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<br />'!'.~ <br /> <br />r~ , <br />, ,i <br /> <br />Remedial Investigation Report Form <br />Page 18 <br />January 1997 <br /> <br />Section 11: Discussion <br /> <br />'; I <br />, <br /> <br />11.1 Discuss the risks associated with the remaining soil contamination? <br /> <br />:: i <br /> <br />The extent and magnitude of residual soil contamination is limited. Based on the <br />concentrations of petroleum-related constituents (below applicable SRVs), it appears <br />unlikely that significant leaching of contaminants to the groundwater will occur. <br /> <br />':--i <br /> <br />-J <br /> <br />11.2 Discuss the risks associated with the impacted ground water? <br /> <br />"1 <br /> <br />The extent and magnitude of groundwater contamination is very limited. Based on tlte <br />fine-grained nature of the non-resource aquifer, migration of impacted groundwater <br />off site appears unlikely. No parameters were detected above applicable HRLs. <br /> <br />II.3 <br /> <br />Discuss other concerns not mentioned above: <br /> <br />Section 12: Conclusions and Recommendations <br /> <br />k <br /> <br />Recommendation for site: <br /> <br />x <br /> <br />site closure <br />additional vapor monitoring <br />additional ground water monitoring <br />active cleanup <br /> <br />f <br /> <br />The recommendation above should be based on Fact Sheet #3.1, "Leaking Underground Storage <br />Tank Investigation and Cleanup Policy." Describe below how you applied the policy to support <br />your recommendation. <br /> <br />1 <br /> <br />If additional monitoring is recommended, indicate the proposed monitoring schedule and <br />frequency: <br /> <br />,} <br /> <br />If active cleanup is proposed, then MPCA staff will review this R1 report at a higher than normal <br />priority to determine if active cleanup is required. We will respond with either a request for <br />proposal for additional monitoring or a Corrective Action Design report. Please indicate below <br />what cleanup technology you are considering at this time. <br /> <br />J <br />.J <br /> <br />11 <br /> <br />II <br />il <br /> <br />-, <br />