Lead Risk Assessment and Abatement Guidelines, Exams of Nursing

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WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ EPA and WI DHS Lead Based Paint Definition -correct answer ✅ ≥0.5% ≥1.0 mg/cm2 Nationally houses built before 1978_______ have lead based pain -correct answer ✅ 75% XRF -correct answer ✅ X-ray fluorescence Factors that should be considered for XRF: -correct answer ✅ - Substrate Correction - inconclusive range - measuring K & L shell reading What year was lead based paint banned? -correct answer ✅ 1978 Only _______ areas that are in the scope of work from the contractor - correct answer ✅ testing areas WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Sampling requirements for Inside a home -correct answer ✅ Visual inspection Less than 4 rooms = sampling all rooms More than 4 rooms = minimum of four rooms sampled Each room should have sampled: Floor Alternate between the tough and window sill _______% confident for room amount with big complexes, with lots of rooms -correct answer ✅ 95% Wait how long after any cleanup has been done -correct answer ✅ an hour Sampling requirements for outside a home -correct answer ✅ -Have to do a visual inspection. -Doesn't specify dust wipe sampling outside -No requirements to have porch floor dust wiped - HUD requires it for particular projects so it is expected to be done WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Should have calibration range (first and second reading) between 0.8 - 1.2 mg/cm2 (+/- 0.2 mg/cm2) for Heuresis model. Each model is different. If out of range then should not use the samples taken. substrate bias/correction -correct answer ✅ what's below the paint Newer machines do not need to substrate correction Take apparent lead concentration (APL) - substrate equivalent lead (SEL) = corrected lead concentration APL - SEL = corrected lead concentration Older machines would have inconclusive ranges for certain substrates (in PCS). If your sample falls in between the inconclusive range then you will have to take a paint chip sample, or assume it is lead paint. 6 substrates -correct answer ✅ Brick, concrete, drywall, metal, plaster, and wood WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ What is Badge/Ring/badge? How often send to lab? What type of exposure does it measure? -correct answer ✅ Warn to measure radiation exposure. Recommended every 3 months to send into the lab to monitor exposure This measures chronic exposure NOT acute exposure Substrate -correct answer ✅ material underneath paint Room equivalent -correct answer ✅ not always just a room, can be a house exterior, foyer, staircase, hallway, kitchen, etc. Building component type -correct answer ✅ doors, windows, walls, and so on that are repeated in more than one room equivalent in a unit and have a common substrate How often do you have to test baseboards in rooms? -correct answer ✅ Baseboard only have to test once, in each room equivalent. WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ How many walls are needed to be tested in each room? -correct answer ✅ Do have to test all 4 walls separately due to accent wall How to test doors? -correct answer ✅ each side of the door, in each room equivalent (in each room if all same substrate then only have to test one, if different substrate then have to test each different substrate) Testing closes -correct answer ✅ Never a room equivalent - one wall - window if present Parts of a window -correct answer ✅ - Sashes -Jambs -Casings -Stops -Aprons -Mullions WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ How often do you have to submit summary reports to DHS? -correct answer ✅ Quarterly Define General Liability -correct answer ✅ accidentally hurt someone (occupant), break something Define Errors and Omissions -correct answer ✅ fraud (ie put a decimal place in wrong spot and got wrong $) but usually only get one. How many units pre 1960 when you stop doing all -correct answer ✅ 20 units How many units post 1960 when you stop doing all -correct answer ✅ 10 units When random number, always round _____ -correct answer ✅ up Risk Assessment -correct answer ✅ Finding lead hazards in a home WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Deteriorated paint -correct answer ✅ cracking, flaking, chipping, peeling this typically occurs when moisture is present Toxic substance control Act 1976 (TSCA) -correct answer ✅ Title N: lead exposure reduction (1992) title X: housing \ community Development Act 1992 •National intrastation to reduce lead •emphasize the issues • concerns to public •certifications & accreditations & labs for testing Lead Risk Assessments Include -correct answer ✅ 1. Questionnaire / Interview 2. Visual Inspection 3. Dust wipes 4. XRF or Paint Chips WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ 5. Soil Samples 6. Sometimes water (not required) 7. Equipment 8. Report OPPOSITE OF DETERIORATED = -correct answer ✅ INTACT Visual inspection includes -correct answer ✅ look for deteriorated paint Dust wipes include -correct answer ✅ • before paint chips so that you don't contaminate this sample with paint chip sample) • For dust wipe samples taken during a risk assessment, the arithmetic mean of laboratory results is equal to or greater than the following: *if the average is above, even if have areas that are negative or below the whole area needs to get addressed. If the average is not above, then the threshold then just remediate the ones that are above. HUD says sampling in any room (x4 rooms) where children eat, sleep, and plays WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ 4. 2-3 minutes after the water stays cold. Then all of water came in through the main = city/water supply Lead Risk Assessor can do -correct answer ✅ All activities of a hazard investigator and lead inspector including XRF List some equipment used during lead risk assessments -correct answer ✅ Zip-lock bags Containers for wipes Sharp scraper Spoon for soil sampling Label markers masking tape Ladder Measuring tape Razor blade Wipes (ASTM approved) Flashlight WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Disposable gloves Lead Hazard Screening -correct answer ✅ (a) Lead hazard screen. For dust wipe samples taken during a lead hazard screen, the arithmetic mean of laboratory results is equal to or greater than the following: 1. Ten micrograms per square foot (10 mg/ft2) on a floor. 2. Fifty micrograms per square foot (50 mg/ft2) on an interior windowsill. Define inspection -correct answer ✅ Inspection does not recommend any work to be done. That is just the given data EBL -correct answer ✅ Elevated Blood Lead Level Health department has to be involved in the EBL investigations There are required things that need to be done WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Lead Hazard Screen -correct answer ✅ property 1960-1977 which is less likely to have lead, and is in good condition Limited sampling More stringent criteria Rarely done Lead Safe investigation -correct answer ✅ qualify the property for lead-safe certificate. Risk assessment to look at the paint in the home Dust: Equal or greater than 10 microg/SF on floors Equal or greater than 100 microg/SF on windows Soil: 400 ppm for children play areas 1200 ppm for rest of yard Define Bypass Hazard Identification -correct answer ✅ Skipping the initial hazard and identification step and control suspected or assumed hazard. Not as strict as a risk inspector "very small" -correct answer ✅ amount of lead paint: 20ft2 exterior or less 2 ft2 or less in any one interior room or space WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Define Enclosure -correct answer ✅ taking rigid durable materials, mechanically fastening, dust tight, write "lead paint" before is being enclosed. (before Tie-vacing house so that you don't have to rely on home owner to disclose) Abatement requirements -correct answer ✅ • Regulatory - there is no requirement with WI state statute for people to do abatement. • Lead Safe Homes require abatement • HUD requires if 25k or more spent on a unit, then need to do abatement and no interim controls. HEPA -correct answer ✅ High Efficiency Particulate Air, filters microscopic particles in the effluent air. Lead Waste -correct answer ✅ Exempted as hazardous waste for residential properties - this is because of leaching ability Multi Family Targeted Sampling -correct answer ✅ 1. Building Code violations WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ 2. Poor condition 3. 2 or more children 4. Day-care facility 5. Preoccupancy in past 3 months HUD recommends reevaluating with mitigation every ____________ -correct answer ✅ 2 years What chemical Substance should dust wipes not have? -correct answer ✅ Aloe or Lanolin 3 types of abatement -correct answer ✅ 1. Removal 2. Enclosure 3. Encapsulation Who regulates hazardous waste removal? -correct answer ✅ DNR & Toxic Characteristic Leachate Program (TCLP) WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ Advantages and Disadvantages of Enclosure -correct answer ✅ Pros: - Reliable/durable -minimal waste - little dust Cons: -no permanent for LBP -physical damage -can hide unsound structures/rotting wood *label surfaces before enclosing How to protect occupants during hazard control measures? -correct answer ✅ RELOCATION IS RECOMMENDED -remove furniture from work area -seal off work area WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ What is abatement -correct answer ✅ permanently remove lead based paint hazard Includes: -encapsulation -enclosure -replacement of building components -removal -soil covering/removal What is Negligence and Vicarious Liability -correct answer ✅ Negligence - failure of lead RA to fufill duties Vicarious Liability - employer being responsible for how employee acts (omissions and wrongful behavior) Information that should be collected before RA -correct answer ✅ -Age of home -Paint History -Previous Inspection results WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ -children at home and age -renovation plans -play areas, gardens, open sills What is Worst Case Sampling? -correct answer ✅ Walk through of every dwelling to survey all physical elements and sampling the worst units in the complex What are the Elevated Blood Levels that require action -correct answer ✅ 1. A single test ≥ 20 μg/dl 2. two tests 3 months apart that result in levels 15 - 19 μg/dl What can a Lead investigator do? -correct answer ✅ -clearance -lead hazard screenings -risk assessments -EBL investigations -Lead Safe investigations WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+ WI Lead Risk Assessor Exam (Correct solutions)2024 RATED A+ MAY NOT USE XRF What is random Sampling? -correct answer ✅ Random # to pick unit to sample total # units X (random decimal) = unit # (round up) What is lead limit on blank sample? -correct answer ✅ no more than 5μg What are interim controls? -correct answer ✅ Measures designed to temporarily reduce exposure to lead paints Includes: - paint film stabilization -friction and impact reduction treatment -dust removal -soil covering WI Lead Risk Assessor Exam (Correct solutions)2023 RATED A+