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Mr. Kevin McKibben <br /> Advanced Geol;nvironmental (North) <br />' GLDM <br /> June 21 , 199$ <br /> Page 2 <br />' COMMENT <br /> Modest increases in detectable levels of oxidized nitrogen (nitrate) were noted for this <br /> sampling event, concurrent with a somewhat elevated level of heterotrophic(general) microbial <br /> concentration; however, contaminant-specific microorganisms were reduced in numbers, <br />' suggesting a diminished presence of contaminant as a portion of the overall carbon load within <br /> the system (alternative carbon sources are dominating). Nonetheless, target-specific microbial <br /> growth, while remaining weak, is still demonstrable. <br /> As noted in previous reports, improved microbial population dynamics and biodegradative <br /> activity would likely be improved with supplemental nutrient addition. <br /> Should you have any questions concerning this information, please do not hesitate to contact <br /> me. <br /> IAKK:ch <br />