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E ioretention Area Maintenance Plan Date of Insper <br />Property Address: Treatment Measure <br />Tabic 7 <br />Rouse Maintenance Aciivi6m For sic ratention Areae <br />4 <br />Remove and rapists all 600 and diseased vegetation. <br />Twice a year <br />5 <br />Maintain vegetation and the irogation system. Prune and <br />Before wet sessat begins, or as <br />weed to keep haoretenlion area neat and orderly in <br />needed <br />appearance. <br />6 <br />Check that mulch is of appropriate depth (3 inches per sail <br />Monthly <br />spechications) and replenish as nacessary, before at <br />season begins. <br />7 <br />Inspect boretention area using the atacneo inspection <br />Monthly, or after large storm events, <br />checklist. <br />and after removal of accumulated <br />debris or materal <br />11. Prohibitions <br />The use of pesticides and quick release fertilizers shall be minimized, and the principles of <br />integrated pest management (IPM) followed: <br />I . Employ non -chemical controls (biological, physical and cultural controls) before using <br />chemicals to treat a pest problem. <br />2. Prune plants properly and at the appropriate time of year. <br />3. Provide adequate irrigation for landscape plants. Do not over water. <br />4. Limit fertilizer use unless soil testing indicates a deficiency, Slow-release or organic <br />fertilizer is preferable. Check with municipality for specific requirements. <br />5. Pest control should avoid harming non -target organisms, or negatively affecting air and <br />water quality and public health. Apply chemical controls only when monitoring indicates <br />that preventative and non -chemical methods are not keeping pests below acceptable <br />levels. When pesticides are required, apply the least toxic and the least persistent <br />pesticide that will provide adequate pest control. Do not apply pesticides on a <br />prescheduled basis. <br />6. Sweep up spilled fertilizer and pesticides. Do not wash away or bury such spills. <br />7. Do not over apply pesticide. Spray only where the infestation exists. Follow the <br />manufacturer's instructions for mixing and applying materials. <br />8. Only licensed, trained pesticide applicators shall apply pesticides. <br />9. Apply pesticides at tha appropriate time to maximize their effectiveness and minimize <br />the likelihood of discharging pesticides into runoff. With the exception of pre -emergent <br />pesticides, avoid application ff rain is expected. <br />10- Unwantedlunused pesticides shall be disposed as hazardous waste. <br />Standing water shall not remain in the treatment measures for more than five days, to prevent <br />mosquito generation. Should any mosquito issues arise, contact the San Mateo County Mosquito <br />Abatement District (SMCMAD), as needed for assistance. Mosquito larvicides shall be applied <br />only when absolutely necessary, as indicated by the SMCMAD, and then only by a licensed <br />professional or contractor. Contact information for SMCMAD is provided below. <br />IIL Mosquito Abatement Contact Information <br />San Mateo County Mosquito Abatement District <br />1351 Rollins Road <br />Buf ingame,CA 94010 <br />PH:(650) 344-6592 <br />FAX: (650) 344-3843 <br />Email: infoftsmcmad.om <br />REV: 11-05-2021 VR <br />Page 2 <br />ATTY/AGR.2021.279/Westpoint Harbor LLC (Page 18 of 20) <br />