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The results of the ambient noise measurement survey are summarized in Table 7. Tabular and <br /> graphical representations of the results are provided in Appendices C & D, respectively. <br /> Appendix D shows the average measured Leq values grouped into weekend and weekday <br /> periods, with additional information pertaining to the noise generation of varying numbers of <br /> heavy trucks overlaid on those graphs. The significance of the heavy truck graphs shown in <br /> Appendix D is provided later in this report. <br /> The Table 7 data indicate that measured existing noise levels at the locations closest to East <br /> River Road are currently elevated, with computed Ldn values ranging from the mid 70's at the <br /> closest measurement site (Site 1) to the low 60's at the furthest measurement location (Site 2). <br /> It should be noted that there was no nighttime paving activities occurring at the Munn & Perkins <br /> facility during the traffic noise surveys. Had there been such activity, it is logical to conclude <br /> that ambient conditions would have been higher, and that future nighttime operations occurring <br /> as needed would be similar. <br /> Environmental!Noise Analysis <br /> Munn &Perkins Expanded Hours of Operations-San Joaquin County <br /> Page 16 <br />