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4040 Eagan Outlets Pkwy - Ltr 2021-05-24 re MPCA Approval of Construction Contingency Plan May 24, 2021 VIA EMAIL Patrick Elgin Little North Fork VIII Eagan LLC D/B/A Sola Salon Studios P.O. Box 270876 St. Paul, MN 55127-0876 RE: Approval of Response Action Plan Construction Contingency Plan Sola Eagan, 4040 Eagan Outlets Parkway, Eagan MPCA Site ID: BF0001755 Billing ID: 246207 PIN: 10-16724-01-020 Dear Patrick Elgin: The Minnesota Pollution Control Agency (MPCA) Brownfield staff in the Petroleum Brownfield (PB) and Voluntary Investigation and Cleanup (VIC) Programs have reviewed the Response Action Plan (RAP) and Contingency Construction Plan (CCP) submitted for the Sola Eagan site, located at the address referenced above (the Site). The RAP and CCP dated April 6, 2021, was prepared and submitted on your behalf by Braun Intertec. The Site consists of an approximate 1.34-acre parcel in the city of Eagan. A gas station-auto repair facility and restaurant were formerly located on the northern and southern portions of the Site respectively. The proposed development includes the construction of a 9,300 square foot slab-on-grade building with 50 studios and 74 exterior parking spaces. Development response actions will be implemented to allow redevelopment of the Site for commercial use. Petroleum contaminated soils will be excavated and disposed of at an approved landfill. The RAP and CCP is approved, subject to the following conditions: 1. Based on data collected to-date, including two rounds of seasonal soil vapor sampling, cleanup of non-petroleum compounds is not required. The VIC Program is approving the RAP and CCP as a Construction Contingency Plan. 2. Petroleum-contaminated soils encountered at the site, at or greater than 200 parts per million (PPM) as measured by a photoionization detector (PID), should be excavated and properly managed at an MPCA approved off-site treatment/disposal facility. 3. Petroleum-contaminated soils less than 200 PPM (PID) may be thin spread on-site under paved surfaces. 4. A minimum four- vegetative cover. ƷΏƩĻƒΏǝźĭЋΏЊЎ Ι \[. ЊЎЌА Ι ЌΉЊЎΉЊВ Patrick Elgin Page 2 May 24, 2021 5. Petroleum-contaminated soils at or greater than ten PPM (PID) encountered during the installation of underground utilities should be removed and properly managed as part of the RAP and CCP. If contamination remains at or above ten PPM a vapor barrier is required. 6. Imported soil and excess fill targeted for off-site reuse shall be from a native source and/or unregulated fill. Soils that do not meet unregulated fill criteria may not be used at the discretion of the contractor or other project personnel. 7. Any contaminated soils removed from the site must be treated or disposed of in a method approved by the MPCA. Contaminated soils transported to an approved landfill must be in compliance with all state and local permits. The applicant must notify MPCA staff when contaminated soils are initially transported and where soils will be disposed of prior to disposal. Please include all transportation and handling manifests for such soils within the final implementation report. 8. This RAP/CCP approval is contingent on the applicant obtaining all other required state, federal, and local government permits. 9. MPCA Brownfield Program staff does not provide review or approval of the discharge and/or treatment of groundwater, stormwater, or any other dewatering action. An implementation report describing the completed response action activities, sampling results, soil management and disposal, and imported soils shall be prepared and submitted to the MPCA. If the implementation report will not be submitted within one year of the date of this letter, please notify the MPCA project staff of the status of the development. Approval of this plan does not suggest that any of the costs incurred will be eligible for reimbursement from the Petro Board. Approval of this plan does not constitute approval that costs incurred may be eligible for reimbursement from the Drycleaner Fund. This letter is subject to the disclaimers found in Attachment A. If you have any questions about this letter, please contact Mark Koplitz, Project Manager, at 651-757-2502 or by email at mark.koplitz@state.mn.us or Hydrogeologist Jennifer Haas, at 651-757-2401 by email at jennifer.haas@state.mn.us. Sincerely, Mark E. Koplitz Jennifer A. Haas ŷźƭ ķƚĭǒƒĻƓƷ ŷğƭ ĬĻĻƓ ĻƌĻĭƷƩƚƓźĭğƌƌǤ ƭźŭƓĻķ͵ ŷźƭ ķƚĭǒƒĻƓƷ ŷğƭ ĬĻĻƓ ĻƌĻĭƷƩƚƓźĭğƌƌǤ ƭźŭƓĻķ͵ Mark E. Koplitz Jennifer A. Haas Project Manager Hydrologist Remediation Division Remediation Division MEK/JAH:ah:mh Enclosure cc: Christina Scipioni, City Clerk (electronic) Georg Fischer, Dakota County Environmental Services Department Director (electronic) Jeremy Hansen, Braun Intertec (electronic) Attachment A Disclaimers Sola Eagan MPCA Site ID: BF0001755 PIN: 10-16724-01-020 1. Reservation of authorities The Minnesota Pollution Control Agency (MPCA) Commissioner reserves the authority to take any appropriate actions with respect to any release, threatened release, or other conditions at the Site. The MPCA Commissioner also reserves the authority to take such actions if the voluntary party does not proceed in the manner described in this letter or if actions taken or omitted by the voluntary party with respect to the Site contribute to any release or threatened release, or create an imminent and substantial danger to public health and welfare. 2. No MPCA assumption of liability The MPCA, its Commissioner, and staff do not assume any liability for any release, threatened release or other conditions at the Site or for any actions taken or omitted by the voluntary party with regard to the release, threatened release, or other conditions at the Site, whether the actions taken or omitted are in accordance with this letter or otherwise. 3. Letter based on current information All statements, conclusions, and representations in this letter are based upon information known to the MPCA Commissioner and staff at the time this letter was issued. The MPCA Commissioner and staff reserve the authority to modify or rescind any such statement, conclusion or representation and to take any appropriate action under his authority if the MPCA Commissioner or staff acquires information after issuance of this letter that provides a basis for such modification or action. 4. Disclaimer regarding use or development of the property The MPCA, its Commissioner, and staff do not warrant that the Site is suitable or appropriate for any particular use. 5. Disclaimer regarding investigative or response action at the property Nothing in this letter is intended to authorize any response action under Minn. Stat. § 115B.17, subd. 12. This approval does not supplant any applicable state or local stormwater permits, ordinances, or other regulatory documents. Page 1 of 1