline from European Chemicals Agency (ECHA): “Guidance on information requirements and chemical safety assessment”. READ MORE

  3. 2. Occurrence and Risk Assessment of Illicit Drugs in Wastewater Treatment Plants’ influent and effluent in Halland County, Sweden: Cocaine, MDMA, Amphetamine, Methamphetamine, and Cannabis.

    University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Author : Jamshid Ansari; [2018]
    Keywords : Drugs of abuse; Environmental Risk Assessment ERA ; Predicted No Effect Concentration PNEC ; Sewage Treatment Plants STPs ; ECOSAR;

    Abstract : Recently, the presence of illicit drugs in effluents from Wastewater Treatment Plants (WWTPs) and the aquatic environment has raised concern over their possible negative effects on aquatic organisms. In this study, therefore ecotoxicological data was retrieved through a literature survey and by using the software ECOSAR. READ MORE

  4. 3. Environmental Risk Assessment of Nonylphenol Spillage in Göta Älv

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Elham Arbaban Esfahani; [2008]
    Keywords : environmental risk assessment; multimedia fate model; nonylphenol;

    Abstract : Environmental concern due to handling of hazardous chemicals is growing. This issue drawsstakeholder attentions more than before to risks associated with accidental spillage in industryor traffic. This study aims at addressing the risks resulting from the spillage of one metrictonne nonylphenol from an imaginary traffic accident. READ MORE