The Final Generic Environmental Impact Report (GEIR) is now available in Adobe Acrobat format:

Final Generic Environmental Impact Report Main Document pdf format of    Final Generic Environmental Impact Report Main Document  file size 14MB

Appendices with Revised Appendix 3 pdf format of    Appendices with Revised Appendix 3

Practical Guide pdf format of    Practical Guide  file size 5MB

Practical Guide Without Pictures pdf format of    Practical Guide Without Pictures  file size 1MB

New aquatic herbicides have been registered in Massachusetts since the creation of the GEIR (2004).  These products should be considered approved for use in addition to those currently listed in the GEIR.  Please visit the MA Department of Agriculture to get the current list of registered aquatic herbicides for use in Massachusetts.

These documents can be made available in other formats, as needed. Please contact tom.flannery@state.ma.us or call 617-626-4975.