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1 � � <br /> 1 � <br /> 1 however that the metals analysis represent total metals (i.e. unfiltered) <br /> not dissolved metals (i.e. filtered). hlstallation of a permanent <br /> 1 monitoring well with sand pack would yield water samples more <br /> representative of dissolved metals. <br /> 1 The chlorinated herbicide MCPP is detected at elevated levels in <br /> reconnaissance groundwater samples collected from temporary wells <br /> SB-5 and SB-6,located adjacent to the former tank farm. <br /> 1 ] TPH and VOCs have not impacted the groundwater beneath the site. <br /> Elevated levels of chloride,nitrate, sulfate, and ammonia as nitrogen, <br /> i� are observed in reconnaissance groundwater samples collected from <br /> SB-4 through SB-7. A PMCL is established for nitrate and a SMCL for <br /> 1 j chloride and sulfate. The recormaissance groundwater sample from <br /> each temporary well exceeds the respective PMCL for nitrate and the <br /> SMCL for sulfate. Chloride concentrations in SB-5 and SB-6 also <br /> 1 l exceed the SMCL. Ammonia as nitrogen does not have an established <br /> J PMCL or SMCL. <br /> it <br /> 1 ) <br /> i� <br /> i <br /> IJ <br /> 1 ! <br /> 1 <br /> 1 <br /> 1 Clcn 14 LESCO/0024301-3/3/2005 <br /> it <br />