EPA Lead Renovator Certification Exam
Lead-Safe Work Practices Practice Questions
50 practice questions with detailed explanations — aligned to the EPA Lead Renovator Certification Exam.
Master Lead-Safe Work Practices to boost your score on the EPA Lead Renovator Certification Exam. Each question below mirrors the style and difficulty of real exam questions, complete with detailed explanations so you understand the why behind every answer. Work through all 50 questions, review any that trip you up, and use the related topics below to round out your preparation.
Q1.Which of the following work practices is PROHIBITED under the EPA RRP Rule during renovation of pre-1978 painted surfaces?
A.Wet scraping with plastic sheeting below the work areaB.Using an open-flame torch to remove paintC.Using a low-speed drill with a HEPA-equipped vacuum attachmentD.Manual dry scraping away from windows and HVAC ventsB. Using an open-flame torch to remove paintExplanation: The RRP Rule prohibits several high-risk work practices regardless of whether lead is confirmed: open-flame burning or torching of painted surfaces, use of power tools without HEPA exhaust control (e.g., uncontrolled grinders, sanders, heat guns above 1100°F), and dry scraping except for certain limited areas. These practices generate fine lead dust particles that are easily inhaled.
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Q2.What is the MINIMUM containment requirement for an interior renovation job that disturbs lead-based paint?
A.No containment is needed if windows and doors are open for ventilationB.Close windows and doors, cover floors and furniture within 6 feet with plastic sheeting, and seal all vents in the work areaC.Remove all furniture from the room and apply one layer of drop clothD.Cover only the floor directly under the work area with a drop clothB. Close windows and doors, cover floors and furniture within 6 feet with plastic sheeting, and seal all vents in the work areaExplanation: Interior RRP containment requires: closing all windows and doors in the work area, covering and sealing all HVAC vents to prevent lead dust from spreading through ductwork, and covering the floor and any immovable furniture with 6-mil plastic sheeting. The sheeting should extend at least 6 feet from the work area and be secured with tape.
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Q3.A certified renovator is replacing exterior windows on a pre-1978 home. Which containment practice is REQUIRED?
A.No exterior containment is needed if the work is done on a calm dayB.Covering the ground with plastic sheeting extending at least 10 feet from the building and preventing occupant access to the areaC.Watering the soil around the work area and collecting debris at end of dayD.Only interior containment is required; exterior debris can be swept upB. Covering the ground with plastic sheeting extending at least 10 feet from the building and preventing occupant access to the areaExplanation: Exterior RRP work requires covering the ground with plastic sheeting extending at least 10 feet from the building (or to the property line if less than 10 feet). Occupants must not have access to the work area while work is in progress. The containment must capture paint chips, dust, and debris from falling or being blown from the work area.
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Q4.When using power tools to disturb lead-painted surfaces, which control measure is REQUIRED by the RRP Rule?
A.Workers must wear a full-face respirator with HEPA cartridges at all timesB.Power tools must be equipped with a shroud or enclosure attached to a HEPA vacuumC.All power tools are prohibited when working with lead paintD.Power tools may only be used on exterior surfaces, not interiorB. Power tools must be equipped with a shroud or enclosure attached to a HEPA vacuumExplanation: The RRP Rule requires that power tools used to disturb lead-painted surfaces (such as sanders, grinders, and planers) be equipped with a shroud, enclosure, or vacuum attachment connected to a HEPA vacuum. This captures lead dust at the point of generation. Uncontrolled power sanding or grinding of lead paint is a prohibited practice.
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Q5.Which of the following is the correct post-renovation interior cleanup sequence under the RRP Rule?
A.Sweep first, then vacuum, then wet wipeB.Wet wipe first, then sweep, then vacuum with HEPAC.HEPA vacuum all surfaces (walls, surfaces, floor), then wet wipe all surfacesD.Use a leaf blower to clear debris, then wet mop the floorC. HEPA vacuum all surfaces (walls, surfaces, floor), then wet wipe all surfacesExplanation: The RRP Rule cleanup sequence requires: (1) HEPA vacuum all surfaces, including walls and flat surfaces, from top to bottom; (2) wet wipe all surfaces; (3) HEPA vacuum the floor again. Using a leaf blower or regular vacuum (without HEPA filtration) to clean up lead dust is prohibited because it disperses fine lead particles into the air.
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Q6.Occupants of target housing must be relocated from the renovation work area during work that disturbs lead paint. When may they return to the work area?
A.When the certified renovator has completed all renovation workB.After the work area has been cleaned and the certified renovator has performed the post-renovation cleaning verificationC.After 24 hours from the time the work was completedD.Immediately after dust is no longer visually apparentB. After the work area has been cleaned and the certified renovator has performed the post-renovation cleaning verificationExplanation: Occupants must not return to the work area until the certified renovator has completed all renovation work, performed the required post-renovation cleaning (HEPA vacuum, wet wipe), and conducted the cleaning verification (visual inspection confirming no visible dust, debris, or residue). The work area must be verified clean before occupants re-enter.
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Q7.Which type of vacuum cleaner is REQUIRED for cleanup after lead renovation work?
A.Any commercial-grade wet/dry shop vacuumB.A vacuum cleaner equipped with HEPA (High Efficiency Particulate Air) filtrationC.A standard household vacuum with a clean filterD.A central vacuum system vented to the exteriorB. A vacuum cleaner equipped with HEPA (High Efficiency Particulate Air) filtrationExplanation: HEPA vacuums must be used for lead renovation cleanup because they capture 99.97% of particles at 0.3 microns or larger, including fine lead dust particles. Standard vacuums exhaust fine lead particles back into the air, worsening contamination. HEPA vacuums must be maintained per manufacturer instructions, and filters must be replaced while wearing respiratory protection.
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Q8.Under the RRP Rule, a heat gun used to remove lead paint MUST operate at a temperature:
A.Below 500°F to prevent any fume generationB.Below 1,100°F to prevent volatilization of lead particlesC.Above 1,100°F to ensure complete paint removalD.At any temperature, as long as workers wear respiratorsB. Below 1,100°F to prevent volatilization of lead particlesExplanation: The RRP Rule prohibits the use of heat guns at temperatures at or above 1,100°F (593°C) because at this temperature, lead can volatilize and become airborne as ultrafine lead particles. Heat guns operating below 1,100°F are permissible but must still be used with proper containment and respiratory protection.
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Q9.Lead paint waste generated during a renovation project (plastic sheeting, HEPA filter bags, dust, paint chips) must be disposed of:
A.In regular household garbage, double-bagged in plasticB.Only at a licensed hazardous waste facilityC.In accordance with applicable federal, state, and local solid waste disposal requirementsD.By burial on the property, at least 2 feet below gradeC. In accordance with applicable federal, state, and local solid waste disposal requirementsExplanation: RRP waste (plastic sheeting, debris, HEPA filter contents, wet disposable wipes) must be disposed of in accordance with applicable federal, state, and local solid waste regulations. In many jurisdictions, renovation waste that is not classified as hazardous waste may be disposed of in regular solid waste, but state and local requirements vary and must be checked.
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Q10.Workers performing renovation activities that disturb lead paint must be protected from lead exposure. Which respiratory protection is appropriate for most RRP renovation tasks?
A.A surgical mask or N95 dust mask is sufficient for all lead renovation tasksB.No respiratory protection is required if a HEPA vacuum is usedC.A half-face respirator with HEPA (P100) cartridges is appropriate for most renovation tasksD.A supplied-air respirator is required for all lead renovation workC. A half-face respirator with HEPA (P100) cartridges is appropriate for most renovation tasksExplanation: For most RRP renovation tasks, a half-face air-purifying respirator with HEPA (P100) cartridges is appropriate. Note that the RRP Rule does not specify respirator requirements (that falls under OSHA's Lead Standard, 29 CFR 1926.62 for construction). Employers must comply with OSHA requirements, including a written respiratory protection program, medical evaluation, and fit testing.
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