Ohio Environmental
Practice Questions & Answers (2026)
Environmental questions on the Ohio exam cover both federal environmental laws and Ohio-specific disclosure requirements. Federal topics include lead-based paint (pre-1978 housing), asbestos, radon, underground storage tanks, and CERCLA liability. Ohio has additional state-level environmental disclosure requirements enforced by the Ohio Division of Real Estate & Professional Licensing — including Ohio-specific environmental conditions that affect property use and disclosure. Environmental questions trip up candidates who studied only federal law without reviewing the OH-specific overlay.
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Ohio Environmental — Practice Questions & Answers
90 questions on Environmental from the Ohio real estate question bank. First 10 are free — sign up to unlock all 90.
Q1. Ohio EPA is primarily responsible for:
Explanation
The Ohio Environmental Protection Agency (Ohio EPA) regulates air quality, water quality, waste management, and oversees cleanup of contaminated properties under state environmental laws.
Q2. A Phase I Environmental Site Assessment (ESA) is conducted to:
Explanation
A Phase I ESA involves reviewing records, conducting interviews, and visually inspecting the property to identify recognized environmental conditions (RECs) — without actual sampling.
Q3. Under federal law, sellers of homes built before 1978 must:
Explanation
The Residential Lead-Based Paint Hazard Reduction Act (Title X) requires sellers of pre-1978 homes to disclose known lead-based paint hazards, provide any available records, and give buyers the EPA's lead hazard pamphlet.
Q4. Which environmental hazard is a naturally occurring radioactive gas that is the leading cause of lung cancer among non-smokers in Ohio?
Explanation
Radon is a naturally occurring radioactive gas that can accumulate in homes. Ohio has areas with elevated radon levels, and it is the leading environmental cause of lung cancer in non-smokers.
Q5. Asbestos is most dangerous when it is:
Explanation
Asbestos poses the greatest health risk when it is friable — meaning it can be crumbled by hand pressure — because the fibers become airborne and can be inhaled.
Q6. CERCLA (Superfund) holds which parties potentially liable for cleanup of contaminated sites?
Explanation
CERCLA imposes strict, joint, and several liability on current owners, past owners at the time of disposal, transporters, and those who arranged for disposal of hazardous substances.
Q7. Underground storage tanks (USTs) are regulated primarily because they pose the risk of:
Explanation
Leaking USTs are a major source of soil and groundwater contamination, particularly from gasoline and other petroleum products. Ohio EPA oversees UST registration and cleanup programs.
Q8. An Ohio property is found to contain polychlorinated biphenyls (PCBs). This is most likely associated with:
Explanation
PCBs were used in electrical transformers, capacitors, and other equipment until they were banned in 1979. Properties with old electrical equipment may have PCB contamination.
Q9. Mold in a residential property is most commonly caused by:
Explanation
Mold growth requires moisture. It commonly results from water intrusion, plumbing leaks, flooding, condensation, or poor ventilation. Mold is a material fact that must be disclosed in Ohio.
Q10. Which federal law requires disclosure of known lead-based paint hazards in housing built before 1978?
Explanation
Title X of the Housing and Community Development Act of 1992 (the Residential Lead-Based Paint Hazard Reduction Act) requires sellers and landlords of pre-1978 housing to disclose known lead-based paint hazards.
Q11. In Ohio, properties located in a FEMA-designated Special Flood Hazard Area (SFHA) are required to:
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