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defined in the Design Guidelines. T#is These changes shall be shown on the tentative subdivision map to the satisfaction of the Planning Director. Air Quality ~9. To address the potential impacts on sensitive receptors to pollutant concentrations resulting from grading, a dust control plan or procedure shall be submitted by the project developer with the subdivision's improvement plans before recordation of the final subdivision map of and by the lot owner/contractor with the grading plans for the individual home sites. The dust control plan shall include the applicable conditions of this approval, the appropriate dust control measures of the Bay Area Air Quality Management District (BAAQMD), and shall be subject to the review and approval by the Planning Director and the City Engineer. These conditions and measures shall be reflected in the construction contracts issued for the grading and site preparation. A modified form of this statement shall appear in the design guidelines. (Mitigation Measure C-1 of the FEIR.) Biological Mitigation Measures X10. The project developer shall retain qualified biologists to prepare and submit the following biological reports/analyses and/or plans before the first final subdivision map application for review and approval by the Planning Director and by the United States Fish and Wildlife Service (USFWS), prior to the City Council's action on the first final subdivision map: a. To address the potential significant impact on California tiger salamander populations due to the disturbance or removal of their upland or dispersal habitat area, a California Tiger Salamander (CTS) Mitigation and Monitoring Plan shall be prepared in consultation with the USFWS. (Mitigation Measure D-1 of the FEIR.) b. To address the possible significant impact on California red-legged frog species due to disturbance or removal of upland or dispersal habitat, a California Red-Legged Frog (CLRF) Mitigation and Monitoring Plan shall be prepared in consultation with the USFWS. (Mitigation Measure D-2 of the FEIR.) c. Based on the surveys conducted on the site to date, it has been determined that the project site contains Viola pedunculata, the larval host plant for the callippe silverspot butterfly (Speyeria callippe callippe) and other subspecies of the species Speyeria callippe, and that butterflies which need this plant for part of their life cycles may occur on various portions of the project site. Based on these initial observations, it may be that Speyeria callippe callippe occurs on the site, but due to the similarities between Speyeria callippe callippe and other subspecies or hybrids, a positive identification has not City Council October 2. 2007 Page 3 of 41