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g. 2. Air Filtration Attachment 1 coordinator shall be conspicuously posted at the construction site and shall be provided to the Director of Community Development. Additional best management practices may be required by the Building and Safety Division and /or City Engineer. All additional best management practices shall be reviewed and approved by the Building and Safety Division and /or City Engineer, prior to implementation. Staff recommends draft condition of approval 1.B.4 of the Appendix for Case PUD -68 be modified as follows: Air Quality Health Risk Assessment (HRA). For each unit within 247 feet of the southern edge of the closest existing travel lane of the 1 -580 freeway, the project developer shall either: 1) install a high efficiency particulate air (HEPA) filter or other air filtration system in the unit or 2) relocate the unit such that it is at least 248 feet from the southern edge of the existing travel lane of the 1 - 580 freeway. ILU #5 and ILU #6 shall be located at least 248 feet from the southern edge of the existing travel lane of the 1 -580 freeway The northernmost units in ILU #5 and ILU #6 shall have HEPA filters or other air filtration systems as approved by the Director of Community Development. The "southern edge of the closest existing travel lane" shall be the closest southern edge of the existing travel lane located immediately north of the project site at the time the project PUD is approved by the City Council. The applicant shall revise sheet C -6 of Exhibit B and show the southern edge of the existing closest travel lane on the plans and the 247 foot setback. The revised sheet shall be provided to the Planning Division prior to any subdivision approval on the Staples Ranch property. The revised sheet C -6 shall be shown on all building plans submitted for development and shall clearly show which units shall have HEPA filters. The location of the relocated units shall be subject to the review and approval of the Director of Community Development, prior to the issuance of a building permit. The HEPA filter units shall be maintained in a good condition at all times. Replacement HEPA filters shall be installed regularly, as recommended by the HEPA filter manufacturer. Required air filtration systems shall be subject to the review and approval of the Director of Community Development prior to the issuance of a building permit. Page 2 of 4