- Official section
- Illinois IV.E: Environmental and Other Disclosures
- Broker weight
- Part of the 25% Illinois Disclosures area
- Expected scored items
- The current PSI broker outline assigns 10 of 40 state questions to Disclosures
Illinois practice guide
Route the hazard before you choose the paperwork
A 1960 house can need lead disclosures without a positive test. A mine map is not a paid claim. A buried heating-oil tank can appear on the seller report despite a regulatory exclusion. Give each hazard its lane, then stack those that apply.
Last updated: August 1, 2026
What skill does this practice set measure?
Short answer: Use separate routes. Illinois radon law controls its pamphlets, forms, records, and transaction timing. Federal lead law covers pre-1978 target housing and gives buyers a 10-day opportunity unless changed or waived in writing. Mine-subsidence law focuses on paid claims disclosed to the transferee and lender. Known underground fuel tanks go on the seller report, with regulatory records handled separately. Illinois landlords give signed flood disclosures, including a 10-year lower-level history. The general report and broker duty remain layers.
The June 24, 2026 outline names radon, lead paint, mine subsidence, underground tanks, and landlord flooding. This page uses primary sources checked through August 1, 2026. It is exam preparation, not property-specific environmental, engineering, insurance, regulatory, contract, or legal advice.
Ready to work the set?
These questions are original study items aligned to the published outline. They are not copied, recalled, or predicted PSI questions.
1. A covered 1955 home has no lead reports and the seller knows of no lead paint. What best satisfies the federal transaction rule?
- Provide the EPA package, state the seller's knowledge and records accurately, and give the buyer's inspection opportunity
- Skip disclosure because no positive test exists
- Require full abatement before the property is shown
- Use only the Illinois residential seller report
Show answer and explanation
Answer: Provide the EPA package, state the seller's knowledge and records accurately, and give the buyer's inspection opportunity
Pre-1978 target housing triggers the federal information process. No known lead is a response within that process rather than an exemption.
2. The transferor received a mine-subsidence insurance payment for the property. What does Illinois law require when a written transfer agreement is made?
- Written disclosure of the paid claim to the transferee and lender as part of the agreement
- Oral notice to the buyer after closing
- A seller-paid mine survey in every case
- Disclosure only when the property has four units or fewer
Show answer and explanation
Answer: Written disclosure of the paid claim to the transferee and lender as part of the agreement
The Mine Subsidence Disclosure Act focuses on paid claims, names both recipients, and places the disclosure at the transfer agreement.
3. A garden-level rental flooded three times in the last 10 years but is outside a FEMA Special Flood Hazard Area. What is the best answer?
- Disclose the history and known frequency before signing and include the signed statement in the lease or renewal
- Make no disclosure because the map controls every flood question
- Wait until the tenant experiences a flood
- Use the federal buyer lead form instead
Show answer and explanation
Answer: Disclose the history and known frequency before signing and include the signed statement in the lease or renewal
Garden level is a lower-level unit, and the 10-year event-history duty is separate from mapped flood-zone status.
4. A seller knows an underground residential heating-oil tank remains on the property. Which exam answer is strongest?
- Disclose the known tank on the applicable seller report and investigate separate regulatory or release issues as needed
- Answer no because residential heating oil is outside every possible rule
- Guarantee clean soil because the tank is unused
- Wait for the buyer to discover the tank
Show answer and explanation
Answer: Disclose the known tank on the applicable seller report and investigate separate regulatory or release issues as needed
The physical-feature disclosure and regulatory UST classification are separate. A known tank should not be converted into a no answer by an unrelated exclusion.
5. A covered Illinois home sale includes known elevated radon records, and the seller already completed the general property report. What additional package is most clearly required?
- The approved radon pamphlet, Illinois radon form, and applicable records before the buyer is obligated
- Nothing because the general report replaces every other form
- Only an oral warning after closing
- Mandatory seller-paid mitigation in every transaction
Show answer and explanation
Answer: The approved radon pamphlet, Illinois radon form, and applicable records before the buyer is obligated
Illinois radon law has a separate sale lane that stacks with the general seller report when both apply.
Which answer habits should you watch for?
- Trap
- Illinois uses one environmental disclosure form for every hazard.
- Correction
- Each named hazard has its own federal or state route, and several routes may apply together.
- Trap
- Every Illinois seller must order a radon test before sale.
- Correction
- The sale provision requires information and known records but does not itself impose universal testing or mitigation.
- Trap
- Federal lead disclosure applies only after a positive test.
- Correction
- Covered pre-1978 target housing triggers the disclosure process even when the owner has no known lead information.
- Trap
- Every renter receives the buyer's 10-day lead inspection opportunity.
- Correction
- The ordinary mandatory 10-day opportunity belongs to the buyer side, not the lease disclosure package.
- Trap
- A mine map proves a paid mine-subsidence insurance claim.
- Correction
- Mine location and a claim paid to the transferor are distinct facts.
- Trap
- Mine-claim disclosure is delivered only to the buyer.
- Correction
- The Act names the transferee and lender as recipients.
- Trap
- A residential tank exclusion allows a no answer about a known buried tank.
- Correction
- The seller-report question concerns the known physical feature, not only regulatory classification.
- Trap
- Tank registration proves no release occurred.
- Correction
- Registration, release reporting, corrective action, and closure status are different records.
- Trap
- Floodplain status and past flooding are the same fact.
- Correction
- One is mapped risk and the other is event history. Illinois landlord law can require both.
- Trap
- A first-floor apartment is not a lower-level unit.
- Correction
- The Section 25 definition includes garden, basement, and first-floor units.
- Trap
- A separate flood email always completes the landlord duty.
- Correction
- The disclosure also appears in the written lease or renewal and is signed by landlord and tenant.
- Trap
- A broker can certify that a disclosed property is environmentally safe.
- Correction
- The broker facilitates truthful disclosure and refers scientific, regulatory, cleanup, and legal conclusions to qualified professionals.
How should you reason through a difficult item?
The 1962 home with no lead records
Scenario: A seller has never tested a 1962 single-family home and says there is nothing to disclose because no one has proved that lead-based paint exists.
- The construction date raises the federal target-housing disclosure process even without a positive test.
- The seller accurately states known information and supplies available records, if any.
- The package also includes the EPA pamphlet, warning and certifications, plus the buyer's inspection opportunity unless changed or waived in writing.
Answer: Complete the federal package before the buyer is obligated. No known lead information is a disclosure response, not an exemption.
The radon packet after the offer
Scenario: A buyer submits an offer on a covered Illinois home before receiving the radon pamphlet and disclosure. The seller has not accepted the offer yet.
- The Illinois sale process places the radon disclosure activity before the buyer becomes obligated.
- The seller can still deliver the materials before accepting the offer.
- The buyer then has an opportunity to review the information and address it within the transaction.
Answer: Deliver and review the radon materials before acceptance. Waiting until closing would miss the required sequence.
The mapped mine with no paid claim
Scenario: A property sits above mapped mine workings. The transferor has never received a mine-subsidence insurance payment for that property.
- The map can matter to general disclosure, insurance, physical investigation, and buyer decision-making.
- The Mine Subsidence Disclosure Act specifically focuses on claims paid to the transferor.
- A mapped mine does not prove that a claim was filed or paid.
Answer: Keep the mapped risk and the paid-claim disclosure event distinct while answering all other applicable questions truthfully.
The buried residential heating-oil tank
Scenario: A seller knows an unused buried tank once supplied the home furnace. The seller argues that a residential heating-oil regulatory exclusion means the residential disclosure form should say no.
- The statutory seller report asks whether the seller is aware of an underground fuel storage tank.
- The physical-feature question is separate from regulatory UST classification.
- A buyer may also need tank, release, closure, soil, and agency-record information from qualified sources.
Answer: Disclose the known tank on the applicable seller report and route regulatory or contamination questions separately.
The first-floor unit that flooded twice
Scenario: A landlord prepares a renewal for a first-floor apartment. The building is outside the FEMA Special Flood Hazard Area, but the unit flooded twice during heavy rain in the last 10 years.
- First floor falls within the lower-level-unit definition for this provision.
- Mapped flood-zone status and known flooding history are separate disclosures.
- The landlord provides the statement before signing, includes it in the renewal, and obtains both signatures.
Answer: Disclose the two events and their known frequency even though the mapped-zone answer is negative.
The house with four environmental lanes
Scenario: A 1972 Illinois house has a current elevated radon report, an old buried fuel tank, and a mine-subsidence insurance claim paid to the seller. The seller has also completed the general property report.
- The construction year raises the federal lead package, whether or not a lead test exists.
- Radon has its own Illinois disclosure materials and known records.
- The paid mine claim goes to the transferee and lender, while the tank requires the applicable seller-report answer and separate records inquiry.
Answer: Stack every applicable package. Completing the general seller report does not eliminate the special lead, radon, mine-claim, or tank analysis.
The ROUTE method for environmental questions
- Risk: Name radon, lead, mine subsidence, tank, flood, or another physical condition.
- Occasion: Identify the sale, lease, renewal, transfer agreement, request, or ownership change.
- Users and property: Apply the property definition and identify each responsible party and recipient.
- Things delivered: Assemble the pamphlet, form, warning, records, certifications, claim history, statement, or agency file.
- Exact time and extra layer: Place delivery correctly, then add the seller report, broker duty, contract, local law, and professional inquiry.
- Lane
- Illinois radon sale
- Core package
- Approved pamphlet, Illinois form, and known elevated-radon records
- Timing anchor
- Before buyer is obligated
- Lane
- Illinois radon tenancy
- Core package
- Tenant guide, tenant form, and hazard records
- Timing anchor
- At application, before lease, or on request during tenancy
- Lane
- Federal lead
- Core package
- EPA pamphlet, warning, known information, records, and certifications
- Timing anchor
- Before buyer or renter is obligated
- Lane
- Mine subsidence
- Core package
- Paid claims disclosed to transferee and lender
- Timing anchor
- At the transfer agreement
- Lane
- Underground tank
- Core package
- Seller-report answer plus applicable registration, release, and cleanup records
- Timing anchor
- Before sales contract for report; other deadlines vary
- Lane
- Landlord flooding
- Core package
- Flood-zone and event-history statement with lower-level 10-year history
- Timing anchor
- Before signing and in signed lease or renewal
- Lane
- Seller report
- Core package
- Actual-knowledge environmental answers and explanations
- Timing anchor
- Buyer receives before contract signing
Which outline areas does this set sample?
- Topic
- Naming the environmental lane
- What to know
- Radon, lead paint, mine subsidence, underground fuel tank, leaking UST, flooding, floodplain, test result, insurance claim, and material adverse fact
- Best exam move
- Start with the hazard noun because it usually identifies the governing source and prevents the one-form mistake.
- Topic
- Classifying the transaction
- What to know
- Sale, lease, renewal, application, transfer agreement, ownership change, target-housing lease, tenant request, buyer, renter, transferee, lender, and obligation
- Best exam move
- Do not move a buyer inspection opportunity into a lease or use a landlord flood rule to answer an ordinary sale question.
- Topic
- Classifying the property
- What to know
- One to four units, residential property, target housing, pre-1978, third story, mobile home, condominium, lower-level unit, garden, basement, first floor, regulated UST, and exemption
- Best exam move
- Apply the lane's property definition and exemptions before assembling forms.
- Topic
- Assigning the responsible party
- What to know
- Seller, lessor, landlord, transferor, owner, operator, buyer, tenant, transferee, lender, broker, OSFM, Illinois EPA, IEMA-OHS, consultant, and attorney
- Best exam move
- Give the statutory disclosure to the named party while keeping the broker within facilitation and license-law duties.
- Topic
- Assembling the documents
- What to know
- Pamphlet, form, warning, known information, records, test report, paid claim, seller-report answer, flood statement, signed lease, registration, release, cleanup, acknowledgment, and certification
- Best exam move
- Count every required component because a pamphlet, form, records packet, warning, and inspection opportunity do different work.
- Topic
- Placing the timing anchor
- What to know
- Before obligation, before offer acceptance, at application, before lease or renewal, at transfer agreement, before sales contract, effective receipt, 10 days, 30 days, closing, and retention
- Best exam move
- Put delivery and signature in transaction order. Environmental paperwork is often due before the closing table.
- Topic
- Applying Illinois radon sale rules
- What to know
- Residential property, one to four units, IEMA-OHS pamphlet, Illinois radon form, elevated result, known records, seller, buyer and agent acknowledgments, before obligation, offer, acceptance, testing, mitigation, and exclusions
- Best exam move
- For a covered sale, provide the approved information and known records before obligation rather than waiting for closing or requiring a seller-paid test in every case.
- Topic
- Applying Illinois radon tenant rules
- What to know
- Prospective or current tenant, application, lease, request, Radon Guide for Tenants, tenant form, hazard records, 90-day test period, 10-day result delivery, retest, 30 days, mitigation, 60-day election, and third-story exclusion
- Best exam move
- Use the tenant provisions for leases beginning in 2024 and do not answer from the older repealed tenant section.
- Topic
- Applying federal lead rules
- What to know
- Target housing, pre-1978, sale, lease, EPA pamphlet, known lead, available records, common areas, warning statement, seller or lessor certification, agent certification, acknowledgment, 10-day opportunity, waiver, changed period, and three-year retention
- Best exam move
- Construction year starts the analysis, and no known lead is an answer within the package rather than an automatic exemption.
- Topic
- Applying mine-subsidence rules
- What to know
- Real property, transferor, transferee, lender, paid insurance claim, underground mine, ground movement, damage, transfer agreement, written disclosure, waiver, actual damages, five years, and mine map
- Best exam move
- Focus the special Act on claims paid to the transferor while keeping mapping, insurance, and general seller-report questions separate.
- Topic
- Applying underground-tank rules
- What to know
- Underground fuel tank, seller awareness, item 21, heating oil, regulated substance, owner, operator, OSFM registration, ownership change, 30 days, release, LUST database, corrective action, NFR letter, closure, and consultant
- Best exam move
- Disclose the known physical feature first, then investigate whether registration, release, cleanup, or closure rules add another layer.
- Topic
- Applying landlord flood rules
- What to know
- Every landlord and tenant, before signing, FEMA Special Flood Hazard Area, actual knowledge, property, parking, frequency, lower-level unit, garden, basement, first floor, 10 years, lease, renewal, signatures, remedies, and exceptions
- Best exam move
- Analyze mapped flood status and event history separately, then add the 10-year lower-level history when the unit definition fits.
- Topic
- Stacking the seller-report layer
- What to know
- Flood insurance, leakage, floodplain, radon, asbestos, lead, mine subsidence, earth stability, underground tank, actual knowledge, yes, no, explanation, supplement, and material defect
- Best exam move
- Use the broad residential report when applicable without letting its answers replace a special radon, lead, mine, tank, or lease package.
- Topic
- Applying the broker conduct layer
- What to know
- Actually known, latent material adverse fact, physical condition, diligent inspection, timely disclosure, honesty, false information, client instruction, records, referral, expertise boundary, no diagnosis, no safety guarantee, sponsor, and withdrawal
- Best exam move
- Communicate known facts and required materials, but send scientific, cleanup, insurance, engineering, and legal judgments to qualified professionals.
What should you sort out before you begin?
- Terms
- Hazard notice vs. proof of contamination
- Difference
- A warning can be required because a property falls within a statutory category. It does not necessarily prove that an unsafe concentration or confirmed release exists.
- Question cue
- Information requirement versus scientific conclusion.
- Terms
- General seller report vs. special package
- Difference
- The Illinois report gathers actual-knowledge answers across many conditions. Radon and federal lead rules can add pamphlets, forms, records, warnings, and acknowledgments.
- Question cue
- Broad checklist versus hazard-specific compliance.
- Terms
- Radon disclosure vs. radon testing
- Difference
- Disclosure can apply without a new test. The seller provides required information and known records, while testing is addressed separately by law, contract, or buyer choice.
- Question cue
- Required information versus measurement.
- Terms
- Lead disclosure vs. lead abatement
- Difference
- The federal transaction rule requires information and documentation. It does not generally require every seller or lessor to remove lead-based paint before a covered transaction.
- Question cue
- Tell and document versus remediate.
- Terms
- Buyer lead opportunity vs. renter disclosure
- Difference
- A covered buyer ordinarily receives a 10-day inspection or risk-assessment opportunity unless changed or waived in writing. An ordinary renter does not receive that same mandatory buyer period.
- Question cue
- Sale investigation period versus lease information package.
- Terms
- Mine map vs. paid mine-subsidence claim
- Difference
- A mine map describes possible underground workings. The special disclosure statute asks about mine-subsidence insurance claims paid to the transferor for the property.
- Question cue
- Physical risk indicator versus statutory payment event.
- Terms
- Underground tank vs. leaking underground tank
- Difference
- A buried tank can exist without a confirmed release. A leaking UST file reflects a reported release and corrective-action history.
- Question cue
- Equipment presence versus contamination record.
- Terms
- Residential tank exclusion vs. seller-report answer
- Difference
- A residential heating-oil tank may be excluded from a regulatory UST definition while still being a known underground fuel tank on the residential seller report.
- Question cue
- Regulatory classification does not rewrite the form question.
- Terms
- Floodplain status vs. flooding history
- Difference
- FEMA Special Flood Hazard Area status is mapped risk. Actual prior flooding is event history. Illinois landlord law can require both categories.
- Question cue
- Map versus events.
- Terms
- Sale flood item vs. landlord flood statement
- Difference
- A covered seller answers the residential report before a sales contract. A landlord makes Section 25 disclosures before a lease or renewal and includes them in the signed agreement.
- Question cue
- Buyer form versus tenant notice.
How should you review your results?
- Session
- 1. Name the five hazard lanes
- Focus
- Radon, lead paint, mine subsidence, underground tanks, landlord flooding, source, and vocabulary
- Proof you are ready
- Write each named outline hazard beside its federal or Illinois source and core disclosure trigger without notes.
- Session
- 2. Sort the transaction and property
- Focus
- Sale, lease, renewal, transfer agreement, request, ownership change, one to four units, target housing, lower-level rental, and regulated facility
- Proof you are ready
- Classify twenty-five scenarios before selecting any form or deadline.
- Session
- 3. Assemble each package
- Focus
- Pamphlet, form, warning, known information, records, certification, acknowledgment, paid claim, seller-report item, flood statement, lease, and agency file
- Proof you are ready
- Build a complete document checklist for two examples in every hazard lane.
- Session
- 4. Memorize timing anchors
- Focus
- Before obligation, before acceptance, at application, before lease or renewal, at transfer agreement, before sales contract, 10 days, 30 days, and retention
- Proof you are ready
- Put thirty environmental events in correct transaction order and reject every closing-only shortcut.
- Session
- 5. Stack without substituting
- Focus
- Seller report, radon, lead, mine claim, tank records, landlord statement, broker duty, contract, local rule, and professional inquiry
- Proof you are ready
- List every applicable layer for six properties that each present at least three hazards.
- Session
- 6. Apply ROUTE
- Focus
- Risk, occasion, property, responsible party, recipient, documents, timing, broker boundary, and additional law
- Proof you are ready
- Score at least 90% on a fresh Illinois environmental set and explain which lane defeats every distractor.
Do not count recognition as mastery. Close the notes and explain the rule, apply it to a new fact pattern, and identify why each distractor fails.
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Questions students ask about Illinois Environmental Disclosure Practice Questions: 2026
Which environmental disclosures are tested on the Illinois broker exam?
The outline effective June 24, 2026 names radon, lead-based paint, mine subsidence, underground storage tanks, and landlord flooding. They sit in Disclosures, which accounts for 10 of 40 scored state questions. The statutes supply the details and timing.
Is there one Illinois environmental disclosure form?
No. Radon, federal lead, mine subsidence, residential disclosure, UST, and landlord flood rules create different triggers and documents. Start with the hazard, transaction, property, responsible party, recipient, and timing. A universal-form answer is a trap.
Does the Illinois seller report replace the radon form?
No. The seller report asks about known unsafe radon concentrations. A covered residential sale separately requires the approved pamphlet and radon disclosure activity before the buyer is obligated. Known elevated-radon records also matter. One checkbox does not replace the package.
What triggers federal lead-based paint disclosure?
Federal law generally covers sales and leases of pre-1978 target housing, subject to exemptions. Before obligation, the seller or lessor provides the EPA pamphlet, known information, available records, warning language, and certifications. A buyer also gets a 10-day inspection opportunity unless changed or waived in writing.
What does Illinois mine-subsidence law require?
At the transfer agreement, the transferor discloses in writing to the transferee and lender all mine-subsidence insurance claims paid to the transferor for that property. If the agreement is written, the disclosure is part of it. A mine map is not a paid claim.
How is an underground fuel tank disclosed in an Illinois home sale?
The Illinois seller report asks whether the seller is aware of underground fuel storage tanks. A known residential heating-oil tank can require a yes answer even if it falls outside a regulatory UST definition. Registration, release, cleanup, and closure records are separate issues.
What flood disclosures must an Illinois landlord make?
Before lease or renewal signing, Section 25 requires written disclosure of FEMA Special Flood Hazard Area status and known property or parking flooding. Garden, basement, and first-floor units add a 10-year history. The statement appears in the lease or renewal and both parties sign it.
Must every Illinois owner test for environmental hazards?
No universal testing rule spans these topics. The seller report uses actual knowledge, radon sale law does not itself mandate testing or mitigation, and federal lead law centers on known information and records. A contract, local rule, or professional assignment may add testing.
What should an Illinois broker do with a known environmental fact?
Route it correctly, help the responsible party meet document and timing duties, preserve proof, and follow the broker's separate known-latent-fact duty. A broker can communicate reports and observations but should not diagnose contamination, certify safety, design cleanup, or give legal conclusions.
Are these official Illinois environmental-disclosure exam questions?
No. These are original scenarios aligned to the public outline effective June 24, 2026, not copied or recalled PSI items. The Illinois General Assembly, eCFR, EPA, IEMA-OHS, Illinois EPA, and cited primary sources were checked through August 1, 2026.
Primary sources
- PSI Illinois Candidate Information Booklet and outline effective June 24, 2026
- 765 ILCS 77, Illinois Residential Real Property Disclosure Act
- 765 ILCS 77/35, current Residential Real Property Disclosure Report
- 420 ILCS 46, Illinois Radon Awareness Act
- IEMA-OHS radon and real estate forms and guidance
- US EPA real estate disclosures about potential lead hazards
- 40 CFR Part 745 Subpart F, federal lead disclosure rule
- 765 ILCS 95, Mine Subsidence Disclosure Act
- 765 ILCS 705/25, Illinois landlord flood disclosure
- 41 Ill. Adm. Code Part 176, UST notification rules
- Illinois EPA guidance for buyers of property with a reported UST release
- 225 ILCS 454/15-25, licensee duties to customers
The current official outline controls the tested scope. Statutes, regulations, and official agency materials control when a general study rule and a jurisdiction-specific rule differ.
Editorial status
Checked against primary sources
The Pass Illinois editorial team last checked this guide on August 1, 2026. Every practice question is an original study item, and the source links above let you verify the rules that support the lesson.