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MN Pollution Control Agency - 4601 Shoreline Drive - 8/11/2026 t-rem-vic2-16 · LB 1533 · 5/16/22 August 12, 2026 Michael Piehler Parkshore Apartments MN, LLC 821 Raymond Ave Ste 400 Saint Paul, MN 55114-1525 RE: Retroactive No Association Determination for Past Actions No Association Determination for Proposed Actions Parkshore Apartments, 4601 Shoreline Drive, Spring Park MPCA Site ID: BF0003255 MPCA Billing ID: 266287 PINs: 18-117-23-33-0061, 18-117-23-33-0062, and 18-117-23-34-0247 Dear Michael Piehler: This letter is in response to the request from Danny Margarit of Carlson McCain, LLC for a determination under Minn. Stat. § 115B.178, subd. 1(b), that certain past actions taken by Parkshore Apartments MN, LLC at the Parkshore Apartments site, located at the address referenced above (the Site), did not constitute conduct that would associate Parkshore Apartments MN, LLC with the release or threatened release of hazardous substances, pollutants, or contaminants at the Site for the purpose of Minn. Stat. § 115B.03, subd. 3(a)(4). The Minnesota Pollution Control Agency (MPCA) staff in the Voluntary Investigation and Cleanup (VIC) Program has reviewed the documents submitted for the Site. The Site includes three parcels developed with three apartment buildings, two garage structures, a pool, and a pool equipment building. The Site was historically developed with a single-family residence until redevelopment with the existing apartment buildings in 1969 and 1984. Parkshore Apartments MN, LLC purchased the Site on December 19, 2025, and intends to continue leasing the existing apartment buildings to residential tenants. A limited environmental investigation was completed at the Site in January 2026. Two soil samples were collected and analyzed for volatile organic compounds (VOCs). No VOCs were detected in soil samples except for acetone, which is a common laboratory contaminant. One groundwater sample was collected at the Site from a temporary monitoring well and analyzed for VOCs. Acetone and 2‐Butanone (MEK), another common laboratory contaminant, were detected in the groundwater sample. The MPCA does not consider the detections of acetone or MEK in soil or groundwater to reflect a confirmed release. There were no other detections above laboratory reporting limits for other VOCs. Michael Piehler Page 2 August 12, 2026 Twelve sub-slab soil vapor samples were collected at the Site (six in the northern apartment building and six in the southern apartment building) in December 2025 (heating season) and April 2026 (non- heating season). Tetrachloroethene (PCE) was detected in sub-slab soil vapor at concentrations less than the MPCA action level of 33X the residential ISV. Trichloroethene (TCE) was detected in sub- slab soil vapor at concentrations less than the residential ISV. Four exterior soil vapor samples were collected at the Site in January 2026 (heating season) and April 2026 (non-heating season). Only 1,3-butadiene was detected in soil vapor at a concentration greater than the MPCA action level of thirty-three times (33X) its residential intrusion screening value (ISV). 1,3-butadiene is commonly found in soil vapor in urban environments due to its association with petroleum products, vehicle exhaust, and asphalt. It is unlikely that the 1,3-butadiene stems from a release of hazardous substances at the Site. Neither PCE nor TCE were detected in the exterior soil vapor samples. For the purpose of this letter, the identified release consists of PCE and TCE in soil vapor (Identified Release). This letter does not address petroleum-related contaminants. Petroleum contamination detected at the Site is under the oversight of the MPCA’s Petroleum Brownfield Program. Based upon a review of the information provided to the MPCA VIC Program, and subject to the conditions set forth in this letter, a determination is hereby made pursuant to Minn. Stat. § 115B.178, subd. 1(b) that the past actions (Past Actions) as described below and as described in the Affidavit of Michael Piehler dated May 18, 2026 (Affidavit) will not associate Parkshore Apartments MN, LLC with the Identified Release for the purpose of Minn. Stat. § 115B.03, subd. 3(a)(4). This determination is being sought for Parkshore Apartments MN, LLC and the determination is retroactive to the date that Parkshore Apartments MN, LLC purchased the Site. This determination applies to the following Past Actions: • Purchase of the Site • Leasing the Site to residential tenants • Operation and maintenance of the Site building, grounds, and related infrastructure This letter also addresses Parkshore Apartments MN, LLC’s request for a determination under Minn. Stat. § 115B.178, subd. 1(a) that certain actions proposed to be taken by Parkshore Apartments MN, LLC at the Site will not constitute conduct associating Parkshore Apartments MN, LLC with the release or threatened release of hazardous substances, contaminants, or pollutants at the Site for the purposes of Minn. Stat. § 115B.03, subd. 3(a)(4). Based upon a review of the information provided to the MPCA VIC Program, and subject to the conditions set forth in this letter, a determination is hereby made pursuant to Minn. Stat. § 115B.178, subd. 1(a) that the proposed actions (Proposed Actions) as described below will not associate Parkshore Apartments MN, LLC with the Identified Release for the purpose of Minn. Stat. § 115B.03, subd. 3(a)(4). This determination applies to the following Proposed Actions: • Leasing the Site to residential tenants • Operation and maintenance of the Site building, grounds, and related infrastructure. Michael Piehler Page 3 August 12, 2026 The Retroactive No Association Determination and No Association Determination made in this letter are subject to the following conditions: 1. The representations made in the Affidavit are accurate and the Past Actions were carried out as described herein and in the Affidavit. 2. The Proposed Actions shall be carried out as described herein. 3. Parkshore Apartments MN, LLC shall cooperate with the MPCA, its employees, contractors, and others acting at the MPCA’s direction, in the event that the MPCA takes, or directs others to take, response actions at the Site to address the Identified Release or any other as yet unidentified release or threatened release of a hazardous substance, pollutant, or contaminant, including, but not limited to, granting access to the Site so that response actions can be taken. 4. Parkshore Apartments MN, LLC shall avoid actions that contribute to the Identified Release or that interfere with response actions required under any MPCA-approved response action plan to address the Identified Release. Pursuant to Minn. Stat. § 115B.178, subd.1, when Parkshore Apartments MN, LLC takes the Proposed Actions in accordance with the determination in this letter, subject to the conditions stated herein, the Proposed Actions will not associate Parkshore Apartments MN, LLC with the Identified Release for the purpose of Minn. Stat. § 115B.03, subd. 3(a)(4). Please be advised that the determination made in this letter is subject to the disclaimers found in Attachment A and is contingent on compliance with the terms and conditions set forth herein. If you have any questions about the contents of this letter, please contact Victoria Jolly, Project Manager, at 651-757-2098 or by email at victoria.jolly@state.mn.us. Sincerely, Amy K. Hadiaris This document has been electronically signed. Amy K. Hadiaris, P.G. Supervisor Voluntary Investigation and Cleanup Unit Remediation Division AKH/VJ:mh Enclosure/Attachment cc: Jamie Hoffman, Spring Lake City Clerk (electronic) (w/attachment) Mary Finch, Hennepin County (electronic) (w/attachment) John Lichter, Carlson McCain, LLC (electronic) (w/attachment) Attachment A Page 1 of 1 Disclaimers Parkshore Apartments MPCA Site ID: BF0003255 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 the Commissioner’s 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. 6. This approval does not supplant any applicable state or local stormwater permits, ordinances, or other regulatory documents.