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RE /SPEC Inc. <br />April 10, 1998 <br />Mr. Joel Hanson <br />City of Little Canada <br />515 Little Canada Road <br />Little Canada, MN 55117 <br />Subject: Phase I ESA Report Transmittal <br />2822 & 2826 Rice Street <br />Little Canada, Minnesota <br />RESPEC #734 -1.0 <br />Dear Mr. Hanson• <br />Rapid Cite. South Dakota • Pierre. South Dakota <br />Albuquerque, New Mexico • Carlsbad. New Mexico <br />St. Paul /Minneapolis. Alinnesota <br />Enclosed are two copies of the report titled Phase I Environmental Site Assessment, 2822 & 2826 <br />Rice Street, Little Canada, Minnesota. The results of the assessment concluded that there were <br />no recognized environmental conditions associated with the 2826 Rice Street address, but the <br />2822 Rice Street address contained a former gas station from 1958 to 1990. The underground <br />storage tanks (USTs) were removed in 1990 and a release was detected. <br />The extent of the petroleum impacted soil was assessed in 1990 -1991 and a corrective action <br />design was prepared and approved by the MPCA in 1992. For an unknown reason, the <br />remediation system was not installed until 1995, when it was requested that the MPCA <br />reevaluate the need for site cleanup. Due to the current risk -based approach the MPCA is taking <br />concerning corrective actions at petroleum release sites, it was determined that the site did not <br />represent a risk to human health or the environment, so the site was closed. <br />Site closure does not mean that there is not any petroleum contamination remaining. Based upon <br />the assessment completed by others, there are approximately 15,000 cubic yards of petroleum <br />contaminated soil remaining at the site, covering a majority of the 2822 Rice Street site to a <br />depth of 25 feet. Using the national ASTM standard titled Risk Based Corrective Action Applied <br />At Petroleum Release Sites (ASTM ES -94), the site would require cleanup of the remaining soil <br />impacts. <br />RESPEC estimates that the impacted soil could be excavated and landfilled for approximately <br />$200,000. The cost for installing a soil venting system was estimated by others to be <br />approximately $160,000. Cleanup using this method would reportedly require an estimated three <br />1 <br />2575 University Avenue West, Suite 130, St. Paul. Minnesota 55114-1024 • (612) 649 -0400 • FAX (612) 649 -0600 <br />Page 118 <br />