What risks are there to the residents of San Mateo County, including Menlo Park, from the pesticides?
The risks to the public and to the environment are very low. Mosquito adulticides are applied as ultra-low-volume (ULV) sprays. ULV applications involve very small quantities of active ingredient in relation to the size of the area treated, typically less than 2 ounces per acre, which minimizes exposure and risk to people and the environment. There is no need to relocate during the spraying.

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1. Who is responsible for mosquito spraying / fogging in Menlo Park?
2. What will trigger mosquito spraying / fogging?
3. What pesticides are used by the District for controlling adult mosquitoes?
4. What risks are there to the residents of San Mateo County, including Menlo Park, from the pesticides?
5. Where will the spraying / fogging take place?
6. What risks are there to the environment from the pesticides that are used for mosquito abatement?
7. Are the insecticides exclusive to mosquitoes that carry West Nile Virus?
8. Should I or other residents take steps to reduce exposure to the pesticides used during mosquito control spraying / fogging?
9. Should those who are pregnant be concerned or take extra precautions during the mosquito spraying / fogging?
10. Will the spraying / fogging for adult mosquitoes affect pets?
11. Will the spraying / fogging for adult mosquitoes affect local honey bees?
12. Will the spraying / fogging for adult mosquitoes affect my lawn furniture, play equipment, toys, and garden plants?
13. Will the spraying / fogging for adult mosquitoes affect fruits and vegetables?
14. Where can I get additional information regarding specific insecticides used by the District?
15. How can I receive information about spraying / fogging for adult mosquitoes?