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EPA Risk assessor Questions and Answers 2025.pdf, Exams of Nursing

EPA Risk assessor Questions and Answers 2025.pdf

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2024/2025

Available from 07/03/2025

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EPA Risk assessor Questions and Answers 2025
At which of the following ages are children in the most danger of lead exposure and
the health effects from that exposure? -
The Ans is * 1-3 years of age
Lead may be absorbed through the intestines after it is ingested. What is the effect
on the absorption of lead when people don't eat properly? -
The Ans is * More lead is absorbed
Which of the following is a major source of lead exposure for infants and children? -
The Ans is * Lead contaminated surface dust and soil.
For children that are exposed to low levels of lead, which of the following body
systems is most affected? -
The Ans is * The central nervous system
Dust sampling during a Risk Assessment may include all of the following except: -
The Ans is * The top step leading to the front door of the house.
Where is lead stored in the body for the longest period of time? -
The Ans is * in the bones
Which of the following is an example of a structural defect that can cause paint
failure? -
The Ans is * Leaking roof
Which of the following is an example of a substrate defect that can cause paint
failure? -
The Ans is * Plaster that has separated from wood lath
Which of the following is an example of a finish defect that can cause paint failure? -
The Ans is * Grease on a kitchen wall
When should a risk assessor avoid recommending interim controls as a hazard
control option? -
The Ans is * When the substrate or component is defective.
Which activity is most likely to cause lead levels in the air to exceed the PEL? -
The Ans is * Heat guns operating at temperatures greater than 1100°
When does a risk assessor perform air sampling? -
The Ans is * Never during a risk assessment.
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EPA Risk assessor Questions and Answers 202 5 At which of the following ages are children in the most danger of lead exposure and the health effects from that exposure? - The Ans is * 1 - 3 years of age Lead may be absorbed through the intestines after it is ingested. What is the effect on the absorption of lead when people don't eat properly? - The Ans is * More lead is absorbed Which of the following is a major source of lead exposure for infants and children? - The Ans is * Lead contaminated surface dust and soil. For children that are exposed to low levels of lead, which of the following body systems is most affected? - The Ans is * The central nervous system Dust sampling during a Risk Assessment may include all of the following except: - The Ans is * The top step leading to the front door of the house. Where is lead stored in the body for the longest period of time? - The Ans is * in the bones Which of the following is an example of a structural defect that can cause paint failure? - The Ans is * Leaking roof Which of the following is an example of a substrate defect that can cause paint failure? - The Ans is * Plaster that has separated from wood lath Which of the following is an example of a finish defect that can cause paint failure? - The Ans is * Grease on a kitchen wall When should a risk assessor avoid recommending interim controls as a hazard control option? - The Ans is * When the substrate or component is defective. Which activity is most likely to cause lead levels in the air to exceed the PEL? - The Ans is * Heat guns operating at temperatures greater than 1100° When does a risk assessor perform air sampling? - The Ans is * Never during a risk assessment.

Which of the following abatement options is most likely to cause a dangerous lead exposure to lead abatement workers? - The Ans is * Paint removal What is the best way to reduce lead hazards in the home? - The Ans is * Use a combination of interim controls or removal, replacement, encapsulation, and/or enclosure of lead-based paint. Which of the following methods is best for cleaning-up lead dust? - The Ans is * HEPA vacuuming and tri-sodium phosphate cleaning cycles. Which of the following types of environmental sampling is optional in a complete risk assessment? - The Ans is * water When sampling multi-family housing, what information is used to select the "worst case" units? - The Ans is * Visual assessment during a walkthrough of every unit. According to the EPA/HUD, what are considered acceptable levels of lead in soil for play areas? - The Ans is * Lead concentrations less than 400 ppm. When is a lead hazard screen most appropriate? - The Ans is * Housing in good physical condition. If some painted surfaces are not sampled during a risk assessment, which of the following is true. - The Ans is * Paint should be considered lead-based paint until tested. Bare soil along the "drip line" with lead at 2,000 ppm can be treated by: - The Ans is * Covering the bare soil with mulch, sod, or gravel. If a composite paint chip sample is made of four sub-samples, what is considered the critical level of lead in the sample as expressed in ppm? - The Ans is * 1250 ppm What is the maximum number of paint chips that can be included in a composite, paint chip sample? - The Ans is * 5 Which of the following information is not useful for risk assessments - The Ans is * Geographical location of the property A Risk Assessment may include the following questions to the residents except -

The Ans is * Target, worst case, random. Unless state law provides otherwise, what is the risk assessor's role in educating occupants about the lead hazards of the property being evaluated? - The Ans is * The risk assessor should provide the client information about lead poisoning and prevention and encourage him or her to share the information with occupants.

  1. When does a risk assessor collect paint chip samples or perform XRF testing - The Ans is * When the paint is deteriorated. When is clearance testing required? - The Ans is * After abatement or when renovations may disturb lead-based paint Di minimis measurements for deteriorated paint are: - The Ans is * 2 ft2 per interior room, 20 ft2 of exterior surfaces, 10% of component area. A moisture meter may be useful in a Risk Assessment because it can: - The Ans is * Measure moisture in substrates. When selecting units for targeted and worst case sampling, how does the risk assessor treat units known to contain children with EBLs? - The Ans is * Units with EBLs are added to the total number after communicating with the Health Department. Which of the following categories of paint failure is most likely caused by moisture/mildew damage? - The Ans is * Surface-coat failure. Of the following kinds of environmental sampling, which must be done during risk assessment? - The Ans is * Dust Efflorescence" of paint indicates - The Ans is * Mildew problems on masonry The hazard control recommendations made in a risk assessment report are: - The Ans is * Site-specific. dust limit for floor is - The Ans is * 40 ug/ft^ dust limit for sill is - The Ans is * 250 ug /ft^

dust limit for well is - The Ans is * 400 ug/ft^ dust wipes should be - The Ans is * specifically designed for lead in dust wiping only calibrations should be done - The Ans is * begining and the end of each inspection housing exempt from title X requirements are - The Ans is * studio apartments, vacation homes for 100 days, apartments inspected/cleared by a license inspector a testing combination includes - The Ans is * room equivalent, component and susbtrate who is permitted to replace the decaying source in an XRF? - The Ans is * the manufacturer of the XRF decontamination of workers should occur - The Ans is * should occur everytime worker leaves the work area what is a dosimeter? - The Ans is * the ring or badge used to measure the exposure of radiation NIST blocks - The Ans is * are used to check the calibration of the XRF the maximum amount of radiation an inspector can receive in one year is - The Ans is * 5000 mrem substarte correction helps to minimize - The Ans is * errors caused by the susbstrate what licensed/certified professional is permitted to take post abatement dust samples? - The Ans is * inspectors/risk assessors In a multifamily complex an inspector determines which units to inspect by - The Ans is * multiplying the total number of units by a random number dust wipe clearance should be performed on - The Ans is * window sills, window wells and floors