Download NJ Lead Inspector/Risk Assessor Final Exam Questions with Correct Answers 2025 and more Exams Health sciences in PDF only on Docsity!
NJ Lead Inspector/Risk Assessor Final Exam Questions with
Correct Answers 2025 Graded A+
What percentage of lead is in drinking water for children? - Answer✅ 20% What does Title X focus on? - Answer✅ Focuses attention on source of lead that could poison children. What areas in the waterline produce high lead levels in water? - Answer✅ Poorly Soldered joints where brass fittings are. With inspecting water what is the most causes for corrosive towards lead? - Answer✅ Hot, Acidic and soft water What are the causes our air to become lead contaminated? - Answer✅ Gas, Emission stationary sources, smelters and battery factories. What causes very high concentrations of lead dust and fumes? - Answer✅ Abrasive Blasting/ Sand Blasting and burning steel. Where does lead in food typically come from? - Answer✅ Containers with solder, crystal, pewter, ceramic glaze & cookware How is eliminated from the body? - Answer✅ Slowly from the body by kidney and gastrointestinal tract. How does very tiny amounts of lead leave the body? - Answer✅ Through sweat What are the most commons ways children develop lead poisoning? - Answer✅ Ingesting lead dust through hand to mouth activities.
How are most adults exposed to lead? - Answer✅ Work. What does lead effect when digested? - Answer✅ Central Nervous System. What is Chelating Agents? - Answer✅ Medication that removes lead from a person body. What does RCRA stand for? - Answer✅ Resource Conservation and Recovery Act What does RCRA do? - Answer✅ Govern federal hazard waste disposal regulations. What is the most acute lead common symptom? - Answer✅ Abdominal pain What does HUD Guidelines assist with? - Answer✅ Identifying and controlling lead paint in housing. What needs to be done for HUD buildings built before 1978? - Answer✅ All painted surfaces must be inspected to determine if testing is needed. How does occurrence coverage policy's work? - Answer✅ They can still be active after policy. How does claims made coverage work? - Answer✅ This is only covered during the policy period. Lead abatement should be conducted by who? - Answer✅ Certified supervisors and trained workers Who set forth to eliminate lead exposure at work? - Answer✅ NIOSH
What is the TCLP standard for Hazardous waste? - Answer✅ 5PPM What year was Title X ammended? - Answer✅ 1992. What does Title X deal with? - Answer✅ EPA, Training, Disclosures, RRP & Dust Sample Techs. What is RRP? - Answer✅ Renovate, Repair, Paint. What is the Title X and OSHA Regulation Statue? - Answer✅ 29 CFR 1926. What does HUD deal with? - Answer✅ Testing properties, rewriting guidelines, lead safe work practices, lead safe dust tech. With HUD you when are you required to take a wipe sample? - Answer✅ At the end of the day or CV Card. What should your inspection report include? - Answer✅ XRF Model, serial #, starting and end time, XRF Results, statement. (NO ABATEMENT MEASURES) Equation for Wipe Samples: 100 UG & 2''x1' Please solve. - Answer✅ 625 UG/Ft When completing a visual inspection what areas are you looking at? - Answer✅ Areas where LBP was removed and adjacent from intact paint, Windows, repainting and sealing. What is a loading area? - Answer✅ Dust wipe
What is mass concentration? - Answer✅ Panit chip sample. What needs to be done before taking a dust wipe sample? - Answer✅ Floors need to be waxed, Carpets should be vacuumed/swiffered. When taking a blank this media should contain no more than what UG/wipe? - Answer✅ 5 UG/Wipe Where should dust wipe sample be taken? - Answer✅ floors, interior window sills, window troughs. Dust wipe sample should be approved by? - Answer✅ ATSM AAS Stand for? - Answer✅ Atomic Absorption Spectrometry. What is AAS used for? - Answer✅ Method used for elemental analysis. How is AAS Used? - Answer✅ Lead Vaporized at high temps a light of specifics wave lengths is shined through vapors. When using AAS how will you know if lead is present? - Answer✅ The light will be partially extinguished. What is the ML for Centerfuge tube - Answer✅ 50 ML What does a interim controll do? - Answer✅ Temporarily reduces human exposures or likely exposures to LBP hazards. How long should Interim controls last? - Answer✅ 3 - 20 years.
Please solve the substrate correction [master bedroom/wood door] [Kitchen/wood/baseboard] first- 1.32 second- 0.91 third- 1.14 first- 1.21 second-1.03 third-1.43 - Answer✅ 1.17 MG/CM What is the equation for random selection? - Answer✅ Total # of units X random # 0 - 1 Solve Random selection problem? to 50 units x 0.19 - Answer✅ 10th unit PEL Limit - Answer✅ 50 UG/M Action Level - Answer✅ 30 UG/M Name substrates - Answer✅ wood, brick, plaster, sheet rock, metal, concrete Please define a Risk Assesment - Answer✅ On site investigation to determine the existence, nature, severity and location of LBP hazards. (Soil, Dust and paint) What are the two illegal practices when removing LBP? - Answer✅ Methyleine Chloride (paint stripping) Dry Scrapping/open flame (over 1,100 F) When taking water samples from the first draw how long should water be left in the piping? - Answer✅ 6 Hours Please determine what needs to be replaced when water sampling. First sample- HOT. Second sample- HOT. Third/fourth sample- LOW. - Answer✅ Replace piping from 2nd main service line. Let H20 run cold + call h20 Dept.
When records are needing to be kept who is responsible for this? - Answer✅ Owner. If a paint chip is 1,000 PPM-3,000 PPM who determines next level? - Answer✅ LBP- HUD NJLBP Follow OSHA Laws When soil strategies are being taken into account what else needs to be done. - Answer✅ Ensure what the owner can afford. highest concentration of soil is called? - Answer✅ Drip Line Risk Assessor what does the EPA define the area of the drip line? - Answer✅ 3 feet. What are the clearances when it comes to soil for children? - Answer✅ 400PPM Children Play Area 1200PPM Non Children Play Area. 5000PPM Abatement Why do You take field blanks? - Answer✅ For quality assurance. How many field blanks should you take per property? - Answer✅ 1 - 10 Samples How much soil should you be taking for a soil sample? - Answer✅ 2 inches. How much soil should you sample and send to the lab? - Answer✅ 1/2 inch Who creates the hazard control plan?& Who determines the Hazard Control Plan - Answer✅ Risk assessor & Owner.
As a risk assessor what should take place for stairway steps with LBP. - Answer✅ Best choice is paint film stabilization for most interim controls and removal or enclosure for abatement. How many samples do you need for composting sampling? - Answer✅ 3 - 10. How do you test cracking, chipping and loose paint? - Answer✅ Paint chip samples. How many square inches should paint chip samples be by hud standard? - Answer✅ 4 square inches. When taking water samples should the water be hot or cold? - Answer✅ Cold What is a hazard screen Assessment? - Answer✅ Post 1960 properties in good condition. What can you sample soil with? - Answer✅ Glass jars, plastic bags, centrifuge tubes. What are 4 things you can sample when taking water samples? - Answer✅ 1. First draw
- Plumbing
- Service line
- Water main. What does title 10 not address? - Answer✅ Elderly with children Disabled houses. Why does a homeowner need to hire a abatement company and not you? - Answer✅ Conflict of interest. What type of lawsuit would find you negligent? - Answer✅ Tort Law
What is worse case sampling? - Answer✅ Visual assessment you pick what units to inspect. Who preforms lead hazard screening? - Answer✅ Risk Assessor How does the XRF work? - Answer✅ Gamma rays in lead X-rays out What is the most common use of lead in US? - Answer✅ Car batteries. What is the appropriate clean up process for lead abatement? - Answer✅ Hepa, wet wash, hepa. What is the appropriate clean up process for lead dust. - Answer✅ Hepa, wet wash. What type of gloves should be used when taking samples? - Answer✅ NON POWDERED. What does XRF release? - Answer✅ Gamma, beta, alpha Final reports must include what data from the XRF? - Answer✅ All raw data and lab results. How are XRF results correct for substrate bias? - Answer✅ Subtracting the correction value.
