Revised Emission Scenario Document for Product Type 14 Rodenticides August 2018 2 Emission Scenario Document for Product Type 14 Disclaimer This document aims to assist users in complying with their obligations under the Biocides Regulation. However, users are reminded that the text of the Biocides Regulation is the only authentic legal reference and that the information in this document does not constitute legal advice. Usage of the information remains under the sole responsibility of the user. The European Chemicals Agency does not accept any liability with regard to the use that may be made of the information contained in this document. Version Changes Revised Emission Scenario Document for Product Type 14 - Rodenticides Drafted by Dr. Knoell Consult GmbH, Leverkusen on behalf of the German Umweltbundesamt Revised and endorsed by the Environment Working Group Edited by the European Chemicals Agency Reference: ECHA-18-H-23-EN ISBN: 978-92-9020-837-2 Cat. number: ED-03-18-217-EN-N DOI: 10.2823/660595 Publ.date: August 2018 Language: EN © European Chemicals Agency, August 2018 Cover page © European Chemicals Agency If you have questions or comments in relation to this document please send them (quote the reference and issue date) using the information request form. The information request form can be accessed via the Contact ECHA page at: http://echa.europa.eu/contact European Chemicals Agency Mailing address: P.O. Box 400, FI-00121 Helsinki, Finland Visiting address: Annankatu 18, Helsinki, Finland Emission Scenario Document for Product Type 14 3 Table of Contents LIST OF ABBREVIATIONS ........................................................................................... 7 SUMMARY ................................................................................................................... 9 1 INTRODUCTION .................................................................................................. 13 1.1 Background ........................................................................................................ 13 1.2 Questionnaire ..................................................................................................... 13 1.3 Harmonised presentation ..................................................................................... 16 2 BACKGROUND INFORMATION ON RODENTICIDES .............................................. 17 2.1 Active substances ................................................................................................ 17 2.2 Formulations ...................................................................................................... 18 2.3 Mode of application ............................................................................................. 19 2.4 Target species and travel distance ......................................................................... 22 2.5 Rodenticide users ................................................................................................ 23 2.6 Primary and secondary poisoning .......................................................................... 24 2.7 Definition of areas of use ..................................................................................... 25 2.7.1 Sewer systems ........................................................................................................... 25 2.7.2 In and around building ................................................................................................ 26 2.7.3 Open areas ................................................................................................................ 27 2.7.4 Waste dumps ............................................................................................................. 28 2.7.5 Bank slopes ............................................................................................................... 28 3 EXPOSURE SCENARIOS FOR THE ENVIRONMENT ................................................ 29 3.1 General issues and background ............................................................................. 29 3.2 Exposure scenarios .............................................................................................. 30 3.3 Exposure scenarios for sewer systems ................................................................... 30 3.3.1 Description of use area................................................................................................ 30 3.3.2 Rodenticide formulations typically applied in this area ..................................................... 30 3.3.3 Environmental release pathway .................................................................................... 31 3.3.4 Emission scenarios ..................................................................................................... 32 3.3.4.1 Emission to STP .......................................................................................................................... 32 3.3.4.2 Emission to surface water bodies ................................................................................................... 35 3.3.5 Other protection targets .............................................................................................. 36 3.3.5.1 Primary poisoning ....................................................................................................................... 36 3.3.5.2 Secondary poisoning .................................................................................................................... 37 3.4 Exposure scenarios for the application in and around buildings ................................. 37 3.4.1 Description of use area................................................................................................ 37 3.4.2 Rodenticide formulations typically applied in and around buildings .................................... 37 3.4.3 Environmental release pathway .................................................................................... 38 3.4.3.1 Outdoor use ............................................................................................................................... 38 3.4.3.2 Indoor use .................................................................................................................................. 39 3.4.3.3 Indoor and/or outdoor use ........................................................................................................... 41 3.4.4 Emission scenarios ..................................................................................................... 41 3.4.4.1 Outdoor use around buildings ....................................................................................................... 41 3.4.4.2 Indoor use .................................................................................................................................. 45 3.4.4.3 Addition of environmental concentrations arising from indoor and outdoor use of solid baits ................. 49 3.4.5 Other protection targets .............................................................................................. 49 4 Emission Scenario Document for Product Type 14 3.4.5.1 Primary poisoning ....................................................................................................................... 49 3.4.5.2 Secondary poisoning .................................................................................................................... 49 3.5 Exposure scenarios for open areas ........................................................................ 50 3.5.1 Description of use area................................................................................................ 50 3.5.2 Rodenticide formulations typically applied in this area ..................................................... 50 3.5.3 Environmental release pathway .................................................................................... 50 3.5.3.1 Solid bait formulations ................................................................................................................. 50 3.5.3.2 Gassing formulations ................................................................................................................... 51 3.5.4 Emission scenarios ..................................................................................................... 52 3.5.4.1 Solid bait formulations ................................................................................................................. 52 3.5.4.2 Gassing formulations ................................................................................................................... 55 3.5.5 Other protection targets .............................................................................................. 60 3.5.5.1 Primary poisoning ....................................................................................................................... 60 3.5.5.2 Secondary poisoning .................................................................................................................... 60 3.6 Exposure scenarios for waste dumps/landfills ......................................................... 60 3.6.1 Description of use area................................................................................................ 60 3.6.2 Rodenticide formulations typically applied in this area ..................................................... 61 3.6.3 Environmental release pathway ...................................................................................