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L <br /> LSECTION 1 <br /> Introduction <br /> LThis tree monitoring report was prepared by CH2M HILL on behalf of SFPP, L.P.,an <br /> operating partnership of Kinder Morgan Energy Partners, L.P. (SFPP) for submittal to the <br /> LCentral Valley Regional Water Quality Control Board (RWQCB). This report documents the <br /> results of the fourth year (Year 4) of tree monitoring performed following installation of the <br /> phytoremediation system at the SFPP Holt Release Site (Site). <br /> LThe phytoremediation system was installed in two phases,January/February 2005 and <br /> April/May 2006,in accordance with the following cleanup plan that was conditionally <br /> approved by the RWQCB in an October 5,2004 letter to SFPP: Cleanup Plan Using <br /> L Phytoremediation for the Source Area at the SFPP, L.P. Holt Release Site,Holt, California <br /> (CH2M HILL,2004) (Phytoremediation Cleanup Plan). <br /> LAs-built conditions of the two phytoremediation system installation phases are documented <br /> in the following two reports that were submitted to the RWQCB: (1) Phytoremediation <br /> L As-Built Report for the Source Area at the SFPP, L.P. Holt Release Site,Holt, California <br /> (CH2M HILL,2005) and (2) Phytoremediation As-Built Report, Construction Season 2,for the <br /> Source Area at the SFPP, L.P. Holt Release Site,Holt, California (CH2M HILL,2007). <br /> L Tree Monitoring results for Years 1 through 3 were reported in the Year 1, Year 2,and Year 3 <br /> Phytoremediation Tree Monitoring Reports for the Source Area at the SFPP, L.P. Holt Release Site, <br /> Holt, California (CH2M HILL 2008a,2008b,2010). <br /> LThis tree monitoring report provides the following: <br /> • Section 2-Overview of the phytoremediation system <br /> L • Section 3-Tree system monitoring methodology <br /> • Section 4-Year 4 tree system monitoring results <br /> • Section 5-Summary and recommendations from the Year 4 monitoring results <br /> LThe location of the Site is shown in Figure 1-1. The Site and vicinity are shown in the aerial <br /> photograph in Figure 1-2.The tree phytoremediation planting layout that was originally <br /> L proposed is shown in Figure 1-3. The actual planting layout representing the as-built <br /> condition is depicted in Figure 1-4. Irrigation details are presented in Figure 1-5. <br /> L <br /> L <br /> L <br /> L <br /> LL SAG166749/103500001(YEAR4.2010_HOLTTREE_MONITORING_REPORT-FINAL.DOCX) iq <br />