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<br /> <br /> <br />Phase I Environmental Site Assessment <br />Old Snelling Avenue & County Road E Improvements <br />WSB Project No. 015447-000 Page 18 <br />remain in place subject to the implementation of required controls (e.g., Project Corridor use <br />restrictions, AULs, institutional controls, or engineering controls). A CREC shall be listed in the <br />Findings Section of the Phase I ESA report, and as a REC in the Conclusions Section of the <br />report.” <br /> <br />Based on this assessment, no CRECs were identified in connection with the Project Corridor. <br /> <br />8.4 Vapor Intrusion <br /> <br />No vapor intrusion risks were identified on the Project Corridor. No vapor samples were collected <br />as part of this assessment. <br /> <br />8.5 Business Risks/De Minimis Conditions <br /> <br />The RECs identified in Section 8.1 present potential environmental risks associated with the <br />Project Corridor. If contaminated is encountered during future Project Corridor improvements, <br />impacted soil and groundwater will need to be properly managed in accordance with state and <br />federal regulations. <br /> <br />No business risks or de minimis conditions were identified during this assessment. A de minimis <br />condition is a condition that does not threaten human health or the environment and generally <br />would not be subject to enforcement action if brought to the attention of a regulatory agency. <br />Conditions determined to be de minimis are not RECs. <br /> <br />8.6 Items of Environmental Note <br /> <br />Additionally, the following items of environmental note were identified: <br /> <br />Spill Listings <br /> <br />Multiple Spills and Historical Spills incidents were listed at the Project Corridor and/or at sites <br />located adjacent to the Project Corridor. The reported spills were surficial in nature and did not <br />impact soil or groundwater. All reported Spills / Historical Spills listings have been issued closure <br />by the MPCA. It is possible that documented and/or undocumented spills may be encountered <br />during roadway improvements. <br /> <br />Fuel Oil Tanks <br /> <br />The adjacent residential sites along the Project Corridor may contain fuel oil USTs used for <br />heating purposes. Typical fuel oil USTs are less than 1,000-gallons in size and not registered <br />with the MPCA. It is possible that undocumented fuel oil leaks may be encountered during <br />roadway improvements. <br /> <br /> <br />