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PA Lead Abatement Worker Licensing
Practice Exam Questions And Correct
Answers (Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
- Which federal agency regulates worker protection standards for lead abatement? A. EPA B. HUD C. OSHA D. CDC OSHA sets standards for worker safety, including permissible exposure limits and protective equipment requirements.
- The main route of lead exposure in adults is: A. Dermal absorption B. Ingestion C. Inhalation
D. Injection Inhalation of lead dust and fumes is the primary occupational exposure route.
- What is the permissible exposure limit (PEL) for lead under OSHA? A. 30 μg/m³ B. 20 μg/m³ C. 50 μg/m³ D. 10 μg/m³ OSHA’s PEL for airborne lead is 50 micrograms per cubic meter of air averaged over an 8-hour period.
- The action level for lead exposure that triggers medical surveillance is: A. 70 μg/m³ B. 30 μg/m³ C. 20 μg/m³ D. 10 μg/m³ OSHA requires medical surveillance if exposure is at or above 30 μg/m³ for more than 30 days per year.
- Which personal protective equipment (PPE) is always required during lead abatement? A. Steel-toed boots B. Hard hat C. Respirator D. Ear plugs
- A negative air machine is used to: A. Remove water B. Maintain containment by filtering and exhausting air C. Test air for lead D. Supply fresh air Negative air machines with HEPA filters prevent contaminated air from escaping the work area.
- How often must HEPA filters on vacuums be changed? A. Weekly B. As needed when damaged or clogged C. Every 6 months D. Monthly Filters are replaced when efficiency is reduced or damage occurs, not on a set schedule.
- When disposing of lead-contaminated waste, it must be: A. Incinerated B. Placed in leak-tight containers and labeled C. Buried in soil D. Mixed with concrete Lead waste must be sealed and properly labeled to prevent environmental contamination.
- What does XRF stand for in lead detection? A. X-ray film
B. X-ray fluoroscopy C. X-ray fluorescence D. X-ray frequency XRF analyzers detect lead in paint non-destructively by measuring fluorescence.
- Which federal agency sets standards for lead-safe housing? A. OSHA B. HUD C. CDC D. FDA HUD sets housing-related lead hazard standards, especially for federally assisted housing.
- The most vulnerable population to lead poisoning is: A. Elderly B. Adolescents C. Children under 6 years old D. Pregnant women only Young children absorb lead more easily and are more affected neurologically.
- Which cleaning method is required after abatement? A. Dry sweeping B. Compressed air C. HEPA vacuuming and wet wiping
A. 20 μg/dL B. 30 μg/dL C. 50 μg/dL or higher D. 70 μg/dL Workers must be removed if their BLL is 50 μg/dL or higher.
- Which of the following is required at all lead abatement job sites? A. Fire extinguisher B. First aid kit C. Decontamination area D. Security guard Decontamination areas prevent lead dust from being carried offsite.
- What is the first step in setting up a lead abatement work area? A. Demolition B. Waste removal C. Containment setup D. Medical testing Containment must be established to protect surrounding areas before abatement begins.
- The use of open-flame burning for lead paint removal is: A. Allowed with PPE B. Prohibited C. Only allowed outdoors
D. Allowed with wetting Open-flame burning creates toxic lead fumes and is banned.
- Which cleaning verification method is approved by EPA’s RRP rule? A. Dust wipe clearance B. Visual check only C. Disposable cleaning cloth verification D. Water sampling The RRP rule allows disposable cleaning cloth verification for small- scale renovations.
- Lead dust hazards exist when floor dust contains: A. 100 μg/ft² B. 40 μg/ft² or more C. 70 μg/ft² D. 25 μg/ft² EPA defines a floor dust hazard as ≥40 μg/ft².
- Workers should wash their hands and face: A. Once per shift B. Only if dirty C. Before eating, drinking, or smoking D. At home This prevents ingestion of lead dust through hand-to-mouth contact.
OSHA requires specific wording to communicate the danger of lead exposure.
- Proper protective clothing for lead abatement includes: A. Cotton overalls B. Jeans and T-shirt C. Disposable coveralls D. Wool clothing Disposable coveralls prevent contamination and must be removed before leaving the site.
- Lead accumulates in the body primarily in: A. Skin B. Bones C. Lungs D. Muscles Lead is stored long-term in bones, releasing slowly over time.
- Which hand tool is acceptable for lead abatement? A. Sandblaster B. Power sander without HEPA C. Chemical stripper D. Wire brush with torch Chemical strippers can remove lead paint without generating dust.
- Which medical test is used for long-term exposure monitoring? A. Urine lead
B. Serum lead C. Zinc protoporphyrin (ZPP) D. Chest X-ray ZPP reflects chronic lead exposure and complements blood lead testing.
- What is the half-life of lead in blood? A. 3 hours B. 5 days C. About 30 days D. 10 years Lead remains in blood for about 30 days before depositing in bone.
- When should contaminated disposable coveralls be removed? A. At home B. Before leaving the work area C. During breaks D. Once a week Coveralls must be removed onsite to avoid contaminating homes or vehicles.
- What is the main purpose of medical surveillance in lead abatement? A. Save money B. Check attendance C. Detect health effects early
B. Wet scraping C. Sweeping D. Burning Wet scraping suppresses dust during paint removal.
- Which type of training must PA lead workers complete? A. First aid B. Confined space C. EPA/PA-accredited lead abatement worker training D. CPR only PA requires accredited worker training before licensing.
- Lead enters drinking water mainly through: A. Groundwater B. Lead plumbing pipes and solder C. Rainwater D. Air pollution Lead leaches into water through plumbing materials containing lead.
- Which is an early symptom of lead poisoning? A. Paralysis B. Blindness C. Fatigue and abdominal pain D. Seizures Early signs include fatigue, headaches, and stomach pain.
- Clearance testing after abatement is conducted using: A. Visual check only B. Air sampling C. Dust wipe samples D. Water testing Dust wipe samples confirm that surfaces are free of lead dust hazards.
- Which of the following is a common secondary source of lead exposure? A. Television B. Imported ceramics C. Plastic bottles D. Glass windows Imported ceramics with lead glaze can leach lead into food.
- The key nutritional factor that helps reduce lead absorption is: A. Fat B. Sugar C. Calcium and iron D. Salt Calcium and iron compete with lead for absorption in the body.
- Lead fumes are typically generated by: A. Wet scraping B. Chemical stripping C. Heating or burning lead paint
The Pennsylvania Department of Labor & Industry enforces state licensing and compliance.
- Which type of containment is typically used for interior lead abatement? A. Plastic barriers and sheeting B. Open ventilation C. Full critical barrier containment D. No containment needed Interior abatement requires full containment with plastic sheeting and sealed barriers to control dust.
- The OSHA standard requires workers exposed to lead above the action level to receive training: A. Every 5 years B. Only once C. Annually D. Every 2 years OSHA mandates annual training for lead-exposed workers.
- What should be done with disposable respirators after use? A. Washed and reused B. Discarded as contaminated waste C. Stored with clean tools D. Repaired
Disposable respirators must be thrown away as contaminated material after use.
- Which method is used to reduce lead dust during demolition? A. Compressed air B. Dry sweeping C. Mist or water spray D. Open burning Water spray (wet methods) suppresses dust during demolition activities.
- Lead-contaminated waste must be stored in: A. Cardboard boxes B. Paper bags C. Sealed, leak-tight containers with proper labels D. Wooden crates Waste must be sealed and properly labeled to prevent release of lead dust.
- Which surface is most likely to be a lead hazard? A. Ceiling tile B. Window sill C. Carpet D. Ceramic sink Window sills are friction surfaces where lead paint deteriorates and creates dust.
B. They breathe slower C. They absorb more lead and their brains are still developing D. They have stronger bones Children absorb more lead per body weight, and developing brains are highly vulnerable.
- Which type of ventilation is prohibited during abatement? A. Negative air machine B. HEPA filtration C. Unfiltered fans blowing dust D. Sealed barriers Unfiltered fans spread contamination and are not permitted.
- What color should lead hazard warning signs typically be? A. Blue and white B. Red, black, and white C. Green and yellow D. Black and orange Standard OSHA hazard signs for lead use red, black, and white.
- What is the primary reason for worker decontamination? A. To save equipment B. To reduce costs C. To prevent carrying lead dust off-site D. To keep clothes clean
Decontamination stops workers from contaminating homes and public areas.
- Which activity is NOT allowed in a lead work area? A. Drinking B. Smoking C. Eating D. All of the above Eating, drinking, and smoking are prohibited to prevent ingestion of lead dust.
- What is the main environmental pathway of lead poisoning in children? A. Air B. Water C. Dust and paint chips D. Soil only Children often ingest lead from contaminated dust and deteriorated paint.
- What is a lead-safe renovation practice? A. Dry sanding B. Wet sanding with HEPA vacuum attachment C. Open-flame torching D. High-pressure blasting Wet sanding with HEPA control minimizes lead dust release.
