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i <br /> i <br /> i <br /> The results of water quality analyses completed for surface-water monitoring stations are <br /> generally consistent with previous results. No VOCs were detected in the samples collected <br /> from the surface-water stations during the monitoring period. A comparison of upgradient <br /> (SW-1 and SW-2)to downgradient(SW-3)surface-water samples indicates generally similar <br /> inorganic constituent concentrations in the upgradient and downgradient surface water station, <br /> suggesting that the landfill is not impacting surface water quality. During the current monitoring <br /> period,no CLs were exceeded, and with the exception of carbonate at surface-water station <br /> SW-1 and turbidity in all three surface-water samples,no statistically significant increasing <br /> trends were noted. As noted above,surface-water stations SW-1 and SW-2 are background <br /> surface-water monitoring points and increasing water quality trends at these points are not <br /> indicative of an impact from the facility. Furthermore,given that turbidity exhibits a statistically <br /> significant increasing trend at background surface-water points SW-1 and SW-2,the increasing <br /> trend in turbidity at SW-3 is unlikely to be indicative of an impact from the landfill. <br /> t <br /> 1 <br /> Field screening results from soil-pore gas monitoring probes indicate that no methane was I <br /> measured in soil-pore gas monitoring probes during the monitoring period,or over the past year. <br /> 1 <br /> If you have any questions regarding this report,please call me at(858)451-1136. <br /> SiVnchkeld, <br /> D R.E.A. i <br /> Environmental Manager <br /> Attachment <br /> i <br /> c�v.�voaiau�mter xsaiaaa <br /> -2- <br />