Lead inspector Exam Questions And Answers Verified 100% Correct

Lead inspector Exam Questions And Answers Verified 100% Correct Accumulation of lead in the body: Blood - ____% Half- life 1 month; kidney -5 -10% half- life 1 month; bone 80-90 Half- life 25 years. - ANSWER 5-10% Biological testing methods_________________- best initial measurements for evaluation lead exposure in the body - ANSWER Blood lead level Effects of lead poisoning: Learning disability, interfere with red blood cell, ___________ and cramps, mental retardation, coma seizures, kidney damage, anemia and death. - ANSWER Stomach aches Lead poisoning treatments: 1st step is to_______ the person from further exposure; parent education, nutrition counseling, child evaluation, medication. - ANSWER Remove Government actions which aided in the reduction of lead exposure: - ANSWER Banned house lead house paint -Banned solder in food cans - Banned lead gasoline - Developed drinking water standards - guidelines for soil and dust - Training and certifications requirements and standards for inspections and risk assessment. - Interim controls and abatement - Lead in construction rule 29 CFR 1926.62 and the guidelines for LBP hazards The year that CSPC ban on LBP sales - ANSWER 1978 Prohibited methods for lead - ANSWER - Open flame burning or torching - Machine sanding or grinding without a HEPA local exhaust control. -Abrasive blasting or sand blasting without HEPA local exhaust control. - heat guns operating above 1,100*F or those that operate high enough to char paint - Dry sanding or scraping - Paint stripping in a poorly ventilated space using a volatile stripper that is hazardous substance or chemical Disclosure Rule exemptions: __________ housing sold at foreclosure; zero-bedroom units; short-term rentals - ANSWER Target OSHA PEL/ action level: - ANSWER PEL of 50 ug/m^3 and an action level of 30 ug/m^3 OSHA LEAD in construction standard: - ANSWER 29 CFR 1926.62 Employer requirements under OSHA required to determine if any employee's exposure yo lead exceeds the action level of 30 ug/m^3 averaged over an 8hr day - ANSWER 30 RCRA ______ governs federal hazardous waste disposal regulations. - ANSWER RESOURCE CONSERVATION AND RECOVER ACT Steps household can take to limit lead exposure in drinking water : Running tap water for ______ (time) before use; never using water from the hot water tap for drinking or cooking; Not boiling water longer then necessary; checking for lead solder. - ANSWER 30-60 Types of error in LBP testing - ANSWER False negative (failure to detect lead at or in excess of the federal regulatory standard) False positive (concluding that lead is present at or above the federal regulatory standard when in fact, it is not). How does XRF work: - ANSWER Exposing a paint surface to _ radiation emitted fromt the sealed source inside the instrument The electron shells which from XRF analyzers measure x rays. - ANSWER K AND L Types of radioactivity emitted by XRF analyzer______ - ANSWER Gamma Describe differences spectrum and direct read analyzers - ANSWER Describes how the information is displayed to the user. Direct reading XRF displays only the lead level (calculated lead concentrations). Spectrum analyzers also produces a graph called and energy spectrum Factors for the degree of damage from ______ radiation. Types of radiation involved; chemical form of radiation; intensity of the radiation flux (related to the amount of radiation and distance from the source) Energy; duration Of exposure. - ANSWER Ionizing Amount of radiation exposure from using an XRF - ANSWER Small Three factors for radiation exposure - ANSWER Time, distance and shielding Purpose of PCS: - ANSWER Provide info on how to use a specific XRF for testing- It provides detail regarding XRF reading taken on specific substrates, calibration check for tolerance, and information describing the performance of each brand of XRF Advantages of XRF vs chip painting - ANSWER XRF: speed, cost efficiency, non destructiveness. Factors for substrate corrections - ANSWER Test location with an initial XRF result of less than 2.5 mg/mc^2. This level reduces the impact of lead which"bled" into a porous substrate and to prevent testing a spot where a nail or metal pipe causes a high substrate reading. XRF calibration checks material SRM: - ANSWER Standard Reference Material- used to verify that the XRF is working properly. These measurements are averaged and then the value is compared to the calibration check limits of that particular XRF to determine if the XRF is within those limits. Do not use an XRF if the calibration check results are outside the pcs tolerance limits. How often must a calibration check be done. - ANSWER At the beginning of each inspection; at least every 4 hours; at the end of each inspection. Specific vs General licenses. - ANSWER Specific license : license required by licensing states to legally take possession of an XRF. General license allows the user to take possession of the XRF under the manufacturers specific license, thereby eliminating the requirements for the inspectors company to obtain a license. (tx is general) Agreement vs non- agreement states: - ANSWER Agreement states have entered into agreements with the NRC to assume responsibility for the regulation of the XRF radioactive material; non agreement states are regulated by the NRC making transporting an XRF between easier. XRF transportation - ANSWER Cannot be shipped by USPS. XRF may be transported by personal, agency and company car. As long as radiation level is below 2.0 mrem/hr. It should be separated from the drive. All documents should be with the driver. Agency which regulates transportation of radioactive materials: - ANSWER US department of transportation. (USDOT)