Minnesota Environmental
Practice Questions & Answers (2026)
Environmental questions on the Minnesota exam cover both federal environmental laws and Minnesota-specific disclosure requirements. Federal topics include lead-based paint (pre-1978 housing), asbestos, radon, underground storage tanks, and CERCLA liability. Minnesota has additional state-level environmental disclosure requirements enforced by the Minnesota Department of Commerce — including Minnesota-specific environmental conditions that affect property use and disclosure. Environmental questions trip up candidates who studied only federal law without reviewing the MN-specific overlay.
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Minnesota Environmental — Practice Questions & Answers
103 questions on Environmental from the Minnesota real estate question bank. First 10 are free — sign up to unlock all 103.
Q1. Lead-based paint disclosure in Minnesota is required for:
Explanation
Federal law (and Minnesota practice) requires sellers and landlords of residential properties built before 1978 to disclose known lead-based paint hazards and provide a lead hazard information pamphlet.
Q2. Radon is a naturally occurring gas in Minnesota that enters homes primarily through:
Explanation
Radon is a radioactive gas produced by the decay of uranium in soil and rock. It enters homes through cracks and openings in foundations. Minnesota has elevated radon levels in many areas.
Q3. CERCLA (the Superfund law) holds liability for hazardous waste cleanup to include:
Explanation
CERCLA imposes broad liability including current owners, past owners during disposal, generators who arranged for disposal, and transporters of hazardous substances — creating strict, joint, and several liability.
Q4. An underground storage tank (UST) on a Minnesota property poses a concern primarily because of:
Explanation
Leaking USTs can contaminate soil and groundwater with petroleum products or other chemicals, creating significant environmental liability and remediation costs for property owners.
Q5. Asbestos in Minnesota homes built before 1980 is most dangerous when it is:
Explanation
Asbestos poses the greatest health risk when it is friable — easily crumbled — releasing microscopic fibers into the air that can be inhaled and cause mesothelioma, lung cancer, and asbestosis.
Q6. Mold disclosure is required in Minnesota real estate transactions because mold can cause:
Explanation
Mold can cause serious respiratory problems and other health issues, and can structurally damage building materials. Minnesota's seller's disclosure requirements include known mold conditions.
Q7. The presence of wetlands on a Minnesota property is significant because wetlands:
Explanation
Minnesota and federal (Clean Water Act Section 404) law strictly regulate activities in wetlands. Filling or draining wetlands generally requires permits and mitigation, significantly limiting development rights.
Q8. A Phase I environmental site assessment (ESA) in Minnesota involves:
Explanation
A Phase I ESA is a non-intrusive assessment involving review of historical records, regulatory databases, physical site inspection, and interviews to identify RECs — conditions that could indicate contamination.
Q9. The Minnesota Pollution Control Agency (MPCA) is responsible for:
Explanation
The Minnesota Pollution Control Agency (MPCA) is the state environmental regulatory agency responsible for regulating air, water, and land pollution, overseeing cleanup of contaminated properties (brownfields), and administering underground storage tank programs in Minnesota.
Q10. Which federal law requires disclosure of known lead-based paint hazards in homes built before 1978?
Explanation
Title X of the Housing and Community Development Act requires sellers and landlords of pre-1978 homes to disclose known lead-based paint hazards and provide a lead hazard pamphlet to buyers/renters. Buyers must also be given a 10-day period to conduct a lead inspection.
Q11. Radon is a concern in Minnesota because:
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