EPA Lead Inspector exam 2023 with correct answers

What shell bonds to the nucleus the greatest? K shell The NIST Standard of reference material that is closest to 1.0 mg/cm2 is? Yellow In a 4 hour inspection, how often must you perform calibration check(s) of your XRF analyzer? Once mg/cm2 is the scientific symbol for: milligram per sqaured centimeter Lead has been used for: All of the above In a 10 hour inspection, a lead paint inspector must perform a minimum of __ calibration checks 4 For buildings that have been built prior to 1960 with 1040 or more similar units, the inspector must test what percentage of the units common areas and exterior sites? 5.7 (chart) During the Roman Empire, lead production was estimated at ___ tons per year 80,000 tons For buildings that have been built prior to with 1000 or more similar units the inspector must test what percent of the units common areas and exterior sites? 2.9 Which of the following does HUD not consider a recognized substrate? Paper The chemical symbol for lead is Pb As a qualified and trained lead inspector, you should be very suspect of housing units built before due to the fact that the very well may contain some lead-based paint 1978 The major source of lead for most adults is: occupational exposure Lead causes permanent damage to: All of the above Which of the following is THE MAIN hazard for children's lead poisoning: exposure through dust and soil What is the source of radiation in all XRF Analyzers used to test lead based paint? Cobalt-57 AND Cadmium-109 Due to discrepancies of regulations, many inspectors encounter difference between federal, state, or local, standards. The "rule of thumb" is to: comply with more stringent standards What is emitted from radioactive sourec in the XRF: Gamma rays The decay rate of cobalt-57 is approximately: 9 months Which governmental agency has taken action to virtually remove lead from gasoline products: NIOSH In what year did the Federal Government enact the Lead-Based Paint Poisoning Prevention Act (LBPPPA): 1971 What is the common source of lead poisoning in children: lead-based paint dust OSHA Lead Standards for exposures above the action level require: exposure monitoring, medical surveillance, and medical removal The basic Federal Law governing waste disposal is known as: RCRA THE NLLAP for laboratories was established by EPA An XRF analyzer works by exposing a paint surface to radiation emitted from a seated source inside the instrument. The source of this radiation is generally known as cobalt or cadmium Title X was issued in 1992 by HUD? Any certified lead inspector is VERY careful when handling an XRF analyzer. Great care should be taken not to ________ due to the fact that the instrument contains a verified source of radioactive material. All of the above How often should a wipe test be taken on the surface of the XRF and analyzed for radioactive levels Every 3 years?