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<br />oils, batteries, and solvents. Some oil stains were observed in portions of the <br />building. Approximately 20 years ago, used oil was reportedly used for dust <br />control in unpaved areas on the subject property. <br /> <br />. <br /> <br />. Various materials, including road salt, mulch, street sweepings, concrete fonms, <br />and debris such as appliances, tires, and chemical containers, have been stored <br />outside the building in unpaved areas. Petroleum and chemicals from these <br />materials may have leached into the soil at the subject property. <br /> <br />. Demolition debris has been placed on the subject property as fill which may <br />extend to a depth of over eight feet in depth in some portions. Some of the <br />material may have been contaminated with asbestos-containing materials, <br />petroleum or chemicals. The exact locations of fill material placement on the <br />subject property are not known. <br /> <br />. <br /> <br />The subject property was identified on the leaking underground storage tank <br />database for removal of a leaking gasoline underground s ge tank. According <br />to the state regulatory files, the Minnesota Pollution", Agency (MPCA) has <br />issued a closure letter and all contaminated sojl!W~(l; ed. The tank and <br />dispenser were located approximately 5 eet ~~f:itb. of southeast corner of the <br />building on the subject property.\l:~~Yjj~ <br /> <br /> <br />',h<; <br />';;1; <br />t~subjec roperty. One is inside <br />}/.." <br />q~p.s in the middle portion of the <br />ff from vehicles and other releases <br />and sand, collected in the traps was <br />~ty taff and thin spread on unpaved portions of the <br />ts rimy also have been released to the soil through the <br />ofthe traps. <br /> <br />. <br /> <br />. <br /> <br />Two underground wa . <br />the north portion 0 <br />building. The trap <br />to the floor in the <br />periodically pump <br />subject property. <br />bottom and sidewal <br /> <br />In addition, the following items of potential environmental concern were identified: <br /> <br />. Old wells, septic systems, and cisterns may be present on the subject property. <br />One septic system/cistern was encountered in the I 990s during activities on the <br />subject property. It was filled in by City of Arden Hills employees. <br /> <br />. Suspect asbestos-containing materials were observed in the building. DPRA has <br />completed a separatc asbestos survey for the building. Other ACM may be <br />present in debris buried on the subject property or in former building structures. <br /> <br />. <br /> <br />Former Public Works Facility <br />t440 West Highway 96 <br />Arden Hills, Minnesota <br /> <br />11 <br /> <br />Phase I ESA <br />DPRA Project No. 50062.001.00 1 <br />December 10, 2004 <br />