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At which of the following ages are children in the most danger of lead exposure and the health effects from that exposure? - Correct Answer ✅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? - Correct Answer ✅More lead is absorbed Which of the following is a major source of lead exposure for infants and children? - Correct Answer ✅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? - Correct Answer ✅The central nervous system Dust sampling during a Risk Assessment may include all of the following except: - Correct Answer ✅The top step leading to the front door of the house.
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Where is lead stored in the body for the longest period of time? - Correct Answer ✅in the bones Which of the following is an example of a structural defect that can cause paint failure? - Correct Answer ✅Leaking roof Which of the following is an example of a substrate defect that can cause paint failure? - Correct Answer ✅Plaster that has separated from wood lath Which of the following is an example of a finish defect that can cause paint failure? - Correct Answer ✅Grease on a kitchen wall When should a risk assessor avoid recommending interim controls as a hazard control option? - Correct Answer ✅When the substrate or component is defective.
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Which of the following types of environmental sampling is optional in a complete risk assessment? - Correct Answer ✅water When sampling multi-family housing, what information is used to select the "worst case" units? - Correct Answer ✅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? - Correct Answer ✅Lead concentrations less than 400 ppm. When is a lead hazard screen most appropriate? - Correct Answer ✅Housing in good physical condition. If some painted surfaces are not sampled during a risk assessment, which of the following is true. - Correct Answer ✅Paint should be considered lead-based paint until tested.
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Bare soil along the "drip line" with lead at 2,000 ppm can be treated by: - Correct Answer ✅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? - Correct Answer ✅1250 ppm What is the maximum number of paint chips that can be included in a composite, paint chip sample? - Correct Answer ✅ 5 Which of the following information is not useful for risk assessments - Correct Answer ✅Geographical location of the property A Risk Assessment may include the following questions to the residents except - Correct Answer ✅Where do they go to Church?
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When is paint classified as "intact"? - Correct Answer ✅When deterioration is less than the di minimis levels When could XRF test results be useful in a risk assessment report? - Correct Answer ✅When the XRF testing was performed according to proper protocol. What is the best way to determine if a laboratory can accurately measure the amount of lead in a wipe sample? - Correct Answer ✅Submit "blind", spiked samples with a known amount of lead dust On-going monitoring should include: - Correct Answer ✅Visual assessment of the property and dust wipe sampling. A Risk Assessor does not need to: - Correct Answer ✅Use an XRF instrument for a risk assessment.
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The primary goal of an Elevated Blood Level (EBL) investigation is to: - Correct Answer ✅Find the source of the lead poisoning. At what blood lead level in a child under age six does the CDC recommend an environmental evaluation? - Correct Answer ✅One test of 20 ug/dl or greater or repeated tests between15 ug/dl and 19 ug/dl For sampling in multi-family properties, what are the three methods of unit selection? - Correct Answer ✅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? - Correct Answer ✅The risk assessor should provide the client information about lead poisoning and prevention and encourage him or her to share the information with occupants.
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Which of the following categories of paint failure is most likely caused by moisture/mildew damage? - Correct Answer ✅Surface-coat failure. Of the following kinds of environmental sampling, which must be done during risk assessment? - Correct Answer ✅Dust Efflorescence" of paint indicates - Correct Answer ✅Mildew problems on masonry The hazard control recommendations made in a risk assessment report are: - Correct Answer ✅Site-specific. dust limit for floor is - Correct Answer ✅40 ug/ft^ dust limit for sill is - Correct Answer ✅250 ug /ft^ dust limit for well is - Correct Answer ✅400 ug/ft^
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dust wipes should be - Correct Answer ✅specifically designed for lead in dust wiping only calibrations should be done - Correct Answer ✅begining and the end of each inspection housing exempt from title X requirements are - Correct Answer ✅studio apartments, vacation homes for 100 days, apartments inspected/cleared by a license inspector a testing combination includes - Correct Answer ✅room equivalent, component and susbtrate who is permitted to replace the decaying source in an XRF? - Correct Answer ✅the manufacturer of the XRF decontamination of workers should occur - Correct Answer ✅should occur everytime worker leaves the work area
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dust wipe clearance should be performed on - Correct Answer ✅window sills, window wells and floors how does an inspector determine if substrate correction is necessary? - Correct Answer ✅by referring the to the appropriate PCS for the XRF being utilized
